GLA - LHR

£60 Find Cheap Flights from Glasgow Airport to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Glasgow Intl to Heathrow departing on 25/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Glasgow to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Glasgow to London, as well as popular online travel agencies
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Cheap Flights from Glasgow Intl to Heathrow (GLA-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Glasgow Intl to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Glasgow Intl to Heathrow

Thu, 20 Nov - Mon, 22 Dec
British Airways Logo
11:30 - 13:05GLA-LHR
1h 35mdirect
British Airways Logo
06:25 - 07:50LHR-GLA
1h 25mdirect
£84British Airways
Find Deal
Sat, 29 Nov - Sat, 29 Nov
British Airways Logo
11:40 - 13:15GLA-LHR
1h 35mdirect
British Airways Logo
18:55 - 20:25LHR-GLA
1h 30mdirect
£86British Airways
Find Deal
Sun, 30 Nov - Sun, 7 Dec
British Airways Logo
05:55 - 07:30GLA-LHR
1h 35mdirect
British Airways Logo
06:55 - 08:20LHR-GLA
1h 25mdirect
£87British Airways
Find Deal
Wed, 26 Nov - Sun, 30 Nov
British Airways Logo
20:25 - 21:45GLA-LHR
1h 20mdirect
British Airways Logo
06:55 - 08:20LHR-GLA
1h 25mdirect
£88British Airways
Find Deal
Sun, 30 Nov - Sun, 7 Dec
British Airways Logo
05:55 - 07:30GLA-LHR
1h 35mdirect
British Airways Logo
06:55 - 08:20LHR-GLA
1h 25mdirect
£89British Airways
Find Deal
Sun, 30 Nov - Wed, 17 Dec
British Airways Logo
05:55 - 07:30GLA-LHR
1h 35mdirect
British Airways Logo
07:30 - 08:55LHR-GLA
1h 25mdirect
£89British Airways
Find Deal
Tue, 6 Jan - Mon, 12 Jan
British Airways Logo
10:50 - 12:25GLA-LHR
1h 35mdirect
British Airways Logo
06:25 - 07:50LHR-GLA
1h 25mdirect
£91British Airways
Find Deal
Fri, 21 Nov - Mon, 24 Nov
British Airways Logo
21:05 - 22:25GLA-LHR
1h 20mdirect
British Airways Logo
18:55 - 20:25LHR-GLA
1h 30mdirect
£92British Airways
Find Deal
Fri, 31 Oct - Sun, 2 Nov
British Airways Logo
17:45 - 19:05GLA-LHR
1h 20mdirect
British Airways Logo
05:55 - 07:20LHR-GLA
1h 25mdirect
£93British Airways
Find Deal
Fri, 12 Dec - Tue, 16 Dec
British Airways Logo
20:25 - 21:45GLA-LHR
1h 20mdirect
British Airways Logo
06:25 - 07:50LHR-GLA
1h 25mdirect
£94British Airways
Find Deal

Everything you should know

Our travellers' advice
AI-generated summary based on content written by travel experts
BA's economy seats offer comfort with 79 cm pitch.
Use Glasgow's priority security for a smooth departure.
Expert advice
Expert advice
Expert advice
Expert advice
Video guide: How to find cheap flights to Heathrow
Watch video
Watch video
Watch video
Watch video
When to book
5 weeks
in advance
Our data shows that travellers who book at least 5 weeks in advance save around 32% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 18% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£84
Overall average: £110
British Airways
Thu 20/11Mon 22/12
GLA - LHR • Direct
Cheapest direct flights
£84
Typical prices: £81-£134
British Airways
Tue 2/12Wed 17/12
GLA - LHR • Direct
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Booking Insights

KAYAK's insights & trends for Glasgow Intl to Heathrow flights

Get data-powered insights and trends into flights from Glasgow Intl to Heathrow to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to London Heathrow Airport
Find cheap flights to London Heathrow Airport

Planning a trip from Glasgow Intl to Heathrow? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What’s the cheapest day of the week to fly from Glasgow Airport to London Heathrow Airport?

The average price of all round-trip flights from Glasgow Intl Airport to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to London Heathrow Airport on a Friday and more expensive on a Saturday. On your return trip to Glasgow Airport, you should consider flying back on a Friday, and avoid Sundays for better deals.

What is the cheapest month to fly from Glasgow Intl Airport to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Glasgow Intl Airport to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Glasgow Intl Airport to London Heathrow Airport is January, where tickets cost £97 (return) on average. On the other hand, the most expensive months are June and August, where the average cost of round-trip tickets is £136 and £135 respectively.

How far in advance should I book a flight from Glasgow Intl Airport to London Heathrow Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Glasgow Intl Airport to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Glasgow Intl Airport to London Heathrow Airport, you should book around 5 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Expert advice

Expert advice for your flight from Glasgow Intl to Heathrow

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Finnair

Finnair's Wi-Fi is available on most flights, with 30 minutes free in Europe.


Finnair's Economy Comfort offers extra legroom for a small fee, enhancing comfort.

Read more about Finnairby Gabriel Leigh
British Airways

BA offers free cabin bags and avoids surprise fees, unlike budget carriers.


BA's economy seats are ergonomic leather with 79 cm pitch, offering comfort on short flights.

Airports
GLA

For a smooth departure, use Glasgow Airport's priority security, especially busy on Fridays and weekends. It's affordable and saves time.

Read more about GLAby Kirstie Pickering
LHR

For a quick trip to central London, take the Heathrow Express. It reaches Paddington in just 15 minutes. Book in advance for the best rates.

Read more about LHRby Kirstie Pickering
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on Finnair

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Kirstie Pickering

Kirstie Pickering

Expert on LHR and GLA

Kirstie Pickering

Kirstie Pickering

Aviation and business journalist Kirstie didn’t leave England until she was 18 years old, but has since travelled to over 20 countries including Japan, Canada, and Iceland. Her travel expertise lies in European city breaks, including how to find the best locally-owned hotels and restaurants and how to optimise the airport experience for your needs.

Read more

Good to know - Cheap tickets from Glasgow Airport to London Heathrow Airport

Low seasonFebruary
Cheapest flight£60
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (12% more expensive on average)
Flight from Glasgow Airport to London Heathrow Airport

When to book flights from Glasgow Intl to Heathrow

Are your dates flexible? Find out the best times to travel from Glasgow Intl to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Glasgow Airport to London Heathrow Airport flights

  • Is there public transport from Glasgow Central to Glasgow International Airport?

    First Glasgow operates the Glasgow Airport Express Service 500, the official bus that connects Glasgow Central to Glasgow International Airport in just under 15min. Glasgow Airport Express Service 500 operates 24h daily throughout the year, except on Christmas Day.

  • Are there services and facilities for disabled passengers at Glasgow International Airport?

    Glasgow International Airport has well-equipped parking lot for disabled travellers. The airport can arrange for special assistance in advance by calling on the airport's Special Assistance Office. Glasgow International Airport collaborates with various airlines to assist passengers for free and ensure their journey is less stressful.

  • Is there public transport from London Heathrow to downtown London?

    There are four transfer options from Heathrow Airport to central London, namely buses, Underground, train, and taxi. A one-way Heathrow Express ticket costs around £22, and the journey to Paddington Station in London takes about 15min. Heathrow Shuttles offer a lower door-to-door transfer option from the airport to various resorts in central London. All prices are fixed, and passengers don’t incur extra waiting times and luggage costs.

  • Where can you take a shower at London Heathrow?

    London Heathrow Airport has five lounges, where passengers can take a shower after a flight from Glasgow International Airport. The Elemis Travel Spa, formally known as British Airways Arrivals Lounge, offers shower facilities at the Arrivals Area, on the public side. The airport also offers unisex wheelchair-accessible shower and toilet facilities.

  • Are there cell phone charging areas at London Heathrow?

    London Heathrow ranks as the world’s most mobile-friendly airport. No airport matches its charging capability. LHR has over 3,000 power sockets evenly distributed throughout the terminals to make it easier and less stressful for local and international travellers to charge their devices. There is one charging socket for every two passengers at London Heathrow Airport.

  • Does Glasgow Airport has charging areas?

    Glasgow International Airport offers free mobile charging machines with adaptors for most phones. The designated charging areas is located at Dixons airside. Passengers can also charge their devices at any of the Surfbox internet stations in the Main Departure Lounge 4 Station. Alternatively, charge your device at outlets found around the airport.

  • Are there any left-luggage facilities available at London Heathrow Airport?

    If you find yourself in need of temporary storage for your luggage at London Heathrow, you can utilise the Left Luggage services available in all terminals of the airport. The cost for storing your baggage for a day is £22.50, and you have the option to make the payment when you collect your belongings.

  • Which flights can reduce my carbon footprint when flying from Glasgow to London Heathrow?

    If you want to reduce your carbon emissions when flying from Glasgow Airport (GLA) to London Heathrow (LHR), you can fly directly with British Airways reducing your carbon footprint by 74%. Alternatively, you can also fly with Aer Lingus with a stopover at Dublin Airport (DUB), reducing carbon emissions by 76%.

  • Which are the most cost-effective car parks at Glasgow Airport?

    For the most affordable rate, the Long-Stay Car Park at Glasgow Airport is the best option. For a 7-day period, the charges will come to roughly £110; much cheaper than comparing the other two car parks such as the Fast Track parking for £260 or the Short-Stay Car Park for around £315 for the same period. The Long-Stay Car Park has a free 5-minute shuttle bus to the terminal.

  • Where can I find car hire at London Heathrow Airport?

    Upon exiting the Baggage Reclaim area, you can locate the car hire desks in the Arrivals Hall of Terminals 2, 3, 4 & 5. You will find well-known car hire agencies such as Hertz, Alamo, Enterprise and Budget, amongst others. Shuttle buses can take you from the terminals to the car rental collection areas.

  • What is the cheapest flight from Glasgow Intl Airport to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Glasgow Intl Airport to London Heathrow Airport was £81 for a one-way ticket and £113 for a return.

  • Which airports will I be using when flying from Glasgow Airport to London Heathrow Airport?

    When flying out of Glasgow Airport you will be using Glasgow Intl. You will be landing at London Heathrow Airport, also known as London Heathrow.

  • Which aircraft models fly most regularly from Glasgow Airport to London Heathrow Airport?

    The Airbus A320-100/200 is the aircraft model that flies most regularly on the Glasgow Airport to London Heathrow Airport flight route.

  • Which airline alliances offer flights from Glasgow Airport to London Heathrow Airport?

    SkyTeam, and oneworld are the airline alliances operating flights between Glasgow Airport and London Heathrow Airport, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Glasgow Airport to London Heathrow Airport?

    There are direct flights from Glasgow Airport to London Heathrow Airport on a daily basis.

  • Which is the best airline for flights from Glasgow to London, KLM or easyJet?

    The two airlines most popular with KAYAK users for flights from Glasgow to London are KLM and easyJet. With an average price for the route of £220 and an overall rating of 7.7, KLM is the most popular choice. easyJet is also a great choice for the route, with an average price of £77 and an overall rating of 6.9.

  • How does KAYAK find such low prices on flights from Glasgow Airport to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Glasgow Airport to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Glasgow Airport to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Glasgow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Glasgow Airport to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Glasgow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Glasgow Airport to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Glasgow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Glasgow Intl Airport to London Heathrow Airport

  • Looking for a cheap flight from London Heathrow Airport to Glasgow Airport? 25% of our users found flights on this route for £84 or less one-way and £408 or less round-trip.
  • There are plenty of fast, direct and non-stop flights from Glasgow International Airport (GLA) to London Heathrow (LHR). British Airways is the main carrier between Glasgow International Airport and London Heathrow.
  • The free Wi-Fi access at Glasgow International Airport lasts for up to 60min. However, passengers who wish to continue to access the internet beyond the free session can pay for an extra block of 180min at around £5.
  • London Heathrow Airport has approved pet relief areas in all terminals, including the Arrival Terminal. However, passengers planning to fly with their pets must first register with the Pet Travel Scheme to be allowed into London Heathrow.
  • Banking and ATM services are available at London Heathrow. Cash machines and ATMs are located post-security at the Departure Lounge.
  • Glasgow Airport offers a Left Luggage Facility, where passengers can store their bags for up to 3 months. The Left Baggage Office is located in the Check-in Hall. It costs around £8.50 to store a standard size item for up to 3h at Glasgow Airport, or around £12.50 for the entire day.
  • Glasgow Airport has coin-operated photo booths where you can take quick photos ahead of your flight. One photo booth is located near Car Park 2, while the rest are just before the Security Screening area.
  • Water fountains, supermarkets, and eateries are available at Glasgow Airport. Marks and Spencer, located after Baggage Claim, is perfect for shopping for any last-minute snacks ahead of a flight. The Tesco Supermarket, located near the entrance of the Main Terminal, offers a range of snacks or groceries that you may need ahead of a flight.
  • At Glasgow Airport (GLA), you can bypass the security lines by booking Priority Security for around £7 online. Passengers who have reserved Priority, will receive preferential treatment, allowing them to skip ahead of the general queue.
  • If you fancy putting your feet up before your flight, why not check out the comfortable Airport Lounges available at Glasgow Airport? You can pre-book the UpperDeck Lounge for around £29 per person or the Lomond Lounge for about £35 per person.

Prefer to fly direct from Glasgow Airport to London Heathrow Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Glasgow Intl to London Heathrow.
Find which airlines fly direct from Glasgow Intl Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Glasgow Intl to London Heathrow

Monday

British Airways

British Airways

Tuesday

British Airways

British Airways

Wednesday

British Airways

British Airways

Thursday

British Airways

British Airways

Friday

British Airways

British Airways

Saturday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

Direct returns

London Heathrow to Glasgow Intl

Monday

British Airways

British Airways

Tuesday

British Airways

British Airways

Wednesday

British Airways

British Airways

Thursday

British Airways

British Airways

Friday

British Airways

British Airways

Saturday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

Reviews of the top 3 airlines flying from Glasgow Intl to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Glasgow to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Glasgow Intl to Heathrow? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.7
KLMOverall score based on 1404 reviews
7.6Comfort
7.3Food
7.8Boarding
8.4Crew
7.1Entertainment
Airline reviews

At the airport, terrible, I do not want to even remember it. It was too humiliating for a business class passenger.

2.0 MediocreElizabeth, Oct 2025CDG - AMS
Read more KLM reviews

At the airport, terrible, I do not want to even remember it. It was too humiliating for a business class passenger.

They forgot to serve food and the crew was very unfriendly. Never experienced such a bad KLM flight. Usually fly from Toronto. New York was different.

Couldn’t get boarding pass in SLC even with help from a redcoat, so had to find a desk in AMS to get boarding pass. Technical problems so not sure why. Very inconvenient. The KLM app is not as user friendly as most apps. Also had to wait almost an hour on the tarmac for a fuel truck, which caused us to miss a connecting bus in LUX.

Over 1 Hr delay. No APU so no AC on ground. Plane was hot during boarding and then they closed the doors over 20 minutes before engine start so interior of plane was steamy hot and stuffy. Could have been helped by opening doors until ready to depart.

Short flight so it was okay. Nice crew, all very pleasant and professional. We were near the back in row 27 so just as we got our drinks, we started our descent so had to drink very quickly!

KLM remains a quality flag carrier airline which maintains its standards whilst all their competitors are lowering theirs.

Our first flight was delayed so we missed our connecting flight. However it was easy to book a later flight on their app.

The service was great. However the lounge only gets passing grade

I appreciate that KLM was proactive in informing me of the 2 hour delay which enabled me to replan my travel. It was a bit stressful not knowing whether my connection from Montreal to Ottawa was happening. But the ground and air crew did a good job at comforting and assuring me.

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

Nice to fly out of Orly smaller easier to navigate airport. Being able to receive boarding pass well in advance of trip was comforting to know all travel was in order.

Liked. The check-in was pretty quick as they had 5 desks working.

Generally a good experience except for boarding in Naples on the flight back to London. We were all standing around for at least 20 minutes maybe longer as there was no seating.

Seats, WC,sizes for today's generation adults, and if technical problems arise a complimentary coffee, water nice for waiting one hours, the rest is perfect (pilot and cabin crew)

Boarding was smooth and quick. Flight departed on time. Equally evacuation upon landing was from both the front door and the back doors. Bags were on the conveyor belts before I got there. Excellent service.

The terminals are far away, be prepared to walk. Also, You climb stairs to the plane since there are no aero bridges. Boarding was haphazard not in multiple groups, so stand in line early. Hard to find place to stow cabin baggage if you are behind in the line. You can purchase food on the plane. There are vegetarian options.

First -the flight was late - more than two hours Second, not even a bottle of water at bord to give for free for this inconvenience. Three-at landing ive realised that I've lost one of my ear plug headphones and been very desperate to find it with my torch, the crew not helped at all more than that they asked to leave the plane as everyone did before me. This was the last flight from that day- extra 5 min for me with a bit of help from crew - would have bring a super review. I guess this days humanity disappeared!

I got caught using a stolen credit card number. Michelle Siziba is my name Nice to London Gatwick on 7/31/25.

Not happy with price of luggage or that we had no choice but to pay whether cabin or hold. I didn't book seats but this is unnecessary extra money along with suitcase

We accidentally purchased twice the bags we needed. Our fault, but the ticket was not clear to us, and it asked us to purchase bags at checkin. When we notified them to get credit back at the airport, they said to contact customer service. We flew the flight and then contracted customer service. They said no credits after the flight has flown. Not customer service oriented at all. They know we didn’t check that many bags and kept our money for a service they did not provide. Be aware and very careful of what you are purchasing from them because they will not make it right if there is an error.

It is a wonderful airline. The cabin crews were friendly and the food as well as the service the were excellent.

Good but could be better for comfort and entertainment aspect

Overall it was not a pleasant experience, I was given the middle seat even though I asked for a change they didn’t honor

No WiFi working on either flight. No leg room at all, the seat in front of me left dents in my knees. If I put the tray down, it was so low it was propped up by my knees. (I’m only 182.9 cm) I’m usually cool on planes, but the planes were both hot during taxi and take-off.

Very bad.i will never book British flights for future

Moved me away from my family and refused to fix it.

I noticed the crew was so much nicer and friendlier. It would be nice if British Airways would serve soft drinks during the flight

Must have had an elderly tour on the trip. Plane boarded via tarmac and had both front and tail stairway access. We waited about ten minutes at the rear entrance while elderly folks entered the forward access and walked all the way back to last rows of the aircraft! We could not access the row until every one of them finally reached the final rows. There should have been an agent directing folks Forward and Aft based on seat row. It was comical.

The airport experience at check-in, just to drop a bag, was horrible. The were two agents working, two watching. We stood in line for just short of one hour. I asked the agent if this were normal and he said, "Well, yes. Just two computer terminals." No apologies. BA needs to fix this ASAP. Meanwhile, I've moved BA to the very bottom of my booking list.

Good shuttle to Europe. Face check boarding needs overhaul. 2 stations for 200 people and still with passport check. Why have both? Why is this now slower than 5 years ago?

Everything you need to know for your flight from Glasgow Intl to Heathrow

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