£250 Find Cheap Flights from Houston to London – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Houston to Heathrow departing on 21/10. 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.
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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
£619
Typical prices: £437-£691
Virgin Atlantic
Mon 21/9Tue 6/10
HOU - LHR • 1 stop
Cheapest direct flights
£627
Typical prices: £479-£679
Finnair
Mon 21/9Tue 6/10
IAH - LHR • Direct
Advice from real travellers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
For United, arrive early at Houston to keep check-in smooth and less stressful.
At Heathrow, follow signage closely; exits and Wi-Fi can be less convenient.
Expert advice
Expert advice
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Expert advice
Expert advice
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Top airlines
Cheapest • from £619 (return)
Best reviews • 7.5 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
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Direct flights
You can fly direct with British Airways and United Airlines. Average duration is 9h 17m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top routes
Cheapest
Most popular
Insights
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Avoid delays
Most punctual • 84% on-time
Best time • Fewest delays
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When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 15% compared to booking last minute.
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Flight Deals

Cheap Flights from Houston to Heathrow

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Houston 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 Houston to Heathrow

Mon, 21 Sep - Tue, 6 Oct
Virgin Atlantic Logo
14:25 - 07:15
HOU
-
LHR
10h 50m
1 stop
Virgin Atlantic Logo
09:20 - 16:33
LHR
-
HOU
13h 13m
1 stop
£619Virgin Atlantic
Tue, 22 Sep - Thu, 1 Oct
Multiple Airlines Logo
14:18 - 14:15
IAH
-
LHR
17h 57m
2 stops
Multiple Airlines Logo
14:10 - 22:40
LHR
-
IAH
14h 30m
1 stop
£627Multiple Airlines
Mon, 21 Sep - Tue, 6 Oct
Finnair Logo
15:30 - 06:40
IAH
-
LHR
9h 10mdirect
Finnair Logo
14:45 - 19:20
LHR
-
IAH
10h 35mdirect
£627Finnair
Tue, 17 Nov - Mon, 23 Nov
Virgin Atlantic Logo
10:25 - 09:00
HOU
-
LHR
16h 35m
1 stop
Virgin Atlantic Logo
08:55 - 16:35
LHR
-
HOU
13h 40m
1 stop
£632Virgin Atlantic
Tue, 27 Oct - Fri, 30 Oct
United Airlines Logo
18:10 - 11:50
IAH
-
LHR
36h 40m
1 stop
United Airlines Logo
06:35 - 17:20
LHR
-
IAH
15h 45m
1 stop
£645United Airlines
Mon, 23 Nov - Thu, 26 Nov
United Airlines Logo
18:10 - 11:50
IAH
-
LHR
35h 40m
1 stop
United Airlines Logo
06:35 - 16:20
LHR
-
IAH
15h 45m
1 stop
£645United Airlines
Tue, 20 Oct - Fri, 30 Oct
British Airways Logo
21:10 - 12:25
IAH
-
LHR
9h 15mdirect
British Airways Logo
15:25 - 20:55
LHR
-
IAH
10h 30mdirect
£655British Airways
Wed, 7 Oct - Wed, 14 Oct
British Airways Logo
15:30 - 06:40
IAH
-
LHR
9h 10mdirect
British Airways Logo
09:10 - 13:25
LHR
-
IAH
10h 15mdirect
£655British Airways
Sun, 4 Oct - Wed, 28 Oct
Lufthansa Logo
16:25 - 07:45
IAH
-
LHR
9h 20mdirect
Lufthansa Logo
06:30 - 15:00
LHR
-
IAH
13h 30m
1 stop
£662Lufthansa
Sun, 4 Oct - Wed, 28 Oct
Lufthansa Logo
16:25 - 07:45
IAH
-
LHR
9h 20mdirect
Lufthansa Logo
06:30 - 15:00
LHR
-
IAH
13h 30m
1 stop
£663Lufthansa
Booking Insights

KAYAK’s insights & trends for Houston to Heathrow flights

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

How much is a return flight from Houston to London Heathrow Airport?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Houston to London Heathrow Airport departing in September.

Flight prices are typical for this route right now.

Flights to London Heathrow Airport from Houston usually cost between £550 and £974 in September.
The lowest price found in the past 5 days was £619 on Virgin Atlantic (21 Sept–6 Oct).

What is the cheapest Houston to London Heathrow Airport flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Houston to London Heathrow Airport costs £275 on the route between Houston George Bush Intcntl Airport (IAH) and London Heathrow Airport (LHR). It is also the most popular route.

What’s the cheapest day of the week to fly from Houston to London?

The average price of all round-trip flights from Houston 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 on a Monday and more expensive on a Saturday. On your return trip to Houston, you should consider flying back on a Thursday, and avoid Mondays for better deals.

What is the cheapest month to fly from Houston 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 Houston 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 Houston to London Heathrow Airport is October, where tickets cost £521 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £1,045 and £924 respectively.

How far in advance should I book a flight from Houston 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 Houston 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 Houston to London Heathrow Airport, you should book around 2 weeks before departure, which saves you about 15% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Expert advice

Expert advice for your flight from Houston to Heathrow

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Tara Craig

Tara Craig

Expert on Austrian Airlines

Tara Craig has been a journalist for 17 years, focusing on aviation for more than a decade. She has covered everything from how airports accommodate disabled passengers to the emergence of electric air taxis. Tara is constantly travelling and finds it hard to stop noticing things – good and bad – about the air travel experience.

Gabriel Leigh

Gabriel Leigh

Expert on Finnair

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.

Duncan Madden

Duncan Madden

Expert on British Airways

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.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has travelled to more than 50 countries across six continents.

Good to know - Cheap tickets from Houston to London

Cheapest flight

£250
Flight from Houston George Bush Airport to London Heathrow Airport

When to book flights from Houston to Heathrow

Are your dates flexible? Find out the best times to travel from Houston 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.

Flights from Houston to Heathrow: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Houston to Heathrow 
AndrewFlew with United Airlines
IAH
-
LHR
Jul 2025
United really looked after me, just make sure you arrive good and early to ensure an unpressurised check in
Verified travelerFlew with British Airways
IAH
-
LHR
May 2025
Heathrow has good signage. There are lots of people going to the same terminal waiting for the train. Be patient and when you have connecting flights choose a 2-hour layover.
JamesFlew with American Airlines
IAH
-
LHR
Apr 2025
Try to avoid Heathrow! Not the most convenient to get into London unless you have a driver. Also, Heathrow needs better signs on where to go to exit and better wifi for foreign travelers.

FAQs for booking Houston to London flights

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

    In the last 5 days, the lowest price for a flight from Houston to London Heathrow Airport was £250 for a one-way ticket and £619 for a return.

  • Which airports will I be using when flying from Houston to London?

    Houston has 2 major airports: Houston Hobby and Houston George Bush Intcntl. London Heathrow is the only airport in London. You’ll usually find the cheapest deals if you fly from Houston George Bush Airport.

  • Which aircraft models fly most regularly from Houston to London?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Houston to London?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Houston and London, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Houston to London?

    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 Houston to London.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Houston 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 Houston to London?

    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 with an airline and back to Houston with another airline.

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

    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 from Houston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Houston to London?

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

Direct departures

Houston to London Heathrow

Monday

British Airways,United Airlines

British Airways,United Airlines

Tuesday

British Airways,United Airlines

British Airways,United Airlines

Wednesday

British Airways,United Airlines

British Airways,United Airlines

Thursday

British Airways,United Airlines

British Airways,United Airlines

Friday

British Airways,United Airlines

British Airways,United Airlines

Saturday

British Airways,United Airlines

British Airways,United Airlines

Sunday

British Airways,United Airlines

British Airways,United Airlines

See more direct flights

Direct returns

London Heathrow to Houston

Monday

British Airways,United Airlines

British Airways,United Airlines

Tuesday

British Airways,United Airlines

British Airways,United Airlines

Wednesday

British Airways,United Airlines

British Airways,United Airlines

Thursday

British Airways,United Airlines

British Airways,United Airlines

Friday

Aer Lingus,British Airways,United Airlines

Aer Lingus,British Airways, +1 more

Saturday

British Airways,United Airlines

British Airways,United Airlines

Sunday

British Airways,United Airlines

British Airways,United Airlines

See more direct flights

Reviews of the top 4 airlines flying from Houston to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Houston 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 Houston 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.
7.5
Virgin AtlanticOverall score based on 694 reviews
8.1Crew
7.3Comfort
6.9Food
7.5Entertainment
7.7Boarding
Airline reviews

Great staff great experience, made a 2 hour delay very bearable

10.0 ExcellentAnonymous, Oct 2025
LAX - LHR
Read more Virgin Atlantic reviews

Great staff great experience, made a 2 hour delay very bearable

I was my pleasure to fly virgin on my birthday for my first solo trip ever 🫶🏼

Overall, flight was excellent but check in was very slow for Premium Economy. Economy queue was shorter but we weren't allowed to use it.

Good overall. Cannot fault the airlines. I have had better entertainment systems before ie ice in Emirates but it was not too bad. Food was decent and staff were friendly.

Miami airport needs more thorough signage. It was a long walk from my transport point to the check in desk,

Flight took off an hour late. Had to stay on the tarmac for half an hour after landing. Both annoying.

The crew was very good. However, the equipment was a bit dated. Some of the electronics were not working. To top it, three bags didn’t arrive with me. Two of them were delivered a day later. I’m still waiting for the third bag, I was so looking forward to this virgin Atlantic flight, but, I am disappointed.

My only complaint is that the pocket in front of me was ripped and my things, like iPad and airline magazines, kept slipping to the floor.

Flight delayed yet again. Crew apathetic and unhelpful re affect on connecting flight.

I think Virgin is one of the best flying experiences, especially from/to the UK. The staff are so helpful and fun, the food is good, seats comfortable, goof entertainment and great value. Check in and boarding is pretty pain free. I also find that the other passengers are generally so kind and considerate than when I've flown other airlines.

I was very disappointed with my experience at the United Airlines baggage check. The representative was rude and unhelpful. I was required to remove approximately 1.5 pounds from my two checked bags, even though it was a very small amount over the limit. The interaction was unnecessarily unpleasant, and I expected much better customer service. I hope United will review this incident and provide additional customer service training to its staff.

Cree was organized and pleasant. Plane had good seating but as it’s a shuttle toilets hadn’t been thoroughly cleaned (eg. bins too full)

Some flight attendants were great others were cranky. Seats were very tight and sitting on an aisle was very hard as the carts and people walking constantly bumped shoulder and arm.

Although the flight was delayed the crew and the flight itself were very good. Couldn't fault anything and after the disappointment of being abandoned in the US by BA it was a welcome relief to travel with United

Liked fold flat bed. Didn’t like having no window. Didn’t like poor choice of food and being served dinner very late, hours after take off of a 7:40pm flight. Servers not friendly. Food horrible in business class.

The flight was heavily booked so boarding was a lengthy process. The FA’s were rather abrupt during this process but became more gracious as the flight went on. Breakfast (puffed pastry and chewy sausage) was pretty horrible but there was fruit and yogurt which they didn’t mess up. Overall it was fine.

Fight was delayed an hour due to operational issues ,then further delayed due to ground control for a total of about 1.30 hours. Salad was completely frozen and flatware was so cold you could barely handle it. Crew was friendly and professional and the flight was smooth. The aircraft was clean and well-serviced.

Waited for our plane from HNL so we didn't miss connection. AMAZING Service for that, then really clean plane. Nice airline attendants.

The Polaris experience is top notch. From departure lounge to arrival lounge. Everything was top notch. One of the best first class experience

United domestic flight was better than international flight. There was no switch to control Ac In international united flight. Food was also average,

Flights were delayed and due to a checked hand luggage bag by an overzealous gate agent in Berlin I missed my ground connection costing me another £80. Food was cold and bland, I honestly expect better from a national carrier operating out of one of their major hubs.

A bit more space? Not practical, I know. I felt squished in but part of that could have been the man sitting next to me.

It was my first experience in business class. It was everything I expected and more. Service was impeccable, food was delicious and I felt rested once I arrived to London

Missed our flight to London and we were put on coach seats to Munich.

The process overall was pretty seamless, and the crew were very friendly (especially Michael). Considering we booked expecting Lufthansa and the flight was operated by United, it was still a very good service and journey overall. The in-flight entertainment was great, with lots of quality options. One slight negative was that I had selected a vegetarian meal prior to flying, but received a vegan one. I think there should be more dietary options as it meant I missed out on some food that I would have preferred (and it seemed like the standard meals and snacks had a vegetarian option anyway). There was also a group of people who were moving around a lot and being generally disruptive at the quietest part of the flight, when the lights were off and most people were sleeping. I would have appreciated staff stepping in to encourage them to be mindful of others). Towards the end of the flight (which was very early in the morning in both time zones), the lights suddenly came on and breakfast was served. In my opinion, this was too early, and everyone was rudely awoken from sleep. After breakfast was cleared away, the lights went off again for about 45 minutes, allowing people to sleep some more. Then the lights came on again for landing. It seems like if they had served breakfast later, the lights on-lights off-lights on shenanigans could have been avoided, and people could have slept longer (and staff could have rested longer too).

Overall good experience, just the delay of 2.5 hrs was a bummer.

I was disgusted at the fact when it came to checking into the flight it appeared there was no space for me on the plane due to the fact United airlines/Lufthansa had overbooked the flight. This was ridiculous considering I had paid to be on the flight and got to the airport gate early to make sure I was on time. Luckily my partner had asked the gentleman on the desk if someone didn’t turn up could I have their seat as we did not want to have to wait til the next day to fly home. This then encouraged them to go and actually check the plane, where they found there was a seat available. Thank god my partner had suggested this otherwise we would have had to fly back the following day and have to stop over in Washington. As we got onto the plane and finally found our seats (which were not together either), other passengers believed it was because we were late for the flight which then made it even more of an uncomfortable flight. This whole experience made me so anxious and was very upsetting which then effected the flight home to London. It was unacceptable! It should not have happened in the first place and I will not be flying with United airlines again, and will be encouraging others not to as well.

I should've been inform it wasn't Lufthansa but United Airlines.

They canceled the flight we booked several weeks ago and Lufthansa rebooked us on a very bad connection through Frankfort but never told us…the helpful United people at the airport figured out what had happened and then rebooked us on a direct United flight, like our original booking, only overnight instead of daytime. Why did Lufthansa not mention that they had rebooked us, and why did they add a stopover needlessly?

Everything went very smoothly. Only issue, my movie screen was difficult to use. Unresponsive to touch commands. The crew was EXCELLENT 👍 Very helpful and accommodating. Upon arrival in London, the process was seemless. Highly recommend!

As I remember my last BA flight - mediocre at best. Uncomfortable with poor and minimal food and drinks. Screen broke shortly into flight so didn’t have access to entertainment either.

Nice aircraft. Good crew. Delayed departure from Houston, but arrived on time in London. Main thing I don’t like about flying BA is having to transit through security in London Heathrow. A major pain!

Good service, food and comfort in World Traveller Plus. Entertainment was poor - no wifi on the way out and barely working on the way back. Not a great choice of entertainment on the seat back tv.

Super tight economy class. My knees were hitting the back of seat in front of me (I'm only 5'6"). My small backpack (sized according to their required dimensions) would not fit under the seat in front of me because there is a box (is that the life jacket?) in the way. Over all, extremely uncomfortable. I forgive the tasteless food, but the tight seating was torture

Horrible experience. They lost my luggage and still can’t find it. The plane ride was below average. Food also terrible compared to other airlines.

The team/crew were excellent. The USB ports were not working/broken, I tried multiple ports and also asked a staff member to check other ports on the flight, she confirmed they were not working!

It was good but my seat was terrible for a long trip, too small

Seat layout, flight/club attendant service, food variety and quality could have been better. Business class Standard is visibly low compared with 6 other airlines that we have traveled for the past two years.

The flight itself was great… the only problem for me was the flight delayed both departure & connection.. instead of the 26 hrs (long enough) was an additional 4 hours more that took an aim to my body..other than that I’m pleased.

Had to cancel flight due to war in the Middle East, no refund, and insurance wouldn’t cover it!

Everything you need to know for your flight from Houston to Heathrow

Information on your arrival and departure airports