GLA - IAD

£248 Find Cheap Flights from Glasgow to Washington Dulles Airport – 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 Glasgow to Washington, D.C. departing on 8/9. 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, 0 bags

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Everything you should know

Cheapest return fare
£391
Typical prices: £516-£633
Icelandair
Fri 16/10Sun 1/11
GLA - IAD • 1 stop
Cheapest one-way flight
£248
Multiple Airlines
Tue 8/9
GLA - IAD • 3 stops
Top airlines
Cheapest • from £391 (return)
Best reviews • 7.3 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
Not available
There are currently no direct flights between Glasgow and Washington, D.C.. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
Top stopover airports
Cheapest • Avg £620 (return)
Shortest trip • 10h 26m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 33% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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 Washington, D.C.!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Glasgow to Washington, D.C. (GLA-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Glasgow to Washington, D.C. 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 to Washington, D.C.

Fri, 16 Oct - Sun, 1 Nov
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
19:40 - 09:55
IAD
-
GLA
9h 15m
1 stop
£391Icelandair
Sat, 29 Aug - Wed, 16 Sep
Icelandair Logo
14:20 - 22:15
GLA
-
IAD
12h 55m
1 stop
Icelandair Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
£421Icelandair
Thu, 27 Aug - Wed, 16 Sep
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
£421Icelandair
Thu, 27 Aug - Tue, 15 Sep
Multiple Airlines Logo
21:40 - 10:45
GLA
-
IAD
42h 05m
2 stops
Multiple Airlines Logo
23:20 - 13:25
IAD
-
GLA
9h 05m
1 stop
£455Multiple Airlines
Thu, 27 Aug - Mon, 14 Sep
Multiple Airlines Logo
21:40 - 10:45
GLA
-
IAD
42h 05m
2 stops
Multiple Airlines Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
£458Multiple Airlines
Fri, 28 Aug - Wed, 16 Sep
Multiple Airlines Logo
07:25 - 10:45
GLA
-
IAD
32h 20m
2 stops
Multiple Airlines Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
£473Multiple Airlines
Sun, 30 Aug - Sat, 12 Sep
British Airways Logo
10:10 - 20:20
GLA
-
IAD
15h 10m
1 stop
British Airways Logo
22:25 - 17:00
IAD
-
GLA
13h 35m
1 stop
£503British Airways
Mon, 31 Aug - Wed, 16 Sep
British Airways Logo
10:45 - 17:25
GLA
-
IAD
11h 40m
1 stop
British Airways Logo
21:30 - 15:35
IAD
-
GLA
13h 05m
1 stop
£503British Airways
Thu, 3 Sep - Sun, 13 Sep
Aer Lingus Logo
08:35 - 15:45
GLA
-
IAD
12h 10m
1 stop
Aer Lingus Logo
17:15 - 12:50
IAD
-
GLA
14h 35m
1 stop
£535Aer Lingus
Thu, 3 Sep - Mon, 21 Sep
Aer Lingus Logo
09:40 - 15:45
GLA
-
IAD
11h 05m
1 stop
Aer Lingus Logo
17:15 - 08:05
IAD
-
GLA
9h 50m
1 stop
£540Aer Lingus
Booking Insights

KAYAK’s insights & trends for Glasgow to Washington, D.C. flights

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

How much is a return flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl 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 Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport departing in October.

Flight prices are below average for this route right now.

Flights to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport usually cost between £630 and £790 in October.
The lowest price found in the past 5 days was £391 on Icelandair (16 Oct–1 Nov).

What is the cheapest month to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport is February, where tickets cost £427 (return) on average. On the other hand, the most expensive months are July and April, where the average cost of round-trip tickets is £808 and £787 respectively.

How far in advance should I book a flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know - Cheap tickets from Glasgow to Washington Dulles Airport

Low season

February

Cheapest flight

£248
Best time to beat the crowds (34% less expensive on average)
Most popular time to fly (11% more expensive on average)
Flight from Glasgow to Washington Dulles Airport

When to book flights from Glasgow to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Glasgow to Washington, D.C. 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 to Washington Dulles Airport flights

  • What is the cheapest flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

    In the last 5 days, the lowest price for a flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport was £248 for a one-way ticket and £391 for a return.

  • Which airports will I be using when flying from Glasgow to Washington Dulles Airport?

    Glasgow airport is called Glasgow Intl and the only airport in Washington Dulles Airport is Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Glasgow to Washington Dulles Airport?

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

  • Which airline alliances offer flights from Glasgow to Washington Dulles Airport?

    oneworld is the only airline alliance operating flights between Glasgow and Washington Dulles Airport.

  • Which is the best airline for flights from Glasgow to Washington, D.C., Aer Lingus or Icelandair?

    The two airlines most popular with KAYAK users for flights from Glasgow to Washington, D.C. are Aer Lingus and Icelandair. With an average price for the route of £700 and an overall rating of 7.3, Aer Lingus is the most popular choice. Icelandair is also a great choice for the route, with an average price of £585 and an overall rating of 7.0.

  • How does KAYAK find such low prices on flights from Glasgow to Washington Dulles 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 to Washington Dulles Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Glasgow 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 to Washington Dulles 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 Washington Dulles Airport with an airline and back to Glasgow with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Glasgow to Washington Dulles 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 Washington Dulles Airport from Glasgow up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines flying from Glasgow to Washington, D.C.

 
See real verified KAYAK customer reviews for airlines flying from Glasgow to Washington, D.C.. 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 to Washington, D.C.? 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.
7.3
Aer LingusOverall score based on 1682 reviews
7.2Comfort
8.1Crew
6.7Food
7.4Boarding
7.0Entertainment
Airline reviews

Caring & friendly crew. Most important: got us SAFELY to our destination!

8.0 ExcellentTania, May 2026
EDI - DUB
Read more Aer Lingus reviews

Caring & friendly crew. Most important: got us SAFELY to our destination!

One of the best flight experience I have had in along time. Would fly with them again.

I was not admitted to the flight!!! i need a refund for this.

The biking process was confusing and I was called for a seat assignment from I number I repeatedly though was spam, but the flight itself was great

I was so grateful for the kindness of the crew. They made a long trip very pleasant. Food was delicious. Many movie options

We were very satisfied and would fly with Aer Lingus again in the future.

The space between seats has reduced even further making it extremely uncomfortable. Couldn't even open the tray table properly or got compressed the moment the front guy reclined.

The Glasgow to Dublin route was very efficiently boarded, flight and landing and disembarkation were all super smooth. Dublin to JFK flight I was very pleasantly surprised overall. This was my first time on Aer Lingus and having already come off the short regional flight I was curious to know how the international flight would go. Aircraft was solid, entertainment options were better than expected, flight crew were experienced and operated like clockwork. Main entree left a little something to be desired but the snack was very tasty. Boarding and disembarkation again very smooth and pilots got us in earlier than expected. Would definitely fly again

during a very rough flight, I was forced to sit in a last row seat, fell asleep, and was forced to return to my assigned seat after the turbulence. The stewardess then used that seat to sleep.

First the price I paid was excellent, my flight was full, but my seat was roomy. The one downside to the experience was they had games on the entertainment console. The guy behind me poked at my head about half the flight. I hope they get rid of this feature.

The ticket was reserved in my name but not paid for by underpricer. Alaska airlines was unable to issue my ticket (could not connect the ticket with the PNR) due to an error with underpricer and I spent the better part of 2 hours at the ticket counter trying to rectify.

Terrible way of boarding in Reykjavik. Seats comfortable. Meal was good.

Unlike my prior three connections on this latest journey, this flight was fairly good. Only issue was boarding as it was once again one of those Icelandic issues of bunch up, walk in the rain to a bus that then has you run up three flights of stairs to board the plain. I was in Saga class but the bus scramble eliminates any chance you get on first and have to then find a place to squeeze your carry on into an overhead that the people in economy populate so they can grab it on their way out up front. But unlike other Icelandic flights this journey I did find more the of the business class like accommodations then the other air segments. This one found a pillow and blanket waiting for me and I actually received a small cup of sparkling wine and had a bottle of water in place. Service was attentive and the flight departed and arrived on time. Received a menu and had choices of a hot or cold meal. I choose the hot which was cod and it was good. Decent size portion, salad and a choice of dinner rolls. Beverage menu was a selection of wines, beer and soft drinks. Desert was a small Tiramisu. Overall the six hour flight was a good experience for the price point.

We paid for saga class, which is the business class for international. My seat was broken and did not recline and my monitor for in-flight entertainment was broken.

The flight itself was fine, even with a one-hour delay leaving on the Reykjavik tarmac (the lost time was made up during flight). Our experience at the Reykjavik airport on arrival was terrible due mostly to the one hour it took for passport control. Only two stations were open for our category, and the room was full with a huge crowd.

Was a bit surprised that Icelandair flies a domestically configured 757s on long-haul flights to Iceland (no lie-flat seats in business class).

The real reason why the flying experience with Icelandair ---was mediocre was because of not being able to enter DC airspace yesterday evening. This obviously was out of your control and do realize this is a safety issue. I did notice---that everything was being done to get us to Washington Dulles and we did arrive at Dulles SAFELY with just a 4 hour delay. Thank you!

Well! They got me as far as Iceland, let me wait around at the airport since my next flight had either left or canceled, finally gave me my luggage, and sent me to wait quite some time with seven other people for a ride to a hotel. At the hotel we got a chef's salad, a nice room for the night which unfortunately had feather pillows and duvet (allergies), a really great and spectacular buffet for breakfast (small but stunning), taxis back to the airport for the 9:30 Delta flight back to Minneapolis. The Delta flight has free food and liquor included which Icelandair does not. All in all, it falls far short of my worst ever United flight to SGN. Icelandair did change my reservation after my roommate tested positive for COVID and we canceled our plans to travel around Iceland, but the charges were fairly hefty. I had trouble contact Kayak's agents to discuss changing my reservations and finally contacted Icelandair who changed them. (I used their contact form and put in several requests for call backs.) Of course, they called just after I made the change with Icelandair.

Horrible. I was placed on standby for no reason and they would no allow me to fix the seating into the gate. Plane was hot. Entertainment was abysmal. Seats only take old USB or even older jack plugs — not lightening plugs like all modern phones. Food is pay as you go and awful. Seats were small and uncomfortable. I do not recommend Iceland air.

So Iceland Air is one step above Spirit Airlines. They do not feed you unless you pay for it or are in Saga Class. So, bring your food. They have a drink service, but it's in a large Dixie cup. Ask for the can, that is the only way you'll get a real drink. Also, we missed our connecting flight so they put us up in a flea-bag motel. Don't get me wrong, the staff was nice and friendly, however, there was no shower gel or shampoo in the hotel. We have to go to the corner store to pick some up. The room was not in great shape. Holes in the bathroom, a badly repaired ceiling in the room. The window was warn out. So, you get the just of how bad it was.

Because our ABZ-LHR flight was cancelled by BA for reasons they refuse to tell us--not weather--we did not make this flight and were booked on the following day. BA offered no assistance to us on the phone or in the airport, and we had to find a hotel at Heathrow on our own.

Horrible - flight was delayed by 6 hours - we boarded, were made to de-board due some technical fault; aircraft changed; special meals request on new flight - all went awry. Landed in Dulles airport; breezed thru immigration; as Business Class passengers or baggage was delivered almost 90 minutes after landing; air tags indicated the bags were just near the carousel but the unhelpful BA staff - Maria and Ghina refused to give any update - palming it off on some imaginary invisible “manager” despite air tags evidence showing it right there. So about 50-60 passengers waiting and getting infuriatingly impatient for their bags coz one container was not delivered. Finally after much argument by some other passengers Maria condescended to go to the “ramp” and within 5 minutes the baggage was delivered miraculously. Question is why couldn’t she have done it one hour earlier ? Poor poor experience once again on Business Class BA.

Seating space is appalling. Seats and all surrounding area in "Economy" is built for individuals shorter than 4' 10" and below 120 lbs. Ridiculous. While I'm not expecting fine dining, the food was the worst airplane food that I can recall.

A shout-out to the flight attendent, Lauren, who was the main person assisting me. She was amazing - perfect balance of bright, cheerful, engaging, yet formal

It was good. Couldn’t Check in online and select seats

Check in was not the greatest as had to talk to an agent to clarify things and then he transferred us to another agent who had difficulty processing my credit card as there was a system glitch and not a card error.

I was put into business class. Wow! My flight attendant was great! The food amazing’

Waited 3.25 hours in plane only to have the flight cancelled.

The worst, flight cancelled because the aircraft was not full. Heathrow ground crew totally not helpful and arrogant. Lady proposed us flight with 40min layover instead of direct and said it is our problem of course she was unable to do anything as everything was beyond her control she claimed. after calling on hotline another flight was booked. Flight was cancelled last second so we could not take direct from Zurich but we had to stay overnight in London.

They did not provide free WiFi, It could be purchased for, I think, around $25, This seemed excessive.

Everything you need to know for your flight from Glasgow to Washington, D.C.

Information on your arrival and departure airports