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Cheap flights from Glasgow Intl Airport to Washington, D.C. from £250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to Washington, D.C. departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Glasgow Intl Airport to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:20 - 18:30
GLA
-
IAD
15h 10m
2 stops
Multiple Airlines Logo
19:40 - 14:45
IAD
-
GLA
14h 05m
2 stops
£458Multiple Airlines
Thu, 19 Feb - Wed, 4 Mar
Icelandair Logo
11:35 - 18:30
GLA
-
IAD
11h 55m
1 stop
Icelandair Logo
19:40 - 09:55
IAD
-
GLA
9h 15m
1 stop
£482Icelandair
Thu, 19 Feb - Wed, 4 Mar
Icelandair Logo
12:35 - 19:30
GLA
-
IAD
10h 55m
1 stop
Icelandair Logo
20:40 - 09:55
IAD
-
GLA
9h 15m
1 stop
£487Icelandair
Mon, 9 Mar - Tue, 24 Mar
Multiple Airlines Logo
07:45 - 19:30
GLA
-
IAD
15h 45m
2 stops
Multiple Airlines Logo
20:30 - 21:15
IAD
-
GLA
19h 45m
2 stops
£496Multiple Airlines
Wed, 25 Mar - Wed, 1 Apr
Multiple Airlines Logo
20:35 - 22:53
GLA
-
BWI
31h 18m
2 stops
Multiple Airlines Logo
20:40 - 09:55
BWI
-
GLA
9h 15m
1 stop
£499Multiple Airlines
Wed, 25 Feb - Tue, 10 Mar
British Airways Logo
07:00 - 16:45
GLA
-
DCA
14h 45m
2 stops
British Airways Logo
16:43 - 10:45
DCA
-
GLA
13h 02m
2 stops
£702British Airways
Tue, 5 May - Tue, 12 May
KLM Logo
13:25 - 23:43
GLA
-
DCA
15h 18m
2 stops
KLM Logo
18:30 - 12:45
DCA
-
GLA
14h 15m
2 stops
£709KLM
Wed, 25 Feb - Wed, 11 Mar
American Airlines Logo
06:35 - 16:25
GLA
-
DCA
14h 50m
2 stops
American Airlines Logo
17:00 - 12:50
DCA
-
GLA
15h 50m
2 stops
£712American Airlines
Mon, 23 Feb - Wed, 11 Mar
British Airways Logo
08:55 - 18:48
GLA
-
DCA
13h 53m
2 stops
British Airways Logo
16:28 - 09:50
DCA
-
GLA
13h 22m
2 stops
£729British Airways
Mon, 9 Mar - Tue, 24 Mar
Iberia Logo
11:40 - 16:37
GLA
-
DCA
33h 57m
2 stops
Iberia Logo
17:00 - 16:55
DCA
-
GLA
19h 55m
2 stops
£755Iberia
Sun, 1 Mar - Tue, 10 Mar

Aer Lingus flights from Glasgow Intl Airport to Washington, D.C.

Our best Aer Lingus deals on Glasgow Intl Airport to Washington, D.C. flight tickets
Aer Lingus
23 Feb
GLA08:20Glasgow Intl
12h 15m
1 stop
IAD15:35Washington, D.C. Dulles Intl
15 Mar
IAD18:05Washington, D.C. Dulles Intl
9h 45m
1 stop
GLA07:50Glasgow Intl
£612
Aer Lingus
23 Feb
GLA08:20Glasgow Intl
12h 15m
1 stop
IAD15:35Washington, D.C. Dulles Intl
14 Mar
IAD18:05Washington, D.C. Dulles Intl
9h 45m
1 stop
GLA07:50Glasgow Intl
£651
Aer Lingus
7 Mar
GLA08:20Glasgow Intl
16h 10m
1 stop
IAD19:30Washington, D.C. Dulles Intl
21 Mar
IAD18:05Washington, D.C. Dulles Intl
9h 45m
1 stop
GLA07:50Glasgow Intl
£679

Icelandair flights from Glasgow Intl Airport to Washington, D.C.

Our best Icelandair deals on Glasgow Intl Airport to Washington, D.C. flight tickets
Icelandair
19 Feb
GLA11:35Glasgow Intl
11h 55m
1 stop
IAD18:30Washington, D.C. Dulles Intl
4 Mar
IAD19:40Washington, D.C. Dulles Intl
9h 15m
1 stop
GLA09:55Glasgow Intl
£482
Icelandair
9 Mar
GLA12:35Glasgow Intl
10h 55m
1 stop
IAD19:30Washington, D.C. Dulles Intl
24 Mar
IAD20:40Washington, D.C. Dulles Intl
9h 15m
1 stop
GLA09:55Glasgow Intl
£487
Icelandair
23 Feb
GLA12:35Glasgow Intl
10h 55m
1 stop
IAD18:30Washington, D.C. Dulles Intl
10 Mar
IAD20:40Washington, D.C. Dulles Intl
9h 15m
1 stop
GLA09:55Glasgow Intl
£499

momondo Fare Finder

 
Customise your flight search to find flights from Glasgow Intl Airport to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 9 February 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 19/2

08:20-18:30

2 stops15h 10m

Washington, D.C. Dulles Intl

Wed 4/3

19:40-14:45

2 stops14h 05m

£458

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 19/2

11:35-18:30

1 stop11h 55m

Washington, D.C. Dulles Intl

Wed 4/3

19:40-09:55

1 stop9h 15m

£482

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 9/3

12:35-19:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Tue 24/3

20:40-09:55

1 stop9h 15m

£487

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 25/3

07:45-19:30

2 stops15h 45m

Washington, D.C. Dulles Intl

Wed 1/4

20:30-21:15

2 stops19h 45m

£496

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Wed 25/2

20:35-22:53

2 stops31h 18m

Baltimore/Washington

Tue 10/3

20:40-09:55

1 stop9h 15m

£499

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Tue 5/5

07:00-16:45

2 stops14h 45m

Washington, D.C. Reagan-National

Tue 12/5

16:43-10:45

2 stops13h 02m

£702

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Wed 25/2

13:25-23:43

2 stops15h 18m

Washington, D.C. Reagan-National

Wed 11/3

18:30-12:45

2 stops14h 15m

£709

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Mon 23/2

06:35-16:25

2 stops14h 50m

Washington, D.C. Reagan-National

Wed 11/3

17:00-12:50

2 stops15h 50m

£712

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Mon 9/3

08:55-18:48

2 stops13h 53m

Washington, D.C. Reagan-National

Tue 24/3

16:28-09:50

2 stops13h 22m

£729

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Sun 1/3

11:40-16:37

2 stops33h 57m

Washington, D.C. Reagan-National

Tue 10/3

17:00-16:55

2 stops19h 55m

£755

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Glasgow Intl Airport to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from Glasgow Intl Airport is in February. Flight prices, which tend to average around £516, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in February, then you should wait until June to fly from Glasgow Intl Airport, when ticket prices are also cheap, with an average price of £543.

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £592 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Glasgow Intl Airport for as low as £505 on momondo.

Can stopping save me money on Glasgow Intl Airport to Washington, D.C. flights?

You could potentially save up to 44% on your flight if you consider stops on a Glasgow Intl Airport to Washington, D.C. flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Glasgow Intl Airport to Washington, D.C. (GLA to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to Washington, D.C.

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Glasgow Intl Airport to Washington, D.C. takes 10h 00m
There are no direct flights from Glasgow Intl Airport to Washington, D.C.. There are no popular flight routes from Glasgow Intl Airport to Washington, D.C..
Search flight deals

  • How far is Glasgow Intl to Washington, D.C. by plane?

    The distance between Glasgow Intl and Washington, D.C. is about 3412.6 mi. Typically, this will take 10h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Glasgow Intl Airport to Washington, D.C.?

    Prices for flights from Glasgow Intl Airport to Washington, D.C. refresh daily.

  • How many operators does momondo search for flights from Glasgow Intl Airport to Washington, D.C.?

  • How old do you have to be to fly from Glasgow Intl Airport to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Glasgow Intl Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Glasgow Intl Airport to Washington, D.C.?

Best airlines flying from Glasgow Intl Airport to Washington, D.C.

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £417Free CancellationRating
7.1
606 reviews
Search Icelandair flights
KLMPriceFrom £457Free CancellationRating
7.7
1,450 reviews
Search KLM flights
British AirwaysPriceFrom £488Free CancellationRating
6.7
7,721 reviews
Search British Airways flights
Aer LingusPriceFrom £493Free CancellationRating
7.2
1,447 reviews
Search Aer Lingus flights

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
College Park
Fairfax
Arlington
Linthicum Heights
Alexandria
Glen Burnie
Lutherville Timonium
Ellicott City
Cambridge
Lexington Park
Westminster
Woodbridge
Bethesda
Rockville
Silver Spring
Owings Mills
Landover
National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Glasgow to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Glasgow to Washington, D.C. for you.

Can I find flights from Glasgow to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Glasgow which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Glasgow to Washington, D.C.?

Once all potential Glasgow to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Glasgow to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Glasgow to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport