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Cheap flights from Glasgow Intl Airport to Washington, D.C. from £219

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 8/4. 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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0 bags

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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
07:05 - 07:20
GLA
-
IAD
29h 15m
2 stops
Multiple Airlines Logo
19:40 - 09:55
IAD
-
GLA
9h 15m
1 stop
£456Multiple Airlines
Thu, 26 Feb - Tue, 3 Mar
Multiple Airlines Logo
07:05 - 07:20
GLA
-
IAD
29h 15m
2 stops
Multiple Airlines Logo
19:40 - 09:55
IAD
-
GLA
9h 15m
1 stop
£457Multiple Airlines
Thu, 26 Feb - Tue, 3 Mar
Multiple Airlines Logo
20:50 - 07:24
GLA
-
IAD
39h 34m
2 stops
Multiple Airlines Logo
20:40 - 09:55
IAD
-
GLA
9h 15m
1 stop
£464Multiple Airlines
Wed, 4 Mar - Tue, 10 Mar
Icelandair Logo
12:35 - 18:30
GLA
-
IAD
10h 55m
1 stop
Icelandair Logo
20:40 - 09:55
IAD
-
GLA
9h 15m
1 stop
£467Icelandair
Mon, 2 Mar - Sun, 8 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
£483Icelandair
Wed, 11 Mar - Tue, 24 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
£486Icelandair
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
07:00 - 19:30
GLA
-
IAD
16h 30m
2 stops
Multiple Airlines Logo
20:40 - 20:05
IAD
-
GLA
19h 25m
2 stops
£516Multiple Airlines
Tue, 17 Mar - Tue, 24 Mar
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
£516Icelandair
Fri, 15 May - Sat, 30 May
Multiple Airlines Logo
09:05 - 21:25
GLA
-
IAD
17h 20m
2 stops
Multiple Airlines Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
£539Multiple Airlines
Thu, 9 Apr - Wed, 15 Apr
Multiple Airlines Logo
20:35 - 07:24
GLA
-
IAD
38h 49m
2 stops
Multiple Airlines Logo
20:40 - 09:55
IAD
-
GLA
9h 15m
1 stop
£540Multiple Airlines
Wed, 11 Mar - Tue, 24 Mar

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

Our best Aer Lingus deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Aer Lingus
18 Mar
GLA12:00Glasgow Intl
12h 30m
1 stop
IAD20:30Washington, D.C. Dulles Intl
25 Mar
IAD18:05Washington, D.C. Dulles Intl
9h 45m
1 stop
GLA07:50Glasgow Intl
£597
Aer Lingus
15 Mar
GLA08:20Glasgow Intl
12h 15m
1 stop
IAD16:35Washington, D.C. Dulles Intl
24 Mar
IAD18:05Washington, D.C. Dulles Intl
9h 45m
1 stop
GLA07:50Glasgow Intl
£613
Aer Lingus
4 Feb
GLA08:20Glasgow Intl
12h 15m
1 stop
IAD15:35Washington, D.C. Dulles Intl
11 Feb
IAD17:05Washington, D.C. Dulles Intl
9h 45m
1 stop
GLA07:50Glasgow Intl
£643

Delta flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Delta
18 Mar
GLA09:05Glasgow Intl
12h 00m
1 stop
IAD17:05Washington, D.C. Dulles Intl
25 Mar
IAD13:19Washington, D.C. Dulles Intl
15h 11m
2 stops
GLA08:30Glasgow Intl
£686
Delta
11 Mar
GLA09:05Glasgow Intl
12h 00m
1 stop
IAD17:05Washington, D.C. Dulles Intl
26 Mar
IAD12:47Washington, D.C. Dulles Intl
23h 48m
2 stops
GLA16:35Glasgow Intl
£722

momondo Fare Finder

 
Customise your flight search to find flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport 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 3 February 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 26/2

07:05-07:20

2 stops29h 15m

Washington, D.C. Dulles Intl

Tue 3/3

19:40-09:55

1 stop9h 15m

£456

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 26/2

07:05-07:20

2 stops29h 15m

Washington, D.C. Dulles Intl

Tue 3/3

19:40-09:55

1 stop9h 15m

£457

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 4/3

20:50-07:24

2 stops39h 34m

Washington, D.C. Dulles Intl

Tue 10/3

20:40-09:55

1 stop9h 15m

£464

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 2/3

12:35-18:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Sun 8/3

20:40-09:55

1 stop9h 15m

£467

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 11/3

12:35-19:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Tue 24/3

20:40-09:55

1 stop9h 15m

£483

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 17/3

12:35-19:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Tue 24/3

20:40-09:55

1 stop9h 15m

£486

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 17/3

07:00-19:30

2 stops16h 30m

Washington, D.C. Dulles Intl

Tue 24/3

20:40-20:05

2 stops19h 25m

£516

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 15/5

14:20-19:20

1 stop10h 00m

Washington, D.C. Dulles Intl

Sat 30/5

20:30-13:25

1 stop11h 55m

£516

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 9/4

09:05-21:25

2 stops17h 20m

Washington, D.C. Dulles Intl

Wed 15/4

20:30-13:25

1 stop11h 55m

£539

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 11/3

20:35-07:24

2 stops38h 49m

Washington, D.C. Dulles Intl

Tue 24/3

20:40-09:55

1 stop9h 15m

£540

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

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 typical price of a round-trip flight between Glasgow Intl Airport and Washington, D.C. Dulles Intl Airport?

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

The month of January is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport, with most prices found around £486. If you aren’t able to travel during the month of January, then book flights to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport during October instead. Flights to Washington, D.C. Dulles Intl Airport in October, while not as cheap as those in January, still average around £508.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around £585 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. Dulles Intl Airport from Glasgow Intl Airport for as low as £502 on momondo.

How have Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of February 2026, prices for Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (GLA to IAD) flight deals and tips

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

Fastest flight time

10h 00m

Direct flights

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

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

    A flight from Glasgow Intl to Washington, D.C. Dulles Intl will travel around 3426.2 mi. In terms of flight time, this usually takes a little over 10h 00m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £415Free CancellationRating
7.1
606 reviews
Search Icelandair flights
KLMPriceFrom £455Free CancellationRating
7.7
1,448 reviews
Search KLM flights
British AirwaysPriceFrom £486Free CancellationRating
6.7
7,711 reviews
Search British Airways flights
Aer LingusPriceFrom £491Free CancellationRating
7.2
1,444 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
Front Royal
Winchester
Ellicott City
Cambridge
Lexington Park
Westminster
Woodbridge
Bethesda
Ashburn
Sterling
Rockville
Silver Spring

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?

Yes. momondo allows you to filter the results for Glasgow to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Glasgow and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Glasgow. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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