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Cheap flights from Glasgow Intl Airport to Washington, D.C. from £285

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 20/6. 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
07:45 - 15:45
GLA
-
IAD
13h 00m
1 stop
Multiple Airlines Logo
21:00 - 14:55
IAD
-
GLA
12h 55m
1 stop
£520Multiple Airlines
Wed, 3 Jun - Wed, 10 Jun
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
20:40 - 12:25
IAD
-
GLA
11h 45m
1 stop
£542Icelandair
Fri, 16 Oct - Sun, 25 Oct
Aer Lingus Logo
08:35 - 15:45
GLA
-
IAD
12h 10m
1 stop
Aer Lingus Logo
21:00 - 15:25
IAD
-
GLA
13h 25m
1 stop
£554Aer Lingus
Wed, 3 Jun - Wed, 10 Jun
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
£565Icelandair
Thu, 4 Jun - Mon, 8 Jun
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
20:40 - 09:55
IAD
-
GLA
9h 15m
1 stop
£573Icelandair
Tue, 13 Oct - Tue, 27 Oct
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
20:40 - 12:25
IAD
-
GLA
11h 45m
1 stop
£578Icelandair
Thu, 15 Oct - Sun, 25 Oct
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
£582Icelandair
Tue, 2 Jun - Sun, 7 Jun
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
20:40 - 12:25
IAD
-
GLA
11h 45m
1 stop
£583Icelandair
Wed, 14 Oct - Sun, 25 Oct
Multiple Airlines Logo
20:40 - 20:29
GLA
-
IAD
28h 49m
3 stops
Multiple Airlines Logo
08:18 - 09:40
IAD
-
GLA
20h 22m
2 stops
£585Multiple Airlines
Tue, 16 Jun - Tue, 23 Jun
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
£589Icelandair
Fri, 11 Sep - Fri, 18 Sep

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

Our best Icelandair deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
16 Oct
GLA14:20Glasgow Intl
10h 00m
1 stop
IAD19:20Washington, D.C. Dulles Intl
25 Oct
IAD20:40Washington, D.C. Dulles Intl
11h 45m
1 stop
GLA12:25Glasgow Intl
£542
Icelandair
4 Jun
GLA14:20Glasgow Intl
10h 00m
1 stop
IAD19:20Washington, D.C. Dulles Intl
8 Jun
IAD20:30Washington, D.C. Dulles Intl
11h 55m
1 stop
GLA13:25Glasgow Intl
£565
Icelandair
13 Oct
GLA14:20Glasgow Intl
10h 00m
1 stop
IAD19:20Washington, D.C. Dulles Intl
28 Oct
IAD20:40Washington, D.C. Dulles Intl
9h 15m
1 stop
GLA09:55Glasgow Intl
£573

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

Our best American Airlines deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
18 Oct
GLA13:30Glasgow Intl
32h 55m
1 stop
IAD17:25Washington, D.C. Dulles Intl
28 Oct
IAD19:20Washington, D.C. Dulles Intl
11h 25m
1 stop
GLA10:45Glasgow Intl
£700
American Airlines
13 Oct
GLA14:35Glasgow Intl
10h 45m
1 stop
IAD20:20Washington, D.C. Dulles Intl
26 Oct
IAD20:25Washington, D.C. Dulles Intl
16h 10m
2 stops
GLA16:35Glasgow Intl
£704

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 10 May 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

Cheapest return flight

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 3/6

07:45-15:45

1 stop13h 00m

Washington, D.C. Dulles Intl

Wed 10/6

21:00-14:55

1 stop12h 55m

£520

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 16/10

14:20-19:20

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 25/10

20:40-12:25

1 stop11h 45m

£542

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 3/6

08:35-15:45

1 stop12h 10m

Washington, D.C. Dulles Intl

Wed 10/6

21:00-15:25

1 stop13h 25m

£554

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 4/6

14:20-19:20

1 stop10h 00m

Washington, D.C. Dulles Intl

Mon 8/6

20:30-13:25

1 stop11h 55m

£565
Fastest return journey

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 13/10

14:20-19:20

1 stop10h 00m

Washington, D.C. Dulles Intl

Tue 27/10

20:40-09:55

1 stop9h 15m

£573

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 15/10

14:20-19:20

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 25/10

20:40-12:25

1 stop11h 45m

£578

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 2/6

14:20-19:20

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 7/6

20:30-13:25

1 stop11h 55m

£582

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 14/10

14:20-19:20

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 25/10

20:40-12:25

1 stop11h 45m

£583

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 16/6

20:40-20:29

3 stops28h 49m

Washington, D.C. Dulles Intl

Tue 23/6

08:18-09:40

2 stops20h 22m

£585

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 11/9

14:20-19:20

1 stop10h 00m

Washington, D.C. Dulles Intl

Fri 18/9

20:30-13:25

1 stop11h 55m

£589

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 February is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport, with most prices found around £415. If you aren’t able to travel during the month of February, 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 February, still average around £505.

How far in advance should I book a flight from Glasgow Intl Airport 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 £601 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 £532 on momondo.

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

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

Frequently asked questions about flying from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

  • 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 £416Free CancellationRating
7.0
653 reviews
Search Icelandair flights
British AirwaysPriceFrom £488Free CancellationRating
6.7
7,964 reviews
Search British Airways flights
Aer LingusPriceFrom £489Free CancellationRating
7.3
1,551 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
Alexandria
College Park
Fairfax
Springfield
Arlington
Gettysburg
Linthicum Heights
Front Royal
Glen Burnie
Winchester
Laurel
Ellicott City
Lutherville Timonium
Cambridge
Westminster
Lexington Park
Leesburg
Ashburn
Sterling
Woodbridge

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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