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Cheap flights from Glasgow Intl Airport to Washington, D.C. from £456

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 14/1. 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 - 18:30GLA-IAD
15h 45m2 stops
Multiple Airlines Logo
19:40 - 15:15IAD-GLA
14h 35m2 stops
£466Multiple Airlines
Find Deal
Wed, 10 Dec - Wed, 17 Dec
Aer Lingus Logo
12:00 - 19:30GLA-IAD
12h 30m1 stop
Aer Lingus Logo
17:05 - 08:50IAD-GLA
10h 45m1 stop
£515Aer Lingus
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Aer Lingus Logo
12:00 - 19:30GLA-IAD
12h 30m1 stop
Aer Lingus Logo
21:00 - 11:30IAD-GLA
9h 30m1 stop
£516Aer Lingus
Find Deal
Thu, 6 Nov - Wed, 12 Nov
Icelandair Logo
12:35 - 18:30GLA-IAD
10h 55m1 stop
Icelandair Logo
19:40 - 09:55IAD-GLA
9h 15m1 stop
£560Icelandair
Find Deal
Tue, 16 Dec - Wed, 21 Jan
Icelandair Logo
12:35 - 18:30GLA-IAD
10h 55m1 stop
Icelandair Logo
19:40 - 09:55IAD-GLA
9h 15m1 stop
£644Icelandair
Find Deal
Tue, 16 Dec - Wed, 21 Jan
Virgin Atlantic Logo
06:05 - 23:02GLA-IAD
21h 57m2 stops
Virgin Atlantic Logo
18:05 - 16:35IAD-GLA
17h 30m1 stop
£689Virgin Atlantic
Find Deal
Tue, 24 Feb - Thu, 5 Mar
Lufthansa Logo
06:10 - 15:35GLA-IAD
14h 25m2 stops
Lufthansa Logo
22:00 - 23:10IAD-GLA
20h 10m1 stop
£739Lufthansa
Find Deal
Mon, 23 Feb - Thu, 5 Mar
British Airways Logo
11:40 - 23:08GLA-IAD
16h 28m2 stops
British Airways Logo
18:20 - 10:45IAD-GLA
11h 25m1 stop
£746British Airways
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Tue, 16 Dec - Thu, 22 Jan
British Airways Logo
11:40 - 19:55GLA-IAD
13h 15m1 stop
British Airways Logo
17:46 - 12:50IAD-GLA
14h 04m2 stops
£752British Airways
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Tue, 16 Dec - Wed, 21 Jan
Lufthansa Logo
06:10 - 20:15GLA-IAD
19h 05m1 stop
Lufthansa Logo
17:45 - 12:20IAD-GLA
13h 35m2 stops
£761Lufthansa
Find Deal
Mon, 23 Feb - Fri, 6 Mar

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 Dec
GLA12:35Glasgow Intl
10h 55m
1 stop
IAD18:30Washington, D.C. Dulles Intl
21 Jan
IAD19:40Washington, D.C. Dulles Intl
9h 15m
1 stop
GLA09:55Glasgow Intl
£560
Find similar
Icelandair
16 Dec
GLA12:35Glasgow Intl
10h 55m
1 stop
IAD18:30Washington, D.C. Dulles Intl
21 Jan
IAD19:40Washington, D.C. Dulles Intl
9h 15m
1 stop
GLA09:55Glasgow Intl
£644
Find similar
Icelandair
17 Feb
GLA12:35Glasgow Intl
10h 55m
1 stop
IAD18:30Washington, D.C. Dulles Intl
28 Feb
IAD19:40Washington, D.C. Dulles Intl
9h 15m
1 stop
GLA09:55Glasgow Intl
£650
Find similar

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

Our best Lufthansa deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
23 Feb
GLA06:10Glasgow Intl
14h 25m
2 stops
IAD15:35Washington, D.C. Dulles Intl
5 Mar
IAD22:00Washington, D.C. Dulles Intl
20h 10m
1 stop
GLA23:10Glasgow Intl
£739
Find similar
Lufthansa
23 Feb
GLA06:10Glasgow Intl
19h 05m
1 stop
IAD20:15Washington, D.C. Dulles Intl
6 Mar
IAD17:45Washington, D.C. Dulles Intl
13h 35m
2 stops
GLA12:20Glasgow Intl
£761
Find similar
Lufthansa
26 Nov
GLA12:50Glasgow Intl
30h 45m
2 stops
IAD14:35Washington, D.C. Dulles Intl
3 Dec
IAD17:40Washington, D.C. Dulles Intl
13h 25m
2 stops
GLA12:05Glasgow Intl
£776
Find similar

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 28 October 2025.
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

Wed 10/12

07:45-18:30

2 stops15h 45m

Washington, D.C. Dulles Intl

Wed 17/12

19:40-15:15

2 stops14h 35m

£466

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 26/11

12:00-19:30

1 stop12h 30m

Washington, D.C. Dulles Intl

Wed 3/12

17:05-08:50

1 stop10h 45m

£515

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 6/11

12:00-19:30

1 stop12h 30m

Washington, D.C. Dulles Intl

Wed 12/11

21:00-11:30

1 stop9h 30m

£516

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 16/12

12:35-18:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Wed 21/1

19:40-09:55

1 stop9h 15m

£560

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 16/12

12:35-18:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Wed 21/1

19:40-09:55

1 stop9h 15m

£644

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 24/2

06:05-23:02

2 stops21h 57m

Washington, D.C. Dulles Intl

Thu 5/3

18:05-16:35

1 stop17h 30m

£689

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 23/2

06:10-15:35

2 stops14h 25m

Washington, D.C. Dulles Intl

Thu 5/3

22:00-23:10

1 stop20h 10m

£739

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 16/12

11:40-23:08

2 stops16h 28m

Washington, D.C. Dulles Intl

Thu 22/1

18:20-10:45

1 stop11h 25m

£746

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 16/12

11:40-19:55

1 stop13h 15m

Washington, D.C. Dulles Intl

Wed 21/1

17:46-12:50

2 stops14h 04m

£752

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 23/2

06:10-20:15

1 stop19h 05m

Washington, D.C. Dulles Intl

Fri 6/3

17:45-12:20

2 stops13h 35m

£761

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

The month of October is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport, with most prices found around £526. If you aren’t able to travel during the month of October, then book flights to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport during January instead. Flights to Washington, D.C. Dulles Intl Airport in January, while not as cheap as those in October, still average around £536.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Monday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport. The lowest ticket price found for a Monday departure recently was £599. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Glasgow Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £715.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the morning when flights can be purchased for as low as £639. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is at midday when prices are around £644.

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 £609 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 £492 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

Direct flights

None
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.
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  • 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 55m.

  • 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 £434Free CancellationRating
7.1
562 reviews
Search Icelandair flights
KLMPriceFrom £466Free CancellationRating
7.7
1,406 reviews
Search KLM flights
British AirwaysPriceFrom £498Free CancellationRating
6.7
7,478 reviews
Search British Airways flights
Aer LingusPriceFrom £500Free CancellationRating
7.2
1,360 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
Alexandria
Fairfax
Linthicum Heights
Bethesda
Gettysburg
Front Royal
Cambridge
Winchester
Ellicott City
Westminster
Arlington
Ashburn
Woodbridge
Owings Mills
Sterling
Silver Spring
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?

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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