What is the cheapest airline that flies from Glasgow to Washington, D.C. Dulles Intl?

British Airways, Icelandair, and Delta are the most popular carriers operating from Glasgow to Washington, D.C. Dulles Intl

Which airlines fly to Washington, D.C. Dulles Intl Airport?

Aer Lingus, British Airways and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Glasgow according to our data. Aer Lingus is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

As of August 2026, there are 3 operators available to choose from for flights from Glasgow to Washington, D.C. Dulles Intl Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow to Washington, D.C. Dulles Intl Airport.

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

The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£310 Cheap Flights from Glasgow to Washington, D.C. Dulles Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Glasgow to Washington, D.C.

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Cheap return flights

Enter your travel dates to find the best prices.

10:15 - 22:15GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

17h 00m2 stops London Gatwick Reykjavik Keflavik Intl

23:20 - 20:40IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

16h 20m2 stops Reykjavik Keflavik Intl London Gatwick

£480Multiple Airlines

Wed, 30 Sep - Wed, 7 Oct

10:15 - 22:15GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

17h 00m2 stops London Gatwick Reykjavik Keflavik Intl

20:30 - 20:50IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

19h 20m2 stops Reykjavik Keflavik Intl London Gatwick

£510Multiple Airlines

Sat, 19 Sep - Tue, 22 Sep

21:15 - 10:45GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

42h 30m2 stops London Stansted Toronto Pearson Intl

23:20 - 13:25IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 05m1 stop Reykjavik Keflavik Intl

£549Multiple Airlines

Fri, 9 Oct - Sun, 18 Oct

14:20 - 22:15GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

12h 55m1 stop Reykjavik Keflavik Intl

23:20 - 13:25IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 05m1 stop Reykjavik Keflavik Intl

£587Icelandair

Wed, 30 Sep - Wed, 7 Oct

21:25 - 15:30GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

23h 05m2 stops Dublin Madrid Barajas

20:55 - 20:40IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

18h 45m1 stop Dublin

£595Aer Lingus

Fri, 11 Sep - Fri, 18 Sep

11:35 - 18:30GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

11h 55m1 stop Reykjavik Keflavik Intl

19:40 - 09:55IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 15m1 stop Reykjavik Keflavik Intl

£601Icelandair

Wed, 20 Jan - Thu, 11 Feb

14:20 - 22:15GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

12h 55m1 stop Reykjavik Keflavik Intl

20:30 - 13:25IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

11h 55m1 stop Reykjavik Keflavik Intl

£612Icelandair

Wed, 14 Oct - Mon, 19 Oct

08:35 - 15:30GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

35h 55m2 stops Dublin Madrid Barajas

20:55 - 11:30IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 35m1 stop Dublin

£626Aer Lingus

Fri, 2 Oct - Sun, 18 Oct

08:40 - 15:40GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

12h 00m1 stop London Heathrow

18:05 - 10:55IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

11h 50m1 stop London Heathrow

£629British Airways

Thu, 24 Dec - Mon, 28 Dec

08:45 - 15:40GLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

11h 55m1 stop London Heathrow

18:05 - 10:55IAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

11h 50m1 stop London Heathrow

£640British Airways

Tue, 22 Dec - Mon, 28 Dec

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

Our best Icelandair deals on Glasgow to Washington, D.C. Dulles Intl Airport flight tickets

Icelandair

30 Sept

GLA14:20Glasgow Intl

12h 55m

1 stop

IAD22:15Washington, D.C. Dulles Intl

7 Oct

IAD23:20Washington, D.C. Dulles Intl

9h 05m

1 stop

GLA13:25Glasgow Intl

£587

Icelandair

20 Jan

GLA11:35Glasgow Intl

11h 55m

1 stop

IAD18:30Washington, D.C. Dulles Intl

11 Feb

IAD19:40Washington, D.C. Dulles Intl

9h 15m

1 stop

GLA09:55Glasgow Intl

£601

Icelandair

14 Oct

GLA14:20Glasgow Intl

12h 55m

1 stop

IAD22:15Washington, D.C. Dulles Intl

19 Oct

IAD20:30Washington, D.C. Dulles Intl

11h 55m

1 stop

GLA13:25Glasgow Intl

£612

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

Our best Finnair deals on Glasgow to Washington, D.C. Dulles Intl Airport flight tickets

Finnair

1 Oct

GLA18:40Glasgow Intl

30h 40m

1 stop

IAD20:20Washington, D.C. Dulles Intl

8 Oct

IAD22:25Washington, D.C. Dulles Intl

14h 05m

1 stop

GLA17:30Glasgow Intl

£587

Finnair

2 Oct

GLA13:25Glasgow Intl

11h 55m

1 stop

IAD20:20Washington, D.C. Dulles Intl

18 Oct

IAD22:25Washington, D.C. Dulles Intl

11h 15m

1 stop

GLA14:40Glasgow Intl

£607

Finnair

2 Oct

GLA13:25Glasgow Intl

11h 55m

1 stop

IAD20:20Washington, D.C. Dulles Intl

18 Oct

IAD22:25Washington, D.C. Dulles Intl

11h 15m

1 stop

GLA14:40Glasgow Intl

£612

momondo Fare Finder

Use the filters below to find and compare flights from Glasgow 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 Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Wed 30/9

10:15-22:15

2 stops17h 00m

Washington, D.C. Dulles Intl

Wed 7/10

23:20-20:40

2 stops16h 20m

£480

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Sat 19/9

10:15-22:15

2 stops17h 00m

Washington, D.C. Dulles Intl

Tue 22/9

20:30-20:50

2 stops19h 20m

£510

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Fri 9/10

21:15-10:45

2 stops42h 30m

Washington, D.C. Dulles Intl

Sun 18/10

23:20-13:25

1 stop9h 05m

£549

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Wed 30/9

14:20-22:15

1 stop12h 55m

Washington, D.C. Dulles Intl

Wed 7/10

23:20-13:25

1 stop9h 05m

£587

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Fri 11/9

21:25-15:30

2 stops23h 05m

Washington, D.C. Dulles Intl

Fri 18/9

20:55-20:40

1 stop18h 45m

£595

Fastest return journey

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Wed 20/1

11:35-18:30

1 stop11h 55m

Washington, D.C. Dulles Intl

Thu 11/2

19:40-09:55

1 stop9h 15m

£601

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Wed 14/10

14:20-22:15

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 19/10

20:30-13:25

1 stop11h 55m

£612

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Fri 2/10

08:35-15:30

2 stops35h 55m

Washington, D.C. Dulles Intl

Sun 18/10

20:55-11:30

1 stop9h 35m

£626

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Thu 24/12

08:40-15:40

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 28/12

18:05-10:55

1 stop11h 50m

£629

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Tue 22/12

08:45-15:40

1 stop11h 55m

Washington, D.C. Dulles Intl

Mon 28/12

18:05-10:55

1 stop11h 50m

£640

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Glasgow 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

Prices

Airlines

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

Prices are currently low for flights on this route.

Typical prices usually range from £619 to £756.
The lowest price recently found on this route was £480.

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, with most prices found around £420. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. Dulles Intl Airport from Glasgow during October instead. Flights to Washington, D.C. Dulles Intl Airport in October, while not as cheap as those in February, still average around £526.

What is the cheapest Glasgow to Washington, D.C. Dulles Intl flight route?

Fly from Edinburgh Turnhouse to Washington, D.C. Dulles Intl for the best Glasgow - Washington, D.C. Dulles Intl flight prices

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Glasgow 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 £630 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 for as low as £556 on momondo.

What cabin class options are available on Glasgow to Washington, D.C. Dulles Intl Airport flights?

There are 3 cabin classes available to choose from on Glasgow to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Glasgow to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Best price found	£310
Fastest flight time	10h 00m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Glasgow in the past 72 hours is £310. The best return flight deal from Glasgow to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is £480.

The fastest flight from Glasgow to Washington, D.C. Dulles Intl Airport takes 10h 00m

There are no direct flights from Glasgow to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Glasgow to Washington, D.C. Dulles Intl Airport.

Search flight deals

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

How far is Glasgow to Washington, D.C. Dulles Intl by plane?
A flight from Glasgow to Washington, D.C. Dulles Intl will travel around 3433.1 mi. A reasonable flight in good conditions will take 10h 00m.
When did momondo last update prices for flights from Glasgow to Washington, D.C. Dulles Intl Airport?
Prices for flights from Glasgow to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Glasgow to Washington, D.C. Dulles Intl Airport?
As of August 2026, there are 3 operators available to choose from for flights from Glasgow to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Glasgow to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Compare and see reviews for airlines that fly from Glasgow to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £419	Free Cancellation	Rating 6.9 731 reviews	Search Icelandair flights
British Airways	PriceFrom £452	Free Cancellation	Rating 6.7 8,181 reviews	Search British Airways flights
Aer Lingus	PriceFrom £492	Free Cancellation	Rating 7.3 1,708 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom £511	Free Cancellation	Rating 6.8 8,199 reviews	Search Lufthansa flights
United Airlines	PriceFrom £545	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights

Alexandria

College Park

Arlington

Springfield

Fairfax

Gettysburg

Linthicum Heights

National Harbor

Winchester

Ellicott City

Cambridge

Glen Burnie

Westminster

Laurel

Lutherville Timonium

Lexington Park

Leesburg

Woodbridge

Bethesda

Sterling

Why use momondo?

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

It is quick and easy to find Glasgow to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Flights from Glasgow to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Glasgow. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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Cheap flights from Glasgow to Washington, D.C. from £310

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 to Washington, D.C. departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Glasgow to Washington, D.C.

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

Our best Icelandair deals on Glasgow to Washington, D.C. Dulles Intl Airport flight tickets

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

Our best Finnair deals on Glasgow to Washington, D.C. Dulles Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Glasgow to Washington, D.C. Dulles Intl Airport that are best for you.

See travel insights to Washington, D.C. from

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

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

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

What is the cheapest Glasgow to Washington, D.C. Dulles Intl flight route?

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

What cabin class options are available on Glasgow to Washington, D.C. Dulles Intl Airport flights?

What is the cheapest airline that flies from Glasgow to Washington, D.C. Dulles Intl?

Which airlines fly to Washington, D.C. Dulles Intl Airport?

Cheap Glasgow to Washington, D.C. Dulles Intl Airport flight deals and tips

Best price found

Fastest flight time

Direct flights

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

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

Compare and see reviews for airlines that fly from Glasgow to Washington, D.C. Dulles Intl Airport with momondo

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

Why use momondo?

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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