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

Aer Lingus is the most popular carrier operating from Glasgow Intl to Washington, D.C. Dulles Intl

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

As of August 2026, there is 1 operator available to choose from 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?

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 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 required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$449 Cheap Flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:55 pm - 10:15 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

34h 20m3 stops Amsterdam Schiphol Oslo Gardermoen Reykjavik Keflavik Intl

8:40 pm - 8:30 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

31h 50m3 stops Reykjavik Keflavik Intl Oslo Gardermoen Amsterdam Schiphol

$661Multiple Airlines

Tue, Oct 20 - Sun, Oct 25

10:15 am - 10:15 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

17h 00m2 stops London Gatwick Reykjavik Keflavik Intl

11:20 pm - 7:50 pmIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

15h 30m2 stops Reykjavik Keflavik Intl London Gatwick

$681Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

10:05 pm - 10:21 amGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

41h 16m2 stops London Stansted Orlando

7:40 pm - 9:55 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 15m1 stop Reykjavik Keflavik Intl

$694Multiple Airlines

Tue, Nov 17 - Fri, Nov 27

10:05 pm - 10:21 amGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

41h 16m2 stops London Stansted Orlando

7:40 pm - 9:55 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 15m1 stop Reykjavik Keflavik Intl

$694Multiple Airlines

Tue, Nov 17 - Thu, Nov 26

10:05 pm - 10:21 amGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

41h 16m2 stops London Stansted Orlando

7:40 pm - 9:55 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 15m1 stop Reykjavik Keflavik Intl

$694Multiple Airlines

Tue, Nov 17 - Sat, Nov 28

10:05 pm - 10:21 amGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

41h 16m2 stops London Stansted Orlando

7:40 pm - 9:55 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 15m1 stop Reykjavik Keflavik Intl

$694Multiple Airlines

Tue, Nov 17 - Mon, Nov 30

10:05 pm - 10:21 amGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

41h 16m2 stops London Stansted Orlando

7:40 pm - 9:55 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 15m1 stop Reykjavik Keflavik Intl

$694Multiple Airlines

Tue, Nov 17 - Sun, Nov 29

5:40 pm - 7:25 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

30h 45m2 stops Malaga Dublin

8:40 pm - 12:25 pmIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

11h 45m1 stop Reykjavik Keflavik Intl

$714Multiple Airlines

Tue, Oct 20 - Sun, Oct 25

1:20 pm - 3:30 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

31h 10m2 stops Dublin Madrid Barajas

5:15 pm - 7:10 pmIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

20h 55m1 stop Dublin

$778Aer Lingus

Tue, Sep 15 - Tue, Oct 13

1:20 pm - 7:25 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

11h 05m1 stop Dublin

5:15 pm - 8:05 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

9h 50m1 stop Dublin

$850Aer Lingus

Fri, Oct 9 - Sun, Oct 18

Cheap last minute flights

Enter your travel dates to find the best prices.

2:20 pm - 7:20 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

10h 00m1 stop Reykjavik Keflavik Intl

8:30 pm - 1:25 pmIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

11h 55m1 stop Reykjavik Keflavik Intl

$986Icelandair

Fri, Aug 28 - Sun, Sep 13

5:00 pm - 8:20 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

32h 20m1 stop London Heathrow

10:25 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

15h 20m1 stop London Heathrow

$1,010Finnair

Fri, Aug 28 - Sun, Sep 13

1:25 pm - 8:20 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

11h 55m1 stop London Heathrow

5:45 pm - 9:50 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

11h 05m1 stop London Heathrow

$1,033Iberia

Fri, Aug 28 - Sun, Sep 13

1:25 pm - 8:20 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

11h 55m1 stop London Heathrow

5:45 pm - 9:50 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

11h 05m1 stop London Heathrow

$1,035Iberia

Fri, Aug 28 - Sun, Sep 13

5:00 pm - 8:20 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

32h 20m1 stop London Heathrow

5:45 pm - 9:10 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

10h 25m1 stop London Heathrow

$1,060Multiple Airlines

Fri, Aug 28 - Sun, Sep 13

7:00 am - 5:25 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

15h 25m1 stop London Heathrow

1:29 pm - 9:50 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

15h 21m2 stops Charlotte Douglas London Heathrow

$1,066Finnair

Fri, Aug 28 - Sun, Sep 13

5:50 am - 5:04 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

16h 14m2 stops London Heathrow Charlotte Douglas

1:29 pm - 9:50 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

15h 21m2 stops Charlotte Douglas London Heathrow

$1,072Finnair

Fri, Aug 28 - Sun, Sep 13

7:00 am - 5:25 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

15h 25m1 stop London Heathrow

1:29 pm - 9:50 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

15h 21m2 stops Charlotte Douglas London Heathrow

$1,087Finnair

Fri, Aug 28 - Sun, Sep 13

5:50 am - 5:04 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

16h 14m2 stops London Heathrow Charlotte Douglas

1:29 pm - 9:50 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

15h 21m2 stops Charlotte Douglas London Heathrow

$1,093Finnair

Fri, Aug 28 - Sun, Sep 13

5:50 am - 5:25 pmGLA Glasgow Intl-IAD Washington, D.C. Dulles Intl

16h 35m1 stop London Heathrow

1:29 pm - 9:50 amIAD Washington, D.C. Dulles Intl-GLA Glasgow Intl

15h 21m2 stops Charlotte Douglas London Heathrow

$1,099Finnair

Fri, Aug 28 - Sun, Sep 13

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

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

Finnair

Oct 2

GLA1:25 pmGlasgow Intl

11h 55m

1 stop

IAD8:20 pmWashington, D.C. Dulles Intl

Oct 18

IAD10:25 pmWashington, D.C. Dulles Intl

11h 15m

1 stop

GLA2:40 pmGlasgow Intl

$826

Finnair

Oct 2

GLA1:25 pmGlasgow Intl

11h 55m

1 stop

IAD8:20 pmWashington, D.C. Dulles Intl

Oct 18

IAD10:25 pmWashington, D.C. Dulles Intl

11h 15m

1 stop

GLA2:40 pmGlasgow Intl

$841

Finnair

Aug 28

GLA5:00 pmGlasgow Intl

32h 20m

1 stop

IAD8:20 pmWashington, D.C. Dulles Intl

Sep 13

IAD10:25 pmWashington, D.C. Dulles Intl

15h 20m

1 stop

GLA6:45 pmGlasgow Intl

$1,010

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

Sep 15

GLA2:20 pmGlasgow Intl

10h 00m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Oct 13

IAD8:30 pmWashington, D.C. Dulles Intl

11h 55m

1 stop

GLA1:25 pmGlasgow Intl

$769

Icelandair

Oct 7

GLA2:20 pmGlasgow Intl

12h 55m

1 stop

IAD10:15 pmWashington, D.C. Dulles Intl

Oct 14

IAD11:20 pmWashington, D.C. Dulles Intl

9h 05m

1 stop

GLA1:25 pmGlasgow Intl

$815

Icelandair

Sep 22

GLA2:20 pmGlasgow Intl

10h 00m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Sep 29

IAD8:30 pmWashington, D.C. Dulles Intl

11h 55m

1 stop

GLA1:25 pmGlasgow Intl

$825

momondo Fare Finder

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 round-trip

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Tue 10/20

4:55 pm-10:15 pm

3 stops34h 20m

Washington, D.C. Dulles Intl

Sun 10/25

8:40 pm-8:30 am

3 stops31h 50m

$661

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Wed 10/7

10:15 am-10:15 pm

2 stops17h 00m

Washington, D.C. Dulles Intl

Wed 10/14

11:20 pm-7:50 pm

2 stops15h 30m

$681

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Tue 11/17

10:05 pm-10:21 am

2 stops41h 16m

Washington, D.C. Dulles Intl

Fri 11/27

7:40 pm-9:55 am

1 stop9h 15m

$694

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Tue 11/17

10:05 pm-10:21 am

2 stops41h 16m

Washington, D.C. Dulles Intl

Thu 11/26

7:40 pm-9:55 am

1 stop9h 15m

$694

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Tue 11/17

10:05 pm-10:21 am

2 stops41h 16m

Washington, D.C. Dulles Intl

Sat 11/28

7:40 pm-9:55 am

1 stop9h 15m

$694

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Tue 11/17

10:05 pm-10:21 am

2 stops41h 16m

Washington, D.C. Dulles Intl

Mon 11/30

7:40 pm-9:55 am

1 stop9h 15m

$694

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Tue 11/17

10:05 pm-10:21 am

2 stops41h 16m

Washington, D.C. Dulles Intl

Sun 11/29

7:40 pm-9:55 am

1 stop9h 15m

$694

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Tue 10/20

5:40 pm-7:25 pm

2 stops30h 45m

Washington, D.C. Dulles Intl

Sun 10/25

8:40 pm-12:25 pm

1 stop11h 45m

$714

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Tue 9/15

1:20 pm-3:30 pm

2 stops31h 10m

Washington, D.C. Dulles Intl

Tue 10/13

5:15 pm-7:10 pm

1 stop20h 55m

$778

Quickest round-trip

GlasgowWashington, D.C.

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

GLAIAD

Glasgow Intl

Fri 10/9

1:20 pm-7:25 pm

1 stop11h 05m

Washington, D.C. Dulles Intl

Sun 10/18

5:15 pm-8:05 am

1 stop9h 50m

$850

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

Prices are currently low for flights on this route.

Typical prices usually range from $678 to $950.
The lowest price recently found on this route was $661.

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

In general, February is the cheapest month to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $568. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $688.

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 round-trip 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

Best Price Found	$449
Fastest flight time	10h 00m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport in the past 72 hours is $449. The best round-trip flight deal from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $661.

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?
The distance between Glasgow Intl and Washington, D.C. Dulles Intl is about 3426.2 mi. 10h 00m is a normal flight duration for this route.
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 were last updated today.
How many operators does momondo search for flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?
As of August 2026, there is 1 operator available to choose from 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?
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 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 required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport is Aer Lingus, representing 100% of all bookings.

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
Aer Lingus	PriceFrom $802	Free Cancellation	Rating 7.3 1,729 reviews		Search Aer Lingus flights

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Winchester

Laurel

Waldorf

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

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Edgewood

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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.?

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?

Price alerts on flights to Washington, D.C. from Glasgow are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Glasgow Intl Airport to Washington, D.C. from $449

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

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

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

momondo Fare Finder

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.

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

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?

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

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

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

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

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

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According to popular flight searches on momondo this year

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