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Cheap flights from Glasgow Intl Airport to Washington, D.C. from $512

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 7/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
8:40 pm - 12:25 pm
IAD
-
GLA
11h 45m
1 stop
$637Icelandair
Fri, Oct 16 - Sun, Oct 25
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
8:40 pm - 12:25 pm
IAD
-
GLA
11h 45m
1 stop
$638Icelandair
Fri, Oct 16 - Sun, Oct 25
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
8:40 pm - 12:25 pm
IAD
-
GLA
11h 45m
1 stop
$642Icelandair
Fri, Oct 16 - Sun, Oct 25
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
8:30 pm - 1:25 pm
IAD
-
GLA
11h 55m
1 stop
$657Icelandair
Thu, Jul 16 - Mon, Aug 3
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
11:20 pm - 1:25 pm
IAD
-
GLA
9h 05m
1 stop
$658Icelandair
Fri, Sep 18 - Sun, Oct 4
Icelandair Logo
2:20 pm - 10:15 pm
GLA
-
IAD
12h 55m
1 stop
Icelandair Logo
11:20 pm - 1:25 pm
IAD
-
GLA
9h 05m
1 stop
$659Icelandair
Fri, Sep 18 - Sun, Oct 4
Icelandair Logo
2:20 pm - 10:15 pm
GLA
-
IAD
12h 55m
1 stop
Icelandair Logo
11:20 pm - 1:25 pm
IAD
-
GLA
9h 05m
1 stop
$661Icelandair
Fri, Sep 18 - Sun, Oct 4
Icelandair Logo
2:20 pm - 10:15 pm
GLA
-
IAD
12h 55m
1 stop
Icelandair Logo
11:20 pm - 1:25 pm
IAD
-
GLA
9h 05m
1 stop
$662Icelandair
Fri, Sep 18 - Sun, Oct 4
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
11:20 pm - 1:25 pm
IAD
-
GLA
9h 05m
1 stop
$665Icelandair
Fri, Oct 9 - Sun, Oct 18
Icelandair Logo
2:20 pm - 10:15 pm
GLA
-
IAD
12h 55m
1 stop
Icelandair Logo
8:40 pm - 9:55 am
IAD
-
GLA
9h 15m
1 stop
$670Icelandair
Wed, Oct 14 - Wed, Oct 28

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

Our best British Airways deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
British Airways
Oct 9
GLA1:20 pmGlasgow Intl
11h 05m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 19
IAD10:25 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
GLA5:40 pmGlasgow Intl
$690
British Airways
Oct 9
GLA1:20 pmGlasgow Intl
11h 05m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 19
IAD10:25 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
GLA5:40 pmGlasgow Intl
$692
British Airways
Aug 19
GLA8:35 amGlasgow Intl
12h 10m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Aug 23
IAD7:15 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
GLA10:30 amGlasgow Intl
$705

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

Our best United Airlines deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Aug 28
GLA2:00 pmGlasgow Intl
13h 59m
1 stop
IAD10:59 pmWashington, D.C. Dulles Intl
Sep 13
IAD12:35 pmWashington, D.C. Dulles Intl
16h 35m
1 stop
GLA10:10 amGlasgow Intl
$723
United Airlines
Aug 28
GLA2:00 pmGlasgow Intl
26h 26m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl
Sep 13
IAD5:45 pmWashington, D.C. Dulles Intl
11h 25m
1 stop
GLA10:10 amGlasgow Intl
$726
United Airlines
Oct 8
GLA2:00 pmGlasgow Intl
26h 25m
1 stop
IAD11:25 amWashington, D.C. Dulles Intl
Oct 19
IAD6:45 amWashington, D.C. Dulles Intl
22h 25m
1 stop
GLA10:10 amGlasgow Intl
$727

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 28, 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 round-trip

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 10/16

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 10/25

8:40 pm-12:25 pm

1 stop11h 45m

$637

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 10/16

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 10/25

8:40 pm-12:25 pm

1 stop11h 45m

$638

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 10/16

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 10/25

8:40 pm-12:25 pm

1 stop11h 45m

$642

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 7/16

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Mon 8/3

8:30 pm-1:25 pm

1 stop11h 55m

$657
Quickest round-trip

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 9/18

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 10/4

11:20 pm-1:25 pm

1 stop9h 05m

$658

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 9/18

2:20 pm-10:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Sun 10/4

11:20 pm-1:25 pm

1 stop9h 05m

$659

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 9/18

2:20 pm-10:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Sun 10/4

11:20 pm-1:25 pm

1 stop9h 05m

$661

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 9/18

2:20 pm-10:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Sun 10/4

11:20 pm-1:25 pm

1 stop9h 05m

$662

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 10/9

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 10/18

11:20 pm-1:25 pm

1 stop9h 05m

$665

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 10/14

2:20 pm-10:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Wed 10/28

8:40 pm-9:55 am

1 stop9h 15m

$670

Flights are sorted by cheapest round-trip 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 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?

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 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 $846 when searching weeks out. 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 $753 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 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

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.
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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?

  • 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?

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 LingusPriceFrom $802Free CancellationRating
7.3
1,628 reviews
Search Aer Lingus flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Sterling
Tysons
Springfield
Bethesda

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.?

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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