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Cheap flights from Glasgow Intl Airport to Washington, D.C. from $444

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 6/14. 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 round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:05 am - 7:20 pm
GLA
-
IAD
17h 15m
2 stops
Multiple Airlines Logo
8:30 pm - 8:55 pm
IAD
-
GLA
19h 25m
2 stops
$634Multiple Airlines
Tue, May 5 - Tue, May 12
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
$675Icelandair
Wed, Apr 29 - Sun, May 3
Icelandair Logo
2:30 pm - 7:20 pm
GLA
-
IAD
9h 50m
1 stop
Icelandair Logo
11:20 pm - 1:35 pm
IAD
-
GLA
9h 15m
1 stop
$682Icelandair
Fri, May 8 - Sun, May 17
Multiple Airlines Logo
7:25 am - 3:45 pm
GLA
-
IAD
13h 20m
1 stop
Multiple Airlines Logo
5:15 pm - 10:45 am
IAD
-
GLA
12h 30m
1 stop
$703Multiple Airlines
Fri, May 1 - Fri, May 8
Multiple Airlines Logo
9:25 am - 7:20 pm
GLA
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
8:30 pm - 8:15 pm
IAD
-
GLA
18h 45m
2 stops
$727Multiple Airlines
Mon, May 4 - Mon, May 11
British Airways Logo
9:05 am - 3:50 pm
GLA
-
IAD
11h 45m
1 stop
British Airways Logo
5:40 pm - 10:05 am
IAD
-
GLA
11h 25m
1 stop
$731British Airways
Mon, May 4 - Mon, May 25
British Airways Logo
1:05 pm - 8:20 pm
GLA
-
IAD
12h 15m
1 stop
British Airways Logo
10:25 pm - 2:50 pm
IAD
-
GLA
11h 25m
1 stop
$733British Airways
Tue, May 19 - Mon, May 25
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
8:30 pm - 1:35 pm
IAD
-
GLA
12h 05m
1 stop
$739Icelandair
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
6:50 am - 6:32 pm
GLA
-
IAD
40h 42m
2 stops
Multiple Airlines Logo
11:20 pm - 1:35 pm
IAD
-
GLA
9h 15m
1 stop
$750Multiple Airlines
Fri, May 8 - Sun, May 17
British Airways Logo
10:45 am - 8:20 pm
GLA
-
IAD
14h 35m
1 stop
British Airways Logo
7:15 pm - 1:25 pm
IAD
-
GLA
13h 10m
1 stop
$769British Airways
Mon, May 4 - Mon, May 11

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
Apr 29
GLA2:20 pmGlasgow Intl
10h 00m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
May 3
IAD8:30 pmWashington, D.C. Dulles Intl
11h 55m
1 stop
GLA1:25 pmGlasgow Intl
$675
Icelandair
May 8
GLA2:30 pmGlasgow Intl
9h 50m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
May 17
IAD11:20 pmWashington, D.C. Dulles Intl
9h 15m
1 stop
GLA1:35 pmGlasgow Intl
$682
Icelandair
May 5
GLA2:20 pmGlasgow Intl
10h 00m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
May 12
IAD8:30 pmWashington, D.C. Dulles Intl
12h 05m
1 stop
GLA1:35 pmGlasgow Intl
$739

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
May 4
GLA9:05 amGlasgow Intl
11h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
May 25
IAD5:40 pmWashington, D.C. Dulles Intl
11h 25m
1 stop
GLA10:05 amGlasgow Intl
$731
British Airways
May 19
GLA1:05 pmGlasgow Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
May 25
IAD10:25 pmWashington, D.C. Dulles Intl
11h 25m
1 stop
GLA2:50 pmGlasgow Intl
$733
British Airways
May 4
GLA10:45 amGlasgow Intl
14h 35m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
May 11
IAD7:15 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
GLA1:25 pmGlasgow Intl
$769

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 March 22, 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

Tue 5/5

7:05 am-7:20 pm

2 stops17h 15m

Washington, D.C. Dulles Intl

Tue 5/12

8:30 pm-8:55 pm

2 stops19h 25m

$634

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 4/29

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 5/3

8:30 pm-1:25 pm

1 stop11h 55m

$675
Quickest round-trip

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 5/8

2:30 pm-7:20 pm

1 stop9h 50m

Washington, D.C. Dulles Intl

Sun 5/17

11:20 pm-1:35 pm

1 stop9h 15m

$682

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 5/1

7:25 am-3:45 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Fri 5/8

5:15 pm-10:45 am

1 stop12h 30m

$703

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 5/4

9:25 am-7:20 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Mon 5/11

8:30 pm-8:15 pm

2 stops18h 45m

$727

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 5/4

9:05 am-3:50 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Mon 5/25

5:40 pm-10:05 am

1 stop11h 25m

$731

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 5/19

1:05 pm-8:20 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Mon 5/25

10:25 pm-2:50 pm

1 stop11h 25m

$733

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 5/5

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Tue 5/12

8:30 pm-1:35 pm

1 stop12h 05m

$739

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 5/8

6:50 am-6:32 pm

2 stops40h 42m

Washington, D.C. Dulles Intl

Sun 5/17

11:20 pm-1:35 pm

1 stop9h 15m

$750

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 5/4

10:45 am-8:20 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Mon 5/11

7:15 pm-1:25 pm

1 stop13h 10m

$769

Flights are sorted by cheapest round-trip flights 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 $566. 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 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 $806 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 $685 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.
Search flight deals

  • 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 $687Free CancellationRating
7.2
1,481 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
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Linthicum Heights
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.?

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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