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Cheap flights from Glasgow Intl Airport to Washington, D.C. from $438

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 1/7. 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
7:15 am - 6:30 pmGLA-IAD
16h 15m2 stops
Multiple Airlines Logo
7:40 pm - 8:20 pmIAD-GLA
19h 40m2 stops
$500Multiple Airlines
Find Deal
Thu, Dec 11 - Tue, Dec 16
Multiple Airlines Logo
7:15 am - 6:30 pmGLA-IAD
16h 15m2 stops
Multiple Airlines Logo
7:40 pm - 8:20 pmIAD-GLA
19h 40m2 stops
$513Multiple Airlines
Find Deal
Thu, Dec 11 - Tue, Dec 16
Icelandair Logo
12:35 pm - 6:30 pmGLA-IAD
10h 55m1 stop
Icelandair Logo
7:40 pm - 9:55 amIAD-GLA
9h 15m1 stop
$668Icelandair
Find Deal
Sat, Feb 28 - Thu, Mar 5
Aer Lingus Logo
8:20 am - 3:35 pmGLA-IAD
12h 15m1 stop
Aer Lingus Logo
9:00 pm - 4:00 pmIAD-GLA
14h 00m1 stop
$689Aer Lingus
Find Deal
Tue, Nov 11 - Tue, Nov 18
Aer Lingus Logo
8:20 am - 4:35 pmGLA-IAD
12h 15m1 stop
Aer Lingus Logo
9:00 pm - 11:30 amIAD-GLA
9h 30m1 stop
$691Aer Lingus
Find Deal
Wed, Oct 29 - Wed, Nov 12
Icelandair Logo
12:35 pm - 6:30 pmGLA-IAD
10h 55m1 stop
Icelandair Logo
7:40 pm - 9:55 amIAD-GLA
9h 15m1 stop
$754Icelandair
Find Deal
Thu, Nov 6 - Sat, Nov 15
Delta Logo
6:05 am - 6:59 pmGLA-DCA
17h 54m2 stops
Delta Logo
5:30 pm - 12:45 pmDCA-GLA
14h 15m2 stops
$913Delta
Find Deal
Tue, Nov 11 - Tue, Nov 18
British Airways Logo
9:50 am - 6:45 pmGLA-BWI
13h 55m1 stop
British Airways Logo
8:35 pm - 2:35 pmBWI-GLA
13h 00m1 stop
$916British Airways
Find Deal
Tue, Nov 11 - Tue, Nov 18
British Airways Logo
12:45 pm - 6:45 pmGLA-BWI
11h 00m1 stop
British Airways Logo
8:35 pm - 12:50 pmBWI-GLA
11h 15m1 stop
$932British Airways
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Wed, Nov 26 - Wed, Dec 3
Delta Logo
6:05 am - 11:33 pmGLA-DCA
22h 28m2 stops
Delta Logo
10:35 am - 9:55 amDCA-GLA
18h 20m2 stops
$961Delta
Find Deal
Sun, Jan 18 - Mon, Jan 26

Aer Lingus flights from Glasgow Intl Airport to Washington, D.C.

Our best Aer Lingus deals on Glasgow Intl Airport to Washington, D.C. flight tickets
Aer Lingus
Nov 11
GLA8:20 amGlasgow Intl
12h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Nov 18
IAD9:00 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
GLA4:00 pmGlasgow Intl
$689
Find similar
Aer Lingus
Oct 23
GLA8:35 amGlasgow Intl
12h 15m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 8
IAD5:05 pmWashington, D.C. Dulles Intl
9h 45m
1 stop
GLA7:50 amGlasgow Intl
$690
Find similar
Aer Lingus
Oct 29
GLA8:20 amGlasgow Intl
12h 15m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Nov 12
IAD9:00 pmWashington, D.C. Dulles Intl
9h 30m
1 stop
GLA11:30 amGlasgow Intl
$691
Find similar

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

Our best Icelandair deals on Glasgow Intl Airport to Washington, D.C. flight tickets
Icelandair
Feb 28
GLA12:35 pmGlasgow Intl
10h 55m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 5
IAD7:40 pmWashington, D.C. Dulles Intl
9h 15m
1 stop
GLA9:55 amGlasgow Intl
$668
Find similar
Icelandair
Nov 6
GLA12:35 pmGlasgow Intl
10h 55m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Nov 15
IAD7:40 pmWashington, D.C. Dulles Intl
9h 15m
1 stop
GLA9:55 amGlasgow Intl
$754
Find similar
Icelandair
Nov 11
GLA12:35 pmGlasgow Intl
10h 55m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Nov 18
IAD7:40 pmWashington, D.C. Dulles Intl
9h 15m
1 stop
GLA9:55 amGlasgow Intl
$762
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Glasgow Intl Airport to Washington, D.C. 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 October 14, 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 12/11

7:15 am-6:30 pm

2 stops16h 15m

Washington, D.C. Dulles Intl

Tue 12/16

7:40 pm-8:20 pm

2 stops19h 40m

$500

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 12/11

7:15 am-6:30 pm

2 stops16h 15m

Washington, D.C. Dulles Intl

Tue 12/16

7:40 pm-8:20 pm

2 stops19h 40m

$513

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sat 2/28

12:35 pm-6:30 pm

1 stop10h 55m

Washington, D.C. Dulles Intl

Thu 3/5

7:40 pm-9:55 am

1 stop9h 15m

$668

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 11/11

8:20 am-3:35 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Tue 11/18

9:00 pm-4:00 pm

1 stop14h 00m

$689

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 10/29

8:20 am-4:35 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Wed 11/12

9:00 pm-11:30 am

1 stop9h 30m

$691

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 11/6

12:35 pm-6:30 pm

1 stop10h 55m

Washington, D.C. Dulles Intl

Sat 11/15

7:40 pm-9:55 am

1 stop9h 15m

$754

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Tue 11/11

6:05 am-6:59 pm

2 stops17h 54m

Washington, D.C. Reagan-National

Tue 11/18

5:30 pm-12:45 pm

2 stops14h 15m

$913

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Tue 11/11

9:50 am-6:45 pm

1 stop13h 55m

Baltimore/Washington

Tue 11/18

8:35 pm-2:35 pm

1 stop13h 00m

$916

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Wed 11/26

12:45 pm-6:45 pm

1 stop11h 00m

Baltimore/Washington

Wed 12/3

8:35 pm-12:50 pm

1 stop11h 15m

$932

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Sun 1/18

6:05 am-11:33 pm

2 stops22h 28m

Washington, D.C. Reagan-National

Mon 1/26

10:35 am-9:55 am

2 stops18h 20m

$961

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.

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.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Glasgow Intl Airport, with most prices found around $687. If you’re not able to fly to Washington, D.C. in February, then March is your next best option. Flight prices from Glasgow Intl Airport to Washington, D.C. during March average around $741.

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

On average, the least expensive day to fly to Washington, D.C. from Glasgow Intl Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $589. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Glasgow Intl Airport to Washington, D.C. for around $968.

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

In the morning is the cheapest time of day to fly from Glasgow Intl Airport to Washington, D.C. when you can find flight prices for as low as $784. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $858. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $818 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Glasgow Intl Airport for as low as $656 on momondo.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to Washington, D.C. 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. (GLA to WAS) flight deals and tips

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

Direct flights

None
There are no direct flights from Glasgow Intl Airport to Washington, D.C.. There are no popular flight routes from Glasgow Intl Airport to Washington, D.C..
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  • How far is Glasgow Intl to Washington, D.C. by plane?

    Washington, D.C. is 3412.6 mi away from Glasgow Intl. By plane, this route typically takes 10h 55m.

  • When did momondo last update prices for flights from Glasgow Intl Airport to Washington, D.C.?

    Prices for flights from Glasgow Intl Airport to Washington, D.C. refresh daily.

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

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

    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..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Glasgow Intl Airport to Washington, D.C.?

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

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $751Free CancellationRating
7.2
1,336 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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Fairfax
Reston
Gaithersburg
Glen Burnie
Linthicum Heights
Springfield

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?

momondo does allow users to show only those flights to Washington, D.C. from Glasgow which offer a flexible booking policy as well as other useful filters and features.

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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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport