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Washington, D.C.

$382+ Cheap flights from Glasgow Intl (GLA) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — WAS
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Cheap flight deals from Glasgow Intl to Washington, D.C.

Cheapest flights from Glasgow Intl to Washington, D.C.
Explore the most affordable flight options available from Glasgow Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/227:25 am
GLA
-
IAD
1 stop17h 05m
Multiple Airlines
Sun 3/298:40 pm
IAD
-
GLA
1 stop11h 30m
Multiple Airlines
Deal found 2/5$737
This Mytrip deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/129:25 pm
GLA
-
IAD
2 stops28h 35m
Multiple Airlines
Wed 2/257:40 pm
IAD
-
GLA
1 stop9h 15m
Multiple Airlines
Deal found 2/4$766
This The Travel House deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Mon 7/68:30 pm
IAD
-
GLA
1 stop11h 55m
Icelandair
Deal found 2/6$776
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/128:20 am
GLA
-
IAD
1 stop12h 15m
Aer Lingus
Wed 2/255:05 pm
IAD
-
GLA
1 stop9h 45m
Aer Lingus
Deal found 2/4$783
This Cheapflightsfares deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Sun 7/511:20 pm
IAD
-
GLA
1 stop9h 05m
Icelandair
Deal found 2/4$793
This Cheapflightsfares deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Sat 5/308:30 pm
IAD
-
GLA
1 stop11h 55m
Icelandair
Deal found 2/5$794
This Icelandair deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Tue 7/288:30 pm
IAD
-
GLA
1 stop11h 55m
Icelandair
Deal found 2/5$819
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/108:25 am
GLA
-
IAD
1 stop12h 10m
Multiple Airlines
Tue 2/175:05 pm
IAD
-
GLA
1 stop9h 15m
Multiple Airlines
Deal found 2/5$829
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:15 am
GLA
-
BWI
2 stops16h 25m
Multiple Airlines
Wed 2/257:40 pm
BWI
-
GLA
1 stop9h 15m
Multiple Airlines
Deal found 2/4$831
This Icelandair deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/132:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Sun 8/211:20 pm
IAD
-
GLA
1 stop9h 05m
Icelandair
Deal found 2/5$953
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:20 pm
GLA
-
BWI
2 stops22h 12m
Multiple Airlines
Thu 7/3011:20 pm
BWI
-
GLA
1 stop9h 05m
Multiple Airlines
Deal found 2/5$960
This Gotogate deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Thu 7/98:30 pm
IAD
-
GLA
1 stop11h 55m
Icelandair
Deal found 2/3$967

Find flight deals from Glasgow Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$737
(Kiwi.com)

One-way from

$382
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$701
Provider with most accurate pricing for Glasgow Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Glasgow Intl-Washington, D.C. (WAS) flights.
Search Deals
From Glasgow Intl to Washington, D.C. (WAS)
Search Deals
One-way flight from Glasgow Intl to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Glasgow Intl 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, Cheapflights users made 2,558,603 searches. Data last updated February 6, 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Washington, D.C. that are best for you.

Fly from

Glasgow Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 7/2

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Mon 7/6

8:30 pm-1:25 pm

1 stop11h 55m

$776

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 6/30

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Fri 7/31

11:20 pm-1:25 pm

1 stop9h 05m

$793

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 6/30

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 7/5

11:20 pm-1:25 pm

1 stop9h 05m

$793

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sat 5/16

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sat 5/30

8:30 pm-1:25 pm

1 stop11h 55m

$794

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 7/14

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Thu 7/30

8:30 pm-1:25 pm

1 stop11h 55m

$819

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 7/14

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 8/2

11:20 pm-1:25 pm

1 stop9h 05m

$819

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 7/14

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Mon 7/27

8:30 pm-1:25 pm

1 stop11h 55m

$819

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 7/14

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Tue 7/28

8:30 pm-1:25 pm

1 stop11h 55m

$819

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 7/13

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Wed 7/29

11:20 pm-1:25 pm

1 stop9h 05m

$953

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 7/13

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Fri 7/31

11:20 pm-1:25 pm

1 stop9h 05m

$953

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 53 results
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  • Most accurate provider: When it comes to deals on Glasgow Intl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Glasgow Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Glasgow Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Glasgow Intl Airport-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Glasgow Intl Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Glasgow Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Glasgow Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Glasgow Intl Airport to Washington, D.C.

What is the cheapest month to book a flight from Glasgow Intl Airport to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Washington, D.C. (average of $566). Flying from Glasgow Intl Airport to Washington, D.C. in July is currently the most expensive (average of $789). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated February 6, 2026.
See what other customers who have flown with Aer Lingus from Glasgow Intl Airport to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,445 reviews

Entertainment

6.9

Comfort

7.1

Crew

8.0

Food

6.6

Overall

7.2

Boarding

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

MAN - DUB

They did not list a gate until it was time to board.
Aer Lingus
7.2
Good
1,445 reviews
Aer Lingus
7.2
Good
1,445 reviews

Entertainment

6.9

Comfort

7.1

Crew

8.0

Food

6.6

Overall

7.2

Boarding

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

MAN - DUB

They did not list a gate until it was time to board.

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Glasgow Intl Airport to Washington, D.C.?

    Airlines like Icelandair and Delta fly from Glasgow Intl Airport to Washington, D.C. in about 10h. The time it takes to get you to your destination can typically vary by up to 6h 59m. The distance from Glasgow Intl Airport to Washington, D.C. is about 3426 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Glasgow Intl Airport to Washington, D.C. round-trip?

    According to our current data, Aer Lingus ($802), offers the cheapest pricing from Glasgow Intl Airport to Washington, D.C.. Users have found that Aer Lingus is 7% cheaper than the other options available to this destination.

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

    The most popular route from Glasgow Intl Airport to Washington, D.C. is Glasgow Intl - Washington, D.C. Dulles Intl. You may also consider Glasgow Intl - Baltimore/Washington or Glasgow Intl - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Glasgow Intl to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to Washington, D.C..

  • Can I find deals for business class flights from Glasgow Intl to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Glasgow Intl to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Glasgow Intl Airport to Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Washington, D.C. (average of $566). Flying from Glasgow Intl Airport to Washington, D.C. in July is currently the most expensive (average of $789). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Glasgow Intl to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Glasgow Intl to Dulles Intl flights
Glasgow Intl to Reagan-National flights

Top airline flying from Glasgow Intl to Washington, D.C.

Discover the top airline that operate flights from Glasgow Intl to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$802Average$965FlexibilityNo cancel feeOn-timeN/A

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