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$254+ Cheap flights from Washington, D.C. (WAS) to Glasgow

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GLA
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Glasgow are usually found in January or February, booked 27 days in advance, depart on a Monday or Wednesday and return on a Saturday

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

Cheapest flights from Washington, D.C. to Glasgow
Explore the most affordable flight options available from Washington, D.C. to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/25. 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 12/27:40 pmBWI - GLA
1 stop9h 15mIcelandair
Tue 12/912:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 11/25$599
This Cheapflightsfares deal was found by Cheapflights users on 11/24. 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.
Sun 12/147:40 pmIAD - GLA
1 stop9h 15mIcelandair
Thu 12/1812:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 11/24$608
This KLM deal was found by Cheapflights users on 11/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:05 pmIAD - GLA
1 stop13h 40mKLM
Tue 12/95:20 pmGLA - IAD
1 stop27h 45mKLM
Deal found 11/25$614
This Delta deal was found by Cheapflights users on 11/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:03 amIAD - GLA
2 stops21h 27mDelta
Tue 12/96:05 amGLA - IAD
1 stop15h 00mDelta
Deal found 11/25$618
This Air France deal was found by Cheapflights users on 11/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:05 pmIAD - GLA
1 stop17h 30mAir France
Sun 12/76:05 amGLA - IAD
1 stop15h 00mAir France
Deal found 11/24$627
This Cheapflightsfares deal was found by Cheapflights users on 11/25. 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 12/26:20 pmIAD - GLA
1 stop10h 30mBritish Airways
Tue 12/98:55 amGLA - IAD
1 stop11h 40mBritish Airways
Deal found 11/25$645
This Cheapflightsfares deal was found by Cheapflights users on 11/24. 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.
Sun 11/3010:55 pmIAD - GLA
2 stops19h 15mLufthansa
Sun 12/712:45 pmGLA - IAD
1 stop12h 30mLufthansa
Deal found 11/24$649
This Cheapflightsfares deal was found by Cheapflights users on 11/25. 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.
Wed 11/269:45 pmIAD - GLA
1 stop10h 05mBritish Airways
Thu 1/151:45 pmGLA - IAD
1 stop11h 10mBritish Airways
Deal found 11/25$695
This Mytrip deal was found by Cheapflights users on 11/24. 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.
Sun 12/147:40 pmBWI - GLA
2 stops22h 30mMultiple Airlines
Thu 12/187:15 amGLA - BWI
2 stops16h 25mMultiple Airlines
Deal found 11/24$713
This KLM deal was found by Cheapflights users on 11/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:03 pmIAD - GLA
2 stops14h 42mKLM
Mon 12/15:20 pmGLA - IAD
1 stop27h 45mKLM
Deal found 11/23$737
This CrystalTravel deal was found by Cheapflights users on 11/24. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:40 pmBWI - GLA
1 stop9h 15mIcelandair
Thu 12/1112:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 11/24$819
This Cheapflightsfares deal was found by Cheapflights users on 11/25. 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 12/22:46 pmBWI - GLA
2 stops14h 59mBritish Airways
Tue 12/912:45 pmGLA - BWI
1 stop11h 00mBritish Airways
Deal found 11/25$834

Cheap flight deals from Washington, D.C. to Glasgow

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Glasgow (GG1). 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 November 26, 2025.

Round-trip from

$459
(Mytrip)

One-way from

$254
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$609
From Washington, D.C. (WAS) to Glasgow
Search Deals
One-way flight from Washington, D.C. (WAS) to Glasgow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($167 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Glasgow 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 November 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Glasgow that are best for you.

Fly from

Washington, D.C.

Fly to

Glasgow

Route

Depart

Return

Price

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sat 1/24

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sun 2/8

12:35 pm-6:40 pm

1 stop11h 05m

$489

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 1/9

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sun 1/25

12:35 pm-6:30 pm

1 stop10h 55m

$511

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 1/9

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Mon 1/26

12:35 pm-6:30 pm

1 stop10h 55m

$512

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 1/9

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 1/24

12:35 pm-6:30 pm

1 stop10h 55m

$512

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 1/23

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 2/7

12:35 pm-6:30 pm

1 stop10h 55m

$512

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sun 1/25

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 2/6

12:35 pm-6:30 pm

1 stop10h 55m

$512

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 1/23

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Mon 2/9

12:35 pm-6:30 pm

1 stop10h 55m

$512

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sun 1/25

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Thu 1/29

12:35 pm-6:30 pm

1 stop10h 55m

$512

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 1/27

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 2/6

12:35 pm-6:30 pm

1 stop10h 55m

$512

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Wed 1/28

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sun 2/8

12:35 pm-6:40 pm

1 stop11h 05m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Glasgow

Have a flexible travel schedule? Discover the best time to fly to Glasgow from Washington, D.C. 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 Washington, D.C. to Glasgow

How far ahead should I book a flight from Washington, D.C. to Glasgow?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Glasgow. Price data was last updated on November 21, 2025.

The best time to book flights from Washington, D.C. to Glasgow is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow (average of $467). Flying from Washington, D.C. to Glasgow in July is currently the most expensive (average of $625). 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.

What is the cheapest time of day to fly from WAS to GLA?

Find hourly flight availability from Washington, D.C. to Glasgow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

It’s optimal to fly from Washington, D.C. to Glasgow in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Glasgow

Get insights into the airlines that provide service to Glasgow. 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 Glasgow. Reviews last updated November 26, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Glasgow, such as Aer Lingus, Icelandair, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,381 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.4

Crew

8.0

Comfort

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
Aer Lingus
7.2
Good
1,381 reviews
Aer Lingus
7.2
Good
1,381 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.4

Crew

8.0

Comfort

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
Icelandair
7.0
Good
581 reviews
Aer Lingus
7.2
Good
1,381 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.4

Crew

8.0

Comfort

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
Lufthansa
6.8
Okay
7,594 reviews
Aer Lingus
7.2
Good
1,381 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.4

Crew

8.0

Comfort

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
British Airways
6.7
Okay
7,539 reviews
Aer Lingus
7.2
Good
1,381 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.4

Crew

8.0

Comfort

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Glasgow. 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 Washington, D.C. to Glasgow?

    Departing from Washington, D.C. to Glasgow will take you 9h 15m. The distance from Washington, D.C. to Glasgow is about 3386 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. to Glasgow round-trip?

    Cheapflights users have booked flights from Washington, D.C. to Glasgow round-trip from $496. Other airlines that can offer you cheap pricing are British Airways, from $574, and Aer Lingus, from $716. Icelandair is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Glasgow one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $255. However, be on the lookout for offers from Icelandair and American Airlines, as they are both options that can get you from Washington, D.C. to Glasgow for a low price.

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

    While some choose either Washington, D.C. Reagan-National - Glasgow Intl or Baltimore/Washington - Glasgow Intl, Washington, D.C. Dulles Intl - Glasgow Intl is the most popular route from Washington, D.C. to Glasgow.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Glasgow 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 Washington, D.C. to Glasgow?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow (average of $467). Flying from Washington, D.C. to Glasgow in July is currently the most expensive (average of $625). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Washington, D.C. to Glasgow

Discover the top 9 airlines that operate flights from Washington, D.C. to Glasgow. 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$494Average$690FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$574Average$767FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$617Average$942FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$629Average$841FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$652Average$794FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$693Average$1,142FlexibilityNo cancel feeOn-time69%
DeltaCheapest$715Average$1,193FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$860Average$1,324FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$920Average$990FlexibilityNo cancel feeOn-time71%

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