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$270+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GLA
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Glasgow are usually found in February or November, booked 27 days in advance, depart on a Monday or Wednesday and return on a Saturday

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 August 28, 2025.

Round-trip from

$487
(Booking.com)

One-way from

$270
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$712
From Washington, D.C. (WAS) to Glasgow
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One-way flight from Washington, D.C. (WAS) to Glasgow
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Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 28, 2025.

This Booking.com deal was found by Cheapflights users on 8/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:30 pmBWI - GLA
1 stop11h 55mIcelandair
Wed 10/222:20 pmGLA - BWI
1 stop10h 05mIcelandair
Deal found 8/28$487
This oojo deal was found by Cheapflights users on 8/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:40 pmIAD - GLA
1 stop9h 15mIcelandair
Fri 12/1211:05 amGLA - IAD
1 stop12h 25mIcelandair
Deal found 8/28$490
This oojo deal was found by Cheapflights users on 8/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:40 pmBWI - GLA
1 stop9h 15mIcelandair
Fri 12/1211:05 amGLA - BWI
1 stop12h 35mIcelandair
Deal found 8/28$490
This PLAY deal was found by Cheapflights users on 8/25. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:50 pmBWI - GLA
2 stops23h 30mMultiple Airlines
Wed 9/247:00 amGLA - BWI
2 stops15h 40mMultiple Airlines
Deal found 8/25$506
This Mytrip deal was found by Cheapflights users on 8/27. 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.
Mon 10/68:30 pmBWI - GLA
1 stop11h 55mIcelandair
Thu 10/162:20 pmGLA - BWI
1 stop10h 05mIcelandair
Deal found 8/27$523
This FlightHub deal was found by Cheapflights users on 8/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:40 pmIAD - GLA
1 stop9h 15mIcelandair
Mon 11/1712:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 8/28$524
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:40 pmIAD - GLA
1 stop9h 15mIcelandair
Sun 11/2312:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 8/26$525
This oojo deal was found by Cheapflights users on 8/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:30 pmBWI - GLA
1 stop11h 55mIcelandair
Wed 10/152:20 pmGLA - BWI
1 stop10h 05mIcelandair
Deal found 8/28$525
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:40 pmIAD - GLA
1 stop9h 15mIcelandair
Sat 12/612:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 8/26$527
This PLAY deal was found by Cheapflights users on 8/28. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:50 pmBWI - GLA
2 stops22h 55mMultiple Airlines
Wed 10/157:00 amGLA - BWI
2 stops15h 40mMultiple Airlines
Deal found 8/28$527
This Mytrip deal was found by Cheapflights users on 8/27. 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.
Fri 9/266:50 pmBWI - GLA
2 stops15h 20mMultiple Airlines
Fri 10/310:45 pmGLA - BWI
2 stops23h 55mMultiple Airlines
Deal found 8/27$530
This SmartFares deal was found by Cheapflights users on 8/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:30 pmIAD - GLA
1 stop11h 55mIcelandair
Wed 10/222:20 pmGLA - IAD
1 stop10h 00mIcelandair
Deal found 8/28$537

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 August 28, 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

Mon 10/6

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Wed 10/22

2:20 pm-7:25 pm

1 stop10h 05m

$487

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Tue 9/16

6:50 pm-11:20 pm

2 stops23h 30m

Glasgow Intl

Wed 9/24

7:00 am-5:40 pm

2 stops15h 40m

$506

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Mon 10/6

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Thu 10/16

2:20 pm-7:25 pm

1 stop10h 05m

$523

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 11/4

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Mon 11/17

12:35 pm-6:30 pm

1 stop10h 55m

$524

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 11/4

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sun 11/23

12:35 pm-6:30 pm

1 stop10h 55m

$525

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Mon 10/6

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Wed 10/15

2:20 pm-7:25 pm

1 stop10h 05m

$525

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Mon 10/6

6:50 pm-10:45 pm

2 stops22h 55m

Glasgow Intl

Wed 10/15

7:00 am-5:40 pm

2 stops15h 40m

$527

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Fri 9/26

6:50 pm-3:10 pm

2 stops15h 20m

Glasgow Intl

Fri 10/3

10:45 pm-5:40 pm

2 stops23h 55m

$530

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 10/6

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Wed 10/22

2:20 pm-7:20 pm

1 stop10h 00m

$537

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 11/3

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Mon 11/17

12:35 pm-6:30 pm

1 stop10h 55m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

Showing 1-10 of 53 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 August 22, 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow (average of $664). Flying from Washington, D.C. to Glasgow in June is currently the most expensive (average of $1,156). 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 August 28, 2025.

It’s optimal to fly from Washington, D.C. to Glasgow in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Washington, D.C. to Glasgow?

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 August 28, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Glasgow, such as American Airlines, Aer Lingus, and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
Aer Lingus
7.2
Good
1,240 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
Icelandair
7.0
Good
537 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
Lufthansa
6.8
Okay
7,368 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
British Airways
6.7
Okay
7,316 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

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 11h 55m. 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 $497. Other airlines that can offer you cheap pricing are British Airways, from $573, and Aer Lingus, from $627. 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 Icelandair, with whom users have recently found tickets for as low as $340. However, be on the lookout for offers from American Airlines and British Airways, 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow (average of $664). Flying from Washington, D.C. to Glasgow in June is currently the most expensive (average of $1,156). 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

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Top 8 airlines flying from Washington, D.C. to Glasgow

Discover the top 8 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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$484Average$633FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$573Average$758FlexibilityNo cancel feeOn-time70%
DeltaCheapest$584Average$948FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$590Average$862FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$605Average$942FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$627Average$860FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$659Average$1,054FlexibilityNo cancel feeOn-time69%
KLMCheapest$667Average$886FlexibilityNo cancel feeOn-time75%

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