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$316+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GLA
May 21 — May 281
Thu 5/21
Thu 5/28
1 adult, Economy
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Cheap 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 April 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Mon 5/48:30 pm
BWI
-
GLA
1 stop11h 55m
Multiple Airlines
Tue 5/129:20 pm
GLA
-
BWI
2 stops40h 55m
Multiple Airlines
Deal found 4/20$725
This Mytrip deal was found by Cheapflights users on 4/18. 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.
Tue 6/211:00 am
DCA
-
GLA
1 stop17h 40m
Multiple Airlines
Mon 6/89:45 pm
GLA
-
DCA
3 stops41h 34m
Multiple Airlines
Deal found 4/18$725
This Mytrip deal was found by Cheapflights users on 4/20. 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.
Tue 5/269:55 am
IAD
-
GLA
1 stop18h 45m
Multiple Airlines
Wed 6/310:35 pm
GLA
-
IAD
3 stops26h 54m
Multiple Airlines
Deal found 4/20$739
This Mytrip deal was found by Cheapflights users on 4/18. 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 4/278:30 pm
IAD
-
GLA
1 stop11h 55m
Multiple Airlines
Tue 5/128:20 am
GLA
-
IAD
2 stops17h 09m
Multiple Airlines
Deal found 4/18$741
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Mon 5/48:30 pm
IAD
-
GLA
1 stop11h 55m
Multiple Airlines
Fri 5/87:25 am
GLA
-
IAD
2 stops32h 21m
Multiple Airlines
Deal found 4/18$743
This Mytrip deal was found by Cheapflights users on 4/17. 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 6/112:45 pm
DCA
-
GLA
3 stops26h 30m
Multiple Airlines
Mon 6/89:45 pm
GLA
-
DCA
2 stops29h 43m
Multiple Airlines
Deal found 4/17$755
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Wed 5/68:30 pm
BWI
-
GLA
1 stop11h 55m
Multiple Airlines
Tue 5/129:20 pm
GLA
-
BWI
2 stops40h 55m
Multiple Airlines
Deal found 4/20$757
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/38:30 pm
BWI
-
GLA
1 stop11h 55m
Multiple Airlines
Tue 5/129:20 pm
GLA
-
BWI
2 stops40h 55m
Multiple Airlines
Deal found 4/20$758
This Mytrip deal was found by Cheapflights users on 4/19. 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.
Tue 5/2611:30 am
IAD
-
GLA
1 stop17h 10m
Multiple Airlines
Tue 6/28:40 pm
GLA
-
IAD
3 stops28h 49m
Multiple Airlines
Deal found 4/19$761
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Mon 4/278:30 pm
BWI
-
GLA
1 stop11h 55m
Multiple Airlines
Tue 5/129:20 pm
GLA
-
BWI
2 stops44h 18m
Multiple Airlines
Deal found 4/18$763
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 6/211:30 am
IAD
-
GLA
1 stop17h 10m
Multiple Airlines
Wed 6/105:20 pm
GLA
-
IAD
2 stops51h 01m
Multiple Airlines
Deal found 4/18$775
This Mytrip deal was found by Cheapflights users on 4/18. 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.
Tue 6/25:15 pm
IAD
-
GLA
1 stop11h 25m
Multiple Airlines
Mon 6/89:45 pm
GLA
-
IAD
2 stops27h 44m
Multiple Airlines
Deal found 4/18$778

Find 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 April 21, 2026.

Round-trip from

$725
(Kiwi.com)

One-way from

$316
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$772
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. 16% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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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 April 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Glasgow that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sun 9/20

9:35 pm-9:25 pm

1 stop18h 50m

Glasgow Intl

Wed 9/23

3:35 pm-7:40 pm

1 stop33h 05m

$974

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sun 8/9

10:44 am-10:10 am

2 stops18h 26m

Glasgow Intl

Fri 8/14

2:00 pm-12:43 am

2 stops15h 43m

$1,008

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sun 8/2

9:35 pm-11:05 pm

1 stop20h 30m

Glasgow Intl

Fri 8/14

7:00 am-7:40 pm

1 stop17h 40m

$1,016

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sun 5/17

5:42 pm-10:10 am

1 stop11h 28m

Glasgow Intl

Fri 6/19

2:00 pm-9:00 pm

1 stop12h 00m

$1,045

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Mon 5/18

9:30 pm-2:50 pm

1 stop12h 20m

Glasgow Intl

Wed 6/17

11:50 am-7:40 pm

1 stop12h 50m

$1,045

Washington, D.C.Glasgow

DCA - GLA

DCAGLA

Washington, D.C. Reagan-National

Tue 5/19

6:05 pm-10:10 am

1 stop11h 05m

Glasgow Intl

Fri 6/19

2:00 pm-7:48 pm

1 stop10h 48m

$1,045

Washington, D.C.Glasgow

DCA - GLA

DCAGLA

Washington, D.C. Reagan-National

Mon 5/18

6:05 pm-10:10 am

1 stop11h 05m

Glasgow Intl

Fri 6/19

2:00 pm-9:53 pm

1 stop12h 53m

$1,045

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sat 8/1

9:30 pm-7:35 pm

1 stop17h 05m

Glasgow Intl

Fri 8/14

7:00 am-7:40 pm

1 stop17h 40m

$1,066

Washington, D.C.Glasgow

IAD - PIK

IADPIK

Washington, D.C. Dulles Intl

Thu 6/4

3:45 pm-5:20 pm

3 stops20h 35m

Glasgow Prestwick

Sun 6/7

4:10 pm-8:35 pm

3 stops33h 25m

$1,091

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 5/12

7:33 pm-4:10 pm

2 stops15h 37m

Glasgow Intl

Tue 5/26

4:55 pm-3:35 pm

1 stop27h 40m

$1,092

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 60 resultsSorted by cheapest first
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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 April 17, 2026.

The best time to book flights from Washington, D.C. to Glasgow is 64 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow (average of $214). Flying from Washington, D.C. to Glasgow in June is currently the most expensive (average of $572). 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 April 21, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Glasgow as you normally would.

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 April 21, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Glasgow, such as Aer Lingus,Icelandair, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,519 reviews

Boarding

7.4

Overall

7.3

Comfort

7.2

Entertainment

7.0

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.
Aer Lingus
7.3
Good
1,519 reviews
Aer Lingus
7.3
Good
1,519 reviews

Boarding

7.4

Overall

7.3

Comfort

7.2

Entertainment

7.0

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.
Icelandair
7.0
Good
637 reviews
Aer Lingus
7.3
Good
1,519 reviews

Boarding

7.4

Overall

7.3

Comfort

7.2

Entertainment

7.0

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.
British Airways
6.7
Okay
7,896 reviews
Aer Lingus
7.3
Good
1,519 reviews

Boarding

7.4

Overall

7.3

Comfort

7.2

Entertainment

7.0

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

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 15h 37m. The distance from Washington, D.C. to Glasgow is about 3426 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 $515. Other airlines that can offer you cheap pricing are British Airways, from $520, and Lufthansa, from $612. Icelandair is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow (average of $214). Flying from Washington, D.C. to Glasgow in June is currently the most expensive (average of $572). 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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Alternative routes for Washington, D.C. to Glasgow

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

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 April 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$483Average$699FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$520Average$802FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$605Average$868FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$612Average$970FlexibilityNo cancel feeOn-time76%
KLMCheapest$622Average$753FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$628Average$946FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$652Average$765FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$693Average$1,124FlexibilityNo cancel feeOn-time69%
DeltaCheapest$713Average$1,082FlexibilityNo cancel feeOn-timeN/A

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