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$263+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GLA
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
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 March 21, 2026.

This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:20 pm
IAD
-
GLA
1 stop9h 05m
Icelandair
Sun 10/182:20 pm
GLA
-
IAD
1 stop12h 55m
Icelandair
Deal found 3/17$589
This oojo deal was found by Cheapflights users on 3/16. 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.
Thu 10/18:30 pm
IAD
-
GLA
1 stop11h 55m
Icelandair
Mon 10/122:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Deal found 3/16$591
This oojo deal was found by Cheapflights users on 3/16. 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.
Sat 10/38:30 pm
BWI
-
GLA
1 stop11h 55m
Icelandair
Wed 10/72:20 pm
GLA
-
BWI
1 stop10h 05m
Icelandair
Deal found 3/16$591
This Gotogate deal was found by Cheapflights users on 3/16. 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.
Mon 9/78:30 pm
IAD
-
GLA
1 stop11h 55m
Icelandair
Mon 9/142:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Deal found 3/16$592
This Gotogate deal was found by Cheapflights users on 3/16. 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.
Mon 9/78:30 pm
BWI
-
GLA
1 stop11h 55m
Icelandair
Mon 9/142:20 pm
GLA
-
BWI
1 stop10h 05m
Icelandair
Deal found 3/16$592
This FlightHub deal was found by Cheapflights users on 3/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:30 pm
BWI
-
GLA
1 stop11h 55m
Icelandair
Sun 11/111:55 am
GLA
-
BWI
1 stop11h 45m
Icelandair
Deal found 3/17$593
This FlightHub deal was found by Cheapflights users on 3/17. 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 FlightHub 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
Icelandair
Wed 5/62:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Deal found 3/17$600
This FlightHub deal was found by Cheapflights users on 3/17. 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 FlightHub 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
Icelandair
Tue 5/52:20 pm
GLA
-
BWI
1 stop10h 05m
Icelandair
Deal found 3/17$600
This CrystalTravel deal was found by Cheapflights users on 3/16. 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.
Wed 8/198:30 pm
IAD
-
GLA
1 stop11h 55m
Icelandair
Sat 8/292:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Deal found 3/16$601
This Mytrip deal was found by Cheapflights users on 3/16. 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 5/38:30 pm
BWI
-
GLA
1 stop11h 55m
Icelandair
Wed 5/132:30 pm
GLA
-
BWI
1 stop9h 55m
Icelandair
Deal found 3/16$601
This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:30 pm
IAD
-
GLA
1 stop11h 55m
Icelandair
Tue 9/82:20 pm
GLA
-
IAD
1 stop10h 00m
Icelandair
Deal found 3/17$603
This Gotogate deal was found by Cheapflights users on 3/16. 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.
Fri 9/118:30 pm
BWI
-
GLA
1 stop11h 55m
Icelandair
Tue 9/222:20 pm
GLA
-
BWI
1 stop10h 05m
Icelandair
Deal found 3/16$604

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 March 21, 2026.

Round-trip from

$600
(FlightHub)

One-way from

$263
(oojo)

Popular in

June

Cheapest in

November

Average price

$672
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. 17% potential increase in price ($160 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 March 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 March 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

Washington, D.C.Glasgow

IAD - PIK

IADPIK

Washington, D.C. Dulles Intl

Sat 4/25

8:20 pm-11:35 pm

2 stops22h 15m

Glasgow Prestwick

Thu 4/30

3:35 pm-5:00 pm

2 stops30h 25m

$667

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Mon 5/18

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Thu 5/28

2:20 pm-10:15 pm

1 stop12h 55m

$835

Washington, D.C.Glasgow

IAD - PIK

IADPIK

Washington, D.C. Dulles Intl

Thu 4/9

1:20 pm-5:20 pm

2 stops23h 00m

Glasgow Prestwick

Tue 4/14

12:50 pm-11:35 am

2 stops27h 45m

$881

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Wed 5/13

12:00 pm-8:25 am

2 stops15h 25m

Glasgow Intl

Mon 5/18

9:10 am-11:46 pm

2 stops19h 36m

$887

Washington, D.C.Glasgow

DCA - GLA

DCAGLA

Washington, D.C. Reagan-National

Sun 5/3

11:00 am-6:50 am

1 stop14h 50m

Glasgow Intl

Wed 5/13

7:45 am-9:55 pm

3 stops19h 10m

$902

Washington, D.C.Glasgow

IAD - PIK

IADPIK

Washington, D.C. Dulles Intl

Sun 4/12

9:00 pm-12:30 am

2 stops22h 30m

Glasgow Prestwick

Sun 5/17

6:00 am-7:00 pm

2 stops18h 00m

$916

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 4/9

5:40 pm-4:10 pm

1 stop17h 30m

Glasgow Intl

Wed 4/15

6:00 am-3:35 pm

1 stop14h 35m

$922

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 4/2

6:00 am-8:25 am

2 stops21h 25m

Glasgow Intl

Wed 4/8

9:10 am-3:35 pm

1 stop11h 25m

$925

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 4/9

1:19 pm-8:25 am

2 stops14h 06m

Glasgow Intl

Wed 4/15

9:10 am-3:35 pm

1 stop11h 25m

$927

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 4/16

5:40 pm-4:10 pm

1 stop17h 30m

Glasgow Intl

Wed 4/22

6:00 am-11:32 pm

2 stops22h 32m

$931

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

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 March 13, 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow (average of $480). Flying from Washington, D.C. to Glasgow in July is currently the most expensive (average of $622). 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 March 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.

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 March 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
7.2
Good
1,481 reviews

Comfort

7.1

Overall

7.2

Boarding

7.4

Crew

8.1

Entertainment

7.0

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
7.2
Good
1,481 reviews
Aer Lingus
7.2
Good
1,481 reviews

Comfort

7.1

Overall

7.2

Boarding

7.4

Crew

8.1

Entertainment

7.0

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
625 reviews
Aer Lingus
7.2
Good
1,481 reviews

Comfort

7.1

Overall

7.2

Boarding

7.4

Crew

8.1

Entertainment

7.0

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
7,806 reviews
Aer Lingus
7.2
Good
1,481 reviews

Comfort

7.1

Overall

7.2

Boarding

7.4

Crew

8.1

Entertainment

7.0

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 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 $508. Other airlines that can offer you cheap pricing are British Airways, from $523, 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow (average of $480). Flying from Washington, D.C. to Glasgow in July is currently the most expensive (average of $622). 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 March 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$483Average$672FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$523Average$778FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$612Average$926FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$617Average$868FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$621Average$904FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$652Average$755FlexibilityNo cancel feeOn-time77%
DeltaCheapest$715Average$1,193FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$740Average$1,109FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$920Average$990FlexibilityNo cancel feeOn-time71%

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