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$308+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GLA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
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 29 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 2, 2025.

This Mytrip deal was found by Cheapflights users on 10/31. 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 12/77:40 pmBWI - GLA
2 stops19h 25mMultiple Airlines
Sat 12/137:20 amGLA - BWI
2 stops16h 20mMultiple Airlines
Deal found 10/31$502
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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.
Fri 11/287:40 pmIAD - GLA
1 stop9h 15mIcelandair
Fri 12/512:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 11/1$503
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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.
Fri 11/287:40 pmBWI - GLA
1 stop9h 15mIcelandair
Fri 12/512:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 11/1$503
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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 11/127:40 pmIAD - GLA
1 stop9h 15mIcelandair
Wed 11/1912:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/31$504
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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 11/127:40 pmBWI - GLA
1 stop9h 15mIcelandair
Wed 11/1912:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 10/31$504
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 12/67:40 pmBWI - GLA
1 stop9h 15mIcelandair
Mon 12/1512:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 11/2$514
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 12/67:40 pmIAD - GLA
1 stop9h 15mIcelandair
Mon 12/1512:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 11/2$521
This oojo deal was found by Cheapflights users on 11/1. 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 12/17:40 pmIAD - GLA
1 stop9h 15mIcelandair
Tue 12/1612:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 11/1$522
This oojo deal was found by Cheapflights users on 11/1. 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 12/17:40 pmBWI - GLA
1 stop9h 15mIcelandair
Tue 12/1612:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 11/1$522
This CrystalTravel deal was found by Cheapflights users on 10/31. 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.
Sun 12/77:40 pmBWI - GLA
1 stop9h 15mIcelandair
Sat 12/1312:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 10/31$551
This oojo deal was found by Cheapflights users on 10/31. 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 12/167:40 pmIAD - GLA
1 stop9h 15mIcelandair
Sat 1/1012:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/31$565
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 pmIAD - GLA
1 stop9h 15mIcelandair
Wed 12/1012:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 11/1$572

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 2, 2025.

Round-trip from

$471
(CrystalTravel)

One-way from

$308
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$637
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. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 2, 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

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sun 1/11

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 1/17

12:35 pm-6:30 pm

1 stop10h 55m

$503

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sat 1/17

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Wed 1/21

12:35 pm-6:40 pm

1 stop11h 05m

$503

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sun 1/18

7:40 pm-8:05 pm

2 stops19h 25m

Glasgow Intl

Sat 1/24

10:30 pm-6:40 pm

2 stops25h 10m

$510

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sat 1/17

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 5/8

2:20 pm-7:25 pm

1 stop10h 05m

$527

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sun 12/7

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 12/13

12:35 pm-6:40 pm

1 stop11h 05m

$551

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 12/16

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 1/10

12:35 pm-6:30 pm

1 stop10h 55m

$565

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 12/1

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Tue 12/16

12:35 pm-6:30 pm

1 stop10h 55m

$589

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Tue 12/2

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Wed 12/10

12:35 pm-6:40 pm

1 stop11h 05m

$594

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sat 1/17

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 5/8

2:20 pm-7:20 pm

1 stop10h 00m

$613

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Wed 11/5

6:05 pm-12:45 pm

1 stop13h 40m

Glasgow Intl

Fri 11/21

6:05 am-4:05 pm

1 stop15h 00m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 55 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 October 31, 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 2, 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 2, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Glasgow, such as Delta, Aer Lingus, and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Aer Lingus
7.2
Good
1,365 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Icelandair
7.1
Good
566 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Lufthansa
6.8
Okay
7,544 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
British Airways
6.7
Okay
7,494 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 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 $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 Icelandair, with whom users have recently found tickets for as low as $372. However, be on the lookout for offers from Delta and KLM, 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 Baltimore/Washington - Glasgow Intl or Washington, D.C. Reagan-National - 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

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Top 10 airlines flying from Washington, D.C. to Glasgow

Discover the top 10 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$494Average$696FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$574Average$769FlexibilityNo cancel feeOn-time70%
KLMCheapest$591Average$859FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$617Average$942FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$628Average$834FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$652Average$807FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$693Average$1,015FlexibilityNo cancel feeOn-time69%
DeltaCheapest$715Average$1,156FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$860Average$1,206FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$920Average$991FlexibilityNo cancel feeOn-time71%

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