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$238+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GLA
May 5 — May 121
Mon 5/5
Mon 5/12
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 67 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 April 30, 2025.

Round-trip from

$568

One-way from

$238
(oojo)

Popular in

June

Cheapest in

February

Average price

$677
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. 18% potential increase in price ($171 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This CrystalTravel deal was found by Cheapflights users on 4/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:30 pmBWI - GLA
1 stop11h 55mIcelandair
Tue 8/262:20 pmGLA - BWI
1 stop10h 05mIcelandair
Deal found 4/28$544
This CrystalTravel deal was found by Cheapflights users on 4/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:15 pmIAD - GLA
1 stop9h 10mIcelandair
Tue 8/262:20 pmGLA - IAD
1 stop12h 50mIcelandair
Deal found 4/28$590
This PLAY deal was found by Cheapflights users on 4/29. 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.
Fri 9/266:50 pmBWI - GLA
2 stops14h 10mMultiple Airlines
Thu 10/28:35 amGLA - BWI
2 stops14h 05mMultiple Airlines
Deal found 4/29$591
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:20 pmBWI - GLA
1 stop14h 20mAmerican Airlines
Sun 10/197:35 amGLA - BWI
1 stop17h 00mAmerican Airlines
Deal found 4/29$608
This Iberia deal was found by Cheapflights users on 4/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:20 pmBWI - GLA
1 stop18h 00mIberia
Sun 9/215:55 amGLA - BWI
1 stop18h 40mIberia
Deal found 4/29$617
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/110:40 pmIAD - GLA
1 stop13h 00mBritish Airways
Sun 8/3112:05 pmGLA - IAD
1 stop13h 10mBritish Airways
Deal found 4/28$624
This oojo deal was found by Cheapflights users on 4/29. 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.
Sun 5/47:55 pmDCA - GLA
2 stops15h 45mBritish Airways
Mon 5/193:25 pmGLA - DCA
2 stops36h 11mBritish Airways
Deal found 4/29$646
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/109:20 pmBWI - GLA
1 stop11h 00mBritish Airways
Sun 5/188:25 pmGLA - BWI
1 stop28h 10mBritish Airways
Deal found 4/28$650
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:40 pmIAD - GLA
1 stop13h 00mAmerican Airlines
Mon 5/195:50 amGLA - IAD
2 stops16h 06mAmerican Airlines
Deal found 4/29$655
This Travelocity deal was found by Cheapflights users on 4/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:10 pmIAD - GLA
1 stop13h 10mMultiple Airlines
Wed 5/216:10 amGLA - IAD
2 stops19h 58mMultiple Airlines
Deal found 4/29$667
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:00 pmDCA - GLA
2 stops14h 50mAmerican Airlines
Fri 5/238:55 amGLA - DCA
2 stops16h 04mAmerican Airlines
Deal found 4/28$673
This KLM deal was found by Cheapflights users on 4/29. 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.
Tue 4/295:25 pmIAD - GLA
1 stop24h 45mKLM
Tue 5/136:00 amGLA - IAD
1 stop14h 35mKLM
Deal found 4/29$678

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 30, 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 5/5

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Fri 5/9

2:25 pm-7:25 pm

1 stop10h 00m

$568

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 5/13

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Wed 5/21

2:25 pm-10:10 pm

1 stop12h 45m

$598

Washington, D.C.Glasgow

DCA - GLA

DCAGLA

Washington, D.C. Reagan-National

Sun 5/4

7:55 pm-4:40 pm

2 stops15h 45m

Glasgow Intl

Mon 5/19

3:25 pm-10:36 pm

2 stops36h 11m

$646

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sat 5/10

9:20 pm-1:20 pm

1 stop11h 00m

Glasgow Intl

Sun 5/18

8:25 pm-7:35 pm

1 stop28h 10m

$650

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sun 5/4

10:40 pm-4:40 pm

1 stop13h 00m

Glasgow Intl

Mon 5/19

5:50 am-4:56 pm

2 stops16h 06m

$655

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 5/13

6:10 pm-12:20 pm

1 stop13h 10m

Glasgow Intl

Wed 5/21

6:10 am-9:08 pm

2 stops19h 58m

$667

Washington, D.C.Glasgow

DCA - GLA

DCAGLA

Washington, D.C. Reagan-National

Mon 5/5

5:00 pm-12:50 pm

2 stops14h 50m

Glasgow Intl

Fri 5/23

8:55 am-7:59 pm

2 stops16h 04m

$673

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 5/2

10:40 pm-11:20 pm

1 stop19h 40m

Glasgow Intl

Fri 5/23

8:55 am-8:05 pm

1 stop16h 10m

$673

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 5/9

5:25 pm-4:10 pm

1 stop17h 45m

Glasgow Intl

Thu 5/15

6:00 am-7:39 pm

2 stops18h 39m

$688

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sat 5/10

10:20 pm-11:00 pm

2 stops19h 40m

Glasgow Intl

Sun 5/18

6:10 am-1:30 pm

1 stop12h 20m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 36 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 April 25, 2025.

The best time to book flights from Washington, D.C. to Glasgow is 67 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 $1,183). 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 30, 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.

What is the cheapest day to fly from Washington, D.C. to Glasgow?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Glasgow. Price data was last updated on April 21, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Glasgow flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Glasgow by month

Plan your trip to Glasgow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Glasgow ranges from 1.3 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. May is typically the driest time to visit Glasgow when rainfall is around 1.3 in.

Temperature in Glasgow by month

Plan your trip to Glasgow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Glasgow, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 30, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Washington, D.C. to Glasgow have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding 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.

  • 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 $568. Other airlines that can offer you cheap pricing are British Airways, from $646, and American Airlines, from $655. Icelandair is priced at 26% 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 $238. However, be on the lookout for offers from British Airways 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.

  • Where are the most common layover locations when flying from Washington, D.C. to Glasgow?

    Washington, D.C. to Glasgow flights have a layover in Reykjavik most often.

  • What are some popular things to do or see while on a layover in Reykjavik?

    Most Reykjavik visitors opt to spend their time experiencing Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Those on a layover in Reykjavik interested in visiting Hallgrímskirkja, Harpa, or Laugardalslaug Geothermal Pool can do so by traveling 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $47 per day.

  • Where are the least popular layover locations for Washington, D.C. to Glasgow flights?

    Flights departing from Washington, D.C. and landing in Glasgow layover in London least frequently.

  • 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 $1,183). 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 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$445Average$1,067FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$479Average$752FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$576Average$800FlexibilityNo cancel feeOn-time70%
DeltaCheapest$584Average$930FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$587Average$735FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$613Average$877FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$617Average$970FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$620Average$965FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$623Average$1,044FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$682Average$921FlexibilityNo cancel feeOn-time72%

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