HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Glasgow

$202+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GLA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Glasgow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 3, 2025.

Round-trip from

$480
(CrystalTravel)

One-way from

$202
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$892
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. 1% potential increase in price ($14 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 July 2025
Search Deals

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 July 3, 2025.

This CrystalTravel deal was found by Cheapflights users on 7/2. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:40 pmIAD - GLA
1 stop9h 15mIcelandair
Fri 11/712:35 pmGLA - IAD
1 stop10h 45mIcelandair
Deal found 7/2$480
This Flightnetwork deal was found by Cheapflights users on 7/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:30 pmBWI - GLA
1 stop9h 25mIcelandair
Thu 11/2712:35 pmGLA - BWI
1 stop10h 55mIcelandair
Deal found 7/2$490
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:50 pmBWI - GLA
2 stops15h 40mMultiple Airlines
Tue 8/267:35 amGLA - BWI
2 stops15h 05mMultiple Airlines
Deal found 7/1$504
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:00 pmIAD - GLA
1 stop16h 15mMultiple Airlines
Wed 9/108:25 amGLA - IAD
1 stop12h 25mMultiple Airlines
Deal found 7/2$526
This Cheapflightsfares deal was found by Cheapflights users on 7/3. 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.
Mon 9/110:40 pmIAD - GLA
1 stop13h 05mBritish Airways
Sat 9/201:00 pmGLA - IAD
1 stop12h 15mBritish Airways
Deal found 7/3$593
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 10/109:20 pmBWI - GLA
1 stop14h 20mBritish Airways
Sun 10/1910:05 amGLA - BWI
1 stop14h 30mBritish Airways
Deal found 7/1$593
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:53 pmBWI - GLA
2 stops19h 02mAmerican Airlines
Fri 9/55:50 amGLA - BWI
1 stop18h 45mAmerican Airlines
Deal found 7/1$620
This American Airlines deal was found by Cheapflights users on 7/3. 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 8/172:54 pmDCA - GLA
2 stops13h 26mAmerican Airlines
Sun 8/247:35 amGLA - DCA
2 stops16h 12mAmerican Airlines
Deal found 7/3$630
This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/154:40 pmDCA - GLA
2 stops11h 55mBritish Airways
Fri 8/2210:25 amGLA - DCA
2 stops14h 34mBritish Airways
Deal found 7/1$632
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/67:54 pmDCA - GLA
2 stops15h 16mDelta
Wed 8/276:15 amGLA - DCA
2 stops15h 50mDelta
Deal found 7/2$699
This Mytrip deal was found by Cheapflights users on 7/3. 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 9/2611:00 amDCA - GLA
2 stops23h 10mMultiple Airlines
Mon 9/299:50 pmGLA - DCA
3 stops29h 44mMultiple Airlines
Deal found 7/3$728
This KLM deal was found by Cheapflights users on 7/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/181:25 pmDCA - GLA
2 stops14h 00mKLM
Thu 7/249:10 amGLA - DCA
2 stops14h 49mKLM
Deal found 7/1$870

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 July 3, 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

Wed 10/29

8:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 11/7

12:35 pm-6:20 pm

1 stop10h 45m

$480

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Wed 11/19

7:30 pm-9:55 am

1 stop9h 25m

Glasgow Intl

Thu 11/27

12:35 pm-6:30 pm

1 stop10h 55m

$490

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Tue 8/19

6:50 pm-3:30 pm

2 stops15h 40m

Glasgow Intl

Tue 8/26

7:35 am-5:40 pm

2 stops15h 05m

$504

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Wed 9/3

9:00 pm-6:15 pm

1 stop16h 15m

Glasgow Intl

Wed 9/10

8:25 am-3:50 pm

1 stop12h 25m

$526

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 9/1

10:40 pm-4:45 pm

1 stop13h 05m

Glasgow Intl

Sat 9/20

1:00 pm-8:15 pm

1 stop12h 15m

$593

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Fri 10/10

9:20 pm-4:40 pm

1 stop14h 20m

Glasgow Intl

Sun 10/19

10:05 am-7:35 pm

1 stop14h 30m

$593

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Fri 8/22

6:53 pm-6:55 pm

2 stops19h 02m

Glasgow Intl

Fri 9/5

5:50 am-7:35 pm

1 stop18h 45m

$620

Washington, D.C.Glasgow

DCA - GLA

DCAGLA

Washington, D.C. Reagan-National

Sun 8/17

2:54 pm-9:20 am

2 stops13h 26m

Glasgow Intl

Sun 8/24

7:35 am-6:47 pm

2 stops16h 12m

$630

Washington, D.C.Glasgow

DCA - GLA

DCAGLA

Washington, D.C. Reagan-National

Fri 8/15

4:40 pm-9:35 am

2 stops11h 55m

Glasgow Intl

Fri 8/22

10:25 am-7:59 pm

2 stops14h 34m

$632

Washington, D.C.Glasgow

DCA - GLA

DCAGLA

Washington, D.C. Reagan-National

Wed 8/6

7:54 pm-4:10 pm

2 stops15h 16m

Glasgow Intl

Wed 8/27

6:15 am-5:05 pm

2 stops15h 50m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 30 results
1
2
3

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 June 27, 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 $1,154). 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 July 3, 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 December 16, 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.

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 July 3, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Glasgow, such as Delta, KLM, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Icelandair
7.0
Good
514 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,819 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $480. Other airlines that can offer you cheap pricing are British Airways, from $593, and American Airlines, from $620. Icelandair is priced at 36% 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 $202. However, be on the lookout for offers from British Airways and American Airlines, 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 $76 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 $1,154). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$479Average$655FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$573Average$787FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$576Average$721FlexibilityNo cancel feeOn-time76%
DeltaCheapest$584Average$947FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$590Average$889FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$605Average$943FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$623Average$912FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$623Average$999FlexibilityNo cancel feeOn-time69%
KLMCheapest$667Average$968FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$702Average$823FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.