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Cheap flights from Glasgow to Washington, D.C. from £240

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — WAS
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Glasgow to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) to Washington, D.C. (WAS). 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 13 June 2025.

Round-trip from

£449

One-way from

£240

Popular in

July

Cheapest in

February

Average price

£552
Icelandair
  • Icelandair
  • 5/9-19/9
  • 2 total stops
  • 22h 00m total
  • Glasgow to Washington, D.C.
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14/9
  • 14/9
  • 3 total stops
  • 39h 03m total
  • Glasgow to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£80 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find flight deals from Glasgow to Washington, D.C.

Cheapest flights from Glasgow to Washington, D.C.
Explore the most affordable flight options available from Glasgow to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Fri 5/914:20GLA - BWI
1 stop10h 05mIcelandair
Fri 19/920:30BWI - GLA
1 stop11h 55mIcelandair
Deal found 12/6£449
Fri 5/914:20GLA - IAD
1 stop10h 00mIcelandair
Fri 19/923:15IAD - GLA
1 stop9h 10mIcelandair
Deal found 12/6£453
Sun 7/907:30GLA - BWI
2 stops15h 10mMultiple Airlines
Sun 21/918:50BWI - GLA
2 stops17h 55mMultiple Airlines
Deal found 11/6£506
Thu 6/1111:25GLA - BWI
1 stop12h 20mBritish Airways
Wed 12/1120:30BWI - GLA
1 stop11h 20mBritish Airways
Deal found 11/6£516
Thu 6/1106:05GLA - IAD
1 stop14h 40mKLM
Wed 12/1117:35IAD - GLA
1 stop9h 55mKLM
Deal found 11/6£537
Thu 6/1109:05GLA - IAD
1 stop11h 40mDelta
Wed 12/1113:00IAD - GLA
2 stops14h 30mDelta
Deal found 12/6£538
Thu 6/1106:05GLA - DCA
2 stops15h 27mDelta
Wed 12/1111:00DCA - GLA
2 stops16h 30mDelta
Deal found 11/6£542
Thu 6/1106:05GLA - BWI
2 stops15h 36mDelta
Wed 12/1117:30BWI - GLA
2 stops14h 10mDelta
Deal found 11/6£542
Thu 10/708:10GLA - IAD
1 stop12h 40mMultiple Airlines
Thu 17/717:20IAD - GLA
1 stop9h 45mMultiple Airlines
Deal found 12/6£555
Fri 5/911:30GLA - IAD
1 stop11h 00mBritish Airways
Fri 19/922:40IAD - GLA
1 stop13h 00mBritish Airways
Deal found 11/6£562
Fri 5/907:00GLA - BWI
1 stop17h 35mAmerican Airlines
Fri 19/918:44BWI - GLA
2 stops19h 11mAmerican Airlines
Deal found 11/6£581
Thu 19/608:55GLA - IAD
1 stop11h 40mVirgin Atlantic
Wed 2/717:25IAD - GLA
1 stop14h 35mVirgin Atlantic
Deal found 11/6£591

Cheapflights Fare Finder

Customise your flight search to find flights from Glasgow to Washington, D.C. 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 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Glasgow to Washington, D.C. that are best for you.

Fly from

Glasgow

Fly to

Washington, D.C.

Route

Depart

Return

Price

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Fri 5/9

14:20-19:25

1 stop10h 05m

Baltimore/Washington

Fri 19/9

20:30-13:25

1 stop11h 55m

£449

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 5/9

14:20-19:20

1 stop10h 00m

Washington, D.C. Dulles Intl

Fri 19/9

23:15-13:25

1 stop9h 10m

£453

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Sun 7/9

07:30-17:40

2 stops15h 10m

Baltimore/Washington

Sun 21/9

18:50-17:45

2 stops17h 55m

£506

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Thu 6/11

11:25-18:45

1 stop12h 20m

Baltimore/Washington

Wed 12/11

20:30-12:50

1 stop11h 20m

£516

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 6/11

09:05-15:45

1 stop11h 40m

Washington, D.C. Dulles Intl

Wed 12/11

13:00-08:30

2 stops14h 30m

£537

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Thu 6/11

06:05-16:32

2 stops15h 27m

Washington, D.C. Reagan-National

Wed 12/11

11:00-08:30

2 stops16h 30m

£542

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Thu 6/11

06:05-16:41

2 stops15h 36m

Baltimore/Washington

Wed 12/11

17:30-12:40

2 stops14h 10m

£542

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 10/7

08:10-15:50

1 stop12h 40m

Washington, D.C. Dulles Intl

Thu 17/7

17:20-08:05

1 stop9h 45m

£555

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 5/9

11:30-17:30

1 stop11h 00m

Washington, D.C. Dulles Intl

Fri 19/9

22:40-16:40

1 stop13h 00m

£562

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Fri 5/9

07:00-19:35

1 stop17h 35m

Baltimore/Washington

Fri 19/9

18:44-18:55

2 stops19h 11m

£581

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 40 results
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Best time to book a flight from Glasgow to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Glasgow with our price prediction graph.
Estimated return 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 Glasgow to Washington, D.C.

What is the cheapest month to book a flight from Glasgow to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from Glasgow to Washington, D.C. (average of £565). Flying from Glasgow to Washington, D.C. in July is currently the most expensive (average of £946). 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 GLA to WAS?

Find hourly flight availability from Glasgow to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

One of the essential ways to save on airfare from Glasgow to Washington, D.C. is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 8% on airfare.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 13 June 2025.
See what other customers who have flown with Delta, KLM and Finnair from Glasgow to Washington, D.C. have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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 Glasgow to Washington, D.C.. 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 Glasgow to Washington, D.C. round-trip?

    Flying on Icelandair is currently your cheapest option to Washington, D.C., with prices starting at £449. Additional return tickets that might be worth considering are offered by British Airways and Delta, with the lowest prices starting at £516 and £537, respectively. You may be able to fly from Glasgow to Washington, D.C. for 29% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Glasgow to Washington, D.C. one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £440. Users have also found prices from £475 and £551 on Aer Lingus and British Airways, respectively.

  • What are the most popular routes from Glasgow to Washington, D.C.?

    While some choose either Glasgow Intl - Baltimore/Washington or Glasgow Intl - Washington, D.C. Reagan-National, Glasgow Intl - Washington, D.C. Dulles Intl is the most popular route from Glasgow to Washington, D.C..

  • Can I find deals for flights from Glasgow to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Glasgow to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow to Washington, D.C..

  • Can I find deals for business class flights from Glasgow to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Glasgow to Washington, D.C. 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 Glasgow to Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from Glasgow to Washington, D.C. (average of £565). Flying from Glasgow to Washington, D.C. in July is currently the most expensive (average of £946). 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

Travelling to a place near Glasgow?

Book flights to Glasgow if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
Hanover
Oxon Hill
College Park
Laurel
Tysons

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Top 8 airlines flying from Glasgow to Washington, D.C.

Discover the top 8 airlines that operate flights from Glasgow to Washington, D.C.. 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 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£442Average£618FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£499Average£597FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£504Average£640FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
FinnairCheapest£538Average£752FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£544Average£609FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£546Average£695FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£564Average£710FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£577Average£763FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Glasgow to Washington, D.C.?

Cheapflights makes it easy to find Glasgow to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Glasgow to Washington, D.C.?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Glasgow to Washington, D.C. for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Glasgow to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Glasgow to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Glasgow to Washington, D.C. become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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