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Cheap flights from Glasgow to Washington, D.C. from £357

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 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — WAS
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

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 22 January 2026.

Mon 16/309:50
GLA
-
IAD
2 stops37h 40m
Multiple Airlines
Sun 22/320:40
IAD
-
GLA
2 stops18h 05m
Multiple Airlines
Deal found 20/1£385
Sun 10/514:20
GLA
-
IAD
1 stop10h 00m
Icelandair
Sun 17/523:20
IAD
-
GLA
1 stop9h 05m
Icelandair
Deal found 20/1£457
Fri 6/212:35
GLA
-
IAD
1 stop10h 55m
Icelandair
Sat 14/219:40
IAD
-
GLA
1 stop9h 15m
Icelandair
Deal found 19/1£474
Mon 16/306:10
GLA
-
IAD
1 stop19h 05m
Lufthansa
Sun 22/319:00
IAD
-
GLA
1 stop13h 05m
Lufthansa
Deal found 20/1£497
Fri 6/212:35
GLA
-
BWI
1 stop11h 05m
Icelandair
Sat 14/219:40
BWI
-
GLA
1 stop9h 15m
Icelandair
Deal found 19/1£497
Fri 6/308:20
GLA
-
IAD
1 stop16h 10m
British Airways
Sat 14/322:45
IAD
-
GLA
1 stop12h 10m
British Airways
Deal found 20/1£498
Sat 7/308:20
GLA
-
IAD
1 stop16h 10m
British Airways
Sat 14/319:20
IAD
-
GLA
1 stop10h 05m
British Airways
Deal found 21/1£500
Sat 7/306:00
GLA
-
IAD
1 stop14h 50m
Lufthansa
Sat 14/319:00
IAD
-
GLA
1 stop13h 05m
Lufthansa
Deal found 21/1£509
Thu 30/408:35
GLA
-
IAD
1 stop12h 10m
British Airways
Thu 7/519:15
IAD
-
GLA
1 stop10h 20m
British Airways
Deal found 20/1£511
Tue 10/206:05
GLA
-
IAD
1 stop15h 00m
Multiple Airlines
Tue 24/212:24
IAD
-
GLA
2 stops15h 06m
Multiple Airlines
Deal found 20/1£517
Fri 6/212:50
GLA
-
IAD
1 stop12h 25m
Lufthansa
Sat 14/217:45
IAD
-
GLA
2 stops13h 20m
Lufthansa
Deal found 19/1£519
Mon 16/313:25
GLA
-
DCA
2 stops14h 19m
KLM
Sun 22/318:30
DCA
-
GLA
2 stops14h 15m
KLM
Deal found 20/1£521

Find 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 22 January 2026.

Round-trip from

£385

One-way from

£357

Popular in

October

Cheapest in

February

Average price

£570
16/3-22/3
  • 16/3-22/3
  • 4 total stops
  • 55h 45m total
  • Glasgow to Washington, D.C.
Search Deals
28/3
  • 28/3
  • 3 total stops
  • 48h 30m total
  • Glasgow to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 22 January 2026.
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

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 6/2

12:35-18:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Sat 14/2

19:40-09:55

1 stop9h 15m

£474

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 16/3

22:00-10:24

2 stops40h 24m

Washington, D.C. Dulles Intl

Sun 22/3

18:05-07:55

1 stop9h 50m

£486

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 16/3

06:10-21:15

1 stop19h 05m

Washington, D.C. Dulles Intl

Sun 22/3

19:00-12:05

1 stop13h 05m

£497

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Fri 6/2

12:35-18:40

1 stop11h 05m

Baltimore/Washington

Sat 14/2

19:40-09:55

1 stop9h 15m

£497

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 16/3

06:05-17:05

1 stop15h 00m

Washington, D.C. Dulles Intl

Sun 22/3

19:05-16:35

1 stop17h 30m

£517

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 10/2

06:05-16:05

1 stop15h 00m

Washington, D.C. Dulles Intl

Tue 24/2

12:24-08:30

2 stops15h 06m

£517

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 10/2

06:05-16:05

1 stop15h 00m

Washington, D.C. Dulles Intl

Tue 24/2

18:05-16:35

1 stop17h 30m

£518

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Mon 16/3

13:25-23:44

2 stops14h 19m

Washington, D.C. Reagan-National

Sun 22/3

18:30-12:45

2 stops14h 15m

£521

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 5/2

08:20-15:35

1 stop12h 15m

Washington, D.C. Dulles Intl

Mon 9/2

17:05-11:30

1 stop13h 25m

£529

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Thu 7/5

06:00-17:23

2 stops16h 23m

Washington, D.C. Reagan-National

Thu 14/5

06:05-08:25

2 stops21h 20m

£533

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 52 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, January is the cheapest month in which you can book a flight from Glasgow to Washington, D.C. (average of £427). Flying from Glasgow to Washington, D.C. in July is currently the most expensive (average of £587). 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.

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 22 January 2026.
Read reviews from past customers who have flown with KLM, Aer Lingus, andIcelandair from Glasgow to Washington, D.C.. 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.
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Aer Lingus
7.2
Good
1,439 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Icelandair
7.1
Good
602 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,689 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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.

  • How long is the flight from Glasgow to Washington, D.C.?

    For as low as £474, Icelandair can have you in Washington, D.C. from Glasgow in 10h 55m. Glasgow and Washington, D.C. are separated by a distance of 3426 mi. This flight may include one or multiple stops.

  • 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 £420. Additional return tickets that might be worth considering are offered by KLM and British Airways, with the lowest prices starting at £463 and £494, respectively. You may be able to fly from Glasgow to Washington, D.C. for 35% less than the average price by searching for these airlines.

  • 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, January is the cheapest month in which you can book a flight from Glasgow to Washington, D.C. (average of £427). Flying from Glasgow to Washington, D.C. in July is currently the most expensive (average of £587). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Glasgow to Washington, D.C.

Discover the top 6 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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£420Average£598FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£452Average£616FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£463Average£613FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£500Average£687FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£584Average£743FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£610Average£726FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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