Cheap flights from Glasgow to Washington, D.C. from £325

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — WAS
22 Apr — 29 Apr1
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 23 March 2026.

Thu 7/507:00
GLA
-
IAD
2 stops17h 20m
Multiple Airlines
Thu 14/520:30
IAD
-
GLA
2 stops19h 20m
Multiple Airlines
Deal found 23/3£466
Sun 22/1111:55
GLA
-
BWI
1 stop11h 45m
Icelandair
Mon 30/1119:40
BWI
-
GLA
1 stop9h 15m
Icelandair
Deal found 22/3£470
Mon 20/414:30
GLA
-
IAD
1 stop9h 50m
Icelandair
Mon 27/420:30
IAD
-
GLA
1 stop11h 55m
Icelandair
Deal found 23/3£472
Tue 5/507:05
GLA
-
IAD
2 stops17h 15m
Multiple Airlines
Tue 12/520:30
IAD
-
GLA
2 stops19h 25m
Multiple Airlines
Deal found 21/3£475
Thu 2/714:20
GLA
-
BWI
1 stop12h 55m
Icelandair
Mon 6/720:30
BWI
-
GLA
1 stop11h 55m
Icelandair
Deal found 19/3£481
Sat 12/914:20
GLA
-
BWI
1 stop10h 05m
Icelandair
Sat 3/1023:20
BWI
-
GLA
1 stop9h 05m
Icelandair
Deal found 18/3£489
Sun 3/514:30
GLA
-
BWI
1 stop9h 55m
Icelandair
Sun 10/520:30
BWI
-
GLA
1 stop11h 55m
Icelandair
Deal found 19/3£490
Fri 8/514:30
GLA
-
BWI
1 stop9h 55m
Icelandair
Thu 14/523:20
BWI
-
GLA
1 stop9h 15m
Icelandair
Deal found 21/3£493
Mon 23/1111:55
GLA
-
BWI
1 stop11h 45m
Icelandair
Sat 28/1119:40
BWI
-
GLA
1 stop9h 15m
Icelandair
Deal found 22/3£499
Tue 24/1111:55
GLA
-
BWI
1 stop11h 45m
Icelandair
Sat 28/1119:40
BWI
-
GLA
1 stop9h 15m
Icelandair
Deal found 22/3£500
Thu 19/1111:55
GLA
-
IAD
1 stop11h 35m
Icelandair
Tue 1/1219:40
IAD
-
GLA
1 stop9h 15m
Icelandair
Deal found 22/3£501
Thu 26/1111:55
GLA
-
BWI
1 stop11h 45m
Icelandair
Mon 30/1119:40
BWI
-
GLA
1 stop9h 15m
Icelandair
Deal found 20/3£501

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 23 March 2026.

Round-trip from

£475

One-way from

£325

Popular in

July

Cheapest in

February

Average price

£621
5/5-12/5
  • 5/5-12/5
  • 4 total stops
  • 36h 40m total
  • Glasgow to Washington, D.C.
10/6
  • 10/6
  • 3 total stops
  • 32h 15m total
  • Glasgow to Washington, D.C.
Highest demand for flights based on searches. 9% potential increase in price (£48 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 23 March 2026.
Use the filters below to find and compare flights from Glasgow to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Fri 8/5

14:30-19:25

1 stop9h 55m

Baltimore/Washington

Mon 18/5

20:30-13:25

1 stop11h 55m

£510

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Tue 26/5

14:20-22:15

1 stop12h 55m

Baltimore/Washington

Wed 3/6

20:30-13:25

1 stop11h 55m

£510

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Thu 7/5

07:00-19:25

2 stops17h 25m

Baltimore/Washington

Thu 14/5

23:20-20:50

2 stops16h 30m

£561

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Sun 3/5

21:20-19:40

1 stop27h 20m

Baltimore/Washington

Tue 1/9

19:25-10:30

1 stop10h 05m

£575

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Wed 2/9

09:30-22:16

2 stops17h 46m

Washington, D.C. Reagan-National

Sun 6/9

22:15-23:05

2 stops19h 50m

£591

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Mon 4/5

08:00-19:34

2 stops16h 34m

Baltimore/Washington

Mon 11/5

21:30-13:25

1 stop10h 55m

£598

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 22/7

14:05-20:20

1 stop11h 15m

Washington, D.C. Dulles Intl

Fri 31/7

19:15-14:10

1 stop13h 55m

£600

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 28/5

09:40-15:50

1 stop11h 10m

Washington, D.C. Dulles Intl

Thu 4/6

22:25-16:05

1 stop12h 40m

£603

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Thu 28/5

13:20-19:40

1 stop11h 20m

Baltimore/Washington

Thu 4/6

21:30-16:05

1 stop13h 35m

£605

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Fri 1/5

08:35-19:40

1 stop16h 05m

Baltimore/Washington

Tue 1/9

19:45-16:45

2 stops16h 00m

£607

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £421). Flying from Glasgow to Washington, D.C. in December is currently the most expensive (average of £550). 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 23 March 2026.

When flying from Glasgow to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Glasgow to Washington, D.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 23 March 2026.
Read reviews from past customers who have flown with Aer Lingus,Icelandair, andBritish Airways 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.

Crew

8.1

Overall

7.2

Boarding

7.4

Entertainment

7.0

Comfort

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Crew

8.1

Overall

7.2

Boarding

7.4

Entertainment

7.0

Comfort

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Crew

8.1

Overall

7.2

Boarding

7.4

Entertainment

7.0

Comfort

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Crew

8.1

Overall

7.2

Boarding

7.4

Entertainment

7.0

Comfort

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

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 £510, Icelandair can have you in Washington, D.C. from Glasgow in 9h 55m. Glasgow and Washington, D.C. are separated by a distance of 3386 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 £425. Additional return tickets that might be worth considering are offered by British Airways and Aer Lingus, with the lowest prices starting at £499 and £500, respectively. You may be able to fly from Glasgow to Washington, D.C. for 33% less than the average price by searching for these airlines.

  • What are the most popular routes 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 £421). Flying from Glasgow to Washington, D.C. in December is currently the most expensive (average of £550). 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
Gaithersburg
Woodbridge
Arlington
Alexandria

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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£425Average£595FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£458Average£641FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£500Average£701FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£528Average£669FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£588Average£749FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£614Average£763FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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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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