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Cheap flights from Glasgow to Washington, D.C. from £305

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — WAS
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find 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 24 October 2025.

Sun 7/1207:25GLA - IAD
1 stop17h 05mMultiple Airlines
Sun 14/1221:00IAD - GLA
1 stop12h 10mMultiple Airlines
Deal found 23/10£407
Sat 6/1212:00GLA - IAD
1 stop12h 30mAer Lingus
Sat 13/1221:00IAD - GLA
1 stop9h 30mAer Lingus
Deal found 22/10£448
Thu 6/1112:35GLA - IAD
1 stop10h 55mIcelandair
Wed 12/1119:40IAD - GLA
1 stop9h 15mIcelandair
Deal found 22/10£471
Thu 20/1112:35GLA - IAD
1 stop10h 55mIcelandair
Thu 27/1119:40IAD - GLA
1 stop9h 15mIcelandair
Deal found 21/10£490
Thu 30/1008:20GLA - IAD
1 stop16h 10mMultiple Airlines
Fri 7/1117:05IAD - GLA
1 stop11h 00mMultiple Airlines
Deal found 23/10£492
Fri 31/1012:35GLA - IAD
1 stop10h 55mIcelandair
Mon 10/1119:40IAD - GLA
1 stop9h 15mIcelandair
Deal found 23/10£495
Thu 27/1108:20GLA - IAD
1 stop12h 15mAer Lingus
Wed 3/1217:05IAD - GLA
1 stop9h 45mAer Lingus
Deal found 21/10£517
Wed 29/1008:20GLA - IAD
1 stop12h 15mAer Lingus
Wed 12/1121:00IAD - GLA
1 stop9h 30mAer Lingus
Deal found 22/10£518
Fri 21/1108:20GLA - IAD
1 stop12h 15mAer Lingus
Mon 1/1217:05IAD - GLA
1 stop9h 45mAer Lingus
Deal found 21/10£530
Sun 7/1207:25GLA - BWI
2 stops16h 15mMultiple Airlines
Sun 14/1219:40BWI - GLA
2 stops13h 30mMultiple Airlines
Deal found 23/10£539
Tue 16/1212:35GLA - DCA
2 stops31h 09mIcelandair
Tue 6/113:00DCA - GLA
2 stops15h 55mIcelandair
Deal found 22/10£616
Wed 19/1107:00GLA - BWI
2 stops16h 40mMultiple Airlines
Wed 26/1119:40BWI - GLA
2 stops14h 05mMultiple Airlines
Deal found 22/10£633

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 24 October 2025.

Round-trip from

£407

One-way from

£305

Popular in

August

Cheapest in

February

Average price

£775
7/12-14/12
  • 7/12-14/12
  • 2 total stops
  • 29h 15m total
  • Glasgow to Washington, D.C.
Search Deals
14/12
  • 14/12
  • 3 total stops
  • 49h 30m total
  • Glasgow to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 24 October 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

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sat 6/12

12:00-19:30

1 stop12h 30m

Washington, D.C. Dulles Intl

Sat 13/12

21:00-11:30

1 stop9h 30m

£448

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 20/11

12:35-18:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Thu 27/11

19:40-09:55

1 stop9h 15m

£490

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 16/3

12:35-19:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Mon 23/3

20:40-09:55

1 stop9h 15m

£494

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 4/11

12:35-18:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Mon 10/11

19:40-09:55

1 stop9h 15m

£495

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 3/11

12:35-18:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Sun 9/11

19:40-09:55

1 stop9h 15m

£495

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 5/12

13:20-19:30

1 stop11h 10m

Washington, D.C. Dulles Intl

Fri 12/12

17:05-07:50

1 stop9h 45m

£517

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 21/11

08:20-15:35

1 stop12h 15m

Washington, D.C. Dulles Intl

Mon 1/12

17:05-07:50

1 stop9h 45m

£530

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Sun 7/12

07:25-18:40

2 stops16h 15m

Baltimore/Washington

Sun 14/12

19:40-14:10

2 stops13h 30m

£539

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 19/11

07:45-15:35

1 stop12h 50m

Washington, D.C. Dulles Intl

Wed 26/11

17:05-10:05

1 stop12h 00m

£560

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 16/12

12:35-18:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Wed 21/1

19:40-09:55

1 stop9h 15m

£562

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 53 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, May is the cheapest month in which you can book a flight from Glasgow to Washington, D.C. (average of £430). Flying from Glasgow to Washington, D.C. in July is currently the most expensive (average of £591). 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 24 October 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 in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 15% on airfare.

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 24 October 2025.
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
1,405 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,353 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.1
Good
561 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,469 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 £490, Aer Lingus 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 £442. Additional return tickets that might be worth considering are offered by KLM and British Airways, with the lowest prices starting at £466 and £498, 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.?

    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, May is the cheapest month in which you can book a flight from Glasgow to Washington, D.C. (average of £430). Flying from Glasgow to Washington, D.C. in July is currently the most expensive (average of £591). 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
Tysons

Browse thousands of different options on Cheapflights for your next trip

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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 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£442Average£590FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£452Average£615FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£466Average£618FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£500Average£676FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
FinnairCheapest£524Average£787FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£551Average£666FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£586Average£719FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£613Average£792FlexibilityNo 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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