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Cheap flights from Glasgow Intl Airport to Washington, D.C. from £268

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — WAS
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) 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 14 November 2025.

Round-trip from

£549

One-way from

£268

Popular in

October

Cheapest in

February

Average price

£603
Icelandair
  • Icelandair
  • 16/4-30/4
  • 2 total stops
  • 18h 55m total
  • Glasgow to Washington, D.C.
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6/3
  • 6/3
  • 2 total stops
  • 43h 08m total
  • Glasgow to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£25 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Glasgow Intl to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow Intl to Washington, D.C.
Explore the most affordable flight options available from Glasgow Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.

Thu 11/1207:15GLA - IAD
1 stop13h 20mMultiple Airlines
Sun 14/1217:05IAD - GLA
1 stop9h 50mMultiple Airlines
Deal found 13/11£593
Mon 24/1112:35GLA - IAD
1 stop10h 55mIcelandair
Sat 6/1219:40IAD - GLA
1 stop9h 15mIcelandair
Deal found 12/11£595
Thu 11/1213:25GLA - BWI
3 stops34h 15mMultiple Airlines
Sun 14/1219:40BWI - GLA
2 stops13h 30mMultiple Airlines
Deal found 13/11£636
Mon 15/1221:05GLA - IAD
2 stops22h 30mMultiple Airlines
Mon 12/120:45IAD - GLA
2 stops16h 25mMultiple Airlines
Deal found 13/11£650
Mon 15/1223:35GLA - BWI
2 stops24h 05mMultiple Airlines
Mon 12/111:30BWI - GLA
2 stops27h 35mMultiple Airlines
Deal found 13/11£651
Mon 24/1112:35GLA - BWI
1 stop11h 05mIcelandair
Sat 6/1219:40BWI - GLA
1 stop9h 15mIcelandair
Deal found 12/11£677
Thu 11/1212:35GLA - BWI
1 stop11h 05mIcelandair
Sun 14/1219:40BWI - GLA
1 stop9h 15mIcelandair
Deal found 13/11£701
Sat 20/1222:30GLA - BWI
2 stops25h 10mMultiple Airlines
Fri 27/206:20BWI - GLA
3 stops32h 40mMultiple Airlines
Deal found 11/11£704
Wed 24/1207:45GLA - IAD
2 stops15h 45mMultiple Airlines
Mon 12/120:45IAD - GLA
2 stops16h 25mMultiple Airlines
Deal found 13/11£711
Mon 8/1212:35GLA - BWI
1 stop11h 05mIcelandair
Fri 12/1219:40BWI - GLA
1 stop9h 15mIcelandair
Deal found 13/11£733
Mon 8/1220:30GLA - IAD
2 stops27h 00mMultiple Airlines
Fri 12/1217:05IAD - GLA
1 stop9h 45mMultiple Airlines
Deal found 13/11£752
Thu 11/1205:55GLA - DCA
2 stops16h 48mBritish Airways
Sun 14/1222:15DCA - GLA
2 stops19h 15mBritish Airways
Deal found 13/11£782

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow Intl 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 14 November 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Washington, D.C. that are best for you.

Fly from

Glasgow Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 11/12

07:15-15:35

1 stop13h 20m

Washington, D.C. Dulles Intl

Sun 14/12

17:05-07:55

1 stop9h 50m

£593

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Wed 29/4

14:20-19:25

1 stop10h 05m

Baltimore/Washington

Sun 3/5

20:30-13:25

1 stop11h 55m

£601

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Thu 11/12

13:25-18:40

3 stops34h 15m

Baltimore/Washington

Sun 14/12

19:40-14:10

2 stops13h 30m

£636

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 15/12

21:05-14:35

2 stops22h 30m

Washington, D.C. Dulles Intl

Mon 12/1

20:45-18:10

2 stops16h 25m

£650

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Mon 24/11

12:35-18:40

1 stop11h 05m

Baltimore/Washington

Sat 6/12

19:40-09:55

1 stop9h 15m

£677

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Mon 15/12

23:35-18:40

2 stops24h 05m

Baltimore/Washington

Mon 12/1

06:20-20:05

3 stops32h 45m

£695

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Thu 11/12

12:35-18:40

1 stop11h 05m

Baltimore/Washington

Sun 14/12

19:40-09:55

1 stop9h 15m

£701

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Sat 20/12

22:30-18:40

2 stops25h 10m

Baltimore/Washington

Fri 27/2

11:30-20:00

2 stops27h 30m

£707

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Thu 26/2

06:35-16:25

2 stops14h 50m

Washington, D.C. Reagan-National

Mon 2/3

16:00-10:45

2 stops13h 45m

£720

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Mon 8/12

12:35-18:40

1 stop11h 05m

Baltimore/Washington

Fri 12/12

19:40-09:55

1 stop9h 15m

£733

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 52 results
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Best time to book a flight from Glasgow Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Glasgow Intl 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 Intl Airport to Washington, D.C.

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

Currently, May is the cheapest month in which you can book a flight from Glasgow Intl Airport to Washington, D.C. (average of £434). Flying from Glasgow Intl Airport to Washington, D.C. in July is currently the most expensive (average of £600). 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 Intl 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 14 November 2025.

One of the essential ways to save on airfare from Glasgow Intl Airport 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 evening could potentially save you up to 15% on airfare.

How much does it cost for a return flight from Glasgow Intl Airport to Washington, D.C.?

What’s the top stopover airport for flights from Glasgow Intl Airport to Washington, D.C.?

Share of one-stop return flights from Glasgow Intl Airport to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 38% of one-stop itineraries from Glasgow Intl Airport to Washington, D.C. on Cheapflights.

What’s the cheapest stopover airport for flights from Glasgow Intl Airport to Washington, D.C.?

Average return fare for one-stop flights from Glasgow Intl Airport to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Boston (BOS) is the most affordable one-stop option, with an average return flight price of £567.

What’s the fastest stopover option from Glasgow Intl Airport to Washington, D.C.?

Shortest average travel time for one-stop one-way flights from Glasgow Intl Airport to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 10h 25m.

Which airport typically offers the quickest stopover for flights from Glasgow Intl Airport to Washington, D.C.?

Average stopover duration for one-stop one-way flights from Glasgow Intl Airport to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 39m.

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 14 November 2025.
Read reviews from past customers who have flown with KLM, Aer Lingus, andIcelandair from Glasgow Intl Airport 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
1,411 reviews
Check prices

Comfort

7.7

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

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
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Comfort

7.7

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

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
1,370 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Comfort

7.7

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

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
578 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Comfort

7.7

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

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
7,521 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Comfort

7.7

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

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 Intl 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 Intl Airport to Washington, D.C.?

    For as low as £601, Icelandair can have you in Washington, D.C. from Glasgow Intl Airport in 10h 05m. There are 3386 mi between Glasgow Intl Airport and Washington, D.C.. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Glasgow Intl Airport to Washington, D.C. round-trip?

    Icelandair, at £448, was found to be the cheapest airline from Glasgow Intl Airport to Washington, D.C..Alternate airlines flying return to your destination include KLM and British Airways. You may be able to fly from Glasgow Intl Airport to Washington, D.C. for 33% less than the average price by searching for these airlines.

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

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Glasgow Intl Airport to Washington, D.C. (average of £434). Flying from Glasgow Intl Airport to Washington, D.C. in July is currently the most expensive (average of £600). 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

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Alternative routes for Glasgow Intl to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Glasgow Intl to Reagan-National flights
Glasgow Intl to Dulles Intl flights

Top 4 airlines flying from Glasgow Intl to Washington, D.C.

Discover the top 4 airlines that operate flights from Glasgow Intl 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£448Average£597FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£458Average£608FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£473Average£573FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£507Average£639FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 Intl to Washington, D.C.?

Cheapflights helps you search for flights from Glasgow Intl to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Glasgow Intl 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 Intl to Washington, D.C. become cheaper?

Yes, Cheapflights offers price alerts on Glasgow Intl to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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