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Cheap flights from Glasgow Intl Airport to Washington, D.C. from £383

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — WAS
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 5 December 2025.

Tue 23/1208:20GLA - IAD
1 stop12h 15mAer Lingus
Tue 30/1221:00IAD - GLA
1 stop14h 00mAer Lingus
Deal found 4/12£548
Tue 23/1208:25GLA - IAD
1 stop12h 10mMultiple Airlines
Tue 30/1217:05IAD - GLA
1 stop9h 45mMultiple Airlines
Deal found 4/12£560
Fri 12/1208:20GLA - IAD
1 stop12h 15mAer Lingus
Sun 14/1221:00IAD - GLA
1 stop17h 40mAer Lingus
Deal found 4/12£671
Fri 12/1208:20GLA - IAD
1 stop12h 15mAer Lingus
Mon 15/1221:00IAD - GLA
1 stop14h 00mAer Lingus
Deal found 3/12£672
Fri 12/1211:05GLA - DCA
2 stops32h 39mIcelandair
Sun 14/1207:30DCA - GLA
2 stops21h 25mIcelandair
Deal found 4/12£675
Wed 17/1207:45GLA - IAD
1 stop12h 50mMultiple Airlines
Fri 26/1221:00IAD - GLA
1 stop14h 00mMultiple Airlines
Deal found 4/12£737
Fri 12/1218:55GLA - IAD
2 stops28h 35mMultiple Airlines
Mon 15/1219:40IAD - GLA
1 stop9h 15mMultiple Airlines
Deal found 3/12£740
Mon 15/1221:05GLA - IAD
2 stops52h 55mMultiple Airlines
Mon 12/117:05IAD - GLA
1 stop9h 45mMultiple Airlines
Deal found 4/12£741
Fri 12/1207:05GLA - BWI
2 stops22h 18mMultiple Airlines
Mon 15/1219:40BWI - GLA
1 stop9h 15mMultiple Airlines
Deal found 3/12£778
Fri 12/1207:05GLA - BWI
2 stops29h 37mMultiple Airlines
Sun 14/1219:40BWI - GLA
1 stop9h 15mMultiple Airlines
Deal found 4/12£789
Wed 17/1208:40GLA - BWI
1 stop15h 05mMultiple Airlines
Thu 25/1213:57BWI - GLA
2 stops20h 13mMultiple Airlines
Deal found 3/12£868
Wed 17/1210:55GLA - BWI
1 stop12h 50mBritish Airways
Thu 25/1213:57BWI - GLA
2 stops27h 43mBritish Airways
Deal found 3/12£882

Find 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 5 December 2025.

Round-trip from

£489

One-way from

£383

Popular in

October

Cheapest in

February

Average price

£637
Icelandair
  • Icelandair
  • 28/2-5/3
  • 3 total stops
  • 34h 25m total
  • Glasgow to Washington, D.C.
Search Deals
11/12
  • 11/12
  • 2 total stops
  • 37h 35m total
  • Glasgow to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£24 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 December 2025
Search Deals

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 5 December 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

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Sat 28/2

22:30-18:40

2 stops25h 10m

Baltimore/Washington

Thu 5/3

19:40-09:55

1 stop9h 15m

£489

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sun 18/1

07:25-15:35

1 stop13h 10m

Washington, D.C. Dulles Intl

Sun 25/1

17:05-07:55

1 stop9h 50m

£507

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 23/12

08:20-15:35

1 stop12h 15m

Washington, D.C. Dulles Intl

Tue 30/12

21:00-16:00

1 stop14h 00m

£548

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Sat 28/2

22:30-18:40

2 stops25h 10m

Baltimore/Washington

Wed 4/3

19:40-09:55

1 stop9h 15m

£584

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Sun 18/1

12:35-18:40

1 stop11h 05m

Baltimore/Washington

Sun 25/1

21:55-20:05

2 stops41h 10m

£585

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sun 1/3

09:55-15:15

2 stops34h 20m

Washington, D.C. Dulles Intl

Wed 4/3

17:05-07:50

1 stop9h 45m

£595

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 27/3

06:30-22:00

2 stops19h 30m

Washington, D.C. Dulles Intl

Mon 6/4

20:30-13:25

1 stop11h 55m

£606

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sun 1/3

09:55-15:15

2 stops34h 20m

Washington, D.C. Dulles Intl

Thu 5/3

17:05-07:50

1 stop9h 45m

£612

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Sat 28/2

22:30-18:40

2 stops25h 10m

Baltimore/Washington

Fri 6/3

19:40-09:55

1 stop9h 15m

£623

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Sun 1/3

07:25-18:40

2 stops16h 15m

Baltimore/Washington

Fri 6/3

19:40-09:55

1 stop9h 15m

£630

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 57 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 £428). Flying from Glasgow Intl Airport to Washington, D.C. in June is currently the most expensive (average of £592). 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 5 December 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.

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 £559.

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 26m.

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 37m.

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 5 December 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
1,430 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,430 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Aer Lingus
7.2
Good
1,384 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Icelandair
7.0
Good
584 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,562 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 £548, Aer Lingus can have you in Washington, D.C. from Glasgow Intl Airport in 12h 15m. There are 3426 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 £434, 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 34% 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 - Baltimore/Washington or Glasgow Intl - Washington, D.C. Reagan-National, Glasgow Intl - Washington, D.C. Dulles Intl 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 £428). Flying from Glasgow Intl Airport to Washington, D.C. in June is currently the most expensive (average of £592). 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 Dulles Intl flights
Glasgow Intl to Reagan-National 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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£434Average£590FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£450Average£592FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£466Average£565FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£500Average£651FlexibilityNo 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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