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Cheap flights from Glasgow to Washington, D.C. from £319

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — WAS
22 Jan — 29 Jan1
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 December 2025.

Wed 24/1208:55GLA - IAD
2 stops35h 20mMultiple Airlines
Sun 28/1217:05IAD - GLA
1 stop9h 45mMultiple Airlines
Deal found 22/12£835
Tue 23/1216:30GLA - IAD
2 stops28h 05mAer Lingus
Tue 30/1221:00IAD - GLA
1 stop29h 50mAer Lingus
Deal found 22/12£1,007
Wed 24/1208:40GLA - IAD
1 stop11h 55mBritish Airways
Sun 28/1221:45IAD - GLA
1 stop10h 30mBritish Airways
Deal found 22/12£1,129
Wed 24/1208:40GLA - BWI
1 stop15h 05mBritish Airways
Sun 28/1217:54BWI - GLA
2 stops14h 21mBritish Airways
Deal found 22/12£1,152
Wed 24/1205:55GLA - DCA
2 stops16h 22mBritish Airways
Sun 28/1217:41DCA - GLA
2 stops15h 54mBritish Airways
Deal found 22/12£1,155
Wed 24/1208:20GLA - DCA
2 stops14h 38mMultiple Airlines
Sun 28/1218:26DCA - GLA
2 stops15h 09mMultiple Airlines
Deal found 22/12£1,186
Sun 21/1220:10GLA - IAD
1 stop28h 20mAer Lingus
Mon 29/1221:00IAD - GLA
1 stop29h 50mAer Lingus
Deal found 21/12£1,200
Sun 21/1212:45GLA - IAD
2 stops30h 15mLufthansa
Mon 29/1218:00IAD - GLA
1 stop12h 50mLufthansa
Deal found 21/12£1,315
Tue 23/1219:10GLA - IAD
1 stop25h 25mBritish Airways
Tue 30/1216:29IAD - GLA
2 stops15h 36mBritish Airways
Deal found 23/12£1,333
Tue 23/1219:10GLA - BWI
1 stop28h 35mBritish Airways
Tue 30/1220:35BWI - GLA
1 stop13h 00mBritish Airways
Deal found 22/12£1,335
Sun 21/1218:05GLA - DCA
2 stops31h 08mBritish Airways
Mon 29/1214:07DCA - GLA
2 stops14h 43mBritish Airways
Deal found 21/12£1,336
Sun 21/1218:05GLA - IAD
2 stops34h 59mBritish Airways
Mon 29/1213:57IAD - GLA
2 stops18h 08mBritish Airways
Deal found 21/12£1,406

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 December 2025.

Round-trip from

£459

One-way from

£319

Popular in

October

Cheapest in

February

Average price

£725
Icelandair
  • Icelandair
  • 4/2-11/2
  • 2 total stops
  • 20h 10m total
  • Glasgow to Washington, D.C.
Search Deals
29/5
  • 29/5
  • 2 total stops
  • 33h 12m total
  • Glasgow to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 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 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 December 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

Wed 4/2

12:35-18:30

1 stop10h 55m

Washington, D.C. Dulles Intl

Wed 11/2

19:40-09:55

1 stop9h 15m

£459

GlasgowBaltimore

GLA - BWI

GLABWI

Glasgow Intl

Wed 4/2

07:45-18:40

2 stops15h 55m

Baltimore/Washington

Wed 11/2

19:40-21:00

2 stops20h 20m

£461

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 10/2

11:40-19:55

1 stop13h 15m

Washington, D.C. Dulles Intl

Tue 24/2

21:45-13:05

1 stop10h 20m

£505

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 4/2

12:00-17:15

2 stops34h 15m

Washington, D.C. Dulles Intl

Wed 11/2

20:30-21:00

2 stops19h 30m

£506

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

12:38-08:30

2 stops14h 52m

£515

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Wed 4/2

06:05-22:11

2 stops21h 06m

Washington, D.C. Reagan-National

Wed 11/2

17:00-16:35

2 stops18h 35m

£520

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 30/1

10:40-19:55

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 2/2

18:20-13:05

1 stop13h 45m

£520

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 4/2

17:20-16:05

1 stop27h 45m

Washington, D.C. Dulles Intl

Wed 11/2

12:40-09:55

2 stops16h 15m

£523

GlasgowWashington, D.C.

GLA - DCA

GLADCA

Glasgow Intl

Fri 30/1

09:40-22:03

2 stops17h 23m

Washington, D.C. Reagan-National

Mon 2/2

17:45-13:05

2 stops14h 20m

£524

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 29/5

08:55-15:50

1 stop11h 55m

Washington, D.C. Dulles Intl

Thu 25/6

19:15-11:30

1 stop11h 15m

£531

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 49 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 £425). 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.

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 December 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 17% 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 23 December 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
1,434 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.3

Food

7.2

Overall

7.7

Comfort

7.6

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
1,434 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.3

Food

7.2

Overall

7.7

Comfort

7.6

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
1,410 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.3

Food

7.2

Overall

7.7

Comfort

7.6

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
592 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.3

Food

7.2

Overall

7.7

Comfort

7.6

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
7,605 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.3

Food

7.2

Overall

7.7

Comfort

7.6

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 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 £459, 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 £435. 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 34% 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 - Washington, D.C. Reagan-National or Glasgow Intl - Baltimore/Washington, 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 £425). 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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£435Average£592FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£447Average£596FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£463Average£613FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£500Average£684FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£582Average£743FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£608Average£764FlexibilityNo 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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