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Cheap flights from Glasgow to Washington from £264

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SEA
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow to Washington
Explore the most affordable flight options available from Glasgow to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Sun 14/1212:35GLA - SEA
2 stops16h 14mIcelandair
Fri 9/114:35SEA - GLA
1 stop11h 20mIcelandair
Deal found 3/12£831
Sun 14/1212:35GLA - SEA
2 stops18h 10mMultiple Airlines
Fri 9/110:00SEA - GLA
2 stops15h 55mMultiple Airlines
Deal found 3/12£839
Wed 24/1208:40GLA - PDX
1 stop15h 15mBritish Airways
Fri 9/117:45PDX - GLA
1 stop13h 25mBritish Airways
Deal found 3/12£878
Wed 24/1209:45GLA - PDX
1 stop14h 10mMultiple Airlines
Fri 9/106:00PDX - GLA
2 stops25h 10mMultiple Airlines
Deal found 3/12£894
Wed 24/1206:05GLA - PDX
1 stop13h 20mDelta
Fri 9/113:25PDX - GLA
1 stop19h 10mDelta
Deal found 3/12£911
Wed 24/1209:45GLA - PDX
2 stops33h 15mIberia
Fri 9/106:00PDX - GLA
2 stops31h 25mIberia
Deal found 3/12£915
Sun 14/1215:55GLA - SEA
2 stops37h 18mIberia
Fri 9/118:50SEA - GLA
1 stop12h 20mIberia
Deal found 4/12£937
Fri 26/1206:05GLA - SEA
2 stops20h 31mDelta
Sat 3/107:10SEA - GLA
2 stops18h 55mDelta
Deal found 4/12£981
Sun 14/1208:20GLA - SEA
1 stop18h 00mBritish Airways
Fri 9/118:50SEA - GLA
1 stop12h 20mBritish Airways
Deal found 4/12£1,059
Fri 26/1212:35GLA - SEA
1 stop12h 25mMultiple Airlines
Sat 3/119:28SEA - GLA
2 stops55h 12mMultiple Airlines
Deal found 4/12£1,135

Find flight deals from Glasgow to Washington

Keep the following information in mind while searching for Glasgow to Washington flight deals. Data was last updated 5 December 2025.

Round-trip from

£429

One-way from

£264

Popular in

July

Cheapest in

January

Average price

£783
Icelandair
  • Icelandair
  • 26/1-29/1
  • 2 total stops
  • 23h 45m total
  • Glasgow to Washington
Search Deals
4/3
  • 4/3
  • 3 total stops
  • 54h 50m total
  • Glasgow to Washington
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 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 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 to Washington that are best for you.

Fly from

Glasgow

Fly to

Washington

Route

Depart

Return

Price

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 16/1

09:40-16:55

1 stop15h 15m

Seattle/Tacoma Intl

Mon 19/1

18:50-18:15

1 stop15h 25m

£638

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 16/1

08:55-15:55

1 stop15h 00m

Portland

Tue 20/1

06:00-14:35

2 stops24h 35m

£668

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sat 17/1

12:35-20:47

2 stops16h 12m

Portland

Sat 24/1

07:10-09:55

2 stops18h 45m

£687

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sun 1/3

11:40-23:29

2 stops19h 49m

Seattle/Tacoma Intl

Sun 8/3

13:37-16:40

2 stops20h 03m

£701

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 16/1

09:40-15:55

1 stop14h 15m

Portland

Tue 20/1

06:00-15:50

2 stops25h 50m

£707

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 15/1

20:20-20:27

2 stops32h 07m

Portland

Mon 19/1

06:00-16:35

2 stops26h 35m

£715

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sat 17/1

17:20-11:25

1 stop26h 05m

Portland

Sat 24/1

11:10-16:35

2 stops21h 25m

£731

GlasgowYakima

GLA - YKM

GLAYKM

Glasgow Intl

Thu 15/1

06:35-00:06

2 stops25h 31m

Yakima Air Terminal

Mon 19/1

06:12-16:35

2 stops26h 23m

£762

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 15/1

15:20-15:55

1 stop32h 35m

Portland

Mon 19/1

17:45-09:50

1 stop32h 05m

£797

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 24/12

08:40-15:55

1 stop15h 15m

Portland

Fri 9/1

17:45-15:10

1 stop13h 25m

£878

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 31 results
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Best time to book a flight from Glasgow to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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

What is the cheapest month to book a flight from Glasgow to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Glasgow to State of Washington (average of £366). Flying from Glasgow to State of Washington in December 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 WA?

Find hourly flight availability from Glasgow to Washington. 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.

When flying from Glasgow to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the afternoon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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. Reviews last updated 5 December 2025.
Read reviews from past customers who have flown with KLM, Aer Lingus, andIcelandair from Glasgow to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

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

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

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

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

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

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

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
Lufthansa
6.8
Okay
7,613 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

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

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

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 to Washington. 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 State of Washington?

    A quick flight from Glasgow to State of Washington can take about 15h. British Airways provides one of the quickest options available for as low as £668. The distance between Glasgow and State of Washington is about 4560 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Glasgow to State of Washington?

    When deciding which route to take from Glasgow to State of Washington consider Glasgow Intl - Seattle/Tacoma Intl, Glasgow Intl - Portland or Glasgow Intl - Yakima Air Terminal as they are the most popular.

  • Can I find deals for flights from Glasgow to Washington that include hotel bookings?

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

  • How can I find direct flights from Glasgow to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow to Washington.

  • Can I find deals for business class flights from Glasgow to Washington?

    Yes. Cheapflights offers flight deals from Glasgow to Washington 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 State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Glasgow to State of Washington (average of £366). Flying from Glasgow to State of Washington in December 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

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Alternative routes for Glasgow to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Glasgow to Washington

Discover the top 9 airlines that operate flights from Glasgow to Washington. 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
FinnairCheapest£421Average£528FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£425Average£584FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£443Average£660FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£460Average£714FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£464Average£612FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£466Average£604FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£498Average£683FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£511Average£615FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£650Average£807FlexibilityNo 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 to Washington?

Deals for Glasgow to Washington flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Glasgow to Washington?

Cheapflights helps you find that perfect flight to Washington from Glasgow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Glasgow to Washington with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Glasgow to Washington, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Glasgow to Washington become cheaper?

Yes! Start tracking prices for Glasgow to Washington flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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