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Cheap flights from Glasgow to Washington from £299

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SEA
4 May — 11 May1
1 adult

Cheap flight deals from Glasgow to Washington

Keep the following information in mind while searching for Glasgow to Washington flight deals. Data was last updated 29 April 2025.

Round-trip from

£545

One-way from

£299

Popular in

August

Cheapest in

February

Average price

£626
British Airways
  • British Airways
  • 11/9-18/9
  • 2 total stops
  • 31h 05m total
  • Glasgow to Washington
26/5
  • 26/5
  • 3 total stops
  • 47h 08m total
  • Glasgow to Washington
Highest demand for flights based on searches. 10% potential increase in price (£58 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Glasgow to Washington

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 29 April 2025.

Thu 11/908:35GLA - PDX
1 stop17h 00mBritish Airways
Thu 18/919:25PDX - GLA
1 stop14h 05mBritish Airways
Deal found 28/4£545
Mon 1/906:00GLA - SEA
2 stops18h 00mKLM
Mon 15/915:30SEA - GLA
2 stops16h 40mKLM
Deal found 29/4£567
Mon 1/909:05GLA - SEA
1 stop17h 15mMultiple Airlines
Mon 15/920:20SEA - GLA
1 stop14h 10mMultiple Airlines
Deal found 29/4£582
Mon 1/909:05GLA - SEA
1 stop17h 15mFinnair
Mon 15/913:29SEA - GLA
2 stops17h 11mFinnair
Deal found 29/4£587
Wed 10/914:20GLA - PDX
1 stop11h 35mIcelandair
Fri 19/915:20PDX - GLA
1 stop14h 05mIcelandair
Deal found 28/4£587
Thu 11/908:35GLA - PDX
1 stop17h 00mMultiple Airlines
Thu 18/914:16PDX - GLA
2 stops21h 24mMultiple Airlines
Deal found 28/4£615
Mon 5/506:00GLA - PDX
1 stop13h 20mDelta
Mon 19/505:35PDX - GLA
2 stops23h 25mDelta
Deal found 28/4£619
Mon 8/905:50GLA - PDX
1 stop19h 45mAmerican Airlines
Tue 16/913:15PDX - GLA
2 stops19h 30mAmerican Airlines
Deal found 28/4£620
Mon 5/506:00GLA - PDX
2 stops19h 31mKLM
Mon 19/511:25PDX - GLA
2 stops17h 35mKLM
Deal found 28/4£623
Thu 11/906:10GLA - PDX
2 stops19h 11mLufthansa
Wed 17/915:44PDX - GLA
2 stops23h 21mLufthansa
Deal found 28/4£646
Sat 11/1014:20GLA - SEA
1 stop11h 30mIcelandair
Sun 19/1015:45SEA - GLA
1 stop13h 40mIcelandair
Deal found 28/4£673
Wed 7/505:50GLA - PDX
2 stops23h 31mFinnair
Wed 28/519:25PDX - GLA
1 stop14h 25mFinnair
Deal found 28/4£693

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 29 April 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

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 11/9

08:35-17:35

1 stop17h 00m

Portland

Thu 18/9

19:25-17:30

1 stop14h 05m

£545

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 1/9

06:00-16:00

2 stops18h 00m

Seattle/Tacoma Intl

Mon 15/9

15:30-16:10

2 stops16h 40m

£567

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 1/9

09:05-18:20

1 stop17h 15m

Seattle/Tacoma Intl

Mon 15/9

20:20-18:30

1 stop14h 10m

£582

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 1/9

09:05-18:20

1 stop17h 15m

Seattle/Tacoma Intl

Mon 15/9

13:29-14:40

2 stops17h 11m

£587

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 10/9

14:20-17:55

1 stop11h 35m

Portland

Fri 19/9

15:20-13:25

1 stop14h 05m

£587

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 11/9

08:35-17:35

1 stop17h 00m

Portland

Thu 18/9

14:16-19:40

2 stops21h 24m

£615

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 8/9

05:50-17:35

1 stop19h 45m

Portland

Tue 16/9

13:15-16:45

2 stops19h 30m

£620

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 11/9

06:10-17:21

2 stops19h 11m

Portland

Wed 17/9

15:44-23:05

2 stops23h 21m

£646

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 10/9

06:00-11:20

1 stop13h 20m

Portland

Fri 19/9

17:20-16:10

2 stops14h 50m

£649

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 9/9

13:30-11:20

1 stop29h 50m

Portland

Sun 21/9

12:15-16:10

2 stops19h 55m

£659

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 25 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, January is the cheapest month in which you can book a flight from Glasgow to State of Washington (average of £622). Flying from Glasgow to State of Washington in July is currently the most expensive (average of £946). 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 29 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow to State of Washington as you normally would.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 29 April 2025.
Read through reviews of airlines operating flights from Glasgow to Washington, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.
  • What are the cheapest airlines to fly from Glasgow to State of Washington one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £463. Icelandair flights start at £513 while deals on British Airways start at £686 one-way.

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

  • 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, January is the cheapest month in which you can book a flight from Glasgow to State of Washington (average of £622). Flying from Glasgow to State of Washington in July is currently the most expensive (average of £946). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 10 airlines flying from Glasgow to Washington

Discover the top 10 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£442Average£682FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£445Average£757FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£456Average£576FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£464Average£594FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£472Average£721FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£482Average£745FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£497Average£665FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£512Average£623FlexibilityNo cancel feeOn-time76%
Search Finnair flights
WestJetCheapest£527Average£676FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapest£664Average£867FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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How does Cheapflights help users find flights from Glasgow to Washington?

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

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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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