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Cheap flights from Glasgow to Washington from £274

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SEA
29 Apr — 6 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 24 April 2025.

Round-trip from

£466

One-way from

£274

Popular in

August

Cheapest in

February

Average price

£629
British Airways
  • British Airways
  • 5/5-19/5
  • 2 total stops
  • 29h 05m total
  • Glasgow to Washington
Search Deals
7/6
  • 7/6
  • 2 total stops
  • 48h 53m total
  • Glasgow to Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£60 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 April 2025
Search Deals

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 24 April 2025.

Mon 5/505:50GLA - SEA
1 stop13h 45mBritish Airways
Mon 19/513:30SEA - GLA
1 stop15h 20mBritish Airways
Deal found 23/4£466
Wed 30/406:00GLA - SEA
1 stop13h 45mDelta
Wed 7/507:25SEA - GLA
2 stops21h 35mDelta
Deal found 23/4£552
Mon 5/506:00GLA - SEA
2 stops20h 22mVirgin Atlantic
Mon 19/514:10SEA - GLA
1 stop25h 00mVirgin Atlantic
Deal found 23/4£556
Mon 5/508:30GLA - SEA
2 stops17h 20mMultiple Airlines
Mon 19/515:45SEA - GLA
2 stops22h 25mMultiple Airlines
Deal found 23/4£577
Wed 7/508:25GLA - PDX
3 stops22h 30mMultiple Airlines
Sat 10/517:40PDX - GLA
3 stops35h 45mMultiple Airlines
Deal found 23/4£601
Thu 5/616:55GLA - SEA
1 stop31h 00mKLM
Wed 11/614:10SEA - GLA
1 stop34h 00mKLM
Deal found 23/4£657
Thu 1/511:30GLA - PDX
1 stop14h 05mBritish Airways
Wed 21/519:25PDX - GLA
1 stop16h 20mBritish Airways
Deal found 23/4£658
Sat 7/606:00GLA - SEA
2 stops18h 36mAir France
Sat 14/607:50SEA - GLA
2 stops17h 55mAir France
Deal found 23/4£685
Sat 7/606:10GLA - SEA
1 stop14h 15mLufthansa
Sat 14/614:15SEA - GLA
1 stop24h 35mLufthansa
Deal found 23/4£697
Wed 30/414:20GLA - SEA
1 stop14h 20mIcelandair
Wed 7/519:00SEA - GLA
1 stop10h 25mIcelandair
Deal found 24/4£752
Wed 9/714:20GLA - PDX
1 stop11h 35mIcelandair
Mon 28/715:20PDX - GLA
1 stop14h 05mIcelandair
Deal found 23/4£767
Wed 9/706:00GLA - PDX
2 stops21h 16mDelta
Mon 28/706:15PDX - GLA
2 stops18h 10mDelta
Deal found 23/4£772

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 24 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

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/5

05:50-11:35

1 stop13h 45m

Seattle/Tacoma Intl

Mon 19/5

13:30-12:50

1 stop15h 20m

£466

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/5

06:00-15:57

1 stop17h 57m

Seattle/Tacoma Intl

Mon 19/5

14:10-23:10

1 stop25h 00m

£552

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/5

06:00-18:22

2 stops20h 22m

Seattle/Tacoma Intl

Mon 19/5

14:10-23:10

1 stop25h 00m

£556

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/5

06:00-18:22

2 stops20h 22m

Seattle/Tacoma Intl

Mon 19/5

14:10-16:10

1 stop18h 00m

£557

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/5

08:30-17:50

2 stops17h 20m

Seattle/Tacoma Intl

Mon 19/5

15:45-22:10

2 stops22h 25m

£577

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 7/5

08:25-22:55

3 stops22h 30m

Portland

Sat 10/5

17:40-13:25

3 stops35h 45m

£601

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sat 7/6

06:00-16:36

2 stops18h 36m

Seattle/Tacoma Intl

Sat 14/6

07:50-09:45

2 stops17h 55m

£685

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sat 7/6

06:10-12:25

1 stop14h 15m

Seattle/Tacoma Intl

Sat 14/6

14:15-22:50

1 stop24h 35m

£697

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 7/5

07:00-17:35

1 stop18h 35m

Portland

Sat 10/5

23:59-18:45

2 stops34h 46m

£724

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 9/7

14:20-17:55

1 stop11h 35m

Portland

Mon 28/7

15:20-13:25

1 stop14h 05m

£767

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 25 results
1
2
3

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 24 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 24 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.
Delta
8.0
Very Good
7,919 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
Delta
8.0
Very Good
7,919 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
Air France
7.4
Good
1,444 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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 £536. Icelandair flights start at £627 while deals on Lufthansa start at £638 one-way.

  • 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, 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

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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 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 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£444Average£686FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£447Average£764FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£458Average£581FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£466Average£597FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£475Average£724FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£485Average£748FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£500Average£670FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£515Average£626FlexibilityNo cancel feeOn-time76%
Search Finnair flights
WestJetCheapest£530Average£680FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapest£667Average£872FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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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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