Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow to Washington from £347

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SEA
7 Apr — 14 Apr1
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 2 April 2025.

Round-trip from

£500

One-way from

£347

Popular in

August

Cheapest in

February

Average price

£639
Icelandair
  • Icelandair
  • 1/5-12/5
  • 2 total stops
  • 24h 45m total
  • Glasgow to Washington
Search Deals
17/7
  • 17/7
  • 3 total stops
  • 44h 18m total
  • Glasgow to Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 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 2 April 2025.

Thu 1/514:20GLA - SEA
1 stop14h 20mIcelandair
Mon 12/519:00SEA - GLA
1 stop10h 25mIcelandair
Deal found 1/4£500
Wed 30/408:25GLA - SEA
2 stops20h 15mMultiple Airlines
Wed 7/515:45SEA - GLA
2 stops18h 30mMultiple Airlines
Deal found 1/4£538
Sat 26/405:50GLA - SEA
1 stop13h 45mBritish Airways
Sat 7/613:35SEA - GLA
1 stop13h 40mBritish Airways
Deal found 31/3£544
Wed 30/408:55GLA - SEA
1 stop15h 05mKLM
Wed 7/514:10SEA - GLA
1 stop14h 50mKLM
Deal found 2/4£548
Wed 30/406:00GLA - SEA
2 stops20h 22mVirgin Atlantic
Wed 7/514:10SEA - GLA
1 stop18h 00mVirgin Atlantic
Deal found 2/4£553
Wed 30/406:00GLA - SEA
2 stops20h 22mDelta
Wed 7/507:15SEA - GLA
2 stops21h 45mDelta
Deal found 2/4£558
Wed 30/406:00GLA - SEA
1 stop13h 45mAir France
Fri 9/513:55SEA - GLA
1 stop25h 15mAir France
Deal found 2/4£558
Wed 30/413:10GLA - SEA
2 stops39h 08mLufthansa
Fri 9/514:15SEA - GLA
1 stop14h 05mLufthansa
Deal found 2/4£566
Wed 30/408:40GLA - PDX
1 stop16h 55mBritish Airways
Wed 7/511:14PDX - GLA
2 stops22h 36mBritish Airways
Deal found 1/4£576
Wed 30/421:15GLA - PDX
2 stops28h 40mMultiple Airlines
Wed 7/515:20PDX - GLA
2 stops20h 30mMultiple Airlines
Deal found 1/4£596
Wed 30/406:00GLA - PDX
1 stop13h 20mKLM
Wed 7/513:15PDX - GLA
1 stop25h 55mKLM
Deal found 1/4£599
Sat 3/506:00GLA - PDX
1 stop13h 20mDelta
Sat 24/513:21PDX - GLA
2 stops18h 49mDelta
Deal found 31/3£741

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 2 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

Thu 1/5

14:20-20:40

1 stop14h 20m

Seattle/Tacoma Intl

Mon 12/5

19:00-13:25

1 stop10h 25m

£500

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 30/4

08:25-20:40

2 stops20h 15m

Seattle/Tacoma Intl

Wed 7/5

15:45-18:15

2 stops18h 30m

£538

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sat 26/4

05:50-11:35

1 stop13h 45m

Seattle/Tacoma Intl

Sat 7/6

13:35-11:15

1 stop13h 40m

£544

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 30/4

08:55-16:00

1 stop15h 05m

Seattle/Tacoma Intl

Wed 7/5

14:10-13:00

1 stop14h 50m

£548

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 30/4

06:00-18:22

2 stops20h 22m

Seattle/Tacoma Intl

Wed 7/5

14:10-16:10

1 stop18h 00m

£553

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 30/4

06:00-18:22

2 stops20h 22m

Seattle/Tacoma Intl

Wed 7/5

07:15-13:00

2 stops21h 45m

£558

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 30/4

06:00-11:45

1 stop13h 45m

Seattle/Tacoma Intl

Fri 9/5

13:55-23:10

1 stop25h 15m

£558

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 30/4

13:10-20:18

2 stops39h 08m

Seattle/Tacoma Intl

Fri 9/5

14:15-12:20

1 stop14h 05m

£566

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 30/4

08:40-17:35

1 stop16h 55m

Portland

Wed 7/5

11:14-17:50

2 stops22h 36m

£576

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 30/4

21:15-17:55

2 stops28h 40m

Portland

Wed 7/5

15:20-19:50

2 stops20h 30m

£596

Flights are sorted by cheapest return flights first.

Deals found on 2/4

Showing 1-10 of 21 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 2 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 2 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
7,897 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
7,897 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
1,323 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
1,267 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
1,427 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
637 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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 Icelandair, which is currently one of the cheapest options available, starting at £439. Aer Lingus flights start at £510 while deals on Finnair start at £770 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Glasgow to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Edinburgh to John F Kennedy Intl flights
Edinburgh to Newark flights
Edinburgh to Orlando flights
Edinburgh to LaGuardia flights
Edinburgh to Boston flights
Edinburgh to O'Hare Intl flights
Glasgow Intl to John F Kennedy Intl flights
Glasgow Intl to Dallas/Fort Worth flights
Glasgow Intl to Newark flights
Glasgow Intl to Los Angeles flights
Glasgow Intl to LaGuardia flights
Edinburgh to Stewart flights
Glasgow Intl to San Francisco flights
Glasgow Intl to Boston flights
Glasgow Intl to Orlando flights
Edinburgh to Midway flights
Edinburgh to Las Vegas flights
Edinburgh to San Francisco flights
Edinburgh to Tampa flights
Edinburgh to Dulles Intl flights
Edinburgh to Los Angeles flights
Edinburgh to Raleigh flights
Edinburgh to Seattle flights
Edinburgh to Atlanta flights
Edinburgh to Philadelphia flights
Edinburgh to Dallas/Fort Worth flights
Glasgow Intl to Love Field flights
Edinburgh to Miami flights
Edinburgh to Charlotte flights
Glasgow Intl to Las Vegas flights
Edinburgh to Sarasota flights
Glasgow Intl to Santa Ana flights
Edinburgh to Baltimore flights
Edinburgh to Hobby flights
Glasgow Intl to Ontario flights
Glasgow Intl to Seattle flights
Edinburgh to Austin flights
Edinburgh to Nashville flights
Edinburgh to Sky Harbor Intl flights
Glasgow Intl to Miami flights
Edinburgh to Denver flights
Glasgow Intl to Dulles Intl flights
Glasgow Intl to Stewart flights
Aberdeen to Orlando flights
Edinburgh to Reagan-National flights
Edinburgh to Indianapolis flights
Edinburgh to San Diego flights
Glasgow Intl to Hobby flights
Edinburgh to George Bush Intcntl flights
Edinburgh to Ontario flights

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 2 April 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£456Average£704FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£464Average£701FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£470Average£596FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£478Average£613FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£491Average£767FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£513Average£688FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£528Average£646FlexibilityNo cancel feeOn-time76%
Search Finnair flights
WestJetCheapest£553Average£705FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapest£589Average£713FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£618Average£838FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.