Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow to Washington from £328

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SEA
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 6 November 2025.

Fri 5/1213:20GLA - SEA
1 stop13h 00mAer Lingus
Fri 12/1220:05SEA - GLA
1 stop11h 55mAer Lingus
Deal found 5/11£605
Wed 5/1112:35GLA - SEA
1 stop12h 25mIcelandair
Tue 11/1114:35SEA - GLA
1 stop11h 20mIcelandair
Deal found 4/11£657
Thu 6/1112:35GLA - SEA
1 stop12h 25mIcelandair
Tue 11/1114:35SEA - GLA
1 stop11h 20mIcelandair
Deal found 4/11£682
Fri 5/1212:35GLA - SEA
1 stop12h 25mMultiple Airlines
Fri 12/1208:44SEA - GLA
2 stops17h 11mMultiple Airlines
Deal found 5/11£693
Mon 15/1217:20GLA - SEA
1 stop26h 30mVirgin Atlantic
Mon 22/1206:10SEA - GLA
2 stops18h 20mVirgin Atlantic
Deal found 5/11£707
Mon 15/1217:20GLA - SEA
1 stop26h 30mMultiple Airlines
Mon 22/1215:05SEA - GLA
1 stop23h 05mMultiple Airlines
Deal found 5/11£736
Fri 7/1112:35GLA - PDX
1 stop12h 25mIcelandair
Sat 15/1114:45PDX - GLA
1 stop11h 10mIcelandair
Deal found 5/11£802
Fri 5/1209:40GLA - PDX
2 stops19h 40mMultiple Airlines
Fri 12/1205:41PDX - GLA
2 stops28h 19mMultiple Airlines
Deal found 5/11£803
Fri 5/1208:55GLA - PDX
1 stop15h 00mBritish Airways
Fri 12/1205:30PDX - GLA
2 stops21h 15mBritish Airways
Deal found 6/11£816
Fri 5/1210:40GLA - PDX
2 stops20h 43mIberia
Fri 12/1207:40PDX - GLA
2 stops23h 30mIberia
Deal found 6/11£830
Thu 6/1112:35GLA - SEA
1 stop12h 25mIcelandair
Wed 12/1108:37SEA - GLA
2 stops17h 18mIcelandair
Deal found 4/11£838
Fri 5/1206:05GLA - PDX
1 stop13h 20mKLM
Fri 12/1213:25PDX - GLA
1 stop24h 45mKLM
Deal found 5/11£912

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 6 November 2025.

Round-trip from

£537

One-way from

£328

Popular in

July

Cheapest in

January

Average price

£601
Icelandair
  • Icelandair
  • 21/4-19/5
  • 2 total stops
  • 25h 10m total
  • Glasgow to Washington
Search Deals
28/2
  • 28/2
  • 3 total stops
  • 52h 32m total
  • Glasgow to Washington
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£95 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 November 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 6 November 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 5/3

12:35-17:00

1 stop12h 25m

Seattle/Tacoma Intl

Mon 9/3

15:35-09:55

1 stop11h 20m

£479

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 21/4

14:20-17:50

1 stop11h 30m

Seattle/Tacoma Intl

Tue 19/5

15:45-13:25

1 stop13h 40m

£537

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 5/12

13:20-18:20

1 stop13h 00m

Seattle/Tacoma Intl

Fri 12/12

20:05-16:00

1 stop11h 55m

£605

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 5/3

13:45-11:30

1 stop29h 45m

Seattle/Tacoma Intl

Mon 9/3

13:48-14:30

2 stops17h 42m

£641

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 21/4

09:15-18:25

1 stop17h 10m

Seattle/Tacoma Intl

Tue 19/5

13:33-14:40

2 stops17h 07m

£646

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 21/4

09:40-20:10

2 stops42h 30m

Seattle/Tacoma Intl

Tue 19/5

08:00-16:40

2 stops24h 40m

£650

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 21/4

06:00-11:20

1 stop13h 20m

Portland

Tue 12/5

06:30-13:00

2 stops22h 30m

£708

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

20:20-15:55

1 stop27h 35m

Portland

Mon 9/3

18:45-16:35

1 stop14h 50m

£713

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

12:45-15:55

1 stop35h 10m

Portland

Mon 9/3

06:00-13:05

2 stops24h 05m

£715

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 24/3

09:05-12:25

1 stop34h 20m

Portland

Tue 31/3

13:15-23:10

1 stop25h 55m

£741

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 26 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, March is the cheapest month in which you can book a flight from Glasgow to State of Washington (average of £374). Flying from Glasgow to State of Washington in December is currently the most expensive (average of £616). 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 6 November 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 6 November 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
1,405 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,365 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.1
Good
571 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,555 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,496 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 12h 25m. Icelandair provides one of the quickest options available for as low as £479. The distance between Glasgow and State of Washington is about 4445 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 £374). Flying from Glasgow to State of Washington in December is currently the most expensive (average of £616). 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 Newark flights
Edinburgh to John F Kennedy Intl flights
Edinburgh to LaGuardia flights
Glasgow Intl to John F Kennedy Intl flights
Glasgow Intl to Newark flights
Glasgow Intl to Orlando flights
Edinburgh to Orlando flights
Edinburgh to Dulles Intl flights
Glasgow Intl to LaGuardia flights
Edinburgh to Boston flights
Edinburgh to Los Angeles flights
Edinburgh to San Francisco flights
Edinburgh to Miami flights
Edinburgh to Denver flights
Glasgow Intl to Miami flights
Edinburgh to Baltimore flights
Glasgow Intl to Los Angeles flights
Edinburgh to Reagan-National flights
Edinburgh to Ontario flights
Glasgow Intl to Dulles Intl flights
Edinburgh to Las Vegas flights
Edinburgh to Atlanta flights
Edinburgh to Seattle flights
Edinburgh to Santa Ana flights
Glasgow Intl to Baltimore flights
Glasgow Intl to Reagan-National flights
Edinburgh to O'Hare Intl flights
Glasgow Intl to Dallas/Fort Worth flights
Glasgow Intl to San Diego flights
Glasgow Intl to Tampa flights
Edinburgh to Sky Harbor Intl flights
Aberdeen to Orlando flights
Glasgow Intl to Nashville flights
Glasgow Intl to Boston flights
Glasgow Intl to Denver flights
Edinburgh to Dallas/Fort Worth flights
Glasgow Intl to San Francisco flights
Edinburgh to Hobby flights
Glasgow Intl to Hobby flights
Inverness to LaGuardia flights
Edinburgh to Midway flights
Edinburgh to Tampa flights
Inverness to Newark flights
Inverness to John F Kennedy Intl flights
Edinburgh to Nashville flights
Edinburgh to Charlotte flights
Edinburgh to George Bush Intcntl flights
Glasgow Intl to Atlanta flights
Glasgow Intl to George Bush Intcntl flights
Aberdeen to Hobby flights

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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£431Average£623FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£435Average£604FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£453Average£676FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£471Average£731FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£475Average£626FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£477Average£619FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£510Average£682FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£523Average£630FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£665Average£833FlexibilityNo 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.