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Cheap flights from Glasgow to Washington from £286

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 19/5. 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
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 8 March 2026.

Thu 30/421:40
GLA
-
SEA
2 stops29h 43m
Multiple Airlines
Sun 3/519:00
SEA
-
GLA
1 stop10h 25m
Multiple Airlines
Deal found 6/3£496
Thu 30/414:20
GLA
-
SEA
1 stop11h 35m
Icelandair
Sun 3/519:00
SEA
-
GLA
1 stop10h 25m
Icelandair
Deal found 6/3£517
Sat 18/419:10
GLA
-
SEA
2 stops51h 09m
Multiple Airlines
Sat 25/419:00
SEA
-
GLA
1 stop10h 35m
Multiple Airlines
Deal found 3/3£529
Wed 22/414:20
GLA
-
SEA
1 stop14h 20m
Icelandair
Sun 26/415:40
SEA
-
GLA
1 stop13h 45m
Icelandair
Deal found 7/3£544
Wed 29/414:20
GLA
-
SEA
1 stop14h 20m
Icelandair
Wed 6/519:00
SEA
-
GLA
1 stop10h 25m
Icelandair
Deal found 5/3£546
Fri 1/507:25
GLA
-
SEA
3 stops34h 15m
Multiple Airlines
Thu 14/519:00
SEA
-
GLA
1 stop10h 35m
Multiple Airlines
Deal found 5/3£551
Fri 1/514:30
GLA
-
SEA
1 stop14h 10m
Icelandair
Tue 5/519:00
SEA
-
GLA
1 stop10h 25m
Icelandair
Deal found 5/3£552
Tue 21/414:20
GLA
-
SEA
1 stop14h 20m
Icelandair
Tue 28/419:00
SEA
-
GLA
1 stop10h 25m
Icelandair
Deal found 7/3£555
Wed 29/407:45
GLA
-
SEA
3 stops33h 55m
Multiple Airlines
Wed 6/519:00
SEA
-
GLA
1 stop10h 25m
Multiple Airlines
Deal found 5/3£573
Thu 7/514:20
GLA
-
SEA
1 stop14h 20m
Icelandair
Mon 11/519:00
SEA
-
GLA
1 stop10h 25m
Icelandair
Deal found 5/3£579
Sat 18/406:30
GLA
-
PDX
2 stops37h 20m
Multiple Airlines
Sat 25/415:30
PDX
-
GLA
1 stop14h 05m
Multiple Airlines
Deal found 4/3£588
Mon 20/407:10
GLA
-
PDX
2 stops45h 40m
Multiple Airlines
Tue 5/515:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Deal found 5/3£625

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 8 March 2026.

Round-trip from

£496

One-way from

£286

Popular in

July

Cheapest in

January

Average price

£564
Icelandair
  • Icelandair
  • 30/4-3/5
  • 3 total stops
  • 40h 08m total
  • Glasgow to Washington
Search Deals
19/5
  • 19/5
  • 3 total stops
  • 53h 25m total
  • Glasgow to Washington
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 8 March 2026.
Use the filters below to find and compare flights from Glasgow to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 22/4

14:20-20:40

1 stop14h 20m

Seattle/Tacoma Intl

Sun 26/4

15:40-13:25

1 stop13h 45m

£544
Fastest return journey

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 1/5

14:30-20:40

1 stop14h 10m

Seattle/Tacoma Intl

Tue 5/5

19:00-13:25

1 stop10h 25m

£552

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sat 18/4

06:30-11:50

2 stops37h 20m

Portland

Sat 25/4

15:30-13:35

1 stop14h 05m

£588

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 23/3

08:20-19:20

1 stop18h 00m

Seattle/Tacoma Intl

Sun 29/3

19:10-21:20

1 stop18h 10m

£600

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 30/4

07:30-22:53

3 stops23h 23m

Seattle/Tacoma Intl

Sun 3/5

19:00-13:25

1 stop10h 25m

£605

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sat 18/4

08:40-10:25

3 stops33h 45m

Seattle/Tacoma Intl

Sat 25/4

19:00-13:35

1 stop10h 35m

£645

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 1/5

12:20-22:38

2 stops18h 18m

Seattle/Tacoma Intl

Tue 5/5

12:34-22:25

2 stops25h 51m

£657

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sun 19/4

10:25-11:45

1 stop33h 20m

Seattle/Tacoma Intl

Sun 26/4

17:35-08:25

1 stop30h 50m

£678

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sat 18/4

17:00-11:10

1 stop26h 10m

Portland

Sat 25/4

13:05-09:40

1 stop12h 35m

£734

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sun 19/4

07:35-17:40

1 stop18h 05m

Portland

Sun 26/4

19:30-17:40

1 stop14h 10m

£740

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 31 resultsSorted by cheapest first
1
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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, May is the cheapest month in which you can book a flight from Glasgow to State of Washington (average of £414). Flying from Glasgow to State of Washington in December is currently the most expensive (average of £593). 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.

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 8 March 2026.
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
7.8
Good
1,467 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,467 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Aer Lingus
7.2
Good
1,471 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.1
Good
617 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,779 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 14h 20m. Icelandair provides one of the quickest options available for as low as £544. 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 - Portland, Glasgow Intl - Seattle/Tacoma Intl 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, May is the cheapest month in which you can book a flight from Glasgow to State of Washington (average of £414). Flying from Glasgow to State of Washington in December is currently the most expensive (average of £593). 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 8 airlines flying from Glasgow to Washington

Discover the top 8 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 8 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£450Average£600FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£458Average£614FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£468Average£583FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£487Average£620FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£509Average£639FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£509Average£631FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£588Average£790FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£646Average£800FlexibilityNo 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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