Which airlines fly to State of Washington?

Icelandair, British Airways and Aer Lingus are the top three most popular airlines that fly to State of Washington from Glasgow Intl Airport according to our data. Icelandair is the first choice among our users, with 75% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Glasgow Intl to Washington?

British Airways and WestJet are the most popular carriers operating from Glasgow Intl to Washington

How many operators does momondo search for flights from Glasgow Intl Airport to Washington?

As of August 2026, there are 3 operators available to choose from for flights from Glasgow Intl Airport to Washington.

How old do you have to be to fly from Glasgow Intl Airport to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow Intl Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£308 Cheap Flights from Glasgow Intl Airport to State of Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Glasgow Intl Airport to Washington

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:10 - 10:35GLA Glasgow Intl-SEA Seattle/Tacoma Intl

31h 25m2 stops Dublin New York John F Kennedy Intl

19:00 - 13:25SEA Seattle/Tacoma Intl-GLA Glasgow Intl

10h 25m1 stop Reykjavik Keflavik Intl

£510Multiple Airlines

Sat, 3 Oct - Tue, 13 Oct

07:10 - 21:59GLA Glasgow Intl-SEA Seattle/Tacoma Intl

22h 49m2 stops Dublin Boston Logan Intl

19:00 - 13:25SEA Seattle/Tacoma Intl-GLA Glasgow Intl

10h 25m1 stop Reykjavik Keflavik Intl

£519Multiple Airlines

Mon, 5 Oct - Mon, 12 Oct

14:20 - 17:55GLA Glasgow Intl-SEA Seattle/Tacoma Intl

11h 35m1 stop Reykjavik Keflavik Intl

15:35 - 09:55SEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

£591Icelandair

Tue, 6 Oct - Tue, 27 Oct

11:00 - 09:31GLA Glasgow Intl-PDX Portland

30h 31m2 stops Toronto Pearson Intl Vancouver Intl

15:30 - 13:25PDX Portland-GLA Glasgow Intl

13h 55m1 stop Reykjavik Keflavik Intl

£593Multiple Airlines

Wed, 16 Sep - Thu, 22 Oct

14:20 - 17:55GLA Glasgow Intl-SEA Seattle/Tacoma Intl

11h 35m1 stop Reykjavik Keflavik Intl

15:35 - 09:55SEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

£599Icelandair

Tue, 6 Oct - Tue, 27 Oct

14:20 - 17:55GLA Glasgow Intl-SEA Seattle/Tacoma Intl

11h 35m1 stop Reykjavik Keflavik Intl

15:35 - 09:55SEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

£599Icelandair

Tue, 6 Oct - Tue, 27 Oct

06:35 - 11:35GLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 00m1 stop London Heathrow

20:20 - 19:35SEA Seattle/Tacoma Intl-GLA Glasgow Intl

15h 15m1 stop London Heathrow

£676British Airways

Sat, 17 Oct - Tue, 20 Oct

05:55 - 11:35GLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 40m1 stop London Heathrow

15:14 - 15:50SEA Seattle/Tacoma Intl-GLA Glasgow Intl

17h 36m2 stops Chicago O'Hare Intl London Heathrow

£677British Airways

Tue, 6 Oct - Tue, 27 Oct

21:25 - 17:10GLA Glasgow Intl-SEA Seattle/Tacoma Intl

27h 45m1 stop Dublin

19:10 - 15:25SEA Seattle/Tacoma Intl-GLA Glasgow Intl

12h 15m1 stop Dublin

£753Aer Lingus

Wed, 9 Sep - Sun, 13 Sep

08:35 - 22:37GLA Glasgow Intl-SEA Seattle/Tacoma Intl

22h 02m2 stops Dublin Boston Logan Intl

23:42 - 12:50SEA Seattle/Tacoma Intl-GLA Glasgow Intl

29h 08m2 stops Boston Logan Intl Dublin

£778Aer Lingus

Wed, 9 Sep - Sun, 13 Sep

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British Airways flights from Glasgow Intl Airport to State of Washington

Our best British Airways deals on Glasgow Intl Airport to State of Washington flight tickets

British Airways

17 Oct

GLA06:35Glasgow Intl

13h 00m

1 stop

SEA11:35Seattle/Tacoma Intl

20 Oct

SEA20:20Seattle/Tacoma Intl

15h 15m

1 stop

GLA19:35Glasgow Intl

£676

British Airways

5 Oct

GLA05:50Glasgow Intl

13h 45m

1 stop

SEA11:35Seattle/Tacoma Intl

12 Oct

SEA20:20Seattle/Tacoma Intl

14h 20m

1 stop

GLA18:40Glasgow Intl

£678

British Airways

6 Oct

GLA05:55Glasgow Intl

13h 40m

1 stop

SEA11:35Seattle/Tacoma Intl

27 Oct

SEA15:14Seattle/Tacoma Intl

17h 36m

2 stops

GLA15:50Glasgow Intl

£679

Finnair flights from Glasgow Intl Airport to State of Washington

Our best Finnair deals on Glasgow Intl Airport to State of Washington flight tickets

Finnair

6 Oct

GLA13:05Glasgow Intl

30h 30m

1 stop

SEA11:35Seattle/Tacoma Intl

27 Oct

SEA10:31Seattle/Tacoma Intl

21h 04m

2 stops

GLA14:35Glasgow Intl

£611

Finnair

6 Oct

GLA14:35Glasgow Intl

42h 01m

2 stops

SEA00:36Seattle/Tacoma Intl

27 Oct

SEA10:31Seattle/Tacoma Intl

21h 04m

2 stops

GLA14:35Glasgow Intl

£616

Finnair

22 Sept

GLA13:05Glasgow Intl

43h 06m

2 stops

SEA00:11Seattle/Tacoma Intl

30 Sept

SEA13:30Seattle/Tacoma Intl

12h 50m

1 stop

GLA10:20Glasgow Intl

£616

momondo Fare Finder

Use the filters below to find and compare flights from Glasgow Intl Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Sat 3/10

11:10-10:35

2 stops31h 25m

Seattle/Tacoma Intl

Tue 13/10

19:00-13:25

1 stop10h 25m

£510

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Mon 5/10

07:10-21:59

2 stops22h 49m

Seattle/Tacoma Intl

Mon 12/10

19:00-13:25

1 stop10h 25m

£519

Fastest return journey

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Tue 6/10

14:20-17:55

1 stop11h 35m

Seattle/Tacoma Intl

Tue 27/10

15:35-09:55

1 stop11h 20m

£591

GlasgowPortland

GLA Glasgow Intl - PDX Portland

GLAPDX

Glasgow Intl

Wed 16/9

11:00-09:31

2 stops30h 31m

Portland

Thu 22/10

15:30-13:25

1 stop13h 55m

£593

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Tue 6/10

14:20-17:55

1 stop11h 35m

Seattle/Tacoma Intl

Tue 27/10

15:35-09:55

1 stop11h 20m

£599

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Tue 6/10

14:20-17:55

1 stop11h 35m

Seattle/Tacoma Intl

Tue 27/10

15:35-09:55

1 stop11h 20m

£599

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Sat 17/10

06:35-11:35

1 stop13h 00m

Seattle/Tacoma Intl

Tue 20/10

20:20-19:35

1 stop15h 15m

£676

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Tue 6/10

05:55-11:35

1 stop13h 40m

Seattle/Tacoma Intl

Tue 27/10

15:14-15:50

2 stops17h 36m

£677

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Wed 9/9

21:25-17:10

1 stop27h 45m

Seattle/Tacoma Intl

Sun 13/9

19:10-15:25

1 stop12h 15m

£753

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Wed 9/9

08:35-22:37

2 stops22h 02m

Seattle/Tacoma Intl

Sun 13/9

23:42-12:50

2 stops29h 08m

£778

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Glasgow Intl Airport to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to State of Washington?

If you aren’t able to travel to State of Washington during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £481.

Can stopping save me money on Glasgow Intl Airport to State of Washington flights?

You could potentially save up to 66% on your flight if you consider stops on a Glasgow Intl Airport to State of Washington flight.

Cheap Glasgow Intl Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to State of Washington

Best price found	£308
Fastest flight time	11h 35m
Direct flights	None

The best one-way flight to State of Washington from Glasgow Intl Airport in the past 72 hours is £308. The best return flight deal from Glasgow Intl Airport to State of Washington found on momondo in the last 72 hours is £510.

The fastest flight from Glasgow Intl Airport to State of Washington takes 11h 35m

There are no direct flights from Glasgow Intl Airport to State of Washington. There are no popular flight routes from Glasgow Intl Airport to State of Washington.

Search flight deals

Frequently asked questions about flying from Glasgow Intl Airport to Washington

When did momondo last update prices for flights from Glasgow Intl Airport to Washington?
Prices for flights from Glasgow Intl Airport to Washington refresh daily.
How many operators does momondo search for flights from Glasgow Intl Airport to Washington?
As of August 2026, there are 3 operators available to choose from for flights from Glasgow Intl Airport to Washington.
How old do you have to be to fly from Glasgow Intl Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Glasgow Intl Airport to State of Washington

Compare and see reviews for airlines that fly from Glasgow Intl Airport to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £442	Free Cancellation	Rating 6.9 732 reviews	Search Icelandair flights
British Airways	PriceFrom £535	Free Cancellation	Rating 6.7 8,183 reviews	Search British Airways flights
Aer Lingus	PriceFrom £594	Free Cancellation	Rating 7.3 1,713 reviews	Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Glasgow to Washington?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Glasgow to Washington . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Glasgow to Washington with flexible booking policies on momondo?

All flight searches from Glasgow to Washington on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Glasgow to Washington?

momondo provides multiple filters to help you find the best flight to Washington from Glasgow. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Glasgow to Washington right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Glasgow to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.