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

British Airways, Icelandair, and United Airlines are the most popular carriers operating from Glasgow Intl to Washington

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.

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

As of June 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.

£338 Cheap Flights from Glasgow Intl Airport to State of Washington in 2026

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Find the cheapest flights from Glasgow Intl Airport to Washington

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

22:35 - 09:40

GLA

SEA

43h 05m

3 stops

15:40 - 15:30

SEA

GLA

15h 50m

2 stops

£506Multiple Airlines

Wed, 26 Aug - Sat, 29 Aug

22:35 - 21:00

GLA

SEA

30h 25m

3 stops

23:25 - 13:25

SEA

GLA

30h 00m

1 stop

£507Multiple Airlines

Wed, 26 Aug - Sat, 29 Aug

22:35 - 21:00

GLA

SEA

30h 25m

3 stops

15:40 - 22:50

SEA

GLA

23h 10m

3 stops

£515Multiple Airlines

Wed, 26 Aug - Sat, 29 Aug

12:00 - 17:10

GLA

SEA

13h 10m

1 stop

19:50 - 18:15

SEA

GLA

15h 25m

1 stop

£557British Airways

Tue, 6 Oct - Tue, 27 Oct

14:20 - 20:40

GLA

SEA

14h 20m

1 stop

19:00 - 13:25

SEA

GLA

10h 25m

1 stop

£584Icelandair

Wed, 29 Jul - Mon, 17 Aug

14:20 - 17:55

GLA

PDX

11h 35m

1 stop

15:30 - 13:25

PDX

GLA

13h 55m

1 stop

£719Icelandair

Wed, 16 Sep - Wed, 30 Sep

06:00 - 11:10

GLA

PDX

13h 10m

1 stop

13:05 - 16:10

PDX

GLA

19h 05m

1 stop

£777Air France

Wed, 16 Sep - Wed, 30 Sep

06:00 - 11:10

GLA

PDX

13h 10m

1 stop

13:05 - 16:10

PDX

GLA

19h 05m

1 stop

£778Air France

Wed, 16 Sep - Wed, 30 Sep

06:00 - 11:10

GLA

PDX

13h 10m

1 stop

09:44 - 12:55

PDX

GLA

19h 11m

2 stops

£778Delta

Wed, 16 Sep - Wed, 30 Sep

06:00 - 11:10

GLA

PDX

13h 10m

1 stop

09:44 - 12:55

PDX

GLA

19h 11m

2 stops

£780Delta

Wed, 16 Sep - Wed, 30 Sep

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Virgin Atlantic flights from Glasgow Intl Airport to State of Washington

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

Virgin Atlantic

6 Oct

GLA09:10Glasgow Intl

19h 40m

2 stops

SEA20:50Seattle/Tacoma Intl

27 Oct

SEA08:25Seattle/Tacoma Intl

17h 05m

2 stops

GLA08:30Glasgow Intl

£687

Virgin Atlantic

6 Oct

GLA09:10Glasgow Intl

19h 40m

2 stops

SEA20:50Seattle/Tacoma Intl

27 Oct

SEA08:25Seattle/Tacoma Intl

17h 05m

2 stops

GLA08:30Glasgow Intl

£688

Virgin Atlantic

13 Jul

GLA09:10Glasgow Intl

34h 00m

1 stop

PDX11:10Portland

27 Jul

PDX13:05Portland

15h 50m

1 stop

GLA12:55Glasgow Intl

£888

Delta flights from Glasgow Intl Airport to State of Washington

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

Delta

17 Oct

GLA06:00Glasgow Intl

13h 52m

1 stop

SEA11:52Seattle/Tacoma Intl

20 Oct

SEA13:40Seattle/Tacoma Intl

18h 30m

2 stops

GLA16:10Glasgow Intl

£684

Delta

17 Oct

GLA06:00Glasgow Intl

18h 53m

2 stops

SEA16:53Seattle/Tacoma Intl

20 Oct

SEA13:30Seattle/Tacoma Intl

18h 40m

2 stops

GLA16:10Glasgow Intl

£692

Delta

7 Sept

GLA13:30Glasgow Intl

30h 17m

1 stop

SEA11:47Seattle/Tacoma Intl

9 Dec

SEA09:30Seattle/Tacoma Intl

19h 15m

2 stops

GLA12:45Glasgow Intl

£704

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 - SEA

GLASEA

Glasgow Intl

Wed 26/8

22:35-09:40

3 stops43h 05m

Seattle/Tacoma Intl

Sat 29/8

15:40-15:30

2 stops15h 50m

£506

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 26/8

22:35-21:00

3 stops30h 25m

Seattle/Tacoma Intl

Sat 29/8

23:25-13:25

1 stop30h 00m

£507

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 26/8

22:35-21:00

3 stops30h 25m

Seattle/Tacoma Intl

Sat 29/8

15:40-22:50

3 stops23h 10m

£515

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 6/10

12:00-17:10

1 stop13h 10m

Seattle/Tacoma Intl

Tue 27/10

19:50-18:15

1 stop15h 25m

£557

Fastest return journey

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 29/7

14:20-20:40

1 stop14h 20m

Seattle/Tacoma Intl

Mon 17/8

19:00-13:25

1 stop10h 25m

£584

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

14:20-17:55

1 stop11h 35m

Portland

Wed 30/9

15:30-13:25

1 stop13h 55m

£719

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

06:00-11:10

1 stop13h 10m

Portland

Wed 30/9

13:05-16:10

1 stop19h 05m

£777

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

06:00-11:10

1 stop13h 10m

Portland

Wed 30/9

13:05-16:10

1 stop19h 05m

£778

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

06:00-11:10

1 stop13h 10m

Portland

Wed 30/9

09:44-12:55

2 stops19h 11m

£778

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

06:00-11:10

1 stop13h 10m

Portland

Wed 30/9

09:44-12:55

2 stops19h 11m

£780

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 April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £436.

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

Fastest flight time	11h 35m
Direct flights	None

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 June 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 £456	Free Cancellation	Rating 7.0 694 reviews	Search Icelandair flights
British Airways	PriceFrom £551	Free Cancellation	Rating 6.7 8,087 reviews	Search British Airways flights
Aer Lingus	PriceFrom £613	Free Cancellation	Rating 7.3 1,632 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.