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 63% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 4 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?

Icelandair and British Airways 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 March 2026, there are 4 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.

£280 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

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

08:00 - 17:10

GLA

SEA

17h 10m

1 stop

19:10 - 21:20

SEA

GLA

18h 10m

1 stop

£519Multiple Airlines

Sun, 10 May - Sun, 17 May

07:25 - 22:40

GLA

SEA

47h 15m

3 stops

14:55 - 09:40

SEA

GLA

34h 45m

3 stops

£555Multiple Airlines

Fri, 8 May - Mon, 8 Jun

14:30 - 17:55

GLA

SEA

11h 25m

1 stop

19:00 - 13:25

SEA

GLA

10h 25m

1 stop

£566Icelandair

Fri, 8 May - Mon, 8 Jun

08:00 - 18:45

GLA

SEA

18h 45m

2 stops

19:00 - 13:35

SEA

GLA

10h 35m

1 stop

£571Multiple Airlines

Sun, 10 May - Sun, 17 May

14:20 - 20:40

GLA

SEA

14h 20m

1 stop

19:00 - 13:25

SEA

GLA

10h 25m

1 stop

£577Icelandair

Wed, 6 May - Sun, 10 May

14:20 - 17:55

GLA

SEA

11h 35m

1 stop

19:00 - 13:25

SEA

GLA

10h 25m

1 stop

£579Icelandair

Wed, 6 May - Sun, 10 May

06:00 - 11:10

GLA

PDX

13h 10m

1 stop

13:05 - 12:55

PDX

GLA

15h 50m

1 stop

£761Delta

Wed, 16 Sep - Wed, 30 Sep

09:50 - 00:47

GLA

PDX

22h 57m

2 stops

10:58 - 16:30

PDX

GLA

21h 32m

2 stops

£762Lufthansa

Wed, 16 Sep - Wed, 30 Sep

09:50 - 00:47

GLA

PDX

22h 57m

2 stops

10:58 - 16:30

PDX

GLA

21h 32m

2 stops

£763Lufthansa

Wed, 16 Sep - Wed, 30 Sep

06:00 - 11:10

GLA

PDX

13h 10m

1 stop

13:38 - 16:10

PDX

GLA

18h 32m

2 stops

£764Delta

Wed, 16 Sep - Wed, 30 Sep

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

6 May

GLA06:25Glasgow Intl

24h 13m

2 stops

SEA22:38Seattle/Tacoma Intl

10 May

SEA20:20Seattle/Tacoma Intl

15h 15m

1 stop

GLA19:35Glasgow Intl

£762

British Airways

30 Jul

GLA07:00Glasgow Intl

12h 35m

1 stop

SEA11:35Seattle/Tacoma Intl

2 Sept

SEA20:20Seattle/Tacoma Intl

13h 30m

1 stop

GLA17:50Glasgow Intl

£774

British Airways

13 Jun

GLA19:45Glasgow Intl

23h 50m

1 stop

SEA11:35Seattle/Tacoma Intl

28 Jun

SEA13:30Seattle/Tacoma Intl

23h 55m

1 stop

GLA21:25Glasgow Intl

£797

Icelandair flights from Glasgow Intl Airport to State of Washington

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

Icelandair

8 May

GLA14:30Glasgow Intl

11h 25m

1 stop

SEA17:55Seattle/Tacoma Intl

8 Jun

SEA19:00Seattle/Tacoma Intl

10h 25m

1 stop

GLA13:25Glasgow Intl

£566

Icelandair

6 May

GLA14:20Glasgow Intl

14h 20m

1 stop

SEA20:40Seattle/Tacoma Intl

10 May

SEA19:00Seattle/Tacoma Intl

10h 25m

1 stop

GLA13:25Glasgow Intl

£577

Icelandair

6 May

GLA14:20Glasgow Intl

11h 35m

1 stop

SEA17:55Seattle/Tacoma Intl

10 May

SEA19:00Seattle/Tacoma Intl

10h 25m

1 stop

GLA13:25Glasgow Intl

£579

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

Sun 10/5

08:00-17:10

1 stop17h 10m

Seattle/Tacoma Intl

Sun 17/5

19:10-21:20

1 stop18h 10m

£519

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 8/5

07:25-22:40

3 stops47h 15m

Seattle/Tacoma Intl

Mon 8/6

14:55-09:40

3 stops34h 45m

£555

Fastest return journey

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 8/5

14:30-17:55

1 stop11h 25m

Seattle/Tacoma Intl

Mon 8/6

19:00-13:25

1 stop10h 25m

£566

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sun 10/5

08:00-18:45

2 stops18h 45m

Seattle/Tacoma Intl

Sun 17/5

19:00-13:35

1 stop10h 35m

£570

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 6/5

14:20-20:40

1 stop14h 20m

Seattle/Tacoma Intl

Sun 10/5

19:00-13:25

1 stop10h 25m

£577

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 6/5

14:20-17:55

1 stop11h 35m

Seattle/Tacoma Intl

Sun 10/5

19:00-13:25

1 stop10h 25m

£579

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

06:00-11:10

1 stop13h 10m

Portland

Wed 30/9

13:05-12:55

1 stop15h 50m

£761

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

09:50-00:47

2 stops22h 57m

Portland

Wed 30/9

10:58-16:30

2 stops21h 32m

£762

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

09:50-00:47

2 stops22h 57m

Portland

Wed 30/9

10:58-16:30

2 stops21h 32m

£763

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

06:00-11:10

1 stop13h 10m

Portland

Wed 30/9

13:38-16:10

2 stops18h 32m

£764

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 January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £537.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around £619 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Glasgow Intl Airport for as low as £536 on momondo.

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

You could potentially save up to 67% 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

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 March 2026, there are 4 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 £454	Free Cancellation	Rating 7.0 627 reviews	Search Icelandair flights
British Airways	PriceFrom £472	Free Cancellation	Rating 6.7 7,825 reviews	Search British Airways flights
KLM	PriceFrom £502	Free Cancellation	Rating 7.8 1,477 reviews	Search KLM flights
Aer Lingus	PriceFrom £753	Free Cancellation	Rating 7.2 1,491 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.