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

Icelandair is the most popular carrier operating from Glasgow to Washington

Which airlines fly to State of Washington?

British Airways, Icelandair and Aer Lingus are the top three most popular airlines that fly to State of Washington from Glasgow according to our data. British Airways is the first choice among our users, with 49% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 8 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Glasgow to Washington?

Prices for flights from Glasgow to Washington are refreshed on a daily basis.

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

As of February 2026, there are 4 operators available to choose from for flights from Glasgow to Washington.

How old do you have to be to fly from Glasgow 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 to Washington.

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

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£303 Cheap Flights from Glasgow to Washington in 2026

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Find the cheapest flights from Glasgow to Washington

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:00 - 17:00

GLA

SEA

35h 00m

2 stops

14:35 - 22:40

SEA

GLA

24h 05m

2 stops

£434Multiple Airlines

Tue, 24 Feb - Thu, 5 Mar

20:40 - 19:23

GLA

SEA

30h 43m

2 stops

19:00 - 13:25

SEA

GLA

10h 25m

1 stop

£480Multiple Airlines

Tue, 5 May - Thu, 14 May

12:35 - 17:00

GLA

SEA

12h 25m

1 stop

14:35 - 09:55

SEA

GLA

11h 20m

1 stop

£528Icelandair

Tue, 24 Feb - Thu, 5 Mar

08:20 - 18:45

GLA

SEA

42h 25m

3 stops

19:00 - 13:25

SEA

GLA

10h 25m

1 stop

£539Multiple Airlines

Tue, 5 May - Thu, 14 May

14:20 - 17:55

GLA

SEA

11h 35m

1 stop

19:00 - 13:25

SEA

GLA

10h 25m

1 stop

£543Icelandair

Fri, 24 Apr - Fri, 8 May

16:05 - 19:19

GLA

SEA

35h 14m

2 stops

23:25 - 13:25

SEA

GLA

30h 00m

1 stop

£553Multiple Airlines

Tue, 26 May - Wed, 10 Jun

06:05 - 12:25

GLA

PDX

13h 20m

1 stop

06:05 - 08:30

PDX

GLA

19h 25m

2 stops

£676Delta

Wed, 11 Mar - Wed, 18 Mar

06:05 - 16:55

GLA

PDX

17h 50m

2 stops

06:05 - 08:30

PDX

GLA

19h 25m

2 stops

£679Delta

Tue, 10 Mar - Tue, 17 Mar

06:10 - 00:35

GLA

PDX

25h 25m

2 stops

07:00 - 12:05

PDX

GLA

22h 05m

2 stops

£712Lufthansa

Mon, 16 Mar - Tue, 24 Mar

07:00 - 22:47

GLA

PDX

23h 47m

2 stops

13:14 - 14:40

PDX

GLA

17h 26m

2 stops

£767British Airways

Fri, 8 May - Tue, 12 May

Icelandair flights from Glasgow to State of Washington

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

Icelandair

24 Feb

GLA12:35Glasgow Intl

12h 25m

1 stop

SEA17:00Seattle/Tacoma Intl

5 Mar

SEA14:35Seattle/Tacoma Intl

11h 20m

1 stop

GLA09:55Glasgow Intl

£528

Icelandair

24 Apr

GLA14:20Glasgow Intl

11h 35m

1 stop

SEA17:55Seattle/Tacoma Intl

8 May

SEA19:00Seattle/Tacoma Intl

10h 25m

1 stop

GLA13:25Glasgow Intl

£543

Icelandair

1 May

GLA14:20Glasgow Intl

11h 35m

1 stop

SEA17:55Seattle/Tacoma Intl

5 May

SEA19:00Seattle/Tacoma Intl

10h 25m

1 stop

GLA13:25Glasgow Intl

£556

British Airways flights from Glasgow to State of Washington

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

British Airways

1 May

GLA08:35Glasgow Intl

23h 55m

2 stops

SEA00:30Seattle/Tacoma Intl

5 May

SEA11:16Seattle/Tacoma Intl

19h 24m

2 stops

GLA14:40Glasgow Intl

£658

British Airways

1 May

GLA09:30Glasgow Intl

23h 00m

2 stops

SEA00:30Seattle/Tacoma Intl

5 May

SEA11:16Seattle/Tacoma Intl

19h 24m

2 stops

GLA14:40Glasgow Intl

£660

British Airways

1 May

GLA07:00Glasgow Intl

12h 35m

1 stop

SEA11:35Seattle/Tacoma Intl

5 May

SEA11:16Seattle/Tacoma Intl

19h 24m

2 stops

GLA14:40Glasgow Intl

£667

Fly from

Fly to

Route

Depart

Return

Price

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 24/2

14:00-17:00

2 stops35h 00m

Seattle/Tacoma Intl

Thu 5/3

14:35-22:40

2 stops24h 05m

£434

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 5/5

20:40-19:23

2 stops30h 43m

Seattle/Tacoma Intl

Thu 14/5

19:00-13:25

1 stop10h 25m

£480

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 24/2

12:35-17:00

1 stop12h 25m

Seattle/Tacoma Intl

Thu 5/3

14:35-09:55

1 stop11h 20m

£528

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 5/5

08:20-18:45

3 stops42h 25m

Seattle/Tacoma Intl

Thu 14/5

19:00-13:25

1 stop10h 25m

£539

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 24/4

14:20-17:55

1 stop11h 35m

Seattle/Tacoma Intl

Fri 8/5

19:00-13:25

1 stop10h 25m

£543

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 26/5

16:05-19:19

2 stops35h 14m

Seattle/Tacoma Intl

Wed 10/6

23:25-13:25

1 stop30h 00m

£553

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 11/3

06:05-12:25

1 stop13h 20m

Portland

Wed 18/3

06:05-08:30

2 stops19h 25m

£676

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 10/3

06:05-16:55

2 stops17h 50m

Portland

Tue 17/3

06:05-08:30

2 stops19h 25m

£679

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 16/3

06:10-00:35

2 stops25h 25m

Portland

Tue 24/3

07:00-12:05

2 stops22h 05m

£712

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 8/5

07:00-22:47

2 stops23h 47m

Portland

Tue 12/5

13:14-14:40

2 stops17h 26m

£767

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 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 £523.

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 when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around £602 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 for as low as £554 on momondo.

Cheap Glasgow to State of Washington flight deals and tips

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

Fastest flight time	11h 35m
Direct flights	None

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

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

Search flight deals

When did momondo last update prices for flights from Glasgow to Washington?
Prices for flights from Glasgow to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Glasgow to Washington?
As of February 2026, there are 4 operators available to choose from for flights from Glasgow to Washington.
How old do you have to be to fly from Glasgow 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 to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Glasgow to State of Washington

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £442	Free Cancellation	Rating 7.1 614 reviews	Search Icelandair flights
United Airlines	PriceFrom £450	Free Cancellation	Rating 7.4 9,283 reviews	Search United Airlines flights
British Airways	PriceFrom £460	Free Cancellation	Rating 6.7 7,733 reviews	Search British Airways flights
KLM	PriceFrom £479	Free Cancellation	Rating 7.7 1,452 reviews	Search KLM flights
Air France	PriceFrom £500	Free Cancellation	Rating 7.4 1,532 reviews	Search Air France flights
Lufthansa	PriceFrom £500	Free Cancellation	Rating 6.8 7,780 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £578	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Aer Lingus	PriceFrom £635	Free Cancellation	Rating 7.2 1,449 reviews	Search Aer Lingus flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Glasgow to Washington for you.

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

Yes. momondo enables you to select and highlight flights to Washington from Glasgow with this policy.

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

Once all potential Glasgow to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.