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

Icelandair is the most popular carrier operating from Glasgow Intl to Washington

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

The number of operators available for flights from Glasgow Intl Airport to Washington is 1 as of February 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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.

$414 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 round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 5:00 pm

GLA

SEA

35h 00m

2 stops

2:35 pm - 10:40 pm

SEA

GLA

24h 05m

2 stops

$593Multiple Airlines

Tue, Feb 24 - Thu, Mar 5

8:40 pm - 7:23 pm

GLA

SEA

30h 43m

2 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$656Multiple Airlines

Tue, May 5 - Thu, May 14

12:35 pm - 5:00 pm

GLA

SEA

12h 25m

1 stop

2:35 pm - 9:55 am

SEA

GLA

11h 20m

1 stop

$721Icelandair

Tue, Feb 24 - Thu, Mar 5

8:20 am - 6:45 pm

GLA

SEA

42h 25m

3 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$736Multiple Airlines

Tue, May 5 - Thu, May 14

2:20 pm - 5:55 pm

GLA

SEA

11h 35m

1 stop

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$741Icelandair

Fri, Apr 24 - Fri, May 8

4:05 pm - 7:19 pm

GLA

SEA

35h 14m

2 stops

11:25 pm - 1:25 pm

SEA

GLA

30h 00m

1 stop

$755Multiple Airlines

Tue, May 26 - Wed, Jun 10

6:05 am - 12:25 pm

GLA

PDX

13h 20m

1 stop

6:05 am - 8:30 am

PDX

GLA

19h 25m

2 stops

$923Delta

Wed, Mar 11 - Wed, Mar 18

6:05 am - 4:55 pm

GLA

PDX

17h 50m

2 stops

6:05 am - 8:30 am

PDX

GLA

19h 25m

2 stops

$928Delta

Tue, Mar 10 - Tue, Mar 17

6:10 am - 12:35 am

GLA

PDX

25h 25m

2 stops

7:00 am - 12:05 pm

PDX

GLA

22h 05m

2 stops

$973Lufthansa

Mon, Mar 16 - Tue, Mar 24

7:00 am - 10:47 pm

GLA

PDX

23h 47m

2 stops

1:14 pm - 2:40 pm

PDX

GLA

17h 26m

2 stops

$1,047British Airways

Fri, May 8 - Tue, May 12

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

Feb 24

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Mar 5

SEA2:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

$721

Icelandair

Apr 24

GLA2:20 pmGlasgow Intl

11h 35m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

May 8

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$741

Icelandair

May 1

GLA2:20 pmGlasgow Intl

11h 35m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

May 5

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$759

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

May 1

GLA8:35 amGlasgow Intl

23h 55m

2 stops

SEA12:30 amSeattle/Tacoma Intl

May 5

SEA11:16 amSeattle/Tacoma Intl

19h 24m

2 stops

GLA2:40 pmGlasgow Intl

$899

British Airways

May 1

GLA12:20 pmGlasgow Intl

18h 18m

2 stops

SEA10:38 pmSeattle/Tacoma Intl

May 5

SEA11:16 amSeattle/Tacoma Intl

19h 24m

2 stops

GLA2:40 pmGlasgow Intl

$901

British Airways

May 1

GLA9:30 amGlasgow Intl

23h 00m

2 stops

SEA12:30 amSeattle/Tacoma Intl

May 5

SEA11:16 amSeattle/Tacoma Intl

19h 24m

2 stops

GLA2:40 pmGlasgow Intl

$902

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

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 2/24

2:00 pm-5:00 pm

2 stops35h 00m

Seattle/Tacoma Intl

Thu 3/5

2:35 pm-10:40 pm

2 stops24h 05m

$593

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 5/5

8:40 pm-7:23 pm

2 stops30h 43m

Seattle/Tacoma Intl

Thu 5/14

7:00 pm-1:25 pm

1 stop10h 25m

$656

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 2/24

12:35 pm-5:00 pm

1 stop12h 25m

Seattle/Tacoma Intl

Thu 3/5

2:35 pm-9:55 am

1 stop11h 20m

$721

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 5/5

8:20 am-6:45 pm

3 stops42h 25m

Seattle/Tacoma Intl

Thu 5/14

7:00 pm-1:25 pm

1 stop10h 25m

$736

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 4/24

2:20 pm-5:55 pm

1 stop11h 35m

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-1:25 pm

1 stop10h 25m

$741

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 5/26

4:05 pm-7:19 pm

2 stops35h 14m

Seattle/Tacoma Intl

Wed 6/10

11:25 pm-1:25 pm

1 stop30h 00m

$755

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 3/11

6:05 am-12:25 pm

1 stop13h 20m

Portland

Wed 3/18

6:05 am-8:30 am

2 stops19h 25m

$923

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 3/10

6:05 am-4:55 pm

2 stops17h 50m

Portland

Tue 3/17

6:05 am-8:30 am

2 stops19h 25m

$928

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 3/16

6:10 am-12:35 am

2 stops25h 25m

Portland

Tue 3/24

7:00 am-12:05 pm

2 stops22h 05m

$973

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 5/8

7:00 am-10:47 pm

2 stops23h 47m

Portland

Tue 5/12

1:14 pm-2:40 pm

2 stops17h 26m

$1,047

Flights are sorted by cheapest round-trip 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?

The month of January is, on average, the cheapest month to fly to State of Washington from Glasgow Intl Airport, with most prices found around $656. 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 $714.

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 $822 when searching weeks out. 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 $757 on momondo.

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

You could potentially save up to 22% 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?
The number of operators available for flights from Glasgow Intl Airport to Washington is 1 as of February 2026.
How old do you have to be to fly from Glasgow Intl Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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
British Airways	PriceFrom $814	Free Cancellation	Rating 6.7 7,736 reviews		Search British Airways flights

Why use momondo?

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

Finding the right flight to Washington from Glasgow is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Glasgow.

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

Yes momondo offers price alerts on flights to Washington from Glasgow. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.