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Cheap flights from Glasgow Intl Airport to Washington from £356

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to Washington departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Glasgow Intl Airport to Washington

Cheap return flights

Logo
08:10 - 20:40GLA-SEA
20h 30m2 stops
Logo
15:45 - 22:20SEA-GLA
22h 35m2 stops
£424
Find Deal
Thu, 25 Sep - Thu, 2 Oct
Icelandair Logo
14:20 - 17:50GLA-SEA
11h 30m1 stop
Icelandair Logo
19:00 - 13:25SEA-GLA
10h 25m1 stop
£490Icelandair
Find Deal
Sat, 6 Sep - Sat, 20 Sep
Icelandair Logo
14:20 - 17:50GLA-SEA
11h 30m1 stop
Icelandair Logo
15:45 - 13:25SEA-GLA
13h 40m1 stop
£494Icelandair
Find Deal
Thu, 25 Sep - Thu, 2 Oct
British Airways Logo
08:40 - 16:55GLA-SEA
16h 15m1 stop
British Airways Logo
18:50 - 19:40SEA-GLA
16h 50m1 stop
£565British Airways
Find Deal
Thu, 1 Jan - Thu, 22 Jan
British Airways Logo
09:55 - 16:55GLA-SEA
15h 00m1 stop
British Airways Logo
18:50 - 19:40SEA-GLA
16h 50m1 stop
£566British Airways
Find Deal
Thu, 1 Jan - Thu, 22 Jan
Delta Logo
06:15 - 16:24GLA-SEA
18h 09m2 stops
Delta Logo
14:10 - 16:10SEA-GLA
18h 00m1 stop
£581Delta
Find Deal
Wed, 27 Aug - Mon, 8 Sep
Delta Logo
06:15 - 18:55GLA-SEA
20h 40m2 stops
Delta Logo
14:10 - 16:10SEA-GLA
18h 00m1 stop
£581Delta
Find Deal
Wed, 27 Aug - Mon, 8 Sep
Air France Logo
06:00 - 11:45GLA-SEA
13h 45m1 stop
Air France Logo
17:40 - 16:10SEA-GLA
14h 30m1 stop
£584Air France
Find Deal
Thu, 11 Sep - Thu, 18 Sep
KLM Logo
16:55 - 11:05GLA-PDX
26h 10m1 stop
KLM Logo
07:15 - 08:10PDX-GLA
16h 55m2 stops
£659KLM
Find Deal
Thu, 4 Sep - Thu, 18 Sep
KLM Logo
16:55 - 11:05GLA-PDX
26h 10m1 stop
KLM Logo
07:15 - 08:10PDX-GLA
16h 55m2 stops
£668KLM
Find Deal
Thu, 4 Sep - Thu, 18 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
1 Jan
GLA08:40Glasgow Intl
16h 15m
1 stop
SEA16:55Seattle/Tacoma Intl
22 Jan
SEA18:50Seattle/Tacoma Intl
16h 50m
1 stop
GLA19:40Glasgow Intl
£565
Find similar
British Airways
1 Jan
GLA09:55Glasgow Intl
15h 00m
1 stop
SEA16:55Seattle/Tacoma Intl
22 Jan
SEA18:50Seattle/Tacoma Intl
16h 50m
1 stop
GLA19:40Glasgow Intl
£566
Find similar
British Airways
1 Jan
GLA08:40Glasgow Intl
16h 15m
1 stop
SEA16:55Seattle/Tacoma Intl
22 Jan
SEA13:40Seattle/Tacoma Intl
17h 30m
2 stops
GLA15:10Glasgow Intl
£578
Find similar

American Airlines flights from Glasgow Intl Airport to State of Washington

Our best American Airlines deals on Glasgow Intl Airport to State of Washington flight tickets
American Airlines
17 Dec
GLA05:55Glasgow Intl
25h 20m
2 stops
SEA23:15Seattle/Tacoma Intl
6 Jan
SEA13:40Seattle/Tacoma Intl
16h 55m
2 stops
GLA14:35Glasgow Intl
£604
Find similar
American Airlines
24 Dec
GLA05:55Glasgow Intl
25h 23m
2 stops
SEA23:18Seattle/Tacoma Intl
5 Jan
SEA23:33Seattle/Tacoma Intl
27h 12m
2 stops
GLA10:45Glasgow Intl
£607
Find similar
American Airlines
25 Dec
GLA13:45Glasgow Intl
29h 45m
1 stop
SEA11:30Seattle/Tacoma Intl
5 Jan
SEA23:33Seattle/Tacoma Intl
27h 12m
2 stops
GLA10:45Glasgow Intl
£637
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Glasgow Intl Airport to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 13 August 2025.
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

Thu 25/9

08:10-20:40

2 stops20h 30m

Seattle/Tacoma Intl

Thu 2/10

15:45-22:20

2 stops22h 35m

£424

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sat 6/9

14:20-17:50

1 stop11h 30m

Seattle/Tacoma Intl

Sat 20/9

19:00-13:25

1 stop10h 25m

£490

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 25/9

14:20-17:50

1 stop11h 30m

Seattle/Tacoma Intl

Thu 2/10

15:45-13:25

1 stop13h 40m

£494

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 1/1

08:40-16:55

1 stop16h 15m

Seattle/Tacoma Intl

Thu 22/1

18:50-19:40

1 stop16h 50m

£565

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 1/1

09:55-16:55

1 stop15h 00m

Seattle/Tacoma Intl

Thu 22/1

18:50-19:40

1 stop16h 50m

£566

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 27/8

06:15-16:24

2 stops18h 09m

Seattle/Tacoma Intl

Mon 8/9

14:10-16:10

1 stop18h 00m

£581

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 27/8

06:15-18:55

2 stops20h 40m

Seattle/Tacoma Intl

Mon 8/9

14:10-16:10

1 stop18h 00m

£581

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 11/9

06:00-11:45

1 stop13h 45m

Seattle/Tacoma Intl

Thu 18/9

17:40-16:10

1 stop14h 30m

£584

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 4/9

16:55-11:05

1 stop26h 10m

Portland

Thu 18/9

07:15-08:10

2 stops16h 55m

£659

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 4/9

16:55-11:05

1 stop26h 10m

Portland

Thu 18/9

07:15-08:10

2 stops16h 55m

£668

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Washington from

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

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 September is also cheap. Prices for this month can be found on momondo for an average of £541.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Glasgow Intl Airport to State of Washington is on a Tuesday. Travellers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as £624. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Saturday is £709.

What is the cheapest time of day to depart on your flight to State of Washington?

Flying to State of Washington from Glasgow Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £603 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to State of Washington is in the morning when prices are around £662.

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 £622 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 £522 on momondo.

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

You could potentially save up to 38% 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

£356

Fastest flight time

11h 30m

Direct flights

None

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from Glasgow Intl Airport in the past 72 hours is £356. The best return flight deal from Glasgow Intl Airport to State of Washington found on momondo in the last 72 hours is £424.
The fastest flight from Glasgow Intl Airport to State of Washington takes 11h 30m
There are no direct flights from Glasgow Intl Airport to State of Washington. Popular non-direct routes for this connection are Glasgow Intl Airport - Portland Airport and Glasgow Intl Airport - Seattle/Tacoma Intl Airport.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)
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?

  • 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
British AirwaysPriceFrom £430Free CancellationRating
6.6
7,265 reviews
Search British Airways flights
KLMPriceFrom £438Free CancellationRating
7.8
1,381 reviews
Search KLM flights
LufthansaPriceFrom £460Free CancellationRating
6.8
7,317 reviews
Search Lufthansa flights
IcelandairPriceFrom £481Free CancellationRating
7.0
526 reviews
Search Icelandair flights
Aer LingusPriceFrom £658Free CancellationRating
7.1
1,210 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.

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