Cheap flights from Glasgow to Seattle

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Seattle (SEA)
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The best prices from Glasgow to Seattle are usually found in February or March, booked 53 days in advance, depart on a Tuesday or Friday and return on a Monday

How to find the cheapest flight from
Glasgow (GLA) to Seattle (SEA)

All the information you need to plan the best GLA to SEA flight in 2021: compare Glasgow to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
GG1 - SEA
Price
£420 - £688
SEA
Temperature
8 - 25 °C
SEA
Rainfall
18 - 166 mm

Popular in

July

High demand for flights, 27% potential price rise

Cheapest in

February

Best time to find cheap flights, 16% potential price drop

Average price

£447

Average for round-trip flights in May 2021

Round-trip from

£420

From Glasgow to Seattle

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from Glasgow to Seattle?

Monday is generally a great day to depart. Flying on this day could help you save up to 23%.

How far in advance should I book a flight from Glasgow to Seattle?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 52 days in advance, which can save you up to 51% on flights from Glasgow to Seattle compared to booking the week you need them. Waiting 52 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £439. For sooner than that we have options available in the next 3 days from £575.

What is the cheapest month to fly from Glasgow to Seattle?

February is one of the best times of the year to fly to Seattle from Glasgow. Prices for February average £388 per person but you can even find prices for as low as £255. The most expensive prices can be found in the month of July. Opting for a February flight can save you 37% on your journey compared to booking in February

When is the cheapest time to fly from Glasgow to Seattle (GG1 - SEA)?

It’s typically best to fly out from Glasgow to Seattle in the morning. Doing so could potentially save you 50% on the flight price compared to flying in the evening, which is usually more expensive.

Glasgow to Seattle 2021 flight deals

Cheap flights to Seattle from Glasgow found for this year
21 Sep - 21 Oct
£357pp
GLA
Glasgow Intl
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
GLA
Glasgow Intl
9 Oct - 23 Oct
£388pp
GLA
Glasgow Intl
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
GLA
Glasgow Intl
9 Oct - 23 Oct
£391pp
GLA
Glasgow Intl
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
   
2 STOPS
GLA
Glasgow Intl

One-way flights to Seattle from Glasgow

The cheapest one-way flights from Glasgow to Seattle
02:05 - 07:20
Delta
1 stop
13h 15m
GLA - SEA
Delta
£344
Delta
06:55 - 04:55
Multiple Airlines
3 stops
30h 00m
GLA - SEA
Multiple Airlines
£683
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Glasgow</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Glasgow to Seattle

Are flight prices decreasing from Glasgow to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Glasgow and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Glasgow to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Glasgow to Seattle/Tacoma Intl that may be offering flexible cancellation policies are Icelandair, Aer Lingus, and British Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What airport do you fly into for flights to Seattle from Glasgow?

Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Glasgow to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Glasgow; the airport handles an average of 0 inbound flights from Glasgow per day. You should also have plenty of airline options to choose from since 12 airlines have flights to the Seattle airport from Glasgow. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city centre.

Can I find flights from Glasgow to Seattle for under £425 on Cheapflights?

Yes, there are multiple flights from Glasgow to Seattle for under £425. The cheapest flight booked recently is on Icelandair for just £357, but on average you can expect to pay £427.

Are there direct flights from Glasgow to Seattle for under £355 on Cheapflights?

There are no direct flights from Glasgow to Seattle, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is Glasgow weather warmer or cooler than Seattle?

Our data indicates that the weather will be 25 °C on average in the month of July. The temperature in Seattle is typically hotter than in Glasgow. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long does is the flight from Glasgow to Seattle?

There are many flights that can get you from Glasgow to Seattle in 12h 15m. Fly via Icelandair, KLM, or Lufthansa to get the fastest option. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Glasgow to Seattle return?

Flying on Icelandair is currently your cheapest option to Seattle, with prices starting at £357. Additional return tickets that might be worth considering are offered by Lufthansa and KLM, with the lowest prices starting at £422 and £465, respectively. Icelandair is 28% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Glasgow to Seattle one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as £344.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Glasgow to Seattle.
Today's exchange rate
£1 = $1.42
Average temperature for May in Seattle
19.0 °C
Avg rainfall for May in Seattle
45.0 mm

Airports servicing Glasgow

Glasgow Intl (GLA)
Prestwick (PIK)

Airports servicing Seattle

Top 10 airlines flying from Glasgow to Seattle

The chart below displays the airlines Cheapflights users travelling from Glasgow to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
£396 £746 No cancel fee N/A
Search Delta flights
KLM
£452 £761 No cancel fee 75%
Search KLM flights
Virgin Atlantic
£456 £815 No cancel fee 72%
Search Virgin Atlantic flights
British Airways
£451 £821 No cancel fee 70%
Search British Airways flights
Icelandair
£564 £827 No cancel fee 76%
Search Icelandair flights
Air France
£454 £838 No cancel fee 77%
Search Air France flights
United Airlines
£484 £875 No cancel fee 69%
Search United Airlines flights
Aer Lingus
£554 £901 No cancel fee N/A
Search Aer Lingus flights
Lufthansa
£601 £924 No cancel fee 76%
Search Lufthansa flights
American Airlines
£488 £1,180 No cancel fee 71%
Search American Airlines flights
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