Cheap flights from Glasgow to Seattle-Tacoma International

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The best prices from Glasgow to Seattle-Tacoma International 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-Tacoma International (SEA)

All the information you need to plan the best GLA to SEA flight in 2021: compare Glasgow to Seattle-Tacoma International flight prices with the expected peak season, weather and rainfall in Seattle-Tacoma International.
GG1 - SEA
Price
£421 - £690

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

£448

Average for round-trip flights in May 2021

Round-trip from

£421

From Glasgow to Seattle-Tacoma International

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-Tacoma International?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Seattle-Tacoma International. Check prices with Cheapflights to find a great deal for your trip.

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

To save on the cost of your flight from Glasgow to Seattle-Tacoma International, book at least 52 days before your planned departure. Booking around this time can save you about 51% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £440 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £576.

What is the cheapest month to fly from Glasgow to Seattle-Tacoma International?

Our data shows that February tends to be the cheapest month to fly to Seattle-Tacoma International from Glasgow. Users have commonly found prices around £388 for the month, but tickets can be as low as £256. Due to multiple factors, prepare for potentially higher prices in July.

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

When flying from Glasgow to Seattle-Tacoma International, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 50% versus a flight in the evening.

Glasgow to Seattle-Tacoma International 2021 flight deals

Cheap flights to Seattle-Tacoma International 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
21 Sep - 21 Oct
£412pp
GLA
Glasgow Intl
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
GLA
Glasgow Intl
3 Aug - 9 Sep
£413pp
GLA
Glasgow Intl
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
GLA
Glasgow Intl

One-way flights to Seattle-Tacoma International from Glasgow

The cheapest one-way flights from Glasgow to Seattle-Tacoma International
02:05 - 13:39
Delta
2 stops
19h 34m
GLA - SEA
Delta
£355
Delta
06:55 - 04:55
Multiple Airlines
3 stops
30h 00m
GLA - SEA
Multiple Airlines
£682
Kiwi.com
07:25 - 13:40
Aer Lingus
1 stop
14h 15m
GLA - SEA
Aer Lingus
£803
Bookingwiz.co.th

Related info for your journey

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

Flight FAQs

From Glasgow to Seattle-Tacoma International

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-Tacoma International for under £426 on Cheapflights?

Yes, there are multiple flights from Glasgow to Seattle-Tacoma International for under £426. The cheapest flight booked recently is on Icelandair for just £357, but on average you can expect to pay £453.

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

There are no direct flights from Glasgow to Seattle-Tacoma International, 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-Tacoma International?

Departing from Glasgow to Seattle-Tacoma International will take you 12h 15m. 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-Tacoma International return?

Cheapflights users have booked flights from Glasgow to Seattle-Tacoma International from £358 return. Other airlines that can offer you cheap pricing are Lufthansa, from £434, and KLM, from £501. Icelandair is currently priced 28% below the average price you’ll pay for this route.

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

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as £345. Check flights for Aer Lingus, as they currently have the next best price.

Destination information for Seattle-Tacoma International

Things to know before you go - useful duration and weather info for your trip from Glasgow to Seattle-Tacoma International.
Today's exchange rate
£1 = $1.41

Airports servicing Glasgow

Glasgow Intl (GLA)
Prestwick (PIK)

Airports servicing Seattle

Top 10 airlines flying from Glasgow to Seattle-Tacoma International

The chart below displays the airlines Cheapflights users travelling from Glasgow to Seattle-Tacoma International 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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