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Cheap flights from Glasgow to Seattle from £315

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SEA
14 Jan — 21 Jan1
1 adult

The best prices from Glasgow to Seattle/Tacoma Intl are usually found in February or March, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Glasgow to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 January 2025.

Round-trip from

£403

One-way from

£315

Popular in

August

Cheapest in

February

Average price

£640
British Airways
  • British Airways
  • 18/3-1/4
  • 2 total stops
  • 30h 30m total
  • Glasgow to Seattle
1/6
  • 1/6
  • 3 total stops
  • 54h 33m total
  • Glasgow to Seattle
High demand for flights, 12% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in January 2025

Find flight deals from Glasgow to Seattle

Cheapest flights from Glasgow to Seattle
Explore the most affordable flight options available from Glasgow to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 January 2025.

Tue 18/308:55GLA - SEA
1 stop16h 00mBritish Airways
Tue 1/420:20SEA - GLA
1 stop14h 30mBritish Airways
Deal found 8/1£403
Mon 3/212:35GLA - SEA
1 stop12h 25mIcelandair
Sun 9/214:35SEA - GLA
1 stop11h 20mIcelandair
Deal found 8/1£492
Wed 12/206:05GLA - SEA
1 stop13h 41mDelta
Wed 19/209:25SEA - GLA
2 stops19h 15mDelta
Deal found 7/1£496
Mon 3/217:15GLA - SEA
1 stop26h 31mKLM
Sun 9/209:40SEA - GLA
2 stops16h 15mKLM
Deal found 8/1£527
Fri 2/506:00GLA - SEA
2 stops16h 43mMultiple Airlines
Fri 16/513:55SEA - GLA
1 stop25h 15mMultiple Airlines
Deal found 8/1£574
Mon 19/505:50GLA - SEA
2 stops18h 10mAmerican Airlines
Fri 6/620:20SEA - GLA
1 stop16h 00mAmerican Airlines
Deal found 8/1£604
Fri 2/506:10GLA - SEA
2 stops18h 49mLufthansa
Fri 16/510:00SEA - GLA
2 stops28h 50mLufthansa
Deal found 8/1£611
Fri 14/206:05GLA - SEA
2 stops24h 20mVirgin Atlantic
Fri 28/214:09SEA - GLA
1 stop18h 26mVirgin Atlantic
Deal found 8/1£1,094

Find flights from Glasgow to Seattle within your budget

Customise your flight search to find flights from Glasgow to Seattle 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, Cheapflights users made 858,174 searches. Data last updated 9 January 2025.

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Any airport

Fly to

Any airport

Route

Depart

Return

Price

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 18/3

08:55-17:55

1 stop16h 00m

Seattle/Tacoma Intl

Tue 1/4

20:20-18:50

1 stop14h 30m

£403

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 3/2

12:35-17:00

1 stop12h 25m

Seattle/Tacoma Intl

Sun 9/2

14:35-09:55

1 stop11h 20m

£492

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 12/2

06:05-11:46

1 stop13h 41m

Seattle/Tacoma Intl

Wed 19/2

14:09-16:35

1 stop18h 26m

£496

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 5/2

06:05-11:46

1 stop13h 41m

Seattle/Tacoma Intl

Wed 12/2

06:00-09:55

2 stops19h 55m

£499

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 2/5

06:00-14:43

2 stops16h 43m

Seattle/Tacoma Intl

Fri 16/5

13:55-23:10

1 stop25h 15m

£574

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 19/5

05:50-16:00

2 stops18h 10m

Seattle/Tacoma Intl

Fri 6/6

20:20-20:20

1 stop16h 00m

£604

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 2/5

06:10-16:59

2 stops18h 49m

Seattle/Tacoma Intl

Fri 16/5

10:00-22:50

2 stops28h 50m

£611

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 14/2

06:05-22:25

2 stops24h 20m

Seattle/Tacoma Intl

Fri 28/2

14:09-16:35

1 stop18h 26m

£1,094

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sun 1/6

21:55-20:28

3 stops54h 33m

£315

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sun 1/6

14:20-11:25

1 stop29h 05m

£487

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 11 results
1
2

Best time to book a flight from Glasgow to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Glasgow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Glasgow to Seattle

Get recent, data-driven insights about flights from Glasgow to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Glasgow to Seattle. Price data was last updated on 3 January 2025.

The price you pay for your flight from Glasgow to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Glasgow to Seattle?

Currently, January is the cheapest month in which you can book a flight from Glasgow to Seattle (average of £622). Flying from Glasgow to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GLA to SEA?

Find hourly flight availability from Glasgow to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 January 2025.

One of the essential ways to save on airfare from Glasgow to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 10% on airfare.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 9 January 2025.
8.0
Very Good
8,499 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good
8,499 reviews
8.0
Very Good
8,499 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.8
Good
1,337 reviews
8.0
Very Good
8,499 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.5
Good
662 reviews
8.0
Very Good
8,499 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.2
Good
10,000 reviews
8.0
Very Good
8,499 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.1
Good
498 reviews
8.0
Very Good
8,499 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Glasgow to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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 11 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 center.

  • What are the cheapest airlines flying from Glasgow to Seattle round-trip?

    Cheapflights users have booked flights from Glasgow to Seattle round-trip from £403. Other airlines that can offer you cheap pricing are Icelandair, from £492, and KLM, from £496. These flights start at 38% lower than the current average price 3 months from now.

  • Can I find deals for flights from Glasgow to Seattle that include hotel bookings?

    Yes. In addition to deals on Glasgow to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow to Seattle.

  • Can I find deals for business class flights from Glasgow to Seattle?

    Yes. Cheapflights offers flight deals from Glasgow to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Glasgow to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Glasgow to Seattle (average of £622). Flying from Glasgow to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Glasgow to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Glasgow to Seattle

Discover the top 10 airlines that operate flights from Glasgow to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£457Average£865FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapest£491Average£636FlexibilityNo cancel feeOn-time77%
Search Air France flights
IcelandairCheapest£507Average£648FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£515Average£697FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£517Average£740FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£551Average£670FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£559Average£735FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£573Average£835FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
WestJetCheapest£577Average£735FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapest£614Average£678FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Glasgow to Seattle?

Cheapflights helps you search for flights from Glasgow to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Glasgow to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Glasgow to Seattle.

Can Cheapflights find flights from Glasgow to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Glasgow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Glasgow to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Glasgow to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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