Cheap flights from Glasgow to Seattle from £368
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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Glasgow to Seattle/Tacoma Intl are usually found in February or September, booked 62 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 25 April 2025.
Round-trip from | £602 |
---|---|
One-way from | £368 |
Popular in | August |
Cheapest in | February |
Average price | £628 |
Find flight deals from Glasgow to Seattle
Cheapest flights from Glasgow to SeattleExplore 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 25 April 2025.
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 25 April 2025.
Cheapflights Fare Finder
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 25 April 2025.
Use the filters below to find and compare flights from Glasgow to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Wed 18/6
13:05-18:20
1 stop13h 15m
Seattle/Tacoma Intl
Sat 5/7
13:35-13:20
1 stop15h 45m
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Wed 18/6
05:50-16:00
2 stops18h 10m
Seattle/Tacoma Intl
Wed 2/7
13:28-17:50
2 stops20h 22m
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Sat 7/6
14:20-11:25
1 stop29h 05m
Seattle/Tacoma Intl
Wed 25/6
23:30-13:25
1 stop29h 55m
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Wed 18/6
06:00-14:45
2 stops16h 45m
Seattle/Tacoma Intl
Sat 5/7
17:35-23:10
1 stop21h 35m
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Sun 15/6
10:30-11:40
1 stop33h 10m
Seattle/Tacoma Intl
Wed 2/7
13:30-16:10
2 stops18h 40m
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Mon 16/6
07:35-23:59
2 stops24h 24m
Seattle/Tacoma Intl
Sat 5/7
20:20-16:55
1 stop12h 35m
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Mon 16/6
10:35-11:10
1 stop32h 35m
Seattle/Tacoma Intl
Thu 3/7
13:30-10:15
1 stop12h 45m
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Thu 19/6
06:00-16:47
2 stops18h 47m
Seattle/Tacoma Intl
Sat 5/7
13:30-16:10
2 stops18h 40m
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Mon 16/6
06:10-12:25
1 stop14h 15m
Seattle/Tacoma Intl
Wed 2/7
14:20-12:25
1 stop14h 05m
GlasgowSeattle
GLA - SEA
GLASEA
Glasgow Intl
Mon 4/8
21:50-18:38
3 stops52h 48m
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.
Cheapflights Insights
Everything you need to know about your flight from Glasgow to Seattle
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 18 April 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 62 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 25 April 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 9% 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 25 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Glasgow to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
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.
Travelling to a place near Glasgow?
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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 25 April 2025.
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.