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Cheap first class flights to Seattle in 2026
Find the latest flights to Seattle in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 7,457,451 searches and data were last updated on 21 August 2026.
Explore the most affordable first class flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 21 August 2026.
Fri 30/1013:30 -
1 stop17h 40m
Wed 4/1113:35 -
1 stop14h 35m
Deal found 20/8£5,345
Sun 18/1009:15 -
1 stop16h 51m
Sat 31/1014:26 -
1 stop14h 44m
Deal found 16/8£5,821
Fri 30/1014:55 -
Nonstop9h 55m
Wed 4/1118:45 -
Nonstop9h 25m
Deal found 20/8£6,263
Sun 18/1016:30 -
Nonstop9h 55m
Sat 31/1019:45 -
Nonstop9h 25m
Deal found 16/8£6,500
Wed 2/908:55 -
1 stop15h 46m
Mon 7/920:20 -
Nonstop9h 25m
Deal found 19/8£15,051
Best first class flights to Seattle
Discover carefully curated first class flight deals to Seattle that have cost, travel time, and stopover in mind to ensure you get the best travel experience. Data last updated 21 August 2026.
Sun 18/1009:15 -
1 stop16h 51m
Sat 31/1014:26 -
1 stop14h 44m
Deal found 16/8£5,821
Fri 30/1014:55 -
Nonstop9h 55m
Wed 4/1118:45 -
Nonstop9h 25m
Deal found 20/8£6,263
Sun 18/1016:30 -
Nonstop9h 55m
Sat 31/1019:45 -
Nonstop9h 25m
Deal found 16/8£6,500
Fri 30/1013:30 -
1 stop17h 40m
Wed 4/1118:45 -
Nonstop9h 25m
Deal found 20/8£6,911
Wed 2/908:55 -
1 stop15h 46m
Mon 7/920:20 -
Nonstop9h 25m
Deal found 19/8£15,051
Sat 19/916:30 -
Nonstop9h 55m
Deal found 20/8£7,329
Sun 27/912:10 -
2 stops30h 15m
Deal found 16/8£10,606
Tue 15/909:50 -
Nonstop9h 45m
Deal found 20/8£8,747
Sat 26/909:50 -
Nonstop9h 45m
Deal found 16/8£9,464
Thu 24/909:50 -
Nonstop9h 45m
Deal found 16/8£9,464
Wed 23/909:50 -
Nonstop9h 45m
Deal found 16/8£9,482
One-way first class flights to Seattle
Search for one-way first class flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.
Fri 25/909:50 -
Nonstop9h 45m
Deal found 16/8£6,301
Sat 19/916:30 -
Nonstop9h 55m
Deal found 20/8£7,329
Tue 15/909:50 -
Nonstop9h 45m
Deal found 20/8£8,747
Thu 24/909:50 -
Nonstop9h 45m
Deal found 16/8£9,464
Wed 23/909:50 -
Nonstop9h 45m
Deal found 16/8£9,482
Sun 27/912:10 -
2 stops30h 15m
Deal found 16/8£10,606
Quickest first class flights to Seattle
Explore quickest first class flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.
Fri 30/1014:55 -
Nonstop9h 55m
Wed 4/1118:45 -
Nonstop9h 25m
Deal found 20/8£6,263
Sun 18/1016:30 -
Nonstop9h 55m
Sat 31/1019:45 -
Nonstop9h 25m
Deal found 16/8£6,500
Wed 2/908:55 -
1 stop15h 46m
Mon 7/920:20 -
Nonstop9h 25m
Deal found 19/8£15,051
Sun 18/1009:15 -
1 stop16h 51m
Sat 31/1014:26 -
1 stop14h 44m
Deal found 16/8£5,821
Fri 30/1013:30 -
1 stop17h 40m
Wed 4/1113:35 -
1 stop14h 35m
Deal found 20/8£5,345
Fri 25/909:50 -
Nonstop9h 45m
Deal found 16/8£6,301
Tue 15/909:50 -
Nonstop9h 45m
Deal found 20/8£8,747
Thu 24/909:50 -
Nonstop9h 45m
Deal found 16/8£9,464
Wed 23/909:50 -
Nonstop9h 45m
Deal found 16/8£9,482
Sat 19/916:30 -
Nonstop9h 55m
Deal found 20/8£7,329
Sun 27/912:10 -
2 stops30h 15m
Deal found 16/8£10,606
Travel insights for first class flights from United Kingdom to Seattle
Get recent, data-driven insights about first class flights from United Kingdom to Seattle including ideal travel times, pricing trends, and more.
GB0-SEA
LHR-SEA
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).
Frequently asked questions about Seattle first class tickets
Find answers to common questions related to First Class tickets for flights to Seattle. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 21 August 2026.
How many premium cabins does Finnair have for flights to Seattle?
Finnair currently offers a couple premium cabin classes on flights to Seattle: Prem Economy Class, Business Class and First Class. Still not enough? Try taking a look at other airlines or choosing a new departing point for more cabin options.
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