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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 858,174 searches and data were last updated on 23 July 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 23 July 2026.
Sat 24/1009:15
LHR
-
SEA
1 stop16h 51m
American Airlines
Sat 31/1015:45
SEA
-
LHR
1 stop14h 40m
American Airlines
Deal found 21/7£5,355
Sat 24/1009:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Sat 31/1019:45
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 21/7£6,283
Mon 17/809:15
LHR
-
SEA
1 stop16h 10m
American Airlines
Mon 24/815:47
SEA
-
LHR
1 stop14h 38m
American Airlines
Deal found 20/7£6,339
Wed 19/808:55
LHR
-
SEA
1 stop15h 46m
American Airlines
Mon 24/815:47
SEA
-
LHR
1 stop14h 38m
American Airlines
Deal found 22/7£6,544
Wed 19/816:30
LHR
-
SEA
Nonstop9h 55m
British Airways
Mon 24/813:30
SEA
-
LHR
Nonstop9h 15m
British Airways
Deal found 22/7£6,789
Mon 3/809:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Mon 10/820:20
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 20/7£6,801
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 23 July 2026.
Sat 24/1009:15
LHR
-
SEA
1 stop16h 51m
American Airlines
Sat 31/1015:45
SEA
-
LHR
1 stop14h 40m
American Airlines
Deal found 21/7£5,355
Sat 24/1009:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Fri 30/1019:45
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 21/7£6,283
Sat 24/1009:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Sat 31/1019:45
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 19/7£6,286
Mon 17/809:15
LHR
-
SEA
1 stop16h 10m
American Airlines
Mon 24/815:47
SEA
-
LHR
1 stop14h 38m
American Airlines
Deal found 20/7£6,339
Mon 3/809:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Mon 10/820:20
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 20/7£6,801
Mon 17/809:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Mon 24/820:20
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 20/7£6,861
Wed 16/916:30
LHR
-
SEA
Nonstop9h 55m
British Airways
Deal found 22/7£5,682
Fri 23/1009:50
LHR
-
SEA
Nonstop9h 45m
Finnair
Deal found 23/7£6,264
Wed 16/910:30
LHR
-
SEA
1 stop16h 45m
Multiple Airlines
Deal found 22/7£9,401
Fri 14/809:50
LHR
-
SEA
Nonstop9h 45m
American Airlines
Deal found 23/7£9,625
Fri 23/1011:40
LHR
-
SEA
1 stop17h 16m
Multiple Airlines
Deal found 23/7£9,516
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 23 July 2026.
Wed 16/916:30
LHR
-
SEA
Nonstop9h 55m
British Airways
Deal found 22/7£5,682
Fri 23/1009:50
LHR
-
SEA
Nonstop9h 45m
Finnair
Deal found 23/7£6,264
Wed 16/910:30
LHR
-
SEA
1 stop16h 45m
Multiple Airlines
Deal found 22/7£9,401
Fri 23/1011:40
LHR
-
SEA
1 stop17h 16m
Multiple Airlines
Deal found 23/7£9,516
Fri 14/809:50
LHR
-
SEA
Nonstop9h 45m
American Airlines
Deal found 23/7£9,625
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 23 July 2026.
Sat 24/1009:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Sat 31/1019:45
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 21/7£6,283
Mon 3/809:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Mon 10/820:20
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 20/7£6,801
Mon 17/809:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Mon 24/820:20
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 20/7£6,861
Wed 19/816:30
LHR
-
SEA
Nonstop9h 55m
British Airways
Mon 24/813:30
SEA
-
LHR
Nonstop9h 15m
British Airways
Deal found 22/7£6,789
Wed 19/808:55
LHR
-
SEA
1 stop15h 46m
American Airlines
Mon 24/815:47
SEA
-
LHR
1 stop14h 38m
American Airlines
Deal found 22/7£6,544
Mon 17/809:15
LHR
-
SEA
1 stop16h 10m
American Airlines
Mon 24/815:47
SEA
-
LHR
1 stop14h 38m
American Airlines
Deal found 20/7£6,339
Fri 23/1009:50
LHR
-
SEA
Nonstop9h 45m
Finnair
Deal found 23/7£6,264
Fri 14/809:50
LHR
-
SEA
Nonstop9h 45m
American Airlines
Deal found 23/7£9,625
Wed 16/916:30
LHR
-
SEA
Nonstop9h 55m
British Airways
Deal found 22/7£5,682
Wed 16/910:30
LHR
-
SEA
1 stop16h 45m
Multiple Airlines
Deal found 22/7£9,401
Fri 23/1011:40
LHR
-
SEA
1 stop17h 16m
Multiple Airlines
Deal found 23/7£9,516
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 23 July 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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