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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 29 September 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 29 September 2026.
Mon 12/1008:55 -
1 stop15h 53m
Sun 18/1021:12 -
1 stop31h 33m
Deal found 24/9£9,814
Mon 12/1008:55 -
1 stop15h 53m
Sat 17/1015:45 -
1 stop14h 40m
Deal found 24/9£10,997
Mon 12/1011:00 -
1 stop16h 44m
Sun 18/1020:20 -
Nonstop9h 25m
Deal found 24/9£11,369
Mon 12/1016:30 -
Nonstop9h 55m
Sun 18/1020:20 -
Nonstop9h 25m
Deal found 24/9£12,287
Mon 12/1009:50 -
Nonstop9h 45m
Sat 17/1013:30 -
Nonstop9h 15m
Deal found 24/9£12,328
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 29 September 2026.
Mon 12/1008:55 -
1 stop15h 53m
Sun 18/1021:12 -
1 stop31h 33m
Deal found 24/9£9,814
Mon 12/1008:55 -
1 stop15h 53m
Sat 17/1013:30 -
Nonstop9h 15m
Deal found 24/9£11,369
Mon 12/1016:30 -
Nonstop9h 55m
Sun 18/1020:20 -
Nonstop9h 25m
Deal found 24/9£12,287
Mon 12/1011:00 -
1 stop16h 44m
Sun 18/1020:20 -
Nonstop9h 25m
Deal found 24/9£11,369
Mon 28/1214:55 -
Nonstop9h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9£4,489
Sun 25/1014:55 -
Nonstop9h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/9£9,646
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 29 September 2026.
Mon 28/1214:55 -
Nonstop9h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9£4,489
Sun 25/1014:55 -
Nonstop9h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/9£9,646
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 29 September 2026.
Mon 12/1009:50 -
Nonstop9h 45m
Sat 17/1013:30 -
Nonstop9h 15m
Deal found 24/9£12,328
Mon 12/1016:30 -
Nonstop9h 55m
Sun 18/1020:20 -
Nonstop9h 25m
Deal found 24/9£12,287
Mon 12/1008:55 -
1 stop15h 53m
Sun 18/1021:12 -
1 stop31h 33m
Deal found 24/9£9,814
Mon 12/1008:55 -
1 stop15h 53m
Sat 17/1015:45 -
1 stop14h 40m
Deal found 24/9£10,997
Mon 12/1011:00 -
1 stop16h 44m
Sun 18/1020:20 -
Nonstop9h 25m
Deal found 24/9£11,369
Mon 28/1214:55 -
Nonstop9h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9£4,489
Sun 25/1014:55 -
Nonstop9h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/9£9,646
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 29 September 2026.
What is the cheapest price for a First Class ticket to Seattle?
According to recent data, a user was able to book a First Class flight from London Heathrow Airport to Seattle for just £668. Secure the cheapest First Class flight tickets to Seattle now - prices start at £4,489/person!
How much do Business Class flight tickets to Seattle cost?
Want comfortable seats without paying First Class prices? For around £2,853/ticket, you can experience comfort and some premium flight services with a Business Class flight to Seattle. Not to mention, Business Class cabin tickets are often 37% cheaper than First Class - in case you need more motivation.
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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