Cheap First Class flights to Seattle
LHR — SEA
4 May — 11 May1
Return
1 adult
First
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Easily find flight tickets with no change feesCheap first class flights to Seattle in 2025
Find the latest flights to Seattle in 2025, 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 29 April 2025.
Average Price | £3,297 |
|---|---|
Cheapest Price | £2,796 |
Top Rated Airline | Finnair |
No. of Airlines | 6 |
Arrival Airport | Seattle/Tacoma Intl Airport |
Find first class flight deals to Seattle
Best first class flights to SeattleDiscover 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 April 2025.
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 April 2025.
Sat 10/516:30LHR - SEA
Nonstop9h 50mFinnair
Deal found 29/4£2,229
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.
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).