On this page, you can find and book flights from London to Seattle. The distance between the cities is 7,723 km, and there are approximately 38 weekly flights on this route.
Flights are operated by airlines such as British Airways, Virgin Atlantic, and Delta Air Lines. Ticket prices are dynamic, so we recommend using the price trend chart and checking how to get to the airport in London and airport transfer options in Seattle in advance.
Below is a calendar of the lowest flight ticket prices for London — Seattle by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 1,735 in a, and the most expensive are around AED 2,880 in y. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
London → Seattle, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 1,973 | low | May | AED 2,262 | medium | Sep | AED 2,310 | medium |
| Feb | AED 1,877 | low | Jun | AED 2,599 | high | Oct | AED 2,021 | low |
| Mar | AED 2,117 | medium | Jul | AED 2,791 | high | Nov | AED 1,925 | low |
| Apr | AED 2,165 | medium | Aug | AED 2,695 | high | Dec | AED 2,647 | high |
Some values are estimated based on seasonality.
The warmest period in Seattle is July and August, when average highs reach 25°C. January is considered the wettest and coldest month, with precipitation exceeding 200 mm and average temperatures around 6°C.
The lowest flight prices are recorded in September — AED 1,787 and October — AED 1,787. The peak month for ticket costs is July, when the price rises to AED 2,105.
September is the optimal choice for balancing weather and cost: rainfall decreases significantly while prices remain at their lowest. It is best to avoid flying in December and January due to the high probability of prolonged rain.
There are 11 airlines operating on this route, with British Airways, Virgin Atlantic, and Delta Air Lines leading in flight frequency. Passengers can choose from both direct non-stop flights and convenient connections, with a total service intensity of ~38 departures per week. The full schedule, including specific days and departure times, is provided in the list below.
Flights London — Seattle depart from Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport and arrive at Seattle-Tacoma International Airport and Paine Field. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
A direct flight over a distance of 7,723 km takes an average of 9 hours 30 minutes. Travel time for connecting flights depends on the layover duration and can range from 12 to 18 hours.
Regular flights are operated by British Airways, Virgin Atlantic, Delta, American Airlines, and Air France. In total, 11 different carriers are represented on this route.
Yes, given the high frequency of service (~38 flights per week), there are several direct non-stop flights between the cities every day.
Flights from London arrive at Seattle-Tacoma International Airport (SEA), the primary aviation hub for Washington State.
Airfares change constantly based on demand and seasonality. You can check the current minimum for upcoming dates in the low-price calendar on this page.
Where travelers fly most — pick a route and check prices
