Cheap flights from Seattle (SEA) to London (LON)

Flight FAQs

From Seattle to London

Are flight prices decreasing from Seattle to London due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and London for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Seattle to London for under $500 on Cheapflights?

Yes, there are multiple flights from Seattle to London for under $500. The cheapest flight booked recently is on Icelandair for just $423, but on average you can expect to pay $441.

Are there nonstop flights from Seattle to London for under $600 on Cheapflights?

Cheapflights has at least 6 direct flights from Seattle to London under $600. A good price for a nonstop flight from Seattle to London is less than $714.

Are there last-minute flights available from Seattle to London for under $800?

There are currently 5+ open flights from Seattle to London within the next 7 days for less than $800.

How popular is this flight route?

Within the past month, 11 users have taken a look at flights from Seattle to London.

What is the cheapest airline for this route?

While looking for the best option consider British Airways, our data currently shows that they have the cheapest flight available for the flight path. When traveling from Seattle to London, generally 29 flights depart for this route daily.

Is Seattle weather warmer or cooler than London?

Our data indicates that the weather will be 77 °F on average in the month of July. The temperature in London is typically colder than in Seattle. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.