Cheap flights from Heathrow to Seattle

Flight FAQs

From Heathrow to Seattle

Are flight prices decreasing from Heathrow to Seattle 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 Heathrow and Seattle 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.

Which airlines flying from London Heathrow to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from London Heathrow to Seattle/Tacoma Intl have new flexible policies in place due to COVID-19. British Airways, Virgin Atlantic, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

What airport do you fly into for flights to Seattle from London Heathrow?

If you book a flight to Seattle from London Heathrow, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the centre of Seattle. There are 2 flights from London Heathrow to Seattle/Tacoma Intl per day from 17 different airlines.

Can I find flights from Heathrow to Seattle for under £359 on Cheapflights?

Yes, there are multiple flights from Heathrow to Seattle for under £359. The cheapest flight booked recently is on Icelandair for just £347, but on average you can expect to pay £392.

Are there direct flights from Heathrow to Seattle for under £431 on Cheapflights?

Cheapflights has 20 direct flights from Heathrow to Seattle under £431. A good price for a direct flight from Heathrow to Seattle is less than £453.

Are there last-minute flights available from Heathrow to Seattle for under £503?

There are currently 20+ open flights from Heathrow to Seattle within the next 7 days for less than £503.

Does it rain more in Heathrow or Seattle?

In Heathrow, there will be greater rainfall in Heathrow compared to Seattle over the next 17 days.

Is Heathrow weather warmer or cooler than Seattle?

With an average temperature of 25 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in Seattle are hotter than in Heathrow.

How long does is the flight from Heathrow to Seattle?

There are many flights that can get you from Heathrow to Seattle in 12h 36m. Fly via Virgin Atlantic, Icelandair, or Lufthansa to get the fastest option. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Heathrow to Seattle return?

Currently priced at £347, Icelandair will fly you from Heathrow to Seattle and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and Air Canada - these airlines can fly you to your destination from £399 and £404, respectively. These flights start at 14% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Heathrow to Seattle one-way?

To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £35. Lufthansa flights start at £279 while deals on SWISS start at £281 one-way.