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.

What safety measures are being taken by airlines flying from London Heathrow to Seattle/Tacoma Intl to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from London Heathrow to Seattle/Tacoma Intl. Policies will vary by airline.

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.

Can I find flights from Heathrow to Seattle for under £358 on Cheapflights?

Yes, there are multiple flights from Heathrow to Seattle for under £358. The cheapest flight booked recently is on Multiple Airlines for just £326, but on average you can expect to pay £342.

Are there direct flights from Heathrow to Seattle for under £501 on Cheapflights?

Cheapflights has 20 direct flights from Heathrow to Seattle under £501. A good price for a direct flight from Heathrow to Seattle is less than £467.

Are there last-minute flights available from Heathrow to Seattle for under £501?

There are currently 11+ open flights from Heathrow to Seattle within the next 7 days for less than £501.

What days are direct flights available from Heathrow to Seattle?

Direct flights are available for this route on the following days: Saturday.

How many flights depart from Heathrow to Seattle on average per day?

Travellers can expect 5 flights from London Heathrow to Seattle/Tacoma Intl on average per day.
Afternoon (Midday - 6pm) - 100% of flight departures

Does it rain more in Heathrow or Seattle?

In Heathrow, there will be less rainfall in Heathrow compared to Seattle over the next 22 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 11h 45m. Fly via Air Canada, Lufthansa, or Brussels Airlines to get the fastest option. The distance from Heathrow to Seattle is about 4812 mi. This flight may include one or multiple stops.

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

Currently priced at £342, Lufthansa will fly you from Heathrow to Seattle and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Austrian Airlines - these airlines can fly you to your destination from £349 and £370, respectively. These flights start at 15% 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 Virgin Atlantic, which is currently one of the cheapest options available, starting at £278. Air Canada flights start at £285 while deals on Austrian Airlines start at £290 one-way.