Cheap Flights from Seattle (SEA) to London (LHR) from AU$974

Cheap Flights to London (LHR) from Seattle (SEA)

Prices were available within the past 7 days and start at AU$974 for one-way flights and AU$806 for round trip tickets from Seattle - Tacoma Intl. to Heathrow, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Icelandair
Icelandair
Air Canada
Air Canada
British Airways
British Airways
British Airways
British Airways
Air Canada
Air Canada
Air Canada
Finnair
Delta
American Airlines
Virgin Atlantic
American Airlines
American Airlines
Air France
British Airways
Flight from Seattle to London route information
Origin AirportSeattle - Tacoma Intl.
Destination AirportHeathrow
Flight PriceAU$805
Distance7657 km

Frequently asked questions

Your quick guide to flights from Seattle to London

Pick up great flights from Seattle to London

With Expedia, you have your pick of 10 flights a day with 20 airlines covering flights from Seattle to London. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to London that take around 25 hours,too.

Find cheap flights from Seattle to London

From the great flight deals with prices currently ranging from AU$806 to AU$1,107, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to London around 4 to 6 weeks in advance. If your travel dates are flexible try to avoid weekends and peak season – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to London is normally in March.

Reasons to book your flight from Seattle to London with Expedia

Expedia makes it easy to find, book and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to London across all the main airline carriers, so you can save time, dollars and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to London right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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