$451 Find Cheap Flights from the United Kingdom to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from the United Kingdom to Seattle

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from the United Kingdom to Seattle

Sat, Dec 5 - Sat, Dec 12
Multiple Airlines Logo
6:20 am - 1:50 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
15h 30m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
4:50 pm - 10:40 amSEA  Seattle/Tacoma Intl-LHR London Heathrow
9h 50mnonstop
$542Multiple Airlines
Sat, Dec 5 - Sat, Dec 12
Multiple Airlines Logo
8:55 am - 1:50 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
12h 55m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
1:25 pm - 10:00 amSEA  Seattle/Tacoma Intl-LHR London Heathrow
12h 35m1 stop Salt Lake City
$542Multiple Airlines
Mon, Apr 12 - Wed, Apr 21
British Airways Logo
12:00 pm - 5:10 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
13h 10m1 stop Dublin
British Airways Logo
8:20 pm - 1:45 pmSEA  Seattle/Tacoma Intl-LHR London Heathrow
9h 25mnonstop
$543British Airways
Mon, Apr 12 - Wed, Apr 21
British Airways Logo
12:00 pm - 5:10 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
13h 10m1 stop Dublin
British Airways Logo
11:41 am - 10:55 amSEA  Seattle/Tacoma Intl-LHR London Heathrow
15h 14m1 stop Dallas/Fort Worth
$543British Airways
Fri, Dec 4 - Fri, May 28
Delta Logo
6:30 am - 11:50 amLHR  London Heathrow-SEA Seattle/Tacoma Intl
13h 20m1 stop Amsterdam Schiphol
Delta Logo
9:55 pm - 8:00 pmSEA  Seattle/Tacoma Intl-LHR London Heathrow
14h 05m1 stop New York John F Kennedy Intl
$543Delta
Tue, Jan 19 - Tue, Feb 9
Virgin Atlantic Logo
6:20 am - 1:50 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
15h 30m1 stop Paris Charles de Gaulle
Virgin Atlantic Logo
6:00 pm - 7:15 amSEA  Seattle/Tacoma Intl-LHR London Heathrow
29h 15m2 stops Portland New York John F Kennedy Intl
$543Virgin Atlantic
Tue, Jan 19 - Tue, Feb 9
Virgin Atlantic Logo
6:20 am - 1:50 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
15h 30m1 stop Paris Charles de Gaulle
Virgin Atlantic Logo
2:00 pm - 11:40 amSEA  Seattle/Tacoma Intl-LHR London Heathrow
13h 40m1 stop Atlanta Hartsfield-Jackson
$543Virgin Atlantic
Tue, Mar 2 - Tue, Mar 16
KLM Logo
6:30 am - 11:35 amLHR  London Heathrow-SEA Seattle/Tacoma Intl
13h 05m1 stop Amsterdam Schiphol
KLM Logo
6:00 pm - 10:40 amSEA  Seattle/Tacoma Intl-LHR London Heathrow
9h 40mnonstop
$543KLM
Sun, Feb 28 - Mon, Mar 15
KLM Logo
6:30 am - 11:47 amLHR  London Heathrow-SEA Seattle/Tacoma Intl
13h 17m1 stop Amsterdam Schiphol
KLM Logo
6:00 pm - 10:40 amSEA  Seattle/Tacoma Intl-LHR London Heathrow
9h 40mnonstop
$543KLM
Fri, Dec 4 - Fri, May 28
Delta Logo
6:30 am - 11:50 amLHR  London Heathrow-SEA Seattle/Tacoma Intl
13h 20m1 stop Amsterdam Schiphol
Delta Logo
9:55 pm - 8:00 pmSEA  Seattle/Tacoma Intl-LHR London Heathrow
14h 05m1 stop New York John F Kennedy Intl
$544Delta
Booking Insights

KAYAK's insights & trends for flights to Seattle

Get data-powered insights and trends for flights to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Seattle?

In the last 5 days, the cheapest flight deal to Seattle was found on the route from Manchester, at $542 return. The most popular connection is from London to Seattle and KAYAK users have found round-trip deals for as low as $542 in the last 5 days.

What is the cheapest day to fly to Seattle?

Based on KAYAK data, the cheapest day to fly to Seattle is Monday where round-trip tickets can be as cheap as $770. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $896 on average.

What is the cheapest month to fly to Seattle?

The cheapest month for flights to Seattle is February, where tickets cost $665 on average for return flights. On the other hand, the most expensive months are July and June, where the average cost of tickets from the United Kingdom is $881 and $865 respectively. For one-way flights, the best month to travel is November with an average price of $607.

What is the cheapest time of day to fly to Seattle?

The cheapest time of day to fly to Seattle is generally in the afternoon, when round-trip flights cost $704 on average. The most expensive time of day to fly to Seattle is generally in the morning, which is peak travel time and where the average cost of a ticket is $877.

What is a good deal for flights to Seattle?

If you’re looking for cheap airfare to Seattle, 25% of our users found tickets to Seattle for the following prices or less: From London Heathrow Airport $577 round-trip.

How far in advance should I book a flight to Seattle?

To get a below average price, you should book around 5 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Good to know

Low season

January

Cheapest flight

$451
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Manchester to Seattle

FAQs - booking Seattle flights

  • Are there any 24-hour food outlets at Seattle/Tacoma Intl Airport?

    Yes, there are, but all of them are to be found airside. If you are in transit, you can avail yourself of the round-the-clock Starbucks and Dilettante Chocolate & Mocha Café in the Central Terminal Food Court, while the B gates offer a McDonald’s and Qdoba Mexican Grill. Passengers arriving on late flights to Seattle can grab a drink and a small snack from Hudson News: the Central Terminal baggage reclaim branch is open 24h.

  • What services does Seattle/Tacoma Intl Airport provide for families with children?

    The Mothers’ Room nursing facilities at Seattle Airport are unusual in that they offer comfortable rocking chairs, dimmable lighting and footstools, as well as the usual baby care facilities. The room is located just inside the children’s play area, which is filled with brightly coloured toys and activities to keep young passengers occupied 24/7.

  • Is there an on-site hotel at Seattle/Tacoma Intl Airport?

    While there is no hotel within the airport grounds, weary travellers on flights to Seattle have several accommodation options located just outside. The Hilton Seattle Airport & Conference Centre is 3min away and offers a free shuttle service round the clock, as does the Red Lion Hotel Seattle Airport (4min away). The Red Roof Inn Seattle Airport SEATAC is also 4min away and has a pick-up schedule that varies depending on the time of day, while the La Quinta Inn & Suites offers transfers from 04:00 to 01:00.

  • What is the fastest route from Seattle/Tacoma Intl Airport to the city centre?

    Depending on the traffic, a taxi may be the quickest way to get from the airport to downtown Seattle. Both metered and flat rate cabs are available from the 3rd floor of the parking garage; expect to pay around $39 (£29.50) flat rate and for the trip to take 20-25min. A convenient alternative is to take public transport: the Link Light Rail is linked to baggage reclaim by a skybridge and has stops throughout the city. A one-way fare to Downtown stations is about $3 (£2.30).

  • What is the cheapest flight to Seattle?

    In the last 5 days, the cheapest flight deal to Seattle was found on the route from Manchester, at $542 return. The most popular connection is from London to Seattle and KAYAK users have found round-trip deals for as low as $542 in the last 5 days.

  • How far is Seattle/Tacoma Intl Airport from central Seattle?

    The distance between Seattle/Tacoma Intl Airport and downtown Seattle is 11 miles.

  • What is the name of Seattle’s airport?

    Seattle is served by Seattle/Tacoma Intl Airport, also commonly referred to as Seattle-Tacoma Intl, Seattle/Tacoma, or Seattle/Tacoma Intl. The airport code is SEA.

  • How much is a flight to Seattle?

    On average, a flight to Seattle costs $662. The cheapest price found on KAYAK in the last 2 weeks cost $489 and departed from London Heathrow Airport.

  • How does KAYAK find such low prices on flights to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $594 or less one-way and $577 or less round-trip.

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Seattle flight deals.
  • Seattle/Tacoma Intl Airport (SEA) knows how to keep its passengers entertained. Live music is on offer every day, with performances to be found at numerous different locations throughout the terminal buildings.
  • There is also an extensive art collection at Seattle/Tacoma Intl Airport, which showcases paintings, sculptures, photography, glass work, folk art and installation art from regional and international artists. The STQRY app can provide more information and guide you around the half-mile of exhibits.
  • Seattle/Tacoma Intl Airport is large, featuring four terminals spread out over a wide area. While the Main and Central Terminals are connected via walkway, you will need to board a complimentary shuttle train to reach the North and South Terminals.
  • Flights to Seattle can be long and draining, but you don’t need to worry about staying connected while in transit at the airport – power outlets are hidden beneath most seats in the departure lounges.
  • Feeling thirsty after your flight to Seattle? As well as numerous drinking fountains, you will find environmentally friendly water bottle refill stations at several points around the terminal buildings.
  • Should you wish to lighten your load while in transit at Seattle/Tacoma Intl Airport or enjoy a short break in the city, luggage storage is available at Smarte Carte in the baggage reclaim area of the Main Terminal. As well as normal luggage, you can even store frozen and refrigerated items.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Lynnwood
Centralia
Fife
Lakewood
Westport
Lacey
Mukilteo
Woodinville
Poulsbo
Edmonds
Aberdeen
DuPont
Shoreline
Monroe
Castle Rock
Edgewood

More options for your flight to Seattle