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Cheap flights from the United Kingdom to Seattle from $307

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Seattle departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United Kingdom to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from the United Kingdom to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from the United Kingdom to Seattle.

Cheap last minute flights

Planning a quick getaway from the United Kingdom to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals to Seattle

Find recent round-trip train or bus tickets from the United Kingdom to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
2:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
$474Icelandair
Find Deal
Mon, Jan 13 - Wed, Jan 29
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
2:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
$486Icelandair
Find Deal
Mon, Jan 13 - Wed, Jan 29
6:30 am - 11:50 amLHR-SEA
13h 20m1 stop
7:00 pm - 12:40 pmSEA-LHR
9h 40mnonstop
$604Delta
Find Deal
Wed, Jan 15 - Wed, Jan 22
6:30 am - 11:45 amLHR-SEA
13h 15m1 stop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$609Delta
Find Deal
Tue, Feb 11 - Thu, Feb 20
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$660Virgin Atlantic
Find Deal
Mon, Jan 13 - Wed, Jan 29
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
10:55 pm - 6:55 amSEA-LHR
24h 00m1 stop
$663Virgin Atlantic
Find Deal
Mon, Jan 13 - Sun, Jan 26
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$689British Airways
Find Deal
Tue, Feb 11 - Mon, Feb 24
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
1:35 pm - 11:40 amSEA-LHR
14h 05m1 stop
$696British Airways
Find Deal
Wed, Jan 22 - Mon, Feb 3
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
9:00 am - 6:35 amSEA-LHR
13h 35m1 stop
$725American Airlines
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Wed, Dec 4 - Wed, Dec 11
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
1:59 pm - 12:05 pmSEA-LHR
14h 06m1 stop
$738American Airlines
Find Deal
Thu, Jan 16 - Mon, Jan 20
6:15 pm - 2:21 pmLGW-SEA
52h 06m2 stops
Tue, Feb 4
7:05 am - 2:21 pmLTN-SEA
39h 16m2 stops
Thu, Feb 20
12:15 pm - 5:00 pmLHR-SEA
12h 45m1 stop
$451Icelandair
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Mon, Jan 20
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
$457Icelandair
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Tue, Jan 14
8:05 pm - 11:50 amLCY-SEA
23h 45m1 stop
$560Virgin Atlantic
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Tue, Jan 14
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
$565Virgin Atlantic
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Tue, Jan 14
7:25 pm - 8:04 pmLHR-SEA
32h 39m3 stops
$609British Airways
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Tue, Jan 14
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
$651British Airways
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Tue, Jan 21
9:20 am - 8:45 pmLCY-SEA
19h 25m2 stops
$1,523Delta
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Mon, Jan 13
9:20 am - 4:55 pmLCY-SEA
15h 35m2 stops
$1,597Delta
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Thu, Jan 9
1:45 pm - 7:13 pmLHR-SEA
37h 28m1 stop
6:05 am - 6:30 amSEA-LHR
16h 25m1 stop
$632United Airlines
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Sat, Nov 23 - Mon, Nov 25
12:00 pm - 4:23 pmLGW-SEA
36h 23m1 stop
5:23 pm - 10:35 amSEA-LGW
33h 12m1 stop
Tue, Nov 26 - Mon, Jan 13
8:40 pm - 5:00 pmLHR-SEA
28h 20m1 stop
2:35 pm - 7:30 pmSEA-LHR
20h 55m1 stop
$635Icelandair
Find Deal
Tue, Nov 26 - Tue, Dec 3
1:00 pm - 8:36 amLHR-SEA
27h 36m2 stops
6:05 am - 8:30 amSEA-LHR
18h 25m1 stop
$637United Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
8:40 pm - 5:00 pmLHR-SEA
28h 20m1 stop
2:35 pm - 10:50 amSEA-LHR
12h 15m1 stop
$665Icelandair
Find Deal
Tue, Nov 26 - Thu, Jan 9
6:20 am - 11:20 amLHR-SEA
13h 00m1 stop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$812Delta
Find Deal
Tue, Nov 26 - Sat, Jan 11
6:20 am - 11:20 amLHR-SEA
13h 00m1 stop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$823Delta
Find Deal
Tue, Nov 26 - Tue, Jan 7
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$1,031British Airways
Find Deal
Tue, Nov 26 - Thu, Jan 9
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$1,071British Airways
Find Deal
Sat, Nov 23 - Mon, Nov 25
11:15 am - 11:48 pmBHD-SEA
20h 33m2 stops
1:45 pm - 2:15 pmSEA-BHD
16h 30m1 stop
$1,356American Airlines
Find Deal
Sat, Nov 23 - Sat, Nov 30
3:50 pm - 6:25 pmLHR-SEA
10h 35mnonstop
7:00 pm - 12:40 pmSEA-LHR
9h 40mnonstop
$639Delta
Find Deal
Wed, Jan 15 - Wed, Jan 22
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
7:00 pm - 12:40 pmSEA-LHR
9h 40mnonstop
$640Delta
Find Deal
Mon, Dec 9 - Wed, Jan 15
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$660Virgin Atlantic
Find Deal
Mon, Jan 13 - Wed, Jan 29
3:50 pm - 6:25 pmLHR-SEA
10h 35mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$662Virgin Atlantic
Find Deal
Wed, Jan 15 - Wed, Jan 22
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$672British Airways
Find Deal
Tue, Jan 21 - Thu, Jan 30
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$689British Airways
Find Deal
Tue, Feb 11 - Mon, Feb 24
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$705Iberia
Find Deal
Mon, Jan 13 - Thu, Jan 23
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$706Iberia
Find Deal
Mon, Jan 13 - Mon, Jan 20
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$729American Airlines
Find Deal
Tue, Dec 3 - Tue, Dec 10
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$766American Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11

Icelandair flights from United Kingdom to Seattle

Our best Icelandair deals on United Kingdom to Seattle flight tickets
Icelandair
Jan 13
LGW11:55 amLondon Gatwick
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 29
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
LGW10:55 amLondon Gatwick
Icelandair
Jan 13
LGW11:55 amLondon Gatwick
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 29
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
LGW10:55 amLondon Gatwick
Icelandair
Jan 15
LGW11:55 amLondon Gatwick
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 22
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
LGW10:55 amLondon Gatwick

WestJet flights from United Kingdom to Seattle

Our best WestJet deals on United Kingdom to Seattle flight tickets
WestJet
Jan 16
LHR2:50 pmLondon Heathrow
31h 31m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Jan 20
SEA3:15 pmSeattle/Tacoma Intl
13h 35m
1 stop
LHR12:50 pmLondon Heathrow
WestJet
Jan 23
LHR2:50 pmLondon Heathrow
31h 31m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Jan 30
SEA3:15 pmSeattle/Tacoma Intl
13h 35m
1 stop
LHR12:50 pmLondon Heathrow

See travel insights to Seattle from

How to get the cheapest flight ticket from United Kingdom to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from United Kingdom to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $601. If you don’t want to visit Seattle in January, then you should wait until February to fly from United Kingdom, when ticket prices are also cheap, with an average price of $617.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from United Kingdom is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $784. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $889.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from United Kingdom at noon is the least expensive time of day to depart. momondo users have found prices as low as $770 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $848. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United Kingdom to Seattle/Tacoma Intl flight route?

Fly from London Heathrow to Seattle/Tacoma Intl for the best United Kingdom - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from United Kingdom when booking 43 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $748 when searching 43 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $685 in the past 72 hours.

What cabin class options are available on United Kingdom to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on United Kingdom to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Seattle flights?

You could potentially save up to 50% on your flight if you consider stops on a United Kingdom to Seattle flight.

Cheap United Kingdom to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Seattle

Best Price Found

$307

Fastest flight time

9h 55m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from United Kingdom in the past 72 hours is $307. The best round-trip flight deal from United Kingdom to Seattle found on momondo in the last 72 hours is $474.
The fastest flight from United Kingdom to Seattle takes 9h 55m
Direct flights go from United Kingdom to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • When did momondo last update prices for flights from United Kingdom to Seattle/Tacoma Intl Airport?

    Prices for flights from United Kingdom to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from United Kingdom to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from United Kingdom to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from United Kingdom to Seattle?


Best airlines flying from United Kingdom to Seattle

Compare and see reviews for airlines that fly from United Kingdom to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom $549Free CancellationRating
7.5
663 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom $558Free CancellationRating
7.2
553 reviews
Search Icelandair flights
British AirwaysPriceFrom $600Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
American AirlinesPriceFrom $621Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $654Free CancellationRating
8.0
8,755 reviews
Search Delta flights
Aer LingusPriceFrom $671Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
KLMPriceFrom $674Free CancellationRating
7.8
1,349 reviews
Search KLM flights
IberiaPriceFrom $677Free CancellationRating
7.0
2,661 reviews
Search Iberia flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Seattle?

It is quick and easy to find United Kingdom to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from United Kingdom to Seattle with flexible booking policies on momondo?

Flights from United Kingdom to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United Kingdom to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Seattle.

I’m not ready to book a flight from United Kingdom to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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