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Cheap flights from the United Kingdom to Seattle from £257

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 20/2. 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 return flights

These are some of the best return 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 stopovers.

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 - 17:00LGW-SEA
13h 05m1 stop
14:35 - 10:55SEA-LGW
12h 20m1 stop
£375Icelandair
Find Deal
Mon, 13 Jan - Wed, 29 Jan
11:55 - 17:00LGW-SEA
13h 05m1 stop
14:35 - 10:55SEA-LGW
12h 20m1 stop
£385Icelandair
Find Deal
Mon, 13 Jan - Wed, 29 Jan
09:25 - 20:04LHR-SEA
18h 39m1 stop
09:45 - 12:05SEA-LHR
18h 20m1 stop
£516Finnair
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Mon, 13 Jan - Wed, 29 Jan
06:30 - 11:50LHR-SEA
13h 20m1 stop
19:00 - 12:40SEA-LHR
9h 40mdirect
£519KLM
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Wed, 15 Jan - Wed, 22 Jan
13:15 - 15:15LHR-SEA
10h 00mdirect
17:45 - 11:10SEA-LHR
9h 25mdirect
£523Virgin Atlantic
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Mon, 13 Jan - Wed, 29 Jan
13:15 - 15:15LHR-SEA
10h 00mdirect
22:55 - 06:55SEA-LHR
24h 00m1 stop
£525Virgin Atlantic
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Mon, 13 Jan - Sun, 26 Jan
06:20 - 12:05LHR-SEA
13h 45m1 stop
19:30 - 13:10SEA-LHR
9h 40mdirect
£546KLM
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Wed, 19 Feb - Fri, 28 Feb
06:05 - 20:04EDI-SEA
21h 59m2 stops
18:50 - 17:00SEA-EDI
14h 10m1 stop
£546Finnair
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Mon, 13 Jan - Mon, 27 Jan
16:00 - 17:45LHR-SEA
9h 45mdirect
19:40 - 13:00SEA-LHR
9h 20mdirect
£551British Airways
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Tue, 6 May - Tue, 20 May
15:00 - 16:55LHR-SEA
9h 55mdirect
18:50 - 12:15SEA-LHR
9h 25mdirect
£554British Airways
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Wed, 19 Feb - Wed, 26 Feb
07:05 - 14:21LTN-SEA
39h 16m2 stops
Thu, 20 Feb
21:45 - 20:28LGW-SEA
30h 43m2 stops
Thu, 1 May
21:25 - 20:35LHR-SEA
31h 10m1 stop
£363Icelandair
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Sat, 12 Apr
12:15 - 17:00LHR-SEA
12h 45m1 stop
£366Icelandair
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Tue, 21 Jan
15:50 - 18:30LHR-SEA
10h 40mdirect
£482Virgin Atlantic
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Fri, 6 Dec
15:00 - 16:55LHR-SEA
9h 55mdirect
£515British Airways
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Tue, 21 Jan
19:50 - 17:23MAN-SEA
29h 33m2 stops
£647British Airways
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Sun, 8 Dec
20:05 - 23:05LCY-SEA
35h 00m2 stops
£896Virgin Atlantic
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Fri, 6 Dec
09:20 - 16:05LCY-SEA
14h 45m1 stop
£1,215KLM
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Tue, 29 Apr
10:00 - 16:05LCY-SEA
14h 05m1 stop
£1,257KLM
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Sat, 19 Apr
13:45 - 08:36LHR-SEA
26h 51m1 stop
12:55 - 11:15SEA-LHR
38h 20m1 stop
£470Lufthansa
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Sat, 23 Nov - Sun, 24 Nov
13:45 - 19:13LHR-SEA
37h 28m1 stop
06:05 - 08:30SEA-LHR
18h 25m1 stop
£499United Airlines
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Sat, 23 Nov - Mon, 25 Nov
20:40 - 17:00LHR-SEA
28h 20m1 stop
14:35 - 19:30SEA-LHR
20h 55m1 stop
£519Icelandair
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Wed, 27 Nov - Mon, 2 Dec
20:40 - 17:00LHR-SEA
28h 20m1 stop
14:35 - 19:30SEA-LHR
20h 55m1 stop
£531Icelandair
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Wed, 27 Nov - Wed, 4 Dec
13:15 - 15:15LHR-SEA
10h 00mdirect
06:05 - 07:05SEA-LHR
17h 00m1 stop
£727Virgin Atlantic
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Wed, 27 Nov - Mon, 2 Dec
06:30 - 11:40LHR-SEA
13h 10m1 stop
19:30 - 13:10SEA-LHR
9h 40mdirect
£744KLM
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Wed, 27 Nov - Fri, 17 Jan
09:50 - 16:55EDI-SEA
15h 05m1 stop
18:50 - 15:25SEA-EDI
12h 35m1 stop
£773British Airways
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Wed, 27 Nov - Wed, 4 Dec
13:15 - 15:15LHR-SEA
10h 00mdirect
17:45 - 11:10SEA-LHR
9h 25mdirect
£776KLM
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Wed, 27 Nov - Mon, 2 Dec
06:20 - 11:20LHR-SEA
13h 00m1 stop
17:45 - 11:10SEA-LHR
9h 25mdirect
£823Virgin Atlantic
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Sat, 23 Nov - Sun, 24 Nov
09:25 - 11:20LHR-SEA
9h 55mdirect
18:50 - 12:15SEA-LHR
9h 25mdirect
£848British Airways
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Sat, 23 Nov - Mon, 25 Nov
13:15 - 15:15LHR-SEA
10h 00mdirect
17:45 - 11:10SEA-LHR
9h 25mdirect
£523Virgin Atlantic
Find Deal
Mon, 13 Jan - Wed, 29 Jan
13:15 - 15:15LHR-SEA
10h 00mdirect
17:45 - 11:10SEA-LHR
9h 25mdirect
£528KLM
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Wed, 15 Jan - Wed, 22 Jan
15:00 - 16:55LHR-SEA
9h 55mdirect
18:50 - 12:15SEA-LHR
9h 25mdirect
£532British Airways
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Tue, 21 Jan - Thu, 30 Jan
13:15 - 15:15LHR-SEA
10h 00mdirect
17:45 - 11:10SEA-LHR
9h 25mdirect
£534Virgin Atlantic
Find Deal
Mon, 13 Jan - Wed, 29 Jan
15:00 - 16:55LHR-SEA
9h 55mdirect
13:35 - 07:00SEA-LHR
9h 25mdirect
£545British Airways
Find Deal
Mon, 17 Feb - Tue, 25 Feb
09:25 - 11:20LHR-SEA
9h 55mdirect
18:50 - 12:15SEA-LHR
9h 25mdirect
£552Finnair
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Tue, 18 Feb - Thu, 27 Feb
15:50 - 18:25LHR-SEA
10h 35mdirect
17:45 - 11:10SEA-LHR
9h 25mdirect
£553KLM
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Fri, 17 Jan - Mon, 27 Jan
09:25 - 11:20LHR-SEA
9h 55mdirect
18:50 - 12:15SEA-LHR
9h 25mdirect
£582Finnair
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Tue, 18 Feb - Fri, 28 Feb
17:00 - 19:35LHR-SEA
10h 35mdirect
19:55 - 13:30SEA-LHR
9h 35mdirect
£588Air France
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Wed, 7 May - Sun, 18 May
17:00 - 19:35LHR-SEA
10h 35mdirect
19:55 - 13:30SEA-LHR
9h 35mdirect
£618Air France
Find Deal
Fri, 9 May - Sat, 17 May

Icelandair flights from United Kingdom to Seattle

Our best Icelandair deals on United Kingdom to Seattle flight tickets
Icelandair
13 Jan
LGW11:55London Gatwick
13h 05m
1 stop
SEA17:00Seattle/Tacoma Intl
29 Jan
SEA14:35Seattle/Tacoma Intl
12h 20m
1 stop
LGW10:55London Gatwick
Icelandair
13 Jan
LGW11:55London Gatwick
13h 05m
1 stop
SEA17:00Seattle/Tacoma Intl
29 Jan
SEA14:35Seattle/Tacoma Intl
12h 20m
1 stop
LGW10:55London Gatwick
Icelandair
15 Jan
LGW11:55London Gatwick
13h 05m
1 stop
SEA17:00Seattle/Tacoma Intl
22 Jan
SEA14:35Seattle/Tacoma Intl
12h 20m
1 stop
LGW10:55London Gatwick

Lufthansa flights from United Kingdom to Seattle

Our best Lufthansa deals on United Kingdom to Seattle flight tickets
Lufthansa
23 Nov
LHR13:45London Heathrow
26h 51m
1 stop
SEA08:36Seattle/Tacoma Intl
24 Nov
SEA12:55Seattle/Tacoma Intl
38h 20m
1 stop
LHR11:15London Heathrow
Lufthansa
8 Jan
LHR18:00London Heathrow
35h 30m
1 stop
SEA21:30Seattle/Tacoma Intl
13 Jan
SEA09:20Seattle/Tacoma Intl
14h 05m
1 stop
LHR07:25London Heathrow
Lufthansa
13 Jan
LHR06:30London Heathrow
13h 40m
1 stop
SEA12:10Seattle/Tacoma Intl
29 Jan
SEA10:35Seattle/Tacoma Intl
14h 45m
2 stops
LHR09:20London 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?

The cheapest month to fly to Seattle from United Kingdom is in January. Flight prices, which tend to average around £476, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Seattle, with average flight prices from United Kingdom averaging around £489.

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

According to our data, Wednesday is the cheapest day to fly to Seattle from United Kingdom. The lowest ticket price found for a Wednesday departure recently was £587. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Sunday is £677.

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

According to our data, the cheapest time of day to fly to Seattle is in the evening. momondo users have found flights departing from United Kingdom to Seattle in the evening for as low as £554. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive, with an average ticket price of £622.

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?

In general, most travellers find the cheapest time to book a flight to Seattle is about 43 days prior to their departure date, when tickets on average are £592. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from United Kingdom for as low as £429 on momondo.

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 48% 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

£257

Fastest flight time

9h 45m

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 £257. The best return flight deal from United Kingdom to Seattle found on momondo in the last 72 hours is £375.
The fastest flight from United Kingdom to Seattle takes 9h 45m
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 are refreshed on a daily basis.

  • 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
British AirwaysPriceFrom £307Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
DeltaPriceFrom £320Free CancellationRating
8.0
8,747 reviews
Search Delta flights
IcelandairPriceFrom £389Free CancellationRating
7.2
552 reviews
Search Icelandair flights
LufthansaPriceFrom £408Free CancellationRating
6.8
7,146 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £416Free CancellationRating
7.5
662 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £421Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
Air FrancePriceFrom £430Free CancellationRating
7.4
1,528 reviews
Search Air France flights
Aer LingusPriceFrom £438Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
Air CanadaPriceFrom £442Free CancellationRating
7.0
8,254 reviews
Search Air Canada flights
FinnairPriceFrom £450Free CancellationRating
7.7
1,299 reviews
Search Finnair flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to Seattle. momondo saves you time and could save you money on your trip.

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 provides multiple filters to help you find the best flight to Seattle from United Kingdom. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from United Kingdom and alert you when they change.


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