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Cheap flights from Seattle to the United Kingdom from $190

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to the United Kingdom departing on 6/12. 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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0 bags

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Find the cheapest flights from Seattle to the United Kingdom

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to the United Kingdom.
Scandinavian Airlines Logo
4:20 pm - 9:40 pmSEA-LHR
21h 20m1 stop
Scandinavian Airlines Logo
5:00 pm - 2:00 pmLHR-SEA
29h 00m1 stop
$473Scandinavian Airlines
Find Deal
Sun, Sep 21 - Sat, Sep 27
Scandinavian Airlines Logo
4:20 pm - 9:40 pmSEA-LHR
21h 20m1 stop
Scandinavian Airlines Logo
6:40 am - 2:00 pmLHR-SEA
39h 20m2 stops
$484Scandinavian Airlines
Find Deal
Sun, Sep 21 - Sat, Sep 27
Icelandair Logo
7:00 pm - 11:40 amSEA-MAN
32h 40m1 stop
Icelandair Logo
1:05 pm - 8:40 pmMAN-SEA
15h 35m1 stop
$568Icelandair
Find Deal
Sun, Sep 14 - Tue, Sep 23
Icelandair Logo
3:45 pm - 2:40 pmSEA-LGW
14h 55m1 stop
Icelandair Logo
3:40 pm - 8:40 pmLGW-SEA
13h 00m1 stop
$581Icelandair
Find Deal
Tue, Sep 30 - Tue, Oct 14
British Airways Logo
1:29 pm - 3:00 pmSEA-INV
17h 31m2 stops
British Airways Logo
10:30 am - 11:50 pmINV-SEA
21h 20m2 stops
$657British Airways
Find Deal
Mon, Aug 11 - Wed, Aug 20
British Airways Logo
1:30 pm - 1:10 pmSEA-MAN
15h 40m1 stop
British Airways Logo
6:15 am - 11:20 amMAN-SEA
13h 05m1 stop
$669British Airways
Find Deal
Tue, Sep 16 - Tue, Jan 20
Virgin Atlantic Logo
5:30 am - 10:00 amSEA-LGW
20h 30m2 stops
Virgin Atlantic Logo
12:00 pm - 10:53 pmLGW-SEA
18h 53m1 stop
$680Virgin Atlantic
Find Deal
Wed, Aug 6 - Tue, Aug 19
Virgin Atlantic Logo
5:35 pm - 11:20 amSEA-LHR
9h 45mnonstop
Virgin Atlantic Logo
5:25 pm - 7:50 pmLHR-SEA
10h 25mnonstop
$680Virgin Atlantic
Find Deal
Tue, Oct 14 - Thu, Oct 23
Delta Logo
8:25 pm - 2:15 pmSEA-LHR
9h 50mnonstop
Delta Logo
9:55 am - 4:05 pmLHR-SEA
14h 10m1 stop
$689Delta
Find Deal
Wed, Aug 27 - Wed, Sep 10
Delta Logo
5:35 pm - 11:20 amSEA-LHR
9h 45mnonstop
Delta Logo
1:25 pm - 3:45 pmLHR-SEA
10h 20mnonstop
$703Delta
Find Deal
Tue, Sep 23 - Tue, Sep 30

Delta flights from Seattle to United Kingdom

Our best Delta deals on Seattle to United Kingdom flight tickets
Delta
Aug 27
SEA8:25 pmSeattle/Tacoma Intl
9h 50m
LHR2:15 pmLondon Heathrow
Sep 10
LHR9:55 amLondon Heathrow
14h 10m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
Delta
Sep 23
SEA5:35 pmSeattle/Tacoma Intl
9h 45m
LHR11:20 amLondon Heathrow
Sep 30
LHR1:25 pmLondon Heathrow
10h 20m
SEA3:45 pmSeattle/Tacoma Intl
Delta
Sep 20
SEA10:00 pmSeattle/Tacoma Intl
24h 20m
1 stop
LHR6:20 amLondon Heathrow
Oct 3
LHR6:00 pmLondon Heathrow
10h 25m
SEA8:25 pmSeattle/Tacoma Intl

United Airlines flights from Seattle to United Kingdom

Our best United Airlines deals on Seattle to United Kingdom flight tickets
United Airlines
Sep 3
SEA7:20 amSeattle/Tacoma Intl
15h 10m
1 stop
LHR6:30 amLondon Heathrow
Sep 17
LHR6:30 amLondon Heathrow
20h 06m
2 stops
SEA6:36 pmSeattle/Tacoma Intl
United Airlines
Sep 20
SEA11:54 pmSeattle/Tacoma Intl
22h 26m
1 stop
LHR6:20 amLondon Heathrow
Sep 30
LHR6:30 amLondon Heathrow
23h 46m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
United Airlines
Sep 23
SEA7:20 amSeattle/Tacoma Intl
15h 10m
1 stop
LHR6:30 amLondon Heathrow
Oct 2
LHR6:30 amLondon Heathrow
13h 25m
1 stop
SEA11:55 amSeattle/Tacoma Intl

See travel insights to the United Kingdom from

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

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 United Kingdom?

In general, October is the cheapest month to fly from Seattle to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $666. If you aren’t able to travel to United Kingdom during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $669.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Seattle to United Kingdom is on a Tuesday when prices can be found for as low as $833. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $979.

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

According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from Seattle to United Kingdom in the afternoon for as low as $895. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the morning, with an average ticket price of $980. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Seattle when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $821 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Seattle for as low as $782 on momondo.

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

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

Cheap Seattle to United Kingdom flight deals and tips

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

Best Price Found

$190

Fastest flight time

9h 20m

Direct flights

Every day

Airports in United Kingdom

6 airports
The best one-way flight to United Kingdom from Seattle in the past 72 hours is $190. The best round-trip flight deal from Seattle to United Kingdom found on momondo in the last 72 hours is $473.
The fastest flight from Seattle to United Kingdom takes 9h 20m
Direct flights go from Seattle to United Kingdom every day.
There are 6 airports near United Kingdom: London Heathrow (LHR), London Luton (LTN), Manchester (MAN), London Stansted (STN), Glasgow Intl (GLA), London Gatwick (LGW)

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

    Prices for flights from Seattle/Tacoma Intl Airport to United Kingdom refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom 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 Seattle to United Kingdom?


Best airlines flying from Seattle to United Kingdom

Compare and see reviews for airlines that fly from Seattle to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $378Free CancellationRating
6.7
7,042 reviews
Search Lufthansa flights
IcelandairPriceFrom $500Free CancellationRating
7.0
487 reviews
Search Icelandair flights
United AirlinesPriceFrom $550Free CancellationRating
7.4
8,694 reviews
Search United Airlines flights
American AirlinesPriceFrom $568Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $579Free CancellationRating
7.0
2,695 reviews
Search Iberia flights
Aer LingusPriceFrom $583Free CancellationRating
7.0
1,076 reviews
Search Aer Lingus flights
Scandinavian AirlinesPriceFrom $584Free CancellationRating
7.3
1,345 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $584Free CancellationRating
8.0
7,927 reviews
Search Delta flights
British AirwaysPriceFrom $585Free CancellationRating
6.6
6,830 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $595Free CancellationRating
7.4
642 reviews
Search Virgin Atlantic flights

Why use momondo?

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

It is quick and easy to find Seattle to United Kingdom 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 United Kingdom that suits you.

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

All flight searches from Seattle to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

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

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 Seattle to United Kingdom.

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

If you are not ready to book a flight from Seattle to United Kingdom now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United Kingdom and let you know when they change.


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Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo