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Cheap flights from Seattle to the United Kingdom from $211

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 7/15. 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.
Icelandair Logo
7:00 pm - 11:55 amSEA-LHR
32h 55m1 stop
Icelandair Logo
1:05 pm - 5:50 pmLHR-SEA
12h 45m1 stop
$538Icelandair
Find Deal
sáb., sep. 20 - sáb., oct. 4
Icelandair Logo
7:00 pm - 11:40 amSEA-MAN
32h 40m1 stop
Icelandair Logo
1:05 pm - 11:25 amMAN-SEA
30h 20m1 stop
$540Icelandair
Find Deal
mié., may. 14 - mié., may. 21
Iberia Logo
1:30 pm - 6:50 amSEA-LHR
9h 20mnonstop
Iberia Logo
9:25 am - 11:10 amLHR-SEA
9h 45mnonstop
$572Iberia
Find Deal
mar., may. 6 - mar., may. 20
Iberia Logo
1:30 pm - 6:50 amSEA-LHR
9h 20mnonstop
Iberia Logo
9:25 am - 11:10 amLHR-SEA
9h 45mnonstop
$578Iberia
Find Deal
mar., abr. 29 - mar., may. 20
Delta Logo
8:20 pm - 2:15 pmSEA-LHR
9h 55mnonstop
Delta Logo
6:15 am - 5:40 pmLHR-SEA
19h 25m1 stop
$613Delta
Find Deal
mar., abr. 15 - vie., abr. 25
Delta Logo
12:00 pm - 11:10 amSEA-LHR
15h 10m1 stop
Delta Logo
9:00 am - 5:40 pmLHR-SEA
16h 40m1 stop
$618Delta
Find Deal
mar., abr. 15 - vie., abr. 25
British Airways Logo
6:58 am - 6:25 amSEA-LHR
15h 27m1 stop
British Airways Logo
9:50 am - 11:35 amLHR-SEA
9h 45mnonstop
$649British Airways
Find Deal
mié., abr. 23 - mié., abr. 30
British Airways Logo
1:30 pm - 6:50 amSEA-LHR
9h 20mnonstop
British Airways Logo
9:50 am - 11:35 amLHR-SEA
9h 45mnonstop
$650British Airways
Find Deal
lun., abr. 28 - jue., may. 15
Virgin Atlantic Logo
8:20 pm - 2:15 pmSEA-LHR
9h 55mnonstop
Virgin Atlantic Logo
1:25 pm - 3:45 pmLHR-SEA
10h 20mnonstop
$677Virgin Atlantic
Find Deal
dom., may. 4 - dom., may. 11
Virgin Atlantic Logo
1:55 pm - 5:20 pmSEA-LCY
19h 25m1 stop
Virgin Atlantic Logo
9:20 am - 8:49 pmLCY-SEA
19h 29m2 stops
$714Virgin Atlantic
Find Deal
mar., may. 13 - mar., may. 20

Icelandair flights from Seattle to United Kingdom

Our best Icelandair deals on Seattle to United Kingdom flight tickets
Icelandair
Sep 20
SEA7:00 pmSeattle/Tacoma Intl
32h 55m
1 stop
LHR11:55 amLondon Heathrow
Oct 4
LHR1:05 pmLondon Heathrow
12h 45m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Icelandair
May 14
SEA7:00 pmSeattle/Tacoma Intl
32h 40m
1 stop
MAN11:40 amManchester
May 21
MAN1:05 pmManchester
30h 20m
1 stop
SEA11:25 amSeattle/Tacoma Intl
Icelandair
May 5
SEA7:00 pmSeattle/Tacoma Intl
17h 20m
1 stop
LHR8:20 pmLondon Heathrow
May 20
LHR9:25 pmLondon Heathrow
31h 15m
1 stop
SEA8:40 pmSeattle/Tacoma Intl

Air Canada flights from Seattle to United Kingdom

Our best Air Canada deals on Seattle to United Kingdom flight tickets
Air Canada
May 7
SEA2:55 pmSeattle/Tacoma Intl
14h 25m
1 stop
LHR1:20 pmLondon Heathrow
May 13
LHR9:30 amLondon Heathrow
18h 07m
1 stop
SEA7:37 pmSeattle/Tacoma Intl
Air Canada
May 4
SEA7:20 amSeattle/Tacoma Intl
15h 10m
1 stop
LHR6:30 amLondon Heathrow
May 16
LHR9:30 amLondon Heathrow
18h 07m
1 stop
SEA7:37 pmSeattle/Tacoma Intl
Air Canada
Apr 28
SEA6:00 amSeattle/Tacoma Intl
16h 35m
1 stop
LHR6:35 amLondon Heathrow
May 14
LHR9:30 amLondon Heathrow
17h 03m
2 stops
SEA6:33 pmSeattle/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, January 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 $669. If you aren’t able to travel to United Kingdom during the month of January, then flying in October 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 $897. 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 6 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $830 when searching 6 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 $740 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

$211

Fastest flight time

9h 20m

Direct flights

Every day

Airports in United Kingdom

7 airports
The best one-way flight to United Kingdom from Seattle in the past 72 hours is $211. The best round-trip flight deal from Seattle to United Kingdom found on momondo in the last 72 hours is $538.
The fastest flight from Seattle to United Kingdom takes 9h 20m
Direct flights go from Seattle to United Kingdom every day.
There are 7 airports near United Kingdom: London Heathrow (LHR), London Luton (LTN), Edinburgh Turnhouse (EDI), Manchester (MAN), London Stansted (STN), London Gatwick (LGW), Glasgow Intl (GLA)

  • 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
6,963 reviews
Search Lufthansa flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
IcelandairPriceFrom $500Free CancellationRating
7.0
476 reviews
Search Icelandair flights
American AirlinesPriceFrom $568Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $582Free CancellationRating
7.0
2,655 reviews
Search Iberia flights
Aer LingusPriceFrom $583Free CancellationRating
7.0
1,060 reviews
Search Aer Lingus flights
DeltaPriceFrom $584Free CancellationRating
8.0
7,899 reviews
Search Delta flights
British AirwaysPriceFrom $585Free CancellationRating
6.6
6,715 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $595Free CancellationRating
7.4
636 reviews
Search Virgin Atlantic flights
FinnairPriceFrom $597Free CancellationRating
7.6
1,267 reviews
Search Finnair 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