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Cheap flights from Seattle (SEA) to United Kingdom

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How to find the cheapest flight from
Seattle (SEA) to United Kingdom

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 44% on flights from Seattle to United Kingdom compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $910. For sooner than that we have options available in the next 3 days from $1,146.

What is the cheapest month to fly from Seattle to United Kingdom?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, October can be a great choice for travel to United Kingdom. Flights to United Kingdom from Seattle in October are about $714 on average during October, but can be found for as low as $445.

Cheap flights from Seattle to United Kingdom in January, February 2021

The best prices found for SEA to United Kingdom flights for January, February
23 Feb - 9 Mar
$616pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
27 Feb - 10 Mar
$617pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Feb - 10 Mar
$619pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to United Kingdom 2021 flight deals

Cheap flights to United Kingdom from Seattle found for this year
1 Sep - 30 Sep
$615pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
23 Feb - 9 Mar
$616pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
27 Feb - 10 Mar
$617pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to United Kingdom from Seattle

Save time with Seattle to United Kingdom direct flight deals
22 Feb - 10 Mar
$626pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
SEA
Seattle/Tacoma Intl
27 Feb - 10 Mar
$646pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
SEA
Seattle/Tacoma Intl
17 Feb - 24 Feb
$649pp
SEA
Seattle/Tacoma Intl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to United Kingdom

Late deals on round-trip flights to United Kingdom from Seattle, departing today and this week
28 Jan - 1 Feb
$797pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
27 Jan - 17 Feb
$808pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
30 Jan - 5 Feb
$826pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to United Kingdom from Seattle

The cheapest one-way flights from Seattle to United Kingdom
1:37 pm - 3:25 am
Multiple Airlines
2 Stops
53h 48m
SEA - LHR
Multiple Airlines
$342
Kiwi.com
2:14 am - 6:25 am
Multiple Airlines
2 Stops
44h 11m
SEA - LHR
Multiple Airlines
$352
Kiwi.com
2:14 am - 3:25 am
Multiple Airlines
2 Stops
41h 11m
SEA - LHR
Multiple Airlines
$355
Kiwi.com

Related info for your journey

Useful info, stats and facts about Seattle to United Kingdom flights.

Flight FAQs

From Seattle to United Kingdom

Are flight prices decreasing from Seattle to United Kingdom due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and United Kingdom for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to United Kingdom to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Seattle/Tacoma Intl to United Kingdom. Policies will vary by airline.

Which airlines flying from Seattle/Tacoma Intl to United Kingdom have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Seattle/Tacoma Intl to United Kingdom that may be offering flexible cancellation policies are Delta, British Airways, and Virgin Atlantic. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Seattle to United Kingdom for under $700 on Cheapflights?

Yes, there are multiple flights from Seattle to United Kingdom for under $700. The cheapest flight booked recently is on Virgin Atlantic for just $616, but on average you can expect to pay $632.

Are there nonstop flights from Seattle to United Kingdom for under $700 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to United Kingdom under $700. A good price for a nonstop flight from Seattle to United Kingdom is less than $684.

Are there last-minute flights available from Seattle to United Kingdom for under $800?

There are currently 20+ open flights from Seattle to United Kingdom within the next 7 days for less than $800.

What days are nonstop flights available from Seattle to United Kingdom?

You can find nonstop flights on the following days: Sunday, Saturday.

What are the most popular airlines that fly from Seattle to United Kingdom?

American Airlines, Air Canada and Air France are the most popular airlines when flying from Seattle to United Kingdom.

What are the most popular routes from Seattle to United Kingdom?

When deciding which route to take from Seattle to United Kingdom consider Seattle/Tacoma Intl - London Heathrow, Seattle/Tacoma Intl - London City or Seattle/Tacoma Intl - London Gatwick as they are the most popular.

What are the cheapest Flights from Seattle to United Kingdom?

On average you can expect to pay $1,453 for a flight from Seattle to United Kingdom. The cheapest flight overall is $271 while the most popular route, (Seattle/Tacoma Intl - London Heathrow) is currently priced at $646.

How long is the flight from Seattle to United Kingdom?

For as low as $616, Virgin Atlantic can have you in United Kingdom from Seattle in 9h 15m. All flights are typically nonstop.

What are the cheapest airlines flying from Seattle to United Kingdom round-trip?

According to our current data, Virgin Atlantic ($616), Air Canada ($624), and Lufthansa ($635) offers the cheapest pricing from Seattle to United Kingdom.

What are the cheapest airlines to fly from Seattle to United Kingdom one-way?

The cheapest airline for a one-way flight from Seattle to United Kingdom is WestJet ($359).

Destination information for United Kingdom

Things to know before you go. Useful info for your trip from Seattle to United Kingdom
Today's exchange rate
$1 = £0.74

Airports servicing Seattle

Top 10 airlines flying from Seattle to United Kingdom

The chart below displays the airlines Cheapflights users traveling from Seattle to United Kingdom choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Norwegian Air UK
$377 $635 No cancel fee N/A
Norwegian
$403 $697 No cancel fee 74%
Thomas Cook Airlines
$476 $743 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Thomas Cook Airlines. Please check directly on their website for additional information.

Condor
$648 $749 No cancel fee 76%
Air Canada
$373 $763 No cancel fee 67%
Lufthansa
$378 $764 No cancel fee 76%
KLM
$415 $768 No cancel fee 75%
Air France
$414 $819 No cancel fee 77%
Finnair
$335 $853 No cancel fee 76%
Austrian Airlines
$438 $877 No cancel fee 78%
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