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Cheap flights from Seattle (SEA) to London (LON)

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Cheap flights from Seattle to London in February 2020

The best prices found for SEA to LGW flights for February
25 Feb - 5 Mar
$381pp
SEA
Seattle/Tacoma Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
1 Mar - 12 Mar
$386pp
SEA
Seattle/Tacoma Intl
Finnair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
24 Feb - 12 Mar
$400pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to London 2020 flight deals

Cheap flights to London from Seattle found for this year
1 Mar - 12 Mar
$386pp
SEA
Seattle/Tacoma Intl
Finnair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
18 Mar - 25 Mar
$397pp
SEA
Seattle/Tacoma Intl
Major Airline
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Major Airline
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Mar - 11 Mar
$400pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to London from Seattle

Save time with Seattle to London direct flight deals
25 Feb - 5 Mar
$381pp
SEA
Seattle/Tacoma Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
3 Mar - 17 Mar
$408pp
SEA
Seattle/Tacoma Intl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SEA
Seattle/Tacoma Intl
21 Apr - 28 Apr
$422pp
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 London

Late deals on round-trip flights to London from Seattle, departing today and this week
31 Jan - 5 Feb
$448pp
SEA
Seattle/Tacoma Intl
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Feb - 12 Feb
$449pp
SEA
Seattle/Tacoma Intl
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
SEA
Seattle/Tacoma Intl
2 Feb - 9 Feb
$528pp
SEA
Seattle/Tacoma Intl
Major Airline
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Major Airline
 
1 STOP
SEA
Seattle/Tacoma Intl

Alternative routes for Seattle to London

Destination information for London

Things to know before you go. Useful info for your trip from Seattle to London
Today's exchange rate
$1.00 = £0.77
Flight duration
9h 36m
Average temperature for January in London
48.2 °F
Avg rainfall for January in London
2.0 ″

Airports servicing Seattle

Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)
Redmond (SEA)

Airports servicing London

Stansted (STN)
City (LCY)
Gatwick (LGW)
Heathrow (LHR)
Luton (LTN)

Related info for your journey

Useful info, stats and facts about Seattle to London flights.

Flight FAQs

From Seattle to London

How popular is this flight route?

Within the past month, 11 users have taken a look at flights from Seattle to London.

What percent of flights are delayed?

Airlines departing from Seattle to London can be delayed by up to 91min. or more hours.

How many passenger seats are available on a flight on this route?

On average, there are a total of 542 seats offered from Seattle to London per day.

What is the cheapest airline for this route?

While looking for the best option consider British Airways, our data currently shows that they have the cheapest flight available for the flight path. When traveling from Seattle to London, generally 29 flights depart for this route daily.

How long does the flight from Seattle to London take?

A nonstop flight takes up to 10 hours, covering a distance of 2,990 miles.

How many flights depart from Seattle to London on average per day?

Per day, 23 flights depart from Seattle to London on average.
Afternoon (Noon - 6pm) - 57% of flight departures
Evening (6pm - Midnight) - 43% of flight departures

Is Seattle weather warmer or cooler than London?

Our data indicates that the weather will be 77 °F on average in the month of July. The temperature in London is typically colder than in Seattle. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.