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

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Cheap flights from Seattle to London in October 2019

The best prices found for SEA to LGW flights for October
29 Oct - 4 Nov
$579pp
SEA
Seattle/Tacoma Intl
Finnair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Finnair
 
1 STOP
SEA
Seattle/Tacoma Intl
31 Oct - 4 Nov
$617pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
25 Oct - 9 Nov
$621pp
SEA
Seattle/Tacoma Intl
Finnair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Finnair
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to London 2019 flight deals

Cheap flights to London from Seattle found for this year
26 Nov - 5 Dec
$430pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
10 Dec - 30 Jan
$432pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
25 Nov - 3 Dec
$432pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 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
18 Oct - 31 Oct
$610pp
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
SEA
Seattle/Tacoma Intl
20 Oct - 30 Oct
$610pp
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
SEA
Seattle/Tacoma Intl
21 Oct - 30 Oct
$614pp
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Aer Lingus
 
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 = £0.78
Flight duration
9h 35m
Average temperature for October in London
60.8 °F
Avg rainfall for October in London
2.8 ″

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

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.

What days are nonstop flights available from Seattle to London?

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

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 3,006 miles.

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

Per day, 22 flights depart from Seattle to London on average.
Afternoon (Noon - 6pm) - 77% of flight departures
Evening (6pm - Midnight) - 23% of flight departures

Related searches
Flights to London from Seattle