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Cheap flights from London to Seattle

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The price shown for each flight will be the average for all passengers, including any infants.
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LON
London
03A
Seattle
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Home North America USA Washington Seattle Cheap flights from London to Seattle

Cheap flights from London to Seattle in June 2019

The best prices found for LON to SEA flights for June
24 Jun - 15 Jul
£385pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
Found 24/5/19
21 Jun - 15 Jul
£386pp
LHR
London Heathrow
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
LHR
London Heathrow
Found 24/5/19
23 Jun - 12 Jul
£386pp
LHR
London Heathrow
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
LHR
London Heathrow
Found 24/5/19

London to Seattle 2019 flight deals

Cheap flights to Seattle from London found for this year
27 Sep - 7 Oct
£364pp
LHR
London Heathrow
British Airways
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
British Airways
Direct
LHR
London Heathrow
Found 24/5/19
13 Oct - 23 Oct
£364pp
LHR
London Heathrow
British Airways
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
British Airways
Direct
LHR
London Heathrow
Found 24/5/19
12 Sep - 28 Sep
£366pp
LGW
London Gatwick
British Airways
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
British Airways
 
1 STOP
LGW
London Gatwick
Found 24/5/19

Last minute flights from London to Seattle

Late deals on return flights to Seattle from London, departing today and this week
27 May - 3 Jun
£511pp
LHR
London Heathrow
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
LHR
London Heathrow
Found 24/5/19
29 May - 2 Jun
£528pp
LHR
London Heathrow
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
LHR
London Heathrow
Found 24/5/19
24 May - 27 May
£569pp
LHR
London Heathrow
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
LHR
London Heathrow
Found 24/5/19

Destination information for Seattle

Things to know before you go. Useful info for your trip from London to Seattle
Today's exchange rate
£1.00 = $1.27
Flight duration
9h 40m

Airports servicing London

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

Airports servicing Seattle

Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)
Redmond (SEA)
Average temperature for May in Seattle
19.0 °C
Avg rainfall for May in Seattle
45.1 mm

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There will be 0.21 mm less rainfall in Seattle than in London over the next ten days.
The weather in Seattle for the next ten days will be 19.0°C - that’s 0.8°C warmer than London.
According to recent data, direct flights from London to Seattle are available and depart daily.
Which airlines fly from London to Seattle?
Currently, our data suggests that 12 airlines fly London to Seattle directly, including American Airlines, KLM and Aer Lingus.
Over the last 30 days, 449 people have searched for cheap flights from London to Seattle.

Related info for your journey

Useful info, stats and facts about London to Seattle flights.
Flight FAQs
From London to Seattle
What percent of flights are delayed?
A delay of 1 hr 44.1 min is common
How many passenger seats are available on a flight on this route?
On average, all flights from London offer a total of 524 seats to Seattle per day
How many passenger seats are available on a flight on this route?
Popular British Airways operates 28 flight per week
Related searches
Flights to Seattle from London
Flights to London
Flights to Seattle

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Find flight deals

From
To
Depart
–
Return
Any month
1 Adult
×
Cabin class
Travellers
16+
12-15
2-11
under 2
under 2
The price shown for each flight will be the average for all passengers, including any infants.
The price shown for each flight will be the average for all passengers, including any infants.
Compare vs Cheapflights |
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Leaving on
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1 Adult
The price shown for each flight will be the average for all passengers, including any infants.