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Seattle To London Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

April
August
September
October
November
December
January
February
March

April is by far the best month, wherein you can get cheapest flights for Seattle to London. Meanwhile, April is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

Things to know
arrow One Way Fare
April

April- During this month the footfall is less so, the flight is gradually inexpensive.

round Round Trip Fare
April

April - is the cheapest month to book round trip flights.

Cheaper Fare
$ 406

Cheapest Fare- Currently, this is the fare price based on the current demand.

disclDisclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From Seattle To London

Icelandair
Icelandair

Seattle

19:00

Seattle Tacoma International Airport [SEA]

Sun , 26 Apr 2026

11h 40m
ellipse
1 Stop

London

14:40

London Gatwick Airport [LGW]

Mon, 27 Apr 2026

$411
Icelandair
Icelandair

Seattle

19:00

Seattle Tacoma International Airport [SEA]

Mon , 20 Apr 2026

11h 40m
ellipse
1 Stop

London

14:40

London Gatwick Airport [LGW]

Tue, 21 Apr 2026

$411
Icelandair
Icelandair

Seattle

19:00

Seattle Tacoma International Airport [SEA]

Wed , 29 Apr 2026

11h 40m
ellipse
1 Stop

London

14:40

London Gatwick Airport [LGW]

Thu, 30 Apr 2026

$411
Delta Airlines
Delta Airlines

Seattle

18:40

Seattle Tacoma International Airport [SEA]

Sun , 26 Apr 2026

31h 00m
ellipse
1 Stop

London

09:40

London Gatwick Airport [LGW]

Tue, 28 Apr 2026

$520
Delta Airlines
Delta Airlines

Seattle

18:40

Seattle Tacoma International Airport [SEA]

Wed , 29 Apr 2026

30h 45m
ellipse
1 Stop

London

09:25

London Gatwick Airport [LGW]

Fri, 01 May 2026

$520
Delta Airlines
Delta Airlines

Seattle

18:40

Seattle Tacoma International Airport [SEA]

Tue , 28 Apr 2026

30h 45m
ellipse
1 Stop

London

09:25

London Gatwick Airport [LGW]

Thu, 30 Apr 2026

$520
Turkish Airlines
Turkish Airlines

Seattle

19:10

Seattle Tacoma International Airport [SEA]

Thu , 30 Apr 2026

19h 15m
ellipse
1 Stop

London

22:25

London Gatwick Airport [LGW]

Fri, 01 May 2026

$572
Turkish Airlines
Turkish Airlines

Seattle

19:10

Seattle Tacoma International Airport [SEA]

Sun , 26 Apr 2026

19h 15m
ellipse
1 Stop

London

22:25

London Gatwick Airport [LGW]

Mon, 27 Apr 2026

$572
Turkish Airlines
Turkish Airlines

Seattle

19:10

Seattle Tacoma International Airport [SEA]

Wed , 29 Apr 2026

19h 15m
ellipse
1 Stop

London

22:25

London Gatwick Airport [LGW]

Thu, 30 Apr 2026

$572
Condor
Condor

Seattle

17:40

Seattle Tacoma International Airport [SEA]

Mon , 13 Apr 2026

12h 55m
ellipse
1 Stop

London

14:35

London Gatwick Airport [LGW]

Tue, 14 Apr 2026

$811
Condor
Condor

Seattle

17:40

Seattle Tacoma International Airport [SEA]

Thu , 30 Apr 2026

13h 00m
ellipse
1 Stop

London

14:40

London Gatwick Airport [LGW]

Fri, 01 May 2026

$811
ellipse

Find the Lowest Airfare Seattle to London

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
$406
05 April 2026
Air Canada
15:40 PM
Cheapest Airfare Within 30 Days
$406
05 April 2026
Air Canada
15:40 PM
Cheapest Airfare Within 90 Days
$406
05 April 2026
Air Canada
15:40 PM
ellipse

Early Morning Flight Seattle to London

wallet
Cheapest Flight
Found
$811
group
Average Flight
Time
12h 55m
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Date/Time
13 Apr 2026
17:40 PM
plane
Airlines
Condor
Ellipse

Late Night Flight Seattle to London

wallet
Cheapest Flight
Found
$572
group
Average Flight
Time
19h 15m
calendar
Date/Time
26 Apr 2026
19:10 PM
plane
Airlines
Turkish Airlines