Menu

Cheap flights from Seattle-Tacoma International (SEA) to London (LON)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Seattle-Tacoma International to London are usually found in October or April, booked 60 days in advance, depart on a Tuesday or Monday and return on a Tuesday

$1069
$875
$680
$486
Price
$486 - $956
Temperature
48 - 73 °F
Rainfall
1 - 3 inches
Most popular in June High demand for flights, 22% potential price rise
Cheapest in October Best time to find cheap flights, 5% potential price drop
Average price $587 Price for this month
Cheapest price $486 From Seattle-Tacoma International to London

Cheap flights from Seattle-Tacoma International to London in November 2019

The best prices found for SEA to LGW flights for November
26 Nov - 5 Dec
$611pp
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
LCY
London City
LCY
London City
Aer Lingus
 
1 STOP
SEA
Seattle/Tacoma Intl
30 Nov - 10 Dec
$612pp
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
SEA
Seattle/Tacoma Intl
28 Nov - 9 Dec
$612pp
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle-Tacoma International to London

Late deals on round-trip flights to London from Seattle-Tacoma International, departing today and this week
19 Nov - 28 Nov
$611pp
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
LCY
London City
LCY
London City
Aer Lingus
 
1 STOP
SEA
Seattle/Tacoma Intl

Alternative routes for Seattle-Tacoma International to London

Destination information for London

Things to know before you go. Useful info for your trip from Seattle-Tacoma International to London
Today's exchange rate
$1.00 = £0.78
Flight duration
9h 35m
Average temperature for November in London
53.6 °F
Avg rainfall for November in London
2.5 ″

Airports servicing Seattle

Airports servicing London

Stansted (STN)
City (LCY)
Gatwick (LGW)
Heathrow (LHR)
Luton (LTN)
Weekly flight availability
from Seattle-Tacoma International to London
Sunday
11 daily flights
Monday
11 daily flights
Tuesday
11 daily flights
Wednesday
11 daily flights
Thursday
16 daily flights
Friday
16 daily flights
Saturday
16 daily flights

Related info for your journey

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

Flight FAQs

From Seattle-Tacoma International to London

How popular is this flight route?

The Seattle/Tacoma Intl to London flight path was viewed by 12 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

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

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

Generally, 542 passengers can be accommodated when flying from Seattle/Tacoma Intl to London on commercial airlines.

What is the cheapest airline for this route?

Currently, British Airways offers the cheapest flights from Redmond to London. On average 29 flights can be found for this airline route daily.

How long does the flight from Seattle-Tacoma International to London take?

For nonstop trips expect to fly for about 10 hours. The travel distance is approximately 2,990 miles.

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

Per day, 18 flights depart from Seattle/Tacoma Intl to London on average.
Afternoon (Noon - 6pm) - 61% of flight departures
Evening (6pm - Midnight) - 39% of flight departures