Fly from
Fly to
Route
Depart
Return
Price
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Fri 7/2
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Thu 6/3
14:35-10:55
1 stop12h 20m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Fri 7/2
20:40-17:00
1 stop28h 20m
Seattle/Tacoma Intl
Thu 6/3
14:35-19:30
1 stop20h 55m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Mon 10/2
15:15-19:56
2 stops36h 41m
Seattle/Tacoma Intl
Wed 12/2
15:15-12:50
1 stop13h 35m
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Tue 21/1
08:15-00:14
3 stops47h 59m
Seattle/Tacoma Intl
Thu 30/1
05:30-10:35
1 stop21h 05m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Mon 13/1
09:25-20:04
1 stop18h 39m
Seattle/Tacoma Intl
Wed 29/1
09:45-12:05
1 stop18h 20m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Wed 15/1
06:30-11:50
1 stop13h 20m
Seattle/Tacoma Intl
Wed 22/1
19:00-12:40
Nonstop9h 40m
EdinburghSeattle
EDI - SEA
EDISEA
Edinburgh Turnhouse
Mon 13/1
06:10-17:00
2 stops18h 50m
Seattle/Tacoma Intl
Mon 27/1
14:35-19:10
2 stops20h 35m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Mon 13/1
13:15-15:15
Nonstop10h 00m
Seattle/Tacoma Intl
Wed 29/1
17:45-11:10
Nonstop9h 25m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Mon 13/1
14:30-09:50
2 stops27h 20m
Seattle/Tacoma Intl
Wed 29/1
10:35-10:10
1 stop15h 35m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Wed 8/1
18:00-21:30
1 stop35h 30m
Seattle/Tacoma Intl
Mon 13/1
09:20-07:25
1 stop14h 05m
Currently, January is the cheapest month in which you can book a flight from United Kingdom to Seattle (average of £616). Flying from United Kingdom to Seattle in July is currently the most expensive (average of £841). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from United Kingdom to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.
If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Cheapflights helps you find that perfect flight to Seattle from United Kingdom by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Cheapflights does show flights with no change fees to all users. To see these options for flights from United Kingdom to Seattle, users can toggle the no change fees filter when performing a flight search.
Yes! Start tracking prices for United Kingdom to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.