Round-trip from | £460 |
---|---|
One-way from | £403 |
Popular in | August |
Cheapest in | January |
Fly from
Fly to
Budget
£460 - £547
Route
Depart
Return
Price
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Sat 19/4
1 stop31h 10m
Seattle/Tacoma Intl
Fri 2/5
1 stop20h 30m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Thu 14/11
2 stops27h 50m
Seattle/Tacoma Intl
Mon 18/11
2 stops23h 00m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Wed 27/11
Nonstop9h 55m
Seattle/Tacoma Intl
Sun 1/12
1 stop35h 32m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Wed 4/12
1 stop13h 40m
Seattle/Tacoma Intl
Wed 12/3
1 stop12h 05m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Mon 9/12
1 stop18h 30m
Seattle/Tacoma Intl
Wed 25/12
1 stop20h 25m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Tue 26/11
Nonstop10h 00m
Seattle/Tacoma Intl
Tue 3/12
Nonstop9h 25m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Tue 10/12
1 stop13h 40m
Seattle/Tacoma Intl
Wed 15/1
1 stop20h 25m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Mon 9/12
1 stop32h 07m
Seattle/Tacoma Intl
Wed 25/12
Nonstop9h 45m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Mon 9/12
1 stop13h 22m
Seattle/Tacoma Intl
Wed 25/12
Nonstop9h 45m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Wed 27/11
Nonstop9h 55m
Seattle/Tacoma Intl
Mon 24/2
Nonstop9h 25m
London GatwickSeattle/Tacoma Intl
LGW - SEA
LGWSEA
London Gatwick
Wed 27/11
2 stops20h 23m
Seattle/Tacoma Intl
Wed 4/12
2 stops19h 30m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Wed 27/11
Nonstop9h 55m
Seattle/Tacoma Intl
Wed 26/2
1 stop14h 36m
Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from London to Seattle (average of £617). Flying from London to Seattle in July is currently the most expensive (average of £839). 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.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 11% on flights from London to Seattle by exploring options for tickets at midday.
Travellers seeking maximum savings on their London to Seattle flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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).
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
Cheapflights makes it easy to find London to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Millions of users choose and trust Cheapflights to book the best flight deals from London to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Certainly. Search results for flights to Seattle from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Yes, Cheapflights offers price alerts on London to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.