Popular in | July |
---|---|
Cheapest in | November |
Round-trip from | £475 |
One-way from | £223 |
Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 16% on the overall cost on flights from London to Seattle.
Travelers have found it’s best to book a flight 44 days in advance to save up to 35% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 44 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Seattle 1-2 weeks in advance for as low as £540, or £741 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, November can be a great choice for travel to Seattle. Flights to Seattle from London in November are about £556 on average during November, but can be found for as low as £306.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 9% on flights from London to Seattle by exploring options for tickets in the evening.
One of the most popular airlines travelling from London to Seattle is KLM. Flights on this route from KLM typically cost £712.13 RT, a price that is 69% cheaper than the average London to Seattle flight. The cheapest flight found was £323 RT. The most popular departure airport in London when flying to Seattle is London Heathrow Airport. The most popular airport to fly into when visiting Seattle is Seattle/Tacoma Intl Airport. When flying from London to Seattle, KLM flights are 7% more popular than any other airline flying that same route.
One of the most popular airlines travelling from London to Seattle is Iberia. Flights on this route from Iberia typically cost £780.47 RT, a price that is 63% more expensive than the average London to Seattle flight. The cheapest flight found was £560 RT. The most popular departure airport in London when flying to Seattle is London Heathrow Airport. The most popular airport to fly into when visiting Seattle is Seattle/Tacoma Intl Airport. When flying from London to Seattle, Iberia flights are 4% more popular than any other airline flying that same route.
Fly from
Fly to
Budget
£477 - £508
Route
Depart
Return
Price
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Mon 16/9
2 stops16h 56m
Seattle/Tacoma Intl
Mon 23/9
2 stops15h 20m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Mon 16/9
Nonstop9h 55m
Seattle/Tacoma Intl
Mon 23/9
1 stop12h 52m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Mon 16/9
Nonstop9h 45m
Seattle/Tacoma Intl
Mon 23/9
1 stop20h 33m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Sat 21/9
1 stop28h 51m
Seattle/Tacoma Intl
Sat 5/10
1 stop14h 20m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Mon 16/9
Nonstop10h 30m
Seattle/Tacoma Intl
Mon 23/9
1 stop12h 52m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Thu 12/9
Nonstop9h 45m
Seattle/Tacoma Intl
Tue 24/9
2 stops19h 14m
London GatwickSeattle/Tacoma Intl
LGW - SEA
LGWSEA
London Gatwick
Mon 16/9
1 stop15h 35m
Seattle/Tacoma Intl
Mon 23/9
1 stop11h 55m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Thu 26/9
2 stops16h 11m
Seattle/Tacoma Intl
Wed 2/10
2 stops14h 40m
London HeathrowSeattle/Tacoma Intl
LHR - SEA
LHRSEA
London Heathrow
Thu 26/9
Nonstop9h 45m
Seattle/Tacoma Intl
Wed 2/10
Nonstop9h 20m
Currently, February is the cheapest month in which you can book a flight from London to Seattle (average of £594). Flying from London to Seattle in July is currently the most expensive (average of £800). 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.
January
£489
February
£476
March
£506
April
£521
May
£546
June
£613
July
£640
August
£612
September
£549
October
£525
November
£480
December
£476
SEA Temperature | 5 - 19 °C |
---|
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
52%of flight departures | Morning6 am to noon |
47%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
Monday | 20daily flights |
---|---|
Tuesday | 24daily flights |
Wednesday | 20daily flights |
Thursday | 20daily flights |
Friday | 20daily flights |
Saturday | 25daily flights |
Sunday | 20daily flights |
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.
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