Popular in | June |
---|---|
Cheapest in | January |
Round-trip from | $644 |
One-way from | $229 |
Friday flights are found to be more expensive to fly from Seattle to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 59 days in advance, which can save you up to 39% on flights from Seattle to London compared to booking the week you need them. Waiting 59 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $866. For sooner than that we have options available in the next 3 days from $1,144.
January is one of the best times of the year to fly to London from Seattle. Prices for January average $860 per person but you can even find prices for as low as $462. The most expensive prices can be found in the month of June. Opting for a January flight can save you 32% on your journey compared to booking in June
One of the essential ways to save on airfare from Seattle to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.
Aer Lingus is one of the most popular airlines used for those traveling from Seattle to London. Flights on this route from Aer Lingus typically cost $1,184.65 RT, a price that is 49% more expensive than the average Seattle to London flight. The cheapest flight found was $867 RT. When traveling from Seattle to London on Aer Lingus, the most popular airport to depart from is Seattle/Tacoma Intl Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Seattle to London, Aer Lingus flights are 7% more popular than any other airline flying that same route.
One of the most popular airlines traveling from Seattle to London is Delta. Flights from Delta traveling this route typically cost $1,008.11 RT. This price is typically 58% cheaper than other airlines that offer Seattle to London flights. When booking this route, the cheapest RT price found was $641. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to London. London Heathrow Airport is the most popular arrival airport in London. When flying from Seattle to London, Delta flights are 5% more popular than any other airline flying that same route.
Fly from
Fly to
Budget
$562 - $609
Route
Depart
Return
Price
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 5/1
1 stop19h 50m
London Heathrow
Sat 5/11
1 stop13h 05m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 4/17
1 stop14h 35m
London Heathrow
Wed 5/1
1 stop13h 01m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 4/23
Nonstop9h 45m
London Heathrow
Thu 5/2
1 stop13h 05m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Sun 4/28
Nonstop9h 20m
London Heathrow
Thu 5/9
Nonstop9h 45m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 4/16
1 stop22h 06m
London Heathrow
Tue 4/23
2 stops23h 55m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Sun 4/21
2 stops16h 45m
London Heathrow
Tue 5/7
1 stop15h 48m
Seattle/Tacoma IntlLondon Gatwick
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Wed 4/17
2 stops20h 45m
London Gatwick
Wed 4/24
2 stops36h 00m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 4/17
2 stops16h 40m
London Heathrow
Wed 4/24
2 stops18h 20m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 4/17
1 stop14h 00m
London Heathrow
Wed 4/24
1 stop13h 55m
Currently, November is the cheapest month in which you can book a flight from Seattle to London (average of $652). Flying from Seattle to London in June is currently the most expensive (average of $1,187). 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
$675
February
$665
March
$715
April
$732
May
$771
June
$1,187
July
$1,013
August
$793
September
$753
October
$715
November
$652
December
$674
LON Temperature | 39.2 - 62.6 °F |
---|
Crew
Food
Entertainment
Comfort
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Entertainment
Comfort
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Entertainment
Comfort
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Entertainment
Comfort
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Entertainment
Comfort
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Entertainment
Comfort
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
0%of flight departures | Morning6 am to noon |
69%of flight departures | AfternoonNoon to 6 pm |
30%of flight departures | Evening6 pm to midnight |
Sunday | 20daily flights |
---|---|
Monday | 20daily flights |
Tuesday | 15daily flights |
Wednesday | 20daily flights |
Thursday | 20daily flights |
Friday | 20daily flights |
Saturday | 20daily flights |
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