Use SEA Spot Saver to book security screening appointments in advance, reducing wait times for non-expedited passengers.
Most accurate provider | AranGrant 3 stars |
---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $620 (oojo) |
One-way from | $284 (oojo) |
Popular in | June |
Cheapest in | October |
Average price | $684 |
Good round-trip deal | $725 or less |
Good one-way deal | $486 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sun 9/21
3:45 pm-2:40 pm
1 stop14h 55m
London Gatwick
Mon 9/29
3:40 pm-8:40 pm
1 stop13h 00m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 8/19
12:00 pm-5:40 pm
2 stops21h 40m
London Heathrow
Tue 9/2
7:50 pm-1:50 pm
2 stops26h 00m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 8/26
11:30 pm-8:20 pm
1 stop12h 50m
London Heathrow
Mon 9/8
9:25 pm-11:25 am
1 stop22h 00m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Thu 10/16
3:45 pm-7:05 pm
2 stops19h 20m
London Gatwick
Fri 10/24
9:20 am-8:40 pm
2 stops19h 20m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 10/14
5:35 pm-11:20 am
Nonstop9h 45m
London Heathrow
Thu 10/23
1:25 pm-3:45 pm
Nonstop10h 20m
SeattleLondon
SEA - LTN
SEALTN
Seattle/Tacoma Intl
Tue 8/12
10:00 am-10:10 pm
2 stops28h 10m
London Luton
Mon 8/25
9:55 pm-2:16 pm
2 stops24h 21m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Tue 8/12
10:00 am-9:15 pm
2 stops27h 15m
London Stansted
Mon 8/25
10:00 pm-1:01 pm
2 stops23h 01m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 10/1
1:30 pm-6:50 am
Nonstop9h 20m
London Heathrow
Tue 10/14
9:25 am-11:10 am
Nonstop9h 45m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 9/3
10:00 am-9:35 am
2 stops15h 35m
London Heathrow
Tue 9/23
9:30 am-6:36 pm
2 stops17h 06m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Mon 10/13
2:55 pm-1:20 pm
1 stop14h 25m
London Heathrow
Thu 10/23
6:30 am-2:16 pm
2 stops15h 46m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, November is the cheapest month in which you can book a flight from Seattle to London (average of $661). Flying from Seattle to London in June is currently the most expensive (average of $1,110). 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.
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 9% on airfare.
Travelers seeking maximum savings on their Seattle to London flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SEA to LON are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.
If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$378 | Average$768 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$504 | Average$674 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$550 | Average$872 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$581 | Average$735 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$583 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$597 | Average$762 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$598 | Average$851 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$615 | Average$870 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$616 | Average$873 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$621 | Average$871 | FlexibilityNo cancel fee | On-time70% |