Use SEA Spot Saver to book security screening appointments in advance, reducing wait times for non-expedited passengers.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $596 (Gotogate) |
One-way from | $268 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $680 |
Good round-trip deal | $716 or less |
Good one-way deal | $496 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Sun 4/20
10:25 am-11:50 am
2 stops17h 25m
London Heathrow
Tue 5/6
9:30 am-7:37 pm
1 stop18h 07m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 8/11
7:00 pm-2:35 pm
1 stop11h 35m
London Gatwick
Mon 8/25
3:40 pm-8:40 pm
1 stop13h 00m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Sun 4/20
3:15 pm-1:10 pm
1 stop13h 55m
London Heathrow
Tue 5/6
6:15 am-5:25 pm
1 stop19h 10m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Thu 5/1
7:20 am-10:45 am
2 stops19h 25m
London Gatwick
Thu 5/8
7:00 pm-10:13 pm
3 stops35h 13m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Sun 4/20
1:30 pm-6:50 am
Nonstop9h 20m
London Heathrow
Tue 4/29
12:00 pm-9:14 pm
1 stop17h 14m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 5/6
6:20 am-8:35 am
2 stops18h 15m
London Gatwick
Tue 5/13
10:40 am-10:57 pm
2 stops20h 17m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Mon 4/28
3:45 pm-4:05 pm
2 stops16h 20m
London Stansted
Fri 5/2
7:15 am-5:50 pm
2 stops18h 35m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Thu 9/4
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 - LHR
SEALHR
Seattle/Tacoma Intl
Wed 9/24
5:45 am-10:00 am
2 stops20h 15m
London Heathrow
Wed 10/8
6:00 am-6:36 pm
2 stops20h 36m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Sun 4/20
8:50 am-9:40 am
1 stop16h 50m
London Heathrow
Wed 4/30
10:50 am-4:59 pm
1 stop14h 09m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*1 star | |
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 | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
Booking 46 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 Friday (22 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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).
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$378 | Average$768 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$498 | Average$891 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$508 | Average$680 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$582 | Average$731 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$583 | Average$793 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$597 | Average$785 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$597 | Average$839 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$615 | Average$931 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$615 | Average$872 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$621 | Average$879 | FlexibilityNo cancel fee | On-time70% |