United's Polaris offers lie-flat seats and Saks Fifth Avenue bedding for premium comfort.
United's Premium Plus offers extra legroom, upgraded meals, and two checked bags on international routes.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $589 (Cheapflightsfares) |
One-way from | $331 (Mytrip) |
Popular in | June |
Cheapest in | October |
Average price | $684 |
Good round-trip deal | $682 or less |
Good one-way deal | $454 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Tue 4/1
1:33 pm-10:30 am
1 stop12h 57m
London Heathrow
Thu 4/10
10:45 am-1:50 pm
Nonstop11h 05m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Sun 3/16
6:30 pm-9:35 pm
2 stops20h 05m
London Heathrow
Tue 4/1
9:05 pm-4:30 pm
2 stops27h 25m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Mon 3/17
5:40 pm-5:30 pm
1 stop16h 50m
London Heathrow
Wed 4/2
7:50 pm-2:30 pm
1 stop26h 40m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Wed 3/26
7:00 am-9:20 am
2 stops19h 20m
London Heathrow
Wed 4/2
8:40 am-4:10 pm
1 stop15h 30m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Thu 3/20
7:00 am-10:10 am
1 stop20h 10m
London Heathrow
Mon 3/24
8:55 am-5:25 pm
1 stop15h 30m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Tue 3/18
8:25 pm-5:50 pm
1 stop14h 25m
London Heathrow
Tue 3/25
8:55 am-5:25 pm
1 stop15h 30m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Wed 4/23
4:10 pm-10:30 am
Nonstop10h 20m
London Heathrow
Thu 5/8
6:30 am-11:45 am
1 stop13h 15m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Fri 3/28
2:45 pm-5:30 am
2 stops31h 45m
London Heathrow
Fri 4/11
12:05 pm-9:37 pm
1 stop17h 32m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Sun 3/9
6:30 pm-12:00 pm
Nonstop10h 30m
London Heathrow
Tue 3/18
11:45 am-4:00 pm
Nonstop11h 15m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Mon 3/10
9:40 pm-3:15 pm
Nonstop10h 35m
London Heathrow
Thu 4/17
10:45 am-1:50 pm
Nonstop11h 05m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*1 star | |
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 | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars |
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to London Heathrow Airport. 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 San Francisco to London Heathrow Airport (average of $661). Flying from San Francisco to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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 San Francisco to London Heathrow Airport 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 14% on airfare.
Travelers seeking maximum savings on their San Francisco to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SFO to LHR are scheduled on a Monday (33 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (26 on average).
In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 1.6 in.
If weather is an important factor for your trip to London Heathrow Airport, 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).
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$465 | Average$657 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$482 | Average$580 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$492 | Average$598 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$546 | Average$815 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$555 | Average$720 | FlexibilityNo cancel fee | On-time79% | |
Cheapest$556 | Average$841 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$572 | Average$682 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$591 | Average$809 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$591 | Average$879 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$594 | Average$825 | FlexibilityNo cancel fee | On-timeN/A |