United's Polaris Business Class offers lie-flat seats and Saks Fifth Avenue bedding.
United's Premium Plus offers upgraded comfort with extra legroom and priority check-in.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $521 (TravelUp) |
One-way from | $511 (TAP AIR PORTUGAL) |
Popular in | July |
Cheapest in | February |
Average price | $635 |
Good round-trip deal | $612 or less |
Good one-way deal | $625 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 5/1
6:30 am-12:40 pm
1 stop14h 10m
San Francisco
Tue 5/20
12:55 pm-7:25 am
Nonstop10h 30m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 4/22
5:10 pm-4:10 pm
1 stop31h 00m
San Francisco
Tue 4/29
6:30 am-5:05 pm
2 stops26h 35m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 9/29
11:20 am-1:35 pm
1 stop34h 15m
San Francisco
Mon 10/20
4:20 pm-5:45 pm
1 stop17h 25m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 5/1
8:40 am-4:10 pm
1 stop15h 30m
San Francisco
Sun 5/11
12:55 pm-7:25 am
Nonstop10h 30m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 5/7
6:00 am-4:10 pm
1 stop18h 10m
San Francisco
Mon 5/12
7:30 pm-5:50 pm
1 stop14h 20m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 5/1
8:40 am-7:55 pm
2 stops19h 15m
San Francisco
Sun 5/11
8:35 am-10:00 am
2 stops17h 25m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 5/1
10:45 am-1:50 pm
Nonstop11h 05m
San Francisco
Mon 5/12
7:30 pm-1:55 pm
Nonstop10h 25m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 4/24
8:20 am-7:40 pm
2 stops19h 20m
San Francisco
Wed 4/30
3:54 pm-12:50 pm
1 stop12h 56m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 4/22
11:15 am-2:15 pm
Nonstop11h 00m
San Francisco
Tue 4/29
9:20 pm-3:40 pm
Nonstop10h 20m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 5/9
10:35 am-1:40 pm
Nonstop11h 05m
San Francisco
Fri 5/16
7:40 pm-2:10 pm
Nonstop10h 30m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 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*1 star | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from London Heathrow Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco (average of $276). Flying from London Heathrow Airport to San Francisco in June is currently the most expensive (average of $393). 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.
When flying from London Heathrow Airport to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 3% versus a flight at noon.
The most flights from LHR to SFO are scheduled on a Monday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (31 on average).
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September 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 51.8 F).
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$382 | Average$581 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$513 | Average$651 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$519 | Average$710 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$539 | Average$707 | FlexibilityNo cancel fee | On-time78% | |
Cheapest$544 | Average$743 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$546 | Average$653 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$552 | Average$697 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$553 | Average$744 | FlexibilityNo cancel fee | On-time72% | |
Cheapest$555 | Average$721 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$578 | Average$717 | FlexibilityNo cancel fee | On-time69% |