London (LHR) → San Francisco (SFO)
About London to San Francisco Flights
Discover the best flights from London to San Francisco, covering 8,616 km in approximately 11h 16m. London (LHR) to San Francisco (SFO) is one of the major long-haul routes connecting United Kingdom and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from London to San Francisco.
12-Month Price History
Flight prices from London to San Francisco vary significantly throughout the year. February typically offers the best deals with average prices around $1611, while July sees the highest prices, averaging $2677. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
103 days
For best prices
Booking Tips
For the best prices on London to San Francisco flights, we recommend booking 119 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
United Airlines UA | $2310 | $9410 | $11340 |
Alaska Airlines AS | $2390 | $7290 | $15290 |
British Airways BA | $2500 | $10220 | $12810 |
Delta Air Lines DL | $2520 | $8250 | $14780 |
Lufthansa LH | $2550 | $10340 | $13540 |
American Airlines AA | $2590 | $7880 | $13390 |
Air France AF | $2640 | $8360 | $13790 |
United Airlines
UA
Economy
$2310
Business
$9410
First
$11340
Alaska Airlines
AS
Economy
$2390
Business
$7290
First
$15290
British Airways
BA
Economy
$2500
Business
$10220
First
$12810
Delta Air Lines
DL
Economy
$2520
Business
$8250
First
$14780
Lufthansa
LH
Economy
$2550
Business
$10340
First
$13540
American Airlines
AA
Economy
$2590
Business
$7880
First
$13390
Air France
AF
Economy
$2640
Business
$8360
First
$13790
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
London → San Francisco
Gatwick (LGW) to San Francisco International (SFO)
Distance: 8,655 km
Average price: $1818
Birmingham → San Francisco
Birmingham (BHX) to San Francisco International (SFO)
Distance: 8,476 km
Average price: $1783
Birmingham → San Francisco
Birmingham (BHX) to San Francisco International (SFO)
Distance: 8,476 km
Average price: $1783
Bristol → San Francisco
Bristol (BRS) to San Francisco International (SFO)
Distance: 8,514 km
Average price: $1790
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Frequently Asked Questions
How long is the flight from London to San Francisco?
The flight time from London (LHR) to San Francisco (SFO) is approximately 11 hours and 16 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between London and San Francisco?
The aerial distance between London and San Francisco is 8,616 kilometers (5,354 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from London to San Francisco?
Several airlines operate flights between London and San Francisco, including United Airlines, Alaska Airlines, British Airways and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from London to San Francisco?
Based on historical data, February typically offers the lowest airfares for flights from London to San Francisco. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to San Francisco?
For the best prices on London to San Francisco flights, we recommend booking 162 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from London to San Francisco?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United Kingdom traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between London and San Francisco?
London operates on Europe/London time zone, while San Francisco is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.