San Francisco (SFO) → London (LHR)
About San Francisco to London Flights
Discover the best flights from San Francisco to London, covering 8,616 km in approximately 11h 16m. San Francisco (SFO) to London (LHR) is one of the major long-haul routes connecting United States and United Kingdom. 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 San Francisco to London.
12-Month Price History
Flight prices from San Francisco to London vary significantly throughout the year. February typically offers the best deals with average prices around $1602, while July sees the highest prices, averaging $2685. 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
105 days
For best prices
Booking Tips
For the best prices on San Francisco to London flights, we recommend booking 71 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 |
|---|---|---|---|
Delta Air Lines DL | $2250 | $9900 | $11920 |
Air France AF | $2350 | $9210 | $12180 |
British Airways BA | $2400 | $9920 | $16030 |
Lufthansa LH | $2420 | $8510 | $15610 |
American Airlines AA | $2550 | $7720 | $14460 |
United Airlines UA | $2570 | $9370 | $13490 |
Alaska Airlines AS | $2630 | $7900 | $15080 |
Delta Air Lines
DL
Economy
$2250
Business
$9900
First
$11920
Air France
AF
Economy
$2350
Business
$9210
First
$12180
British Airways
BA
Economy
$2400
Business
$9920
First
$16030
Lufthansa
LH
Economy
$2420
Business
$8510
First
$15610
American Airlines
AA
Economy
$2550
Business
$7720
First
$14460
United Airlines
UA
Economy
$2570
Business
$9370
First
$13490
Alaska Airlines
AS
Economy
$2630
Business
$7900
First
$15080
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
San Jose → London
San Jose International (SJC) to Heathrow (LHR)
Distance: 8,619 km
Average price: $1811
Oakland → London
Oakland International (OAK) to Heathrow (LHR)
Distance: 8,599 km
Average price: $1807
Sacramento → London
Sacramento International (SMF) to Heathrow (LHR)
Distance: 8,479 km
Average price: $1783
San Jose → London
San Jose International (SJC) to Heathrow (LHR)
Distance: 8,619 km
Average price: $1811
Don't Forget Travel Insurance!
Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to London, United Kingdom.
- Medical coverage up to $250,000
- Trip interruption & delays covered
- Lost luggage protection included
From just $45/month • Works in 180+ countries • COVID-19 coverage included
Trusted by 100,000+ travelers
Frequently Asked Questions
How long is the flight from San Francisco to London?
The flight time from San Francisco (SFO) to London (LHR) 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 San Francisco and London?
The aerial distance between San Francisco and London is 8,616 kilometers (5,354 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from San Francisco to London?
Several airlines operate flights between San Francisco and London, 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 San Francisco to London?
Based on historical data, February typically offers the lowest airfares for flights from San Francisco to London. 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 London?
For the best prices on San Francisco to London flights, we recommend booking 99 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from San Francisco to London?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to United Kingdom should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between San Francisco and London?
San Francisco operates on America/Los_Angeles time zone, while London is in the Europe/London time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.