British Airways flights from London to San Francisco (LON - SFO)

LON — SFO
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Find British Airways flight deals from London to San Francisco

Enter your travel dates to find the best prices.

Cheapest British Airways flights from London to San Francisco

Thu 29/1011:45 -
Nonstop11h 10m
Tue 3/1120:35 -
Nonstop10h 35m
Deal found 17/9£402
Sat 31/1011:45 -
Nonstop11h 10m
Sat 7/1114:05 -
1 stop13h 35m
Deal found 16/9£403
Fri 9/1016:55 -
1 stop14h 42m
Sat 17/1015:18 -
1 stop12h 57m
Deal found 16/9£405
  • How do most travelers feel about British Airways?

    When planning your LON-SFO trip, keep in mind that British Airways is typically rated 6.7/10. This rating comes from 8,229 reviews by Cheapflights users who have traveled with British Airways.

  • Can I get a flight from London to San Francisco on British Airways for under £521?

    London to San Francisco flights on British Airways are currently available under £521. 19 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

British Airways flights from London to San Francisco in 2026

One-way from

£379

Return from

£396

Popular in

December

Cheapest in

February

Average price (all airlines)

£505
British Airways
  • British Airways
  • 16/12-31/12
  • 2 total stops
  • 21h 17m total
  • London to San Francisco
British Airways
  • British Airways
  • 5/12-24/12
  • 2 total stops
  • 27h 36m total
  • London to San Francisco
Highest demand for flights from London to San Francisco; 0% potential price increase.
Best time to find cheap flights from London to San Francisco; 1% potential price drop.
Average price for all London to San Francisco flights (one-way and round-trip).

Which month is the cheapest to fly Economy class from London to San Francisco?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are December and July.

Weekly British Airways flight availability from London to San Francisco

The most British Airways flights from LON to SFO are scheduled on a Wednesday (2 on average). You will have fewer British Airways flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in San Francisco by month

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

When is the best time to book a flight to San Francisco with British Airways?

The best time to book a flight to San Francisco with British Airways is 73 days before departure. On average, fares are higher if you book on the same day as departure.

Best time to book a flight from London to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from London with our price prediction graph.
Estimated return price

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See what others are saying about British Airways

British Airways
6.7
Okay
8,229 reviews
Overview

Crew

7.7

Boarding

7.0

Comfort

6.8

Food

6.4

Entertainment

6.5

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