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

LON — SFO
5 May — 12 May1
1 adult

Cheapflights users flying from London to San Francisco on British Airways typically fly into San Francisco and depart from London Heathrow. Select your dates above for pricing.

British Airways flights from London to San Francisco in 2025

Find detailed information about British Airways flights from London to San Francisco. Explore the options provided by British Airways to plan your journey from London to San Francisco. Data last updated 30 April 2025.

One-way from

£448

Return from

£407

Popular in

July

Cheapest in

February

Average price (all airlines)

£481
British Airways
  • British Airways
  • 9/5
  • Nonstop
  • 11h 05m total
  • London to San Francisco
British Airways
  • British Airways
  • 13/9-24/9
  • 1 total stop
  • 28h 05m total
  • London to San Francisco
Highest demand for flights from London to San Francisco; 18% potential price increase.
Best time to find cheap flights from London to San Francisco; 3% potential price drop.
Average price for all London to San Francisco flights (one-way and round-trip).
  • Can I get a flight from London to San Francisco on British Airways for under £700?

    London to San Francisco flights on British Airways are currently available under £700. 2 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

  • How do most travelers feel about British Airways?

    When planning your LON-SFO trip, keep in mind that British Airways is typically rated 8.0/10. This rating comes from 7,929 reviews by Cheapflights users who have traveled with British Airways.

Find British Airways flight deals from London to San Francisco

Cheapest British Airways flights from London to San Francisco
Explore the most affordable British Airways flight options available from London to San Francisco. Find the lowest fares with prices last updated on 30 April 2025.

Thu 8/514:15LHR - SFO
Nonstop11h 00mBritish Airways
Mon 19/519:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 29/4£412
Tue 6/515:05LGW - SFO
1 stop17h 01mBritish Airways
Wed 14/507:21SFO - LGW
1 stop16h 49mBritish Airways
Deal found 29/4£421
Thu 8/506:45LCY - SFO
1 stop17h 10mBritish Airways
Mon 19/517:45SFO - LCY
1 stop19h 05mBritish Airways
Deal found 29/4£438

Travel insights for British Airways flights from London to San Francisco

Get recent, data-driven insights about British Airways flights from London to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London to San Francisco with British Airways?

Use this chart to determine the optimal time to book a return flight from London to San Francisco. Price data was last updated on 25 April 2025.

Booking with British Airways 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to San Francisco with British Airways?

Currently, the most affordable month to book a British Airways flight from London to San Francisco in October, with an average price of £311. Conversely, traveling with British Airways from London to San Francisco in July will be the most expensive, with an average cost of £459. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly British Airways flight availability from London to San Francisco

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

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals 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

Plan your trip to San Francisco by taking into account the average temperature totals 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).

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to San Francisco on another airline

Consider alternative airlines that service the San Francisco area. Flight routes are based on user searches made on Cheapflights and were last updated on 30 April 2025.

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing British Airways for your next flight. Reviews last updated 30 April 2025.
British Airways
6.6
Okay
6,835 reviews
Overview

Boarding

6.8

Comfort

6.7

Crew

7.6

Entertainment

6.4

Food

6.3

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