£444 Cheap British Airways flights from London to San Francisco (LHR→SFO)

Landing cheap one-way British Airways flights from LHR to SFO from £444 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares £547 for your next getaway.*

*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

British Airways flights to San Francisco are usually more affordable in the low-season months of February and April. Whether you're after a return or one-way ticket, you could score a better deal then.

Easily travel from Heathrow Airport (LHR) to San Francisco Intl. Airport (SFO) on one of British Airways's 11 weekly direct flights. Apply our "Nonstop" and "Airline" filters to find the British Airways flight that'll take you to SFO at a time that suits you.

It takes approximately 11h 17m to travel nonstop from Heathrow Airport (LHR) to San Francisco Intl. Airport (SFO) with British Airways.

Wednesday has the most British Airways flights from Heathrow Airport (LHR) to San Francisco Intl. Airport (SFO). With 2 daily departures, this is the best day of the week to book something that will fit your plans.

Hop on a British Airways flight from Heathrow Airport (LHR) to San Francisco, and you'll probably touch down at San Francisco Intl. Airport (SFO). This is the airline's main hub in this destination.

On a standard economy flight with British Airways from LHR to SFO, passengers can bring 1 checked-in bag up to 23 kg (50 lbs) with dimensions not exceeding 89 centimetres x 41 centimetres x 74 centimetres in total. For carry-on, you're allowed 1 cabin bag weighing up to 23 kg (50 lbs) and measuring no more than 56 centimetres x 23 centimetres x 43 centimetres. Size and weight limits can differ based on your cabin class and fare type. To make sure you're not hit with extra fees at the airport, double-check your British Airways booking or go to the airline's website before packing your bags.

For the Heathrow Airport (LHR) to San Francisco Intl. Airport (SFO) route, British Airways typically operates Airbus A380-800 and Boeing 777-300ER planes. Remember that last-minute changes can occur for operational reasons, meaning your flight could be on a different aircraft.

Depending on the ticket type you purchased, a fee is typically charged if you modify or cancel your flight more than 24 hours after it's confirmed. To find flexible fares, select our "No cancel fee" or "Changes included" filter when you search for flights. To learn more about cancelling or changing your reservation, head to "Trips," select your flight and tick "Manage Booking."