SFO to LON, San Francisco International Airport to Cheap Flights

Based on HopeGoo data, Delta Air Lines offers one-way fares as low as US$218 on Cheapest nonstop routes (e.g. SFO to LGW on Tue, Feb 24), while Scandinavian Airlines offers Cheapest nonstop round-trips from US$446 departing on Sun, Mar 1 and returning on Tue, Mar 3.

At the moment, you can catch a nonstop flight from San Francisco to London with the following airlines, including: British Airways Virgin Atlantic WestJet Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

It takes about 10 hours 27 minutes to fly from San Francisco to London.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from San Francisco to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on HopeGoo data in the past 4 weeks, there is 26 flight per week flying from San Francisco to London. You can check the weekly schedule for popular airlines on this route below: Virgin Atlantic: S/M/T/W/T/F/S -- VS020 (16:39)

To find best deals on flights from San Francisco to London, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Feb 24, with one-way flights priced at just US$218. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Virgin Atlantic. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for London travel is around December. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from San Francisco to London is August, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from San Francisco to London on February 25, 2026 with Jetblue Airways, with prices starting at US$214.

You can land at any one of the following hubs in London, with San Francisco International Airport to Heathrow Airport (SFO-LHR) is by far the most common option on this route: London City Airport (LCY) London Gatwick Airport (LGW) Heathrow Airport (LHR) London Luton Airport (LTN) London Southend Airport (SEN) London Stansted Airport (STN).

The time difference between London and San Francisco is 8h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.