Cheap flights from England to San Francisco from £240

The month of February is, on average, the cheapest month to fly to San Francisco from England, with most prices found around £417. If you are unable to visit San Francisco during the month of February, then departing from England during the month September is also very affordable. Most momondo users find prices during this month for around £425.

The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £556. This is often the case because there is less demand to fly during this day of the week. Flights from England to San Francisco on a Sunday will generally be more expensive and average around £644. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to San Francisco is in the morning. Flights from England to San Francisco during this time can be as low as £554. Try not to purchase tickets at midday because they tend to be around £780. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Heathrow to San Francisco for the best England - San Francisco flight prices

You are more likely to see cheaper flights to San Francisco from England when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £503 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from England for as low as £472 on momondo.

There are 4 cabin classes available to choose from on England to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, British Airways, and Lufthansa are the most popular carriers operating from England to San Francisco

British Airways, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to San Francisco from England according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 18 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

The number of flights available between England and San Francisco is 31 per day as of February 2026. The most frequent departure time is 11:00, with 58% of daily flights leaving at midday.

The number of flights available between England and San Francisco is 217 per week as of February 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.