How to get the best price from London Heathrow to San Francisco?

Depending on when you travel and how far in advance you book, fares between London and San Francisco can differ a lot.

£481 is the lowest fare found in the past 15 days.

Search engines like Jetcost can highlight price changes in just seconds. For example, some users find better prices by flying on one day of the week over another — try several searches to spot the cheapest day.

Flying between London and San Francisco? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in London: London has 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in San Francisco: The only active option is San Francisco.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all London airports in a single search.

Smart ways to search flights from London Heathrow to San Francisco

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include carriers like Easyjet, Ryanair, British Airways, and more.

Other popular destinations

Flying to United States? Other travelers also searched: Atlanta, Los Angeles, Miami, New York City, Orlando.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.