Cheap flights from London to California from C$ 643

The cheapest month to fly to California from London is in February. Flight prices, which tend to average around C$ 831, are often lower during this time because this is during the off-season. If you’re not able to fly to California in February, then September is your next best option. Flight prices from London to California during September average around C$ 907.

Our data shows that the cheapest London to California flights are usually those with departure times in the afternoon. Our users have found flights to California in the afternoon for as low as C$ 1,004. Flights to California are more costly at noon, with an average ticket price of C$ 1,105. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Heathrow to Los Angeles for the best London - California flight prices

You are more likely to see cheaper flights to California from London when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around C$ 952 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from London for as low as C$ 872 on momondo.

There are 2 cabin classes available to choose from on London to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between London to California.

As of September 2026, there are 91 flights per day flying from London to California. The most common time of day flights depart is 10:00a.m., with 59% of flights taking off in the afternoon.

As of September 2026, there are 639 flights per week flying from London to California. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.