£205 Find Cheap Flights from San Diego to London Heathrow Airport – Compare and Save

If you are looking for a flight deal from San Diego to London Heathrow Airport, look for departures on Sundays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from London Heathrow Airport, Tuesday is the cheapest day to fly and Sunday is the most expensive.

The cheapest month for flights from San Diego to London Heathrow Airport is February, where tickets cost £585 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £1,105 and £1,079 respectively.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £767 on average.

To get a below average price on the flight from San Diego to London Heathrow Airport, you should book around 2 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

In the past 5 days, the cheapest return tickets from San Diego to London Heathrow Airport were found on Lufthansa (£713) and Delta (£713).

There is just one airline that flies from San Diego to London Heathrow Airport direct and that is British Airways. The best return deal found from British Airways for the route is £504.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 1 and 2 direct flights that take off from San Diego and land in London Heathrow Airport, with an average flight time of 10h 42m. The most common departure time is 16:00 and most flights take off in the afternoon. Each week, there are 13 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Tuesday.