$605 Find Cheap Flights from London Heathrow Airport to San Diego - Compare and Save

Your flight ticket price will generally be cheaper if you fly to San Diego on a Tuesday and more expensive on a Sunday. On your return trip to London Heathrow Airport, you should consider flying back on a Wednesday, and avoid Saturdays for better deals.

The cheapest month for flights from London Heathrow Airport to San Diego is February, where tickets cost $676 (return) on average. On the other hand, the most expensive months are July and April, where the average cost of round-trip tickets is $1,110 and $1,045 respectively.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $1,184 on average.

To get a below average price on the flight from London Heathrow Airport to San Diego, you should book around 2 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from London Heathrow Airport to San Diego were found on Lufthansa ($842) and Air Canada ($843).

There are 2 airlines that fly nonstop from London Heathrow Airport to San Diego. They are American Airlines and British Airways. The cheapest airline for this route is British Airways, with the best round-trip deal found costing $640. On average, the best prices for this route can be found at British Airways.

Weekly flights between London and San Diego historically see delays in approximately 16% of cases, with the average delay over the past year being 146 minutes.

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Thursday has typically experienced more delays than other days.

Based on our data, British Airways have experienced the fewest delays on this route in the past 12 months, with only about 16% of their flights encountering any delays.

Boston (BOS) is the top choice – 29% of KAYAK users who clicked on 1-stop flights from London Heathrow Airport to San Diego picked an itinerary connecting there.

Flights via Toronto (YYZ) offer the most affordable fares, with an average round-trip price of $668.

Consider flying via Denver (DEN) for the shortest journey. The average one-way travel time for flights connecting there is 13h 58m.

If you prefer a quick connection, Denver (DEN) often has the shortest layovers from London Heathrow Airport to San Diego, with an average of 1h 22m.

There are 3 cabin class options for the route. These are 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 2 nonstop flights that take off from London Heathrow Airport and land in San Diego, with an average flight time of 11h 20m. The most common departure time is 11:00 am and most flights take off in the afternoon. Each week, there are 14 flights and there are the same amount of flights each day (2).