Cheap flights from Los Angeles to San Diego from $109

The month of July is, on average, the cheapest month to fly to San Diego from Los Angeles, with most prices found around $253. If you’re not able to fly to San Diego in July, then April is your next best option. Flight prices from Los Angeles to San Diego during April average around $260.

Fly from Los Angeles to San Diego for the best Los Angeles - San Diego flight prices

You are more likely to see cheaper flights to San Diego from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $333 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Los Angeles for as low as $253 on momondo.

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

You could potentially save up to 77% on your flight if you consider stops on a Los Angeles to San Diego flight.

As of February 2026, prices for Los Angeles to San Diego flights are approximately 63% cheaper when compared to flights at the same time last year.

Historically, on average around 11% of flights between Los Angeles and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 103 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

As of February 2026, 16 flights take off from Los Angeles and land in San Diego each day. The most common flight departure time for this route is 18:00, with 56% of daily flights taking off in the evening.

As of February 2026, there are 113 flights per week flying from Los Angeles to San Diego. The most common day of the week flights depart is Tue, with 36% of flights taking off on this day.