£36 Find Cheap Flights from Los Angeles to San Diego – Compare and Save

Among airlines operating Los Angeles to San Diego flights:

• United Airlines: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Los Angeles and San Diego. The airlines offering direct flights on this route include:

• Delta
• United Airlines

Flights from Los Angeles to San Diego usually depart from Los Angeles (LAX) and arrive at San Diego (SAN).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy class
• Delta: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £122 return via Phoenix Sky Harbor Intl (PHX), compared with £192 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £26–£67 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

One-stop flights from Los Angeles to San Diego most commonly connect through:

• Las Vegas Harry Reid Intl (LAS) – 67% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) – 22% of one-stop connections
• San Francisco (SFO) – 11% of one-stop connections

Las Vegas Harry Reid Intl (LAS) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 49% on the Los Angeles to San Diego route. Wednesday is the cheapest departure day at £177 return on average, while Monday is the most expensive at £346, a difference of £169. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Los Angeles to San Diego route, 11% of flights were delayed in the past 3 months, with delays averaging 1 hour 44 minutes.

Morning is the busiest departure period on Los Angeles to San Diego flights, with 29% leaving in that window. Afternoon departures account for 29%, Evening flights for 28%, and Night flights for 14%.

Some of the most popular sights in San Diego are San Diego Convention Center, SDSU Downtown Gallery, and La Jolla Cove. These are among the most viewed places in San Diego on KAYAK.

These are the earliest and latest flight times available from Los Angeles to San Diego:

• Earliest: departs at 09:10 and lands at 10:09
• Latest: departs at 22:50 and lands at 23:49.

The flight takes about 0h 59m.

Last-minute fares on this route (booked within 2 weeks of departure) run 55% above the route average of £191. Book 6 weeks before departure for the lowest fares.

A direct flight from Los Angeles to San Diego takes 0h 59m, covering 109 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £176 to £708. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Los Angeles to San Diego are currently lower than usual. Average one-way flight prices are about £82, which is 54% below the typical average for this route.

United Airlines is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Los Angeles to San Diego flights are:

• United Airlines: 91% on time
• Delta: 88% on time
• Alaska Airlines: 48% on time

On average, flights on this route are punctual 89% of the time.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time of 8h 01m, compared to 9h 40m via San Francisco (SFO) and 16h 50m via Phoenix Sky Harbor Intl (PHX).

San Diego Airport (SAN) hosts 5 major car hire companies, with daily rates starting from around £10 for economy cars. Top options include:
• Dollar
• Payless
• Europcar
• Thrifty
• Fox

Return flights from Los Angeles to San Diego range from £155 to £261, with an average of £191 over the past 12 months. Anything below £155 counts as a good deal.

Delta is the only airline on the Los Angeles to San Diego route offering in-flight Wi-Fi. Pricing depends on fare class.