Cheap flights from Los Angeles to San Diego from $148

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAN
31 Dec — 7 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Los Angeles to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 December 2025.

Round-trip from

$177

One-way from

$148

Popular in

November

Cheapest in

January

Average price

$339
Frontier
  • Frontier
  • 13/1-20/1
  • 2 total stops
  • 54h 26m total
  • Los Angeles to San Diego
Alaska Airlines
  • Alaska Airlines
  • 25/2
  • 2 total stops
  • 10h 44m total
  • Los Angeles to San Diego
Highest demand for flights based on searches. 12% potential increase in price ($67 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average return price).
Average for round-trip flights in December 2025

Find flight deals from Los Angeles to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Los Angeles to San Diego
Explore the most affordable flight options available from Los Angeles to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 December 2025.

Sun 7/1222:24LAX - SAN
1 stop14h 14mFrontier
Sun 14/1215:18SAN - LAX
2 stops25h 53mFrontier
Deal found 30/11$238
Sat 20/1221:46LAX - SAN
Nonstop0h 55mDelta
Sun 21/1206:20SAN - LAX
Nonstop1h 10mDelta
Deal found 29/11$273
Fri 26/1222:35LAX - SAN
Nonstop1h 02mUnited Airlines
Mon 29/1211:12SAN - LAX
Nonstop1h 11mUnited Airlines
Deal found 30/11$291
Sat 27/1209:21LAX - SAN
Nonstop1h 09mUnited Airlines
Mon 29/1211:12SAN - LAX
Nonstop1h 11mUnited Airlines
Deal found 30/11$294
Thu 18/1218:24LAX - SAN
Nonstop0h 53mDelta
Thu 25/1216:15SAN - LAX
Nonstop1h 04mDelta
Deal found 30/11$296
Fri 26/1209:21LAX - SAN
Nonstop1h 09mUnited Airlines
Sun 28/1211:12SAN - LAX
Nonstop1h 11mUnited Airlines
Deal found 30/11$311
Fri 12/1214:30LAX - SAN
Nonstop0h 53mDelta
Sun 14/1209:59SAN - LAX
Nonstop1h 09mDelta
Deal found 29/11$319
Sun 21/1220:45LAX - SAN
Nonstop0h 53mDelta
Sat 10/107:00SAN - LAX
1 stop15h 36mDelta
Deal found 30/11$339
Sun 7/1218:24LAX - SAN
Nonstop0h 53mDelta
Sun 14/1219:59SAN - LAX
Nonstop1h 09mDelta
Deal found 30/11$342
Sun 21/1220:45LAX - SAN
Nonstop0h 53mDelta
Thu 8/111:00SAN - LAX
1 stop11h 21mDelta
Deal found 30/11$354

Cheapflights Fare Finder

 
Customise your flight search to find flights from Los Angeles to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 December 2025.
Use the filters below to find and compare flights from Los Angeles to San Diego that are best for you.

Fly from

Los Angeles

Fly to

San Diego

Route

Depart

Return

Price

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Tue 13/1

14:49-15:40

Nonstop0h 51m

San Diego

Tue 20/1

14:55-16:04

Nonstop1h 09m

$273

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Sun 11/1

09:17-10:27

Nonstop1h 10m

San Diego

Sun 18/1

11:08-12:18

Nonstop1h 10m

$273

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 1/1

20:45-21:38

Nonstop0h 53m

San Diego

Mon 5/1

16:20-17:31

Nonstop1h 11m

$273

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 15/1

21:55-22:47

Nonstop0h 52m

San Diego

Thu 22/1

19:50-21:05

Nonstop1h 15m

$273

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Fri 1/5

17:59-18:54

Nonstop0h 55m

San Diego

Sun 10/5

06:15-07:27

Nonstop1h 12m

$273

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Sat 20/12

21:46-22:41

Nonstop0h 55m

San Diego

Sun 21/12

06:20-07:30

Nonstop1h 10m

$273

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Sun 21/12

20:45-21:38

Nonstop0h 53m

San Diego

Sun 11/1

16:20-17:31

Nonstop1h 11m

$273

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 5/2

12:55-13:48

Nonstop0h 53m

San Diego

Sat 7/2

10:45-12:01

Nonstop1h 16m

$273

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Fri 23/1

09:00-09:57

Nonstop0h 57m

San Diego

Wed 28/1

19:50-21:05

Nonstop1h 15m

$273

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Wed 25/2

06:00-16:44

2 stops10h 44m

$148

Flights are sorted by cheapest return flights first.

Deals found on 30/11

Showing 1-10 of 20 results
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Best time to book a flight from Los Angeles to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Los Angeles with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to San Diego

How far ahead should I book a flight from Los Angeles to San Diego?

Use this chart to determine the optimal time to book a return flight from Los Angeles to San Diego. Price data was last updated on 28 November 2025.

The best time to book flights from Los Angeles to San Diego is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Los Angeles to San Diego?

Currently, January is the cheapest month in which you can book a flight from Los Angeles to San Diego (average of $96). Flying from Los Angeles to San Diego in October is currently the most expensive (average of $273). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAX to SAN?

Find hourly flight availability from Los Angeles to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 December 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Los Angeles to San Diego as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Los Angeles to San Diego flight route?

  • How long is the flight from Los Angeles to San Diego?

    Airlines like Delta fly from Los Angeles to San Diego in about 51m. The time it takes to get you to your destination is usually consistent. There are 175 km between Los Angeles and San Diego. Generally, flights for this route are direct.

  • What are the most reliable airlines from Los Angeles to San Diego?

    The top 3 most reliable airlines when flying from Los Angeles to San Diego are Avianca (87%), Copa Airlines (87%) and United Airlines (85%).

  • Can I find deals for flights from Los Angeles to San Diego that include hotel bookings?

    Yes. In addition to deals on Los Angeles to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to San Diego.

  • Can I find deals for business class flights from Los Angeles to San Diego?

    Yes. Cheapflights offers flight deals from Los Angeles to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Los Angeles to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Los Angeles to San Diego (average of $96). Flying from Los Angeles to San Diego in October is currently the most expensive (average of $273). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
San Ysidro

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Can Cheapflights find flights from Los Angeles to San Diego with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Los Angeles to San Diego, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Los Angeles to San Diego become cheaper?

Yes! Start tracking prices for Los Angeles to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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