Cheap flights from Los Angeles to San Diego from $100

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAN
14 Nov — 21 Nov1
1 adult
1 adult, Economy

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 15 October 2025.

Round-trip from

$171

One-way from

$100

Popular in

November

Cheapest in

January

Average price

$377
Frontier
  • Frontier
  • 11/11-18/11
  • 2 total stops
  • 34h 20m total
  • Los Angeles to San Diego
Alaska Airlines
  • Alaska Airlines
  • 13/11
  • 1 total stop
  • 3h 33m total
  • Los Angeles to San Diego
Highest demand for flights based on searches. 8% potential increase in price ($46 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average return price).
Average for round-trip flights in October 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 15 October 2025.

Wed 12/1119:48LAX - SAN
1 stop12h 36mFrontier
Wed 19/1108:00SAN - LAX
1 stop9h 44mFrontier
Deal found 15/10$144
Tue 11/1119:48LAX - SAN
1 stop24h 36mFrontier
Tue 18/1108:00SAN - LAX
1 stop9h 44mFrontier
Deal found 14/10$171
Wed 12/1106:10LAX - SAN
2 stops14h 14mMultiple Airlines
Wed 19/1108:00SAN - LAX
1 stop9h 44mMultiple Airlines
Deal found 15/10$194
Thu 4/1208:02LAX - SAN
1 stop8h 18mAlaska Airlines
Wed 10/1220:59SAN - LAX
1 stop14h 24mAlaska Airlines
Deal found 14/10$201
Tue 11/1120:10LAX - SAN
1 stop12h 30mAlaska Airlines
Tue 18/1117:00SAN - LAX
1 stop18h 38mAlaska Airlines
Deal found 14/10$218
Tue 4/1116:01LAX - SAN
1 stop19h 49mAlaska Airlines
Tue 11/1108:01SAN - LAX
1 stop4h 10mAlaska Airlines
Deal found 14/10$242
Thu 6/1114:26LAX - SAN
Nonstop0h 53mDelta
Sun 9/1109:59SAN - LAX
Nonstop1h 11mDelta
Deal found 15/10$276
Mon 3/1114:26LAX - SAN
Nonstop0h 53mDelta
Mon 10/1106:35SAN - LAX
Nonstop1h 15mDelta
Deal found 14/10$284
Wed 29/1008:20LAX - SAN
Nonstop1h 00mDelta
Sun 2/1105:20SAN - LAX
Nonstop1h 15mDelta
Deal found 14/10$292
Sun 14/1216:04LAX - SAN
1 stop15h 17mAlaska Airlines
Tue 16/1217:00SAN - LAX
1 stop18h 23mAlaska Airlines
Deal found 14/10$295

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 15 October 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

Wed 12/11

19:48-08:24

1 stop12h 36m

San Diego

Wed 19/11

08:00-17:44

1 stop9h 44m

$144

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Tue 4/11

16:01-11:50

1 stop19h 49m

San Diego

Tue 11/11

08:01-12:11

1 stop4h 10m

$242

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Wed 12/11

20:10-08:40

1 stop12h 30m

San Diego

Wed 19/11

10:25-14:23

1 stop3h 58m

$242

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Tue 3/3

08:00-16:23

1 stop8h 23m

San Diego

Wed 4/3

12:30-18:26

1 stop5h 56m

$252

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Fri 5/12

18:24-19:17

Nonstop0h 53m

San Diego

Fri 12/12

09:59-11:08

Nonstop1h 09m

$276

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Sat 7/2

09:17-10:27

Nonstop1h 10m

San Diego

Sat 14/2

11:05-12:17

Nonstop1h 12m

$276

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Sat 22/11

16:59-17:56

Nonstop0h 57m

San Diego

Sun 23/11

06:35-07:50

Nonstop1h 15m

$276

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Fri 7/11

09:17-10:21

Nonstop1h 04m

San Diego

Sun 9/11

06:15-07:18

Nonstop1h 03m

$276

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Wed 25/2

08:20-09:19

Nonstop0h 59m

San Diego

Wed 4/3

19:30-20:36

Nonstop1h 06m

$276

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Fri 7/11

22:10-23:06

Nonstop0h 56m

San Diego

Sun 9/11

19:59-21:13

Nonstop1h 14m

$276

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 22 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 10 October 2025.

The best time to book flights from Los Angeles to San Diego is 56 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 $97). Flying from Los Angeles to San Diego in October is currently the most expensive (average of $276). 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 15 October 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 Frontier, Alaska Airlines, and Delta fly from Los Angeles to San Diego in about 57m. The time it takes to get you to your destination can typically vary by up to 18h 52m. There are 175 km between Los Angeles and San Diego. Both multi-stop and direct flights can be found to your destination and back.

  • 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 ITA Airways (100%), Aeromexico (98%) and Copa Airlines (94%).

  • 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 $97). Flying from Los Angeles to San Diego in October is currently the most expensive (average of $276). 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 notify me if prices for flights from Los Angeles to San Diego become cheaper?

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