Cheap flights from Los Angeles to San Diego from $109
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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
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 12 September 2025.
Find flight deals from Los Angeles to San Diego
Cheapest flights from Los Angeles to San DiegoExplore 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 12 September 2025.
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 12 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Los Angeles to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Tue 3/3
16:50-20:50
1 stop4h 00m
San Diego
Wed 4/3
08:20-13:40
1 stop5h 20m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Sun 26/10
08:20-09:20
Nonstop1h 00m
San Diego
Sun 2/11
10:00-11:14
Nonstop1h 14m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 10/10
09:17-10:27
Nonstop1h 10m
San Diego
Mon 20/10
11:08-12:20
Nonstop1h 12m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Thu 9/10
18:11-19:08
Nonstop0h 57m
San Diego
Tue 21/10
19:48-21:03
Nonstop1h 15m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 24/10
09:17-10:27
Nonstop1h 10m
San Diego
Sat 1/11
11:02-12:11
Nonstop1h 09m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 31/10
22:10-23:06
Nonstop0h 56m
San Diego
Sun 2/11
10:00-11:14
Nonstop1h 14m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Thu 23/10
22:10-23:06
Nonstop0h 56m
San Diego
Mon 27/10
19:48-21:03
Nonstop1h 15m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 10/10
22:10-23:06
Nonstop0h 56m
San Diego
Sat 11/10
06:20-07:35
Nonstop1h 15m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 3/10
08:20-09:19
Nonstop0h 59m
San Diego
Sun 5/10
06:20-07:34
Nonstop1h 14m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Thu 23/10
08:20-09:20
Nonstop1h 00m
San Diego
Sun 26/10
10:00-11:14
Nonstop1h 14m
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.
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?
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, March is the cheapest month in which you can book a flight from Los Angeles to San Diego (average of $924). Flying from Los Angeles to San Diego in December is currently the most expensive (average of $1,529). 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?
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.
Travelling to a place near San Diego?
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Alternative routes for Los Angeles to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Los Angeles to San Diego?
Cheapflights makes it easy to find Los Angeles to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Los Angeles to San Diego?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Los Angeles to San Diego.
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.