Cheap flights from Los Angeles to San Diego from £42
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 7/9. 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 22 August 2025.
Round-trip from | £89 |
---|---|
One-way from | £42 |
Popular in | February |
Cheapest in | January |
Average price | £170 |
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 22 August 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 22 August 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
Wed 8/10
19:40-23:17
1 stop3h 37m
San Diego
Tue 14/10
13:34-18:39
1 stop5h 05m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Wed 8/10
15:48-23:17
1 stop7h 29m
San Diego
Tue 14/10
19:47-18:00
2 stops22h 13m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 17/10
18:11-19:08
Nonstop0h 57m
San Diego
Mon 20/10
19:48-21:03
Nonstop1h 15m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Wed 24/9
09:02-10:13
Nonstop1h 11m
San Diego
Sun 28/9
11:08-12:20
Nonstop1h 12m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Wed 17/9
08:20-09:19
Nonstop0h 59m
San Diego
Wed 24/9
16:05-17:00
Nonstop0h 55m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 3/10
18:50-19:52
Nonstop1h 02m
San Diego
Mon 6/10
11:08-12:20
Nonstop1h 12m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Sat 20/9
22:04-22:59
Nonstop0h 55m
San Diego
Mon 22/9
19:46-20:56
Nonstop1h 10m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Sat 18/10
18:48-19:46
Nonstop0h 58m
San Diego
Mon 20/10
11:08-12:20
Nonstop1h 12m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Mon 22/9
22:04-22:59
Nonstop0h 55m
San Diego
Wed 29/10
15:59-17:00
Nonstop1h 01m
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 10/10
22:39-23:41
Nonstop1h 02m
San Diego
Mon 13/10
11:08-12:20
Nonstop1h 12m
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 price you pay for your flight from Los Angeles to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 £585). Flying from Los Angeles to San Diego in July is currently the most expensive (average of £920). 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?
When flying from Los Angeles to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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
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Fly with Cheapflights
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How does Cheapflights help users find flights from Los Angeles to San Diego?
Deals for Los Angeles to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Los Angeles to San Diego?
Millions of users choose and trust Cheapflights to book the best flight deals from Los Angeles to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Los Angeles to San Diego with no change fees?
Need flexible booking options for your flight to San Diego from Los Angeles? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Los Angeles to San Diego become cheaper?
Yes, Cheapflights offers price alerts on Los Angeles to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.