United Cheap Flights from Los Angeles to San Diego

View €135 flight on Wed, 18 Feb 2026Opens in a new window
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Prices were available within the past 7 days and start at €135 for one-way flights and €203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 10 Oct - Sun, 12 Oct
LAX
Los Angeles
SAN
San Diego
€203 Return, found 1 day ago
€203
Return
found 1 day ago
Select United flight, departing Fri, 10 Oct from Los Angeles to San Diego, returning Sun, 12 Oct, priced at €203 found 1 day ago
United
Sat, 11 Oct - Sun, 12 Oct
LAX
Los Angeles
SAN
San Diego
€208 Return, found 12 hours ago
€208
Return
found 12 hours ago
Select United flight, departing Sat, 11 Oct from Los Angeles to San Diego, returning Sun, 12 Oct, priced at €208 found 12 hours ago
United
Fri, 10 Oct - Sun, 12 Oct
LAX
Los Angeles
SAN
San Diego
€240 Return, found 1 day ago
€240
Return
found 1 day ago
Select United flight, departing Fri, 10 Oct from Los Angeles to San Diego, returning Sun, 12 Oct, priced at €240 found 1 day ago
United
Sat, 11 Oct - Sun, 12 Oct
LAX
Los Angeles
SAN
San Diego
€246 Return, found 12 hours ago
€246
Return
found 12 hours ago
Select United flight, departing Sat, 11 Oct from Los Angeles to San Diego, returning Sun, 12 Oct, priced at €246 found 12 hours ago
United
Thu, 9 Oct - Sun, 12 Oct
LAX
Los Angeles
SAN
San Diego
€263 Return, found 2 days ago
€263
Return
found 2 days ago
Select United flight, departing Thu, 9 Oct from Los Angeles to San Diego, returning Sun, 12 Oct, priced at €263 found 2 days ago
United
Sat, 27 Sept - Fri, 3 Oct
LAX
Los Angeles
SAN
San Diego
€281 Return, found 6 days ago
€281
Return
found 6 days ago
Select United flight, departing Sat, 27 Sept from Los Angeles to San Diego, returning Fri, 3 Oct, priced at €281 found 6 days ago
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Los Angeles to San Diego route information
Origin airport
Los Angeles Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Popular airline
Delta
Distance
174 km

Frequently asked questions

How much is a United Airlines flight from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN)?
Landing cheap one-way United Airlines flights from LAX to SAN from €135 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from €203 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAX to SAN with United Airlines?
United Airlines flights to San Diego are usually more affordable in the off-peak months of January and November. Whether you're in search of a round-trip or one-way ticket, you could find a better deal then.
Does United Airlines fly nonstop from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN)?
You can easily fly from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN) on one of United Airlines's 21 weekly direct flights. Apply our "Nonstop" and "Airline" filters to find the United Airlines flight that'll take you to SAN at a time that suits you.
How long does it take to fly from LAX to SAN with United Airlines?
On average, it takes 1h 3m to travel nonstop from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN) with United Airlines.
Which day of the week has the most United Airlines flights from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN)?
If you're looking for flexibility, Tuesday offers the most choice for United Airlines flights from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN). You can pick from 3 different departures.
What airports does United Airlines fly into in San Diego?
San Diego Intl. Airport (SAN) is the main San Diego gateway for United Airlines flights from Los Angeles Intl. Airport (LAX).
What type of plane does United Airlines fly from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN)?
You'll probably travel on an Embraer 175 for your United Airlines flight from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN). However, you could end up on another aircraft if there's an operational need.
Can I change or cancel my United Airlines flight from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN)?
You can usually cancel or reschedule your flight, although additional charges may apply if you booked over 24 hours ago. Need to keep your options open? Use our "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you need to revise your plans. To update your booking, go to "Trips," select your flight and click on "Manage Booking" for more information.
*Available to Expedia members.