$563 Cheap Flights from Las Cruces (LRU) to San Diego (SAN)

View $563 flight on Mon, Aug 18, 2025Opens in a new window

Popular airlines from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN)

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Cheap Flights from Las Cruces to San Diego (LRU-SAN)

Prices were available within the past 7 days and start at $563 for one-way flights and $800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Advanced Air
Fri, Sep 26 - Sun, Sep 28
LRU
Las Cruces
SAN
San Diego
$800 Roundtrip, found 6 days ago
$800
Roundtrip
found 6 days ago
Select Advanced Air flight, departing Fri, Sep 26 from Las Cruces to San Diego, returning Sun, Sep 28, priced at $800 found 6 days ago
Advanced Air
Fri, Sep 26 - Sun, Sep 28
LRU
Las Cruces
SAN
San Diego
$810 Roundtrip, found 6 days ago
$810
Roundtrip
found 6 days ago
Select Advanced Air flight, departing Fri, Sep 26 from Las Cruces to San Diego, returning Sun, Sep 28, priced at $810 found 6 days ago
Advanced Air
Sun, Aug 17 - Thu, Aug 21
LRU
Las Cruces
SAN
San Diego
$1,234 Roundtrip, found 3 days ago
$1,234
Roundtrip
found 3 days ago
Select Advanced Air flight, departing Sun, Aug 17 from Las Cruces to San Diego, returning Thu, Aug 21, priced at $1,234 found 3 days ago
Advanced Air
Sun, Aug 17 - Thu, Aug 21
LRU
Las Cruces
SAN
San Diego
$1,240 Roundtrip, found 3 days ago
$1,240
Roundtrip
found 3 days ago
Select Advanced Air flight, departing Sun, Aug 17 from Las Cruces to San Diego, returning Thu, Aug 21, priced at $1,240 found 3 days ago
Advanced Air
Sun, Aug 17 - Thu, Aug 21
LRU
Las Cruces
SAN
San Diego
$1,269 Roundtrip, found 3 days ago
$1,269
Roundtrip
found 3 days ago
Select Advanced Air flight, departing Sun, Aug 17 from Las Cruces to San Diego, returning Thu, Aug 21, priced at $1,269 found 3 days ago
Advanced Air
Sun, Aug 17 - Thu, Aug 21
LRU
Las Cruces
SAN
San Diego
$1,275 Roundtrip, found 3 days ago
$1,275
Roundtrip
found 3 days ago
Select Advanced Air flight, departing Sun, Aug 17 from Las Cruces to San Diego, returning Thu, Aug 21, priced at $1,275 found 3 days ago
Flights from Las Cruces (LRU) to San Diego (SAN)
Origin airport
Las Cruces Intl.
Destination airport
San Diego Intl.
Roundtrip price
$799
Distance
599 mi

Las Cruces to San Diego Flights

The cheapest times to fly from Las Cruces to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Cruces to San Diego are during the month of September. You can find some of the cheapest flights from Las Cruces to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Cruces to San Diego

Sunday is one of the best days to book for cheap flights from Las Cruces to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Las Cruces to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Cruces to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $563 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Cruces to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Cruces to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN) cost?
Secure a cheap one-way flight from $563 or cheap return flight from $800 from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN)?
Traveling in September is a great way to save, as it's the cheapest month for flights between LRU and SAN. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN)?
You can't catch a direct flight to San Diego Intl. Airport (SAN) from Las Cruces, NM (LRU-Las Cruces Intl.). However, you can easily travel to San Diego without any layovers by leaving from El Paso Intl. Airport (ELP).
What is the cheapest airline that flies from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN)?
To find the cheapest airline flying from LRU to SAN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN)?
You'll have to take a flight with a layover if you're traveling from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from LRU to SAN?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN)?
To land at San Diego Intl. Airport (SAN) on time, pick a flight that takes off from Las Cruces, NM (LRU-Las Cruces Intl.) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN) last-minute?
Last-minute fares from LRU to SAN are typically more expensive. For the best prices, start searching for flights early. That being said, if you're flexible with your travel plans, you may land a cheap ticket right before your journey.
Is it cheaper to book a LRU to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking a LRU to SAN flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Las Cruces, NM (LRU-Las Cruces Intl.) to San Diego Intl. Airport (SAN)?
Typically, you can reschedule or cancel your LRU to SAN flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.