Cheap Flights from Las Vegas (LAS) to San Diego (SDM)

Popular airlines from Harry Reid Intl. Airport (LAS) to San Diego, CA (SDM-Brown Field Municipal)

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Find available prices by choosing your travel dates.
Flights from Las Vegas (LAS) to San Diego (SDM)
Origin airport
Harry Reid Intl.
Destination airport
Brown Field Municipal
Distance
264 mi

Las Vegas to San Diego Flights

The cheapest times to fly from Las Vegas 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 Vegas to San Diego are during the month of . You can find some of the cheapest flights from Las Vegas to San Diego with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Las Vegas 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 Vegas 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 Vegas to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Vegas 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 Vegas 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

Is it cheaper to buy a plane ticket from McCarran Airport to SDM last minute?
When it’s time to book your flights, it pays to be prepared. While it may be possible to pick up a last-minute deal on a LAS to SDM flight, prices usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international travel it’s three to four months.
What airports do you fly into for San Diego County from Las Vegas?
San Diego, CA (SDM-Brown Field Municipal), San Diego Intl. Airport (SAN) and McClellan-Palomar Airport (CLD) are your choices when heading off from Las Vegas to San Diego County. Roughly 14 mi southeast of downtown San Diego County, San Diego, CA (SDM-Brown Field Municipal) is the city’s major hub. Think about factors like flight arrival and departure times and the distance to your hotel before deciding where you fly into. San Diego Zoo and Balboa Park are a couple of excellent attractions to check out when you arrive.
Can I change the date of my flight from McCarran Airport to SDM?
Plans can get upended, so Expedia is here to help make amending your trip as easy as possible. First, find your Harry Reid Airport (formerly McCarran Airport) to SDM itinerary through the Expedia Trips portal and check the fare rules and restrictions about what changes can be made. If you booked your ticket in the last 24 hours, some airlines will let you cancel at no cost and organize new flights. If you booked your fare more than 24 hours ago, connect with us through our Customer Service portal to see how we can assist.

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