$25 Cheap Spirit Airlines flights San Diego (SAN) to Las Vegas (LAS)

Finding cheap one-way Spirit Airlines flights from SAN to LAS from $25 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $49 for your next exciting vacation.**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.

January is one of the most affordable months to jet away to Las Vegas with Spirit Airlines. You could also find excellent prices on one-way and round-trip fares in June.

Begin your search one to three months before your departure to find cheaper fares on Spirit Airlines flights from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Hop on one of Spirit Airlines’s 25 weekly direct flights from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS). To see your choices, enter your travel dates, origin and destination and hit search. Then select the “Nonstop” and “Airline” filters.

Take off from San Diego Intl. Airport (SAN) for Harry Reid Intl. Airport (LAS) on a direct Spirit Airlines flight, and you’ll be in the skies for around 1h 22m.

Spirit Airlines operates the most flights from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS) on Saturday. With up to 4 daily departures, you’ll get the most choice and flexibility on this day.

The earliest Spirit Airlines flight from SAN to LAS takes off at 6:15AM UTC-8, arriving at 7:40AM UTC-8. If you want to head off later in the day, the last Spirit Airlines flight leaves SAN at 7:26PM UTC-8 and lands at LAS at 8:46PM UTC-8. Flying earlier is often a good option as morning flights tend to experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Take a Spirit Airlines flight from San Diego Intl. Airport (SAN) to Las Vegas, and you’re most likely to land at Harry Reid Intl. Airport (LAS). This is the airline’s main hub in this destination.

A rewarding loyalty program and the opportunity to collect points through Free Spirit are the start of the reasons to fly from SAN to LAS with Spirit Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* in addition to Spirit Airlines’s loyalty program earnings. It’s yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS) route, Spirit Airlines typically operates Airbus A320 and Airbus A320neo planes. Keep in mind that last-minute changes can occur for operational needs, meaning your flight may be on another aircraft.

Changes are usually free within 24 hours of making your booking, but your airline may charge you after that. For more information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your itinerary without additional costs, tick the “No cancel fee” or “Changes included” filter when planning your next break.