$39 Cheap Southwest Airlines flights San Diego (SAN) to Las Vegas (LAS)

You’ll discover affordable return Southwest Airlines flights from $77 from SAN to LAS by organizing your results from “Price (lowest to highest)” on Expedia. Or look for deals from $39 for a one-way trip.**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 least expensive months to travel to Las Vegas with Southwest Airlines. You could also find fantastic deals on return and one-way tickets in June.

Search for affordable Southwest Airlines flights from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS) one to three months before your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Easily travel from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS) on any of Southwest Airlines’s 67 direct weekly flights. Make use of our “Nonstop” and “Airline” filters to find the Southwest Airlines flight that’ll take you to LAS at a time that suits you.

Depart San Diego Intl. Airport (SAN) for Harry Reid Intl. Airport (LAS) on a nonstop Southwest Airlines flight, and you’ll be airborne for approximately 1h 22m.

If flexibility is what you’re after, Saturday offers the most choice for Southwest Airlines flights from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS). Take your pick of 11 different departures.

The first Southwest Airlines flight from SAN to LAS departs at 6:50AM UTC-8, landing at 8:10AM UTC-8. If you prefer to jet off later, the last Southwest Airlines flight leaves SAN at 9:00PM UTC-8 and lands at LAS at 10:20PM UTC-8. Flying before noon is often a good idea as morning and mid-morning flights are less likely to be canceled.**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.

Harry Reid Intl. Airport (LAS) is the main Las Vegas hub for Southwest Airlines flights from San Diego Intl. Airport (SAN).

For the San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS) route, Southwest Airlines typically operates Boeing 737-700 and Boeing 737-800 planes. Remember that last-minute changes can occur for operational demands, meaning your flight may be on another aircraft.

Depending on the ticket type you purchased, a fee generally applies if you change or cancel your booking more than 24 hours after it’s confirmed. To secure tickets with more flexibility, select our “Changes included” or “No cancel fee” filter when you search for flights. To learn more about canceling or changing your reservation, go to “Trips,” select your flight and tick “Manage Booking.”