$49 Cheap Southwest Airlines flights Las Vegas (LAS) to San Diego (SAN)

Make use of the “Price (lowest to highest)” filter on Expedia to find cheap Southwest Airlines return flights from $93 from LAS to SAN. Affordable one-way tickets from $49 are available too.**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.

Southwest Airlines flights to San Diego tend to be more affordable in the quieter months of January and November. Whether you’re after a one-way or round-trip ticket, you could find a better deal then.

Start searching one to three months ahead of your travel date to get cheaper fares on Southwest Airlines flights from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN). 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.* Get the timing right, and you can enjoy significant savings on domestic journeys.*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.

Depart on one of Southwest Airlines’s 70 direct weekly flights from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN). To see your options, enter your destination, origin and dates and hit search. Then apply the “Nonstop” and “Airline” filters.

Leave Harry Reid Intl. Airport (LAS) for San Diego Intl. Airport (SAN) on a direct Southwest Airlines flight, and you’ll be airborne for around 1h 14m.

Saturday has the most Southwest Airlines flights from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN). With 12 daily departures, this is the best day of the week to book something that will suit your schedule.

Departing LAS at 6:30AM UTC-8, the first Southwest Airlines flight to SAN lands at 7:40AM UTC-8. Flying early means you’re less likely to encounter cancellations or delays.* Don’t like early starts? The last Southwest Airlines flight from LAS to SAN departs at 9:10PM UTC-8 and touches down at 10:20PM UTC-8.*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.

Southwest Airlines flights from Harry Reid Intl. Airport (LAS) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main entry point to this destination.

You’ll likely be seated on a Boeing 737-700 or a Boeing 737 MAX 8 when flying Southwest Airlines from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN). However, keep in mind that a different aircraft could be assigned to your route depending on operational factors.

Changes are usually free within 24 hours of making your booking, but your airline may charge a fee after that time. For more details about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to make changes without additional costs, tick the “Changes included” and “No cancel fee” filters when organizing your next adventure.