$34 Cheap Frontier Airlines flights Las Vegas (LAS) to San Diego (SAN)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap Frontier Airlines round-trip flights from $61 from LAS to SAN. Affordable one-way fares from $34 are also on offer.**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 cheapest months to get away to San Diego with Frontier Airlines. You could also find great deals on one-way and round-trip tickets in November.

Start searching one to three months ahead of your departure date to score cheaper fares on Frontier 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 versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic trips.*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.

Frontier Airlines has direct flights from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN), with 7 departures each week. Just apply the “Nonstop” and “Airline” filters during your search on Expedia to find all direct Frontier Airlines flights to SAN.

It takes approximately 1h 25m to travel nonstop from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN) with Frontier Airlines.

Departing LAS at 10:45AM UTC-8, the earliest Frontier Airlines flight to SAN lands at 12:05PM UTC-8. Traveling earlier in the day means you’ll be less likely to encounter cancellations or delays.* Prefer a later start? The last Frontier Airlines flight from LAS to SAN departs at 5:45PM UTC-8 and touches down at 7:11PM 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.

Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main gateway here.

A rewarding loyalty program and the opportunity to collect points through Frontier Miles are the start of the reasons to jet off from LAS to SAN with Frontier Airlines. Plus, by joining Expedia’s free One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Hop on a Frontier Airlines flight from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN), and you’ll probably board an Airbus A320neo. Bear in mind though, that the aircraft type can vary depending on operational reasons.

Typically, you can cancel or change your flight, although there may be additional fees if your booking was made over 24 hours ago. Need to keep your options open? Make use of Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you need to adjust your plans. To make changes, head to “Trips,” select your flight and click on “Manage Booking” for more information.