$105 Cheap Frontier Airlines flights Charlotte (CLT) to San Diego (SAN)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap Frontier Airlines round-trip flights from $185 from CLT to SAN. Affordable one-way fares from $105 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.

Frontier Airlines flights to San Diego are often more affordable in the quieter months of January and November. Whether you need a one-way or a return ticket, you could land a better deal then.

Start searching one to three months ahead of your travel date to find cheaper fares on Frontier Airlines flights from Charlotte-Douglas Intl. Airport (CLT) 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 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.

To figure out if there’s a direct journey from CLT to SAN with Frontier Airlines or other airlines, check the “Nonstop” box when searching for tickets.

To find the earliest departures from CLT to SAN with Frontier Airlines, filter your search by “Morning” and “Early Morning.” Choosing an early flight generally means cancellations are less likely.**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.

San Diego Intl. Airport (SAN) is the primary San Diego gateway for Frontier Airlines flights from Charlotte-Douglas Intl. Airport (CLT).

Journey from CLT to SAN with Frontier Airlines and enjoy a range of benefits starting with a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of booking, but your airline may add a charge after that time. For further details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to update your itinerary without additional charges, check the “No cancel fee” or “Changes included” filter when organizing your next trip.