$94 Cheap Frontier Airlines flights Nashville (BNA) to San Diego (SAN)

You’ll find affordable round-trip Frontier Airlines flights from $159 from BNA to SAN by sorting your results from “Price (lowest to highest)” on Expedia. Or search for options from $94 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.

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

To find cheap Frontier Airlines fares from Nashville Intl. Airport (BNA) to San Diego Intl. Airport (SAN), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the cost. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**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.

Enter your dates, click search and tick the “Nonstop” filter on Expedia to find any direct flights from BNA to SAN with Frontier Airlines or another carrier.

Find Frontier Airlines’s earliest flights from BNA to SAN by selecting the “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% 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.

San Diego Intl. Airport (SAN) is the main San Diego hub for Frontier Airlines flights from Nashville Intl. Airport (BNA).

With a rewarding loyalty program, Frontier Airlines is a favorite of many passengers journeying from BNA to SAN. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s generally possible to change or cancel your flight, although there may be a charge if you made your booking over 24 hours ago. Prefer to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you have to alter your plans. To update your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for more information.