$94 Cheap Frontier Airlines flights Indianapolis (IND) to San Diego (SAN)

Finding cheap one-way Frontier Airlines flights from IND to SAN from $94 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $151 for your next exciting adventure.**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.

Search for round-trip or one-way flights to San Diego in January or November. You could find lower fares with Frontier Airlines during these quieter months.

Begin your search one to three months ahead of your departure date to get cheap fares on Frontier Airlines flights from Indianapolis Intl. Airport (IND) 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 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.

Use the “Nonstop” filter when browsing for direct Frontier Airlines flights from IND to SAN. It’s also a good way to compare other carriers servicing the same nonstop journey.

Search Frontier Airlines’s earliest flights from IND to SAN by checking our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% 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.

Take a Frontier Airlines flight from Indianapolis Intl. Airport (IND) to San Diego, and you’ll probably touch down at San Diego Intl. Airport (SAN). This is the airline’s primary hub in this destination.

A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to jet off from IND to SAN with Frontier Airlines. Plus, by joining Expedia’s free One Key™ program, you can receive OneKeyCash™* alongside Frontier Airlines’s loyalty program earnings. It’s yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to cancel or reschedule your flight, although additional fees may apply if your booking was made more than 24 hours ago. Need flexible options? Use Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you have to adjust your plans. To update your booking, head to “Trips,” select your flight and click on “Manage Booking” for more details.