$120 Cheap Frontier Airlines flights Indianapolis (IND) to San Francisco (SFO)

Make use of the “Price (lowest to highest)” filter on Expedia to look for cheap Frontier Airlines round-trip flights from $240 from IND to SFO. Affordable one-way options from $120 are available as well.**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.

Browse for one-way or round-trip flights to San Francisco in February or April. You could find cheaper fares with Frontier Airlines during these quieter months.

Search for affordable Frontier Airlines flights from Indianapolis Intl. Airport (IND) to San Francisco Intl. Airport (SFO) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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 trip from IND to SFO with Frontier Airlines or another carrier, use our “Nonstop” filter when searching for flights.

Search Frontier Airlines’s earliest flights from IND to SFO by checking the “Morning” and “Early 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.

San Francisco Intl. Airport (SFO) is the main San Francisco gateway for Frontier Airlines flights from Indianapolis Intl. Airport (IND).

A rewarding loyalty program and the opportunity to collect points through Frontier Miles are the start of the reasons to travel from IND to SFO with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* on top of Frontier Airlines’s 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.

Depending on the type of ticket you purchased, a fee typically applies if you cancel or reschedule your booking more than 24 hours after it has been confirmed. To secure flexible plane tickets, select our “Changes included” and “No cancel fee” boxes when looking for flights. For additional information on changing or canceling your reservation, head to “Trips,” select your flight and click on “Manage Booking.”