$103 Cheap Spirit Airlines flights Philadelphia (PHL) to Indianapolis (IND)

Use the "Price (lowest to highest)" filter on Expedia to find cheap Spirit Airlines return flights from $205 from PHL to IND. Affordable one-way tickets from $103 are also available.**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.

For cheap Spirit Airlines fares from Philadelphia Intl. Airport (PHL) to Indianapolis Intl. Airport (IND), start searching one to three months before your intended departure. Securing 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 what you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey 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.

To find the earliest departures from PHL to IND with Spirit Airlines, filter your search by "Morning" and "Early Morning." Booking an early flight generally means you'll experience 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.

A rewarding loyalty program and the ability to rack up points through Free Spirit are the start of the reasons to travel from PHL to IND with Spirit Airlines. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* alongside any airline loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.