$79 Cheap United flights Indianapolis (IND) to Denver (DEN)

Finding cheap one-way United Airlines flights from IND to DEN from $79 on Expedia couldn't be easier --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $131 for your next exciting vacation.**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.

Start searching one to three months before your departure to find cheap fares on United Airlines flights from Indianapolis Intl. Airport (IND) to Denver Intl. Airport (DEN). 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.* Time it well, 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.

The earliest United Airlines flight from IND to DEN takes off at 9:00AM UTC-5, landing at 10:03AM UTC-7. If you prefer to set off later, the last United Airlines flight leaves IND at 3:35PM UTC-5 and lands at DEN at 4:36PM UTC-7. Flying before midday is often a wise choice as morning and mid-morning flights are 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.

A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to fly from IND to DEN with United Airlines. Plus, when you join Expedia's free One Key™ program, you can receive 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.