$224 Cheap Delta flights Denver (DEN) to Idaho Falls (IDA)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines return flights from $209 from DEN to IDA. Affordable one-way options from $224 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.

Look for round-trip or one-way flights to Idaho Falls in January or February. You could find an affordable fare with Delta Air Lines during these off-season months.

To find cheap Delta Air Lines fares from Denver Intl. Airport (DEN) to Idaho Falls Regional Airport (IDA), start searching one to three months before your planned 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 impact the overall price. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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 out if there’s a direct route from DEN to IDA with Delta Air Lines or any other airlines, use our “Nonstop” filter when browsing for flights.

Sort your results by “Early Morning” and “Morning” to browse the earliest flights from DEN to IDA. Jetting off early means you’re 20% less likely to experience 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.

Get on a Delta Air Lines flight from Denver Intl. Airport (DEN) to Idaho Falls, and you’ll probably land at Idaho Falls Regional Airport (IDA). This is the airline’s primary hub in this destination.

Delta Air Lines makes traveling from DEN to IDA enjoyable with an excellent in-flight experience and a rewarding loyalty program. You also have the chance to earn points with Delta SkyMiles. Remember to sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually cancel or change your flight, although there may be a charge if you booked more than 24 hours ago. Want to keep your options open? Use our “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you have to adjust your plans. To modify your booking, visit “Trips,” select your flight and click on “Manage Booking” for more information.