Cheap flights from Denver to Idaho Falls, United States (DEN - IDA)

Flying from Denver to Idaho Falls can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Denver - Idaho Falls (DEN - IDA). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Idaho Falls to Denver.

Airlines are flying from Denver to Idaho Falls

United Airlines

Popular flights from Denver

Frequently asked questions about flights from Denver to Idaho Falls

How long does the flight from Denver to Idaho Falls take?

Flight duration from Denver to Idaho Falls varies by route, airline, and number of stops. Direct flights are faster. Use our search to compare options.

Are there direct flights from Denver to Idaho Falls?

Availability of direct flights from Denver to Idaho Falls depends on the route and season. Use the "Direct" filter in search to see only direct options.

Which airlines fly from Denver to Idaho Falls?

Several airlines operate flights from Denver to Idaho Falls. On this page you see airlines serving this route. Our search compares prices across airlines and agencies.

What is the cheapest month to fly from Denver to Idaho Falls?

Prices from Denver to Idaho Falls vary by month and demand. On this page you see average prices by month. Use the low-fare calendar and monthly table to find the cheapest dates.

Find flights to Idaho Falls