$151 Find Cheap Flights from Idaho Falls to Denver - Compare and Save

These are the earliest and latest flight times available from Idaho Falls to Denver:

• Earliest: departs at 6:35 am and lands at 8:26 am
• Latest: departs at 9:40 pm and lands at 11:31 pm.

The flight takes about 1h 51m.

Two cabin classes are available on flights from Idaho Falls to Denver:

• Economy Class
• First Class

A nonstop flight from Idaho Falls to Denver takes 1h 51m, covering 457 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Idaho Falls to Denver range from $258 to $392, with an average of $311 over the past 12 months. Anything below $258 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 39% above the $311 route average. Book 24 weeks before departure for the lowest fares.

On this route, nonstop and layover fares are close on average, with nonstop at $313 round-trip and layover options via Salt Lake City (SLC) at $323.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Embraer 170 variants.

Morning is the busiest departure period on Idaho Falls to Denver flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $259 to $1,426. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Idaho Falls to Denver are currently lower than usual. Average one-way flight prices are about $220, which is 28% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Ace
• Europcar
• NU Car
• Hertz

Flights from Idaho Falls to Denver usually depart from Idaho Falls Fanning Field (IDA) and arrive at Denver Intl (DEN).

Most connecting flights from Idaho Falls to Denver pass through Salt Lake City (SLC), which handles 100% of one-stop traffic on this route.

Yes. Flexible dates can save you up to 43% on flights from Idaho Falls to Denver. Wednesday is the cheapest departure day at $281 round-trip on average, while Sunday is the most expensive at $487, a difference of $206.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only United Airlines operates flights between Idaho Falls and Denver.

Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among the most viewed places in Denver on KAYAK.

Among airlines operating Idaho Falls to Denver flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.