$105 Find Cheap Flights from Idaho Falls to Denver - Compare and Save

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.

Only United Airlines operates flights between Idaho Falls and Denver.

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

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 travelers should check the fare details before booking.

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

• Economy Class
• First Class

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $290 round-trip, compared to $310 via a layover through Salt Lake City (SLC).

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 Canadair (Bombardier) Regional Jet CRJ-550 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

Most connecting flights from Idaho Falls to Denver pass through Salt Lake City (SLC), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

On the Idaho Falls to Denver route, being flexible with your departure day can save you up to 44%. Saturday is the cheapest day at $277 round-trip on average, while Sunday is the most expensive at $487: a $210 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Idaho Falls to Denver flights, with 40% of flights leaving in that window. Afternoon departures account for 40%, evening flights for 20%, and night flights for 0%.

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.

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

• Earliest: departs at 6:45 am and lands at 8:37 am
• Latest: departs at 9:40 pm and lands at 11:32 pm.

The flight takes about 1h 52m.

Last-minute fares on this route - booked within 2 weeks of departure - run 43% above the route average of $291. Book 24 weeks before departure for the lowest fares.

A nonstop flight from Idaho Falls to Denver takes 1h 52m, 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $265 to $1,071. That means the highest observed fare was about 4x 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 $201, which is 30% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Ace
• NU Car
• Europcar
• Hertz

Round-trip flights from Idaho Falls to Denver range from $247 to $382, with an average of $291 over the past 12 months. Anything below $247 counts as a good deal.