$274 Find Cheap Flights from Idaho Falls to Chicago - Compare and Save

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

• Economy Class
• First Class

A nonstop flight from Idaho Falls to Chicago takes 00m, covering 1,241 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 Chicago range from $404 to $570, with an average of $459 over the past 12 months. Anything below $404 counts as a good deal.

On this route, nonstop and layover fares are close on average, with nonstop at $465 round-trip and layover options via Denver Intl (DEN) at $478.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $55–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $371 to $1,523. That means the highest observed fare was about 4x higher than the lowest one.

American Airlines is the only airline on the Idaho Falls to Chicago route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Idaho Falls to Chicago are currently higher than usual. Average one-way flight prices are about $330, which is 7% above the typical average for this route.

Since Chicago is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Chicago O'Hare Intl Airport (ORD) — daily rates averaging $63:

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

Near Chicago Midway Airport (MDW) — daily rates averaging $86:

• Hertz
• Dollar
• Budget
• Alamo
• Rent-A-Wreck

Near Chicago Greater Rockford Airport (RFD) — daily rates averaging $81:

• Alamo
• Enterprise Rent-A-Car
• Budget
• Avis
• National

Flights from Idaho Falls to Chicago usually depart from Idaho Falls Fanning Field (IDA) and may arrive at several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD).

One-stop flights from Idaho Falls to Chicago most commonly connect through:

• Denver Intl (DEN) - 69% of one-stop connections
• Salt Lake City (SLC) - 24% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 4% of one-stop connections
• Dallas/Fort Worth (DFW) - 2% of one-stop connections

Yes. Flexible dates can save you up to 32% on flights from Idaho Falls to Chicago. Sunday is the cheapest departure day at $378 round-trip on average, while Saturday is the most expensive at $554, a difference of $176.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 51m, compared with 6h 12m via Denver Intl (DEN) and 8h 04m via Dallas/Fort Worth (DFW).

Chicago is 1 hour ahead of Idaho Falls (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Chicago are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago on KAYAK.

Among airlines operating Idaho Falls to Chicago flights:

• American 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:

• American Airlines: a cabin bag in Economy Class class

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