IDA

$144 Find Cheap Flights from Illinois to Idaho Falls

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Idaho Falls departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Idaho Falls

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Idaho Falls

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Idaho Falls that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Idaho Falls

Tue, Jun 2 - Sat, Jun 13
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
5:54 pm - 12:44 am
IDA
-
ORD
5h 50m
1 stop
$291United Airlines
Sat, Sep 19 - Tue, Sep 22
Alaska Airlines Logo
7:00 am - 1:06 pm
ORD
-
IDA
7h 06m
1 stop
Alaska Airlines Logo
1:45 pm - 11:59 pm
IDA
-
ORD
9h 14m
1 stop
$310Alaska Airlines
Sat, Jul 11 - Sat, Jul 18
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
5:54 pm - 12:44 am
IDA
-
ORD
5h 50m
1 stop
$327United Airlines
Tue, Aug 11 - Sat, Aug 22
Alaska Airlines Logo
7:20 am - 1:06 pm
ORD
-
IDA
6h 46m
1 stop
Alaska Airlines Logo
4:14 pm - 11:41 pm
IDA
-
ORD
6h 27m
1 stop
$329Alaska Airlines
Tue, May 26 - Tue, Jun 2
Delta Logo
2:11 pm - 6:14 pm
ORD
-
IDA
5h 03m
1 stop
Delta Logo
6:54 pm - 8:39 am
IDA
-
ORD
12h 45m
2 stops
$334Delta
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
6:00 am - 11:30 am
ORD
-
IDA
6h 30m
1 stop
American Airlines Logo
2:20 pm - 11:10 pm
IDA
-
ORD
7h 50m
1 stop
$351American Airlines
Mon, Jul 27 - Mon, Aug 3
Multiple Airlines Logo
7:15 am - 4:00 pm
ORD
-
IDA
9h 45m
1 stop
Multiple Airlines Logo
10:47 pm - 5:28 am
IDA
-
ORD
29h 41m
1 stop
$352Multiple Airlines
Tue, May 26 - Tue, Jun 2
Delta Logo
7:45 am - 2:34 pm
ORD
-
IDA
7h 49m
1 stop
Delta Logo
11:30 am - 6:50 pm
IDA
-
ORD
6h 20m
1 stop
$354Delta
Thu, Jun 4 - Mon, Jun 8
Multiple Airlines Logo
9:06 pm - 4:08 pm
STL
-
IDA
20h 02m
1 stop
Multiple Airlines Logo
10:56 pm - 5:30 pm
IDA
-
STL
17h 34m
2 stops
$371Multiple Airlines
Mon, Jun 15 - Thu, Jun 25
American Airlines Logo
5:29 am - 11:47 am
STL
-
IDA
7h 18m
1 stop
American Airlines Logo
2:19 pm - 9:37 pm
IDA
-
STL
6h 18m
1 stop
$401American Airlines
Useful Info

Good to know

Low seasonMarch
Cheapest flight$144
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Chicago O'Hare Airport to Idaho Falls

FAQs for booking flights from Illinois to Idaho Falls

  • How does KAYAK find such low prices on flights from Illinois to Idaho Falls?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Idaho Falls.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Idaho Falls?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Idaho Falls?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Idaho Falls with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Idaho Falls?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Idaho Falls from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Idaho Falls

Information on the airport you'll fly into in Idaho Falls

Idaho Falls (IDA)