IDA

$127 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 10/24. 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

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Flights 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, Sep 16 - Fri, Sep 19
Hawaiian Airlines Logo
8:00 am - 3:20 pmORD-IDA
8h 20m1 stop
Hawaiian Airlines Logo
3:57 pm - 11:59 pmIDA-ORD
7h 02m1 stop
$267Hawaiian Airlines
Find Deal
Tue, Aug 26 - Sun, Aug 31
Delta Logo
6:25 pm - 10:27 pmORD-IDA
5h 02m1 stop
Delta Logo
6:00 am - 11:58 amIDA-ORD
4h 58m1 stop
$277Delta
Find Deal
Tue, Aug 26 - Fri, Aug 29
Alaska Airlines Logo
8:00 am - 3:23 pmORD-IDA
8h 23m1 stop
Alaska Airlines Logo
4:03 pm - 7:03 amIDA-ORD
14h 00m1 stop
$308Alaska Airlines
Find Deal
Sun, Aug 31 - Sat, Sep 6
Alaska Airlines Logo
6:20 am - 3:20 pmORD-IDA
10h 00m1 stop
Alaska Airlines Logo
6:13 am - 10:04 pmIDA-ORD
14h 51m1 stop
$311Alaska Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
American Airlines Logo
7:23 am - 12:09 pmSTL-IDA
5h 46m1 stop
American Airlines Logo
12:43 pm - 8:25 pmIDA-STL
6h 42m1 stop
$351American Airlines
Find Deal
Thu, Jul 3 - Mon, Jul 7
Logo
10:15 pm - 11:44 amORD-IDA
14h 29m1 stop
Logo
6:12 pm - 10:50 amIDA-ORD
15h 38m1 stop
$351
Find Deal
Thu, Jul 3 - Mon, Jul 7
Logo
10:15 pm - 6:33 pmORD-IDA
21h 18m3 stops
Logo
6:12 pm - 6:12 amIDA-ORD
11h 00m1 stop
$360
Find Deal
Mon, Aug 11 - Tue, Aug 26
American Airlines Logo
10:19 am - 12:47 pmORD-IDA
3h 28mnonstop
American Airlines Logo
7:00 am - 2:47 pmIDA-ORD
6h 47m1 stop
$361American Airlines
Find Deal
Sun, Jul 13 - Sun, Jul 20
Allegiant Air Logo
8:44 pm - 9:03 amPIA-IDA
13h 19m1 stop
Allegiant Air Logo
5:49 pm - 9:01 pmIDA-PIA
26h 12m1 stop
$384Allegiant Air
Find Deal
Sun, Jul 13 - Sun, Jul 20
Allegiant Air Logo
8:44 pm - 9:03 amPIA-IDA
13h 19m1 stop
Allegiant Air Logo
9:47 am - 11:55 amIDA-PIA
25h 08m2 stops
$506Allegiant Air
Find Deal
Useful Info

Good to know

Low seasonJanuary
High seasonAugust
Cheapest flight$127
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 6% 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)

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