IDA

$132 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 12/12. 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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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

Wed, Oct 8 - Wed, Oct 15
United Airlines Logo
5:01 am - 9:48 amORD-IDA
5h 47m1 stop
United Airlines Logo
5:56 pm - 11:59 pmIDA-ORD
5h 03m1 stop
$356United Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
Multiple Airlines Logo
6:15 am - 2:49 pmORD-IDA
9h 34m1 stop
Multiple Airlines Logo
10:57 pm - 11:51 amIDA-ORD
11h 54m1 stop
$365Multiple Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28
American Airlines Logo
6:01 am - 12:25 pmPIA-IDA
7h 24m1 stop
American Airlines Logo
12:55 pm - 7:40 pmIDA-PIA
5h 45m1 stop
$390American Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Delta Logo
7:33 am - 12:39 pmORD-IDA
6h 06m1 stop
Delta Logo
6:00 am - 12:38 pmIDA-ORD
5h 38m1 stop
$401Delta
Find Deal
Mon, Oct 20 - Fri, Oct 24
American Airlines Logo
9:45 am - 12:25 pmORD-IDA
3h 40mnonstop
American Airlines Logo
1:11 pm - 5:28 pmIDA-ORD
3h 17mnonstop
$411American Airlines
Find Deal
Tue, Sep 30 - Wed, Oct 1
Delta Logo
2:31 pm - 6:11 pmSTL-IDA
4h 40m1 stop
Delta Logo
6:51 pm - 12:38 amIDA-STL
4h 47m1 stop
$431Delta
Find Deal
Mon, Oct 20 - Fri, Oct 24
Alaska Airlines Logo
7:59 pm - 3:38 pmORD-IDA
20h 39m2 stops
Alaska Airlines Logo
4:15 pm - 2:50 pmIDA-ORD
21h 35m2 stops
$451Alaska Airlines
Find Deal
Mon, Oct 20 - Fri, Oct 24
Alaska Airlines Logo
7:59 pm - 3:38 pmORD-IDA
20h 39m2 stops
Alaska Airlines Logo
4:15 pm - 5:03 pmIDA-ORD
23h 48m1 stop
$466Alaska Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
Hawaiian Airlines Logo
3:35 pm - 10:39 pmSTL-IDA
8h 04m1 stop
Hawaiian Airlines Logo
6:13 am - 2:39 pmIDA-STL
7h 26m1 stop
$530Hawaiian Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Hawaiian Airlines Logo
3:15 pm - 10:38 pmORD-IDA
8h 23m1 stop
Hawaiian Airlines Logo
3:50 pm - 12:24 amIDA-ORD
7h 34m1 stop
$617Hawaiian Airlines
Find Deal

Everything you should know

Cheapest round-trip
$356
United Airlines
Wed 10/8Wed 10/15
ORD - IDA • 1 stop
Cheapest non-stop
$411
American Airlines
Mon 10/20Fri 10/24
ORD - IDA • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Idaho Falls!
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$132
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly and prices are also 24% 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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