IDA

$114 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 11/27. 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

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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

Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
9:22 pm - 4:08 pmORD-IDA
19h 46m2 stops
Multiple Airlines Logo
7:56 pm - 5:32 amIDA-ORD
8h 36m1 stop
$281Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
2:31 pm - 4:08 pmORD-IDA
26h 37m3 stops
Multiple Airlines Logo
7:56 pm - 5:32 amIDA-ORD
8h 36m1 stop
$322Multiple Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Hawaiian Airlines Logo
2:55 pm - 10:38 pmSTL-IDA
8h 43m1 stop
Hawaiian Airlines Logo
4:00 pm - 11:56 pmIDA-STL
6h 56m1 stop
$348Hawaiian Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Hawaiian Airlines Logo
2:55 pm - 10:38 pmSTL-IDA
8h 43m1 stop
Hawaiian Airlines Logo
4:00 pm - 11:56 pmIDA-STL
6h 56m1 stop
$371Hawaiian Airlines
Find Deal
Wed, Apr 22 - Sat, Apr 25
Alaska Airlines Logo
7:00 am - 3:20 pmORD-IDA
9h 20m1 stop
Alaska Airlines Logo
4:00 pm - 11:58 pmIDA-ORD
6h 58m1 stop
$380Alaska Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Delta Logo
7:00 am - 12:31 pmSTL-IDA
6h 31m1 stop
Delta Logo
6:45 pm - 9:04 amIDA-STL
13h 19m2 stops
$404Delta
Find Deal
Wed, Apr 22 - Sat, Apr 25
Delta Logo
1:55 pm - 6:14 pmORD-IDA
5h 19m1 stop
Delta Logo
6:10 am - 4:48 pmIDA-ORD
9h 38m2 stops
$406Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
6:30 am - 1:30 pmSTL-IDA
8h 00m2 stops
United Airlines Logo
10:45 am - 10:00 pmIDA-STL
10h 15m2 stops
$429United Airlines
Find Deal
Wed, Dec 17 - Fri, Dec 26
United Airlines Logo
1:51 pm - 9:58 amORD-IDA
21h 07m1 stop
United Airlines Logo
4:05 pm - 11:59 pmIDA-ORD
6h 54m1 stop
$448United Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Alaska Airlines Logo
8:00 am - 3:13 pmORD-IDA
8h 13m1 stop
Alaska Airlines Logo
3:50 pm - 12:24 amIDA-ORD
7h 34m1 stop
$457Alaska Airlines
Find Deal

Everything you should know

Cheapest round-trip
$281
Multiple Airlines
Thu 11/13Mon 11/17
ORD - IDA • 2 stops
Cheapest one-way
$103
Multiple Airlines
Thu 11/27
ORD - IDA • 1 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$103
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 23% 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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