IDA

$135 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 3/2. 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

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Everything you should know

Cheapest round-trip
$269
Alaska Airlines
ke 3/11ma 3/16
ORD - IDA • 1 stop
Cheapest non-stop
$335
American Airlines
ti 6/30ti 7/7
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!
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

ke, maalis 11 - ma, maalis 16
Alaska Airlines Logo
5:29 pm - 4:43 pm
ORD
-
IDA
24h 14m
1 stop
Alaska Airlines Logo
5:20 pm - 2:11 pm
IDA
-
ORD
19h 51m
1 stop
$269Alaska Airlines
ti, maalis 3 - ti, maalis 10
United Airlines Logo
8:41 am - 1:30 pm
STL
-
IDA
5h 49m
1 stop
United Airlines Logo
5:30 pm - 11:34 pm
IDA
-
STL
5h 04m
1 stop
$279United Airlines
ti, maalis 3 - ti, maalis 10
United Airlines Logo
6:25 am - 1:30 pm
STL
-
IDA
8h 05m
2 stops
United Airlines Logo
5:30 pm - 11:34 pm
IDA
-
STL
5h 04m
1 stop
$284United Airlines
la, kesä 20 - la, kesä 27
United Airlines Logo
5:00 am - 9:55 am
ORD
-
IDA
5h 55m
1 stop
United Airlines Logo
6:03 pm - 12:44 am
IDA
-
ORD
5h 41m
1 stop
$285United Airlines
ke, maalis 4 - ti, maalis 10
Alaska Airlines Logo
7:00 am - 4:43 pm
STL
-
IDA
10h 43m
1 stop
Alaska Airlines Logo
5:20 pm - 1:51 pm
IDA
-
STL
19h 31m
1 stop
$287Alaska Airlines
pe, Touko 8 - ma, Touko 11
Delta Logo
7:45 am - 2:34 pm
ORD
-
IDA
7h 49m
1 stop
Delta Logo
3:16 pm - 9:50 pm
IDA
-
ORD
5h 34m
1 stop
$294Delta
ti, kesä 30 - ti, heinä 7
American Airlines Logo
10:36 am - 1:13 pm
ORD
-
IDA
3h 37mnonstop
American Airlines Logo
12:41 pm - 5:10 pm
IDA
-
ORD
3h 29mnonstop
$335American Airlines
pe, huhti 17 - ke, huhti 22
American Airlines Logo
6:05 am - 1:13 pm
ORD
-
IDA
8h 08m
1 stop
American Airlines Logo
1:43 pm - 10:34 pm
IDA
-
ORD
7h 51m
1 stop
$345American Airlines
pe, Touko 8 - ma, Touko 11
Multiple Airlines Logo
6:00 am - 3:27 pm
ORD
-
IDA
10h 27m
2 stops
Multiple Airlines Logo
10:21 pm - 6:47 am
IDA
-
ORD
7h 26m
1 stop
$351Multiple Airlines
ti, helmi 17 - la, helmi 28
Delta Logo
7:00 am - 12:22 pm
STL
-
IDA
6h 22m
1 stop
Delta Logo
5:25 am - 1:32 pm
IDA
-
STL
7h 07m
1 stop
$429Delta
Useful Info

Good to know

Low seasonMarch
Cheapest flight$135
Best time to beat the crowds but there is an average 25% increase in price.
Most popular time to fly and prices are also 14% 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)