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Cheap flights from Chicago to Idaho Falls from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Idaho Falls departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Chicago to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 12:14 pm
ORD
-
IDA
7h 14m
1 stop
American Airlines Logo
12:44 pm - 5:11 pm
IDA
-
ORD
3h 27mnonstop
$319American Airlines
Thu, May 28 - Thu, Jun 4
Alaska Airlines Logo
4:08 pm - 10:56 pm
ORD
-
IDA
7h 48m
1 stop
Alaska Airlines Logo
1:45 pm - 11:59 pm
IDA
-
ORD
9h 14m
1 stop
$329Alaska Airlines
Sat, Sep 19 - Tue, Sep 22
American Airlines Logo
10:56 am - 1:38 pm
ORD
-
IDA
3h 42mnonstop
American Airlines Logo
12:44 pm - 5:11 pm
IDA
-
ORD
3h 27mnonstop
$339American Airlines
Thu, May 28 - Thu, Jun 4
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
2:30 pm - 10:49 pm
IDA
-
ORD
7h 19m
1 stop
$349United Airlines
Sat, Aug 1 - Sat, Aug 8
American Airlines Logo
9:40 am - 12:12 pm
ORD
-
IDA
3h 32mnonstop
American Airlines Logo
1:44 pm - 6:00 pm
IDA
-
ORD
3h 16mnonstop
$350American Airlines
Sat, Sep 19 - Tue, Sep 22
American Airlines Logo
6:00 am - 1:44 pm
ORD
-
IDA
8h 44m
1 stop
American Airlines Logo
2:20 pm - 11:12 pm
IDA
-
ORD
7h 52m
1 stop
$359American Airlines
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
5:00 am - 9:53 am
ORD
-
IDA
5h 53m
1 stop
United Airlines Logo
2:30 pm - 9:42 pm
IDA
-
ORD
6h 12m
1 stop
$365United Airlines
Fri, Aug 21 - Sat, Aug 22
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
2:30 pm - 10:49 pm
IDA
-
ORD
7h 19m
1 stop
$370United Airlines
Sat, Aug 1 - Sat, Aug 8
Delta Logo
1:22 pm - 10:42 pm
MDW
-
IDA
10h 20m
2 stops
Delta Logo
6:00 am - 6:33 pm
IDA
-
MDW
11h 33m
2 stops
$495Delta
Sat, May 9 - Sat, May 16
Delta Logo
9:23 am - 6:14 pm
MDW
-
IDA
9h 51m
2 stops
Delta Logo
11:30 am - 9:09 pm
IDA
-
MDW
8h 39m
2 stops
$524Delta
Thu, May 7 - Sat, May 9

American Airlines flights from Chicago to Idaho Falls

Our best American Airlines deals on Chicago to Idaho Falls flight tickets
American Airlines
May 28
ORD6:00 amChicago O'Hare Intl
7h 14m
1 stop
IDA12:14 pmIdaho Falls Fanning Field
Jun 4
IDA12:44 pmIdaho Falls Fanning Field
3h 27m
ORD5:11 pmChicago O'Hare Intl
$319
American Airlines
May 28
ORD10:56 amChicago O'Hare Intl
3h 42m
IDA1:38 pmIdaho Falls Fanning Field
Jun 4
IDA12:44 pmIdaho Falls Fanning Field
3h 27m
ORD5:11 pmChicago O'Hare Intl
$339
American Airlines
Sep 19
ORD9:40 amChicago O'Hare Intl
3h 32m
IDA12:12 pmIdaho Falls Fanning Field
Sep 22
IDA1:44 pmIdaho Falls Fanning Field
3h 16m
ORD6:00 pmChicago O'Hare Intl
$350

Delta flights from Chicago to Idaho Falls

Our best Delta deals on Chicago to Idaho Falls flight tickets
Delta
May 9
ORD1:44 pmChicago O'Hare Intl
9h 58m
2 stops
IDA10:42 pmIdaho Falls Fanning Field
May 16
IDA3:16 pmIdaho Falls Fanning Field
5h 34m
1 stop
ORD9:50 pmChicago O'Hare Intl
$395
Delta
May 28
ORD11:09 amChicago O'Hare Intl
12h 33m
2 stops
IDA10:42 pmIdaho Falls Fanning Field
May 31
IDA6:00 amIdaho Falls Fanning Field
4h 52m
1 stop
ORD11:52 amChicago O'Hare Intl
$414
Delta
May 7
ORD7:45 amChicago O'Hare Intl
7h 49m
1 stop
IDA2:34 pmIdaho Falls Fanning Field
May 9
IDA3:16 pmIdaho Falls Fanning Field
5h 34m
1 stop
ORD9:50 pmChicago O'Hare Intl
$444

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 12, 2026.
Use the filters below to find and compare flights from Chicago to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Thu 5/28

6:00 am-12:14 pm

1 stop7h 14m

Idaho Falls Fanning Field

Thu 6/4

12:44 pm-5:11 pm

Nonstop3h 27m

$319

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 9/19

4:08 pm-10:56 pm

1 stop7h 48m

Idaho Falls Fanning Field

Tue 9/22

1:45 pm-11:59 pm

1 stop9h 14m

$329

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Thu 5/28

10:56 am-1:38 pm

Nonstop3h 42m

Idaho Falls Fanning Field

Thu 6/4

12:44 pm-5:11 pm

Nonstop3h 27m

$339

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 8/1

5:00 am-9:50 am

1 stop5h 50m

Idaho Falls Fanning Field

Sat 8/8

2:30 pm-10:49 pm

1 stop7h 19m

$349
Quickest round-trip

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 9/19

9:40 am-12:12 pm

Nonstop3h 32m

Idaho Falls Fanning Field

Tue 9/22

1:44 pm-6:00 pm

Nonstop3h 16m

$350

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 8/22

6:00 am-1:44 pm

1 stop8h 44m

Idaho Falls Fanning Field

Sat 8/29

2:20 pm-11:12 pm

1 stop7h 52m

$359

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Fri 8/21

5:00 am-9:53 am

1 stop5h 53m

Idaho Falls Fanning Field

Sat 8/22

2:30 pm-9:42 pm

1 stop6h 12m

$365

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 8/1

5:00 am-9:50 am

1 stop5h 50m

Idaho Falls Fanning Field

Sat 8/8

2:30 pm-10:49 pm

1 stop7h 19m

$370

ChicagoIdaho Falls

MDW - IDA

MDWIDA

Chicago Midway

Sat 5/9

1:22 pm-10:42 pm

2 stops10h 20m

Idaho Falls Fanning Field

Sat 5/16

6:00 am-6:33 pm

2 stops11h 33m

$495

ChicagoIdaho Falls

MDW - IDA

MDWIDA

Chicago Midway

Thu 5/7

9:23 am-6:14 pm

2 stops9h 51m

Idaho Falls Fanning Field

Sat 5/9

11:30 am-9:09 pm

2 stops8h 39m

$524

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Chicago to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Saturday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $323. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Wednesday is $451.

What is the cheapest Chicago to Idaho Falls Fanning Field flight route?

Fly from Chicago O'Hare Intl to Idaho Falls Fanning Field for the best Chicago - Idaho Falls Fanning Field flight prices

What cabin class options are available on Chicago to Idaho Falls Fanning Field flights?

There are 2 cabin classes available to choose from on Chicago to Idaho Falls Fanning Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Idaho Falls flights?

No. A direct flight is the cheapest option for a flight between Chicago to Idaho Falls.

When to book flights from Chicago to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Idaho Falls (CHI to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Idaho Falls

Best Price Found

$475

Fastest flight time

3h 15m

Direct flights

Every day

Airports in Idaho Falls

1 airport
The best flight deal from Chicago to Idaho Falls found on momondo in the last 72 hours is $475
The fastest flight from Chicago to Idaho Falls takes 3h 15m
Direct flights go from Chicago to Idaho Falls every day.
There is 1 airport in Idaho Falls. From Chicago there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

Frequently asked questions about flying from Chicago to Idaho Falls

  • How far is Chicago to Idaho Falls Fanning Field by plane?

    Chicago and Idaho Falls Fanning Field are 1239.4 mi apart from one another. In terms of flight time, this usually takes a little over 3h 15m.

  • When did momondo last update prices for flights from Chicago to Idaho Falls Fanning Field Airport?

    Prices for flights from Chicago to Idaho Falls Fanning Field Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Chicago to Idaho Falls Fanning Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Idaho Falls?

  • What is the most popular airline from Chicago to Idaho Falls?

Best airlines flying from Chicago to Idaho Falls

Compare and see reviews for airlines that fly from Chicago to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $323Free CancellationRating
7.1
11,570 reviews
Search American Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Idaho Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from Chicago.

Can I find flights from Chicago to Idaho Falls with flexible booking policies on momondo?

Flights from Chicago to Idaho Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Idaho Falls?

Once all potential Chicago to Idaho Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Idaho Falls right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Idaho Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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