Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Idaho Falls from $146

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 O'Hare Intl Airport to Idaho Falls departing on 12/5. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:40 am - 12:20 pm
ORD
-
IDA
3h 40mnonstop
American Airlines Logo
1:43 pm - 6:00 pm
IDA
-
ORD
3h 17mnonstop
$271American Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
5:53 pm - 11:59 pm
IDA
-
ORD
5h 06m
1 stop
$291United Airlines
Wed, Aug 5 - Tue, Aug 11
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
4:04 pm - 11:59 pm
IDA
-
ORD
6h 55m
1 stop
$304United Airlines
Tue, Aug 4 - Tue, Aug 11
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
5:54 pm - 12:44 am
IDA
-
ORD
5h 50m
1 stop
$310United Airlines
Wed, Jul 8 - Tue, Jul 14
American Airlines Logo
6:00 am - 1:44 pm
ORD
-
IDA
8h 44m
1 stop
American Airlines Logo
1:43 pm - 6:00 pm
IDA
-
ORD
3h 17mnonstop
$311American Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
2:30 pm - 8:40 pm
IDA
-
ORD
5h 10m
1 stop
$329United Airlines
Sun, Jul 5 - Sat, Jul 11
Delta Logo
3:50 pm - 10:19 pm
ORD
-
IDA
7h 29m
2 stops
Delta Logo
1:10 pm - 9:53 pm
IDA
-
ORD
7h 43m
1 stop
$334Delta
Fri, Oct 23 - Mon, Oct 26
Delta Logo
11:30 am - 10:19 pm
ORD
-
IDA
11h 49m
2 stops
Delta Logo
1:10 pm - 11:50 pm
IDA
-
ORD
9h 40m
2 stops
$339Delta
Fri, Oct 23 - Mon, Oct 26
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
4:04 pm - 10:46 pm
IDA
-
ORD
5h 42m
1 stop
$343United Airlines
Sat, Aug 8 - Wed, Aug 12
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
United Airlines Logo
12:30 pm - 4:50 pm
IDA
-
ORD
3h 20mnonstop
$349United Airlines
Sat, Jun 27 - Sat, Jul 4

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Chicago O'Hare Intl Airport to Idaho Falls

Our best Delta deals on Chicago O'Hare Intl Airport to Idaho Falls flight tickets
Delta
Oct 23
ORD3:50 pmChicago O'Hare Intl
7h 29m
2 stops
IDA10:19 pmIdaho Falls Fanning Field
Oct 26
IDA1:10 pmIdaho Falls Fanning Field
7h 43m
1 stop
ORD9:53 pmChicago O'Hare Intl
$334
Delta
Oct 23
ORD11:30 amChicago O'Hare Intl
11h 49m
2 stops
IDA10:19 pmIdaho Falls Fanning Field
Oct 26
IDA1:10 pmIdaho Falls Fanning Field
9h 40m
2 stops
ORD11:50 pmChicago O'Hare Intl
$339
Delta
Jul 9
ORD7:45 amChicago O'Hare Intl
7h 51m
1 stop
IDA2:36 pmIdaho Falls Fanning Field
Jul 13
IDA3:22 pmIdaho Falls Fanning Field
5h 07m
1 stop
ORD9:29 pmChicago O'Hare Intl
$354

United Airlines flights from Chicago O'Hare Intl Airport to Idaho Falls

Our best United Airlines deals on Chicago O'Hare Intl Airport to Idaho Falls flight tickets
United Airlines
Aug 5
ORD5:00 amChicago O'Hare Intl
5h 50m
1 stop
IDA9:50 amIdaho Falls Fanning Field
Aug 12
IDA4:04 pmIdaho Falls Fanning Field
6h 55m
1 stop
ORD11:59 pmChicago O'Hare Intl
$291
United Airlines
Aug 4
ORD5:00 amChicago O'Hare Intl
5h 50m
1 stop
IDA9:50 amIdaho Falls Fanning Field
Aug 11
IDA4:04 pmIdaho Falls Fanning Field
6h 55m
1 stop
ORD11:59 pmChicago O'Hare Intl
$304
United Airlines
Jul 8
ORD5:00 amChicago O'Hare Intl
5h 50m
1 stop
IDA9:50 amIdaho Falls Fanning Field
Jul 14
IDA5:54 pmIdaho Falls Fanning Field
5h 50m
1 stop
ORD12:44 amChicago O'Hare Intl
$310

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 June 15, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 10/24

9:40 am-12:20 pm

Nonstop3h 40m

Idaho Falls Fanning Field

Tue 10/27

1:43 pm-6:00 pm

Nonstop3h 17m

$271

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 8/5

5:00 am-9:50 am

1 stop5h 50m

Idaho Falls Fanning Field

Tue 8/11

5:53 pm-11:59 pm

1 stop5h 06m

$291

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 8/4

5:00 am-9:50 am

1 stop5h 50m

Idaho Falls Fanning Field

Tue 8/11

4:04 pm-11:59 pm

1 stop6h 55m

$304

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 7/8

5:00 am-9:50 am

1 stop5h 50m

Idaho Falls Fanning Field

Tue 7/14

5:54 pm-12:44 am

1 stop5h 50m

$310

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 10/24

6:00 am-1:44 pm

1 stop8h 44m

Idaho Falls Fanning Field

Tue 10/27

1:43 pm-6:00 pm

Nonstop3h 17m

$311

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sun 7/5

5:00 am-9:50 am

1 stop5h 50m

Idaho Falls Fanning Field

Sat 7/11

2:30 pm-8:40 pm

1 stop5h 10m

$329

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Fri 10/23

3:50 pm-10:19 pm

2 stops7h 29m

Idaho Falls Fanning Field

Mon 10/26

1:10 pm-9:53 pm

1 stop7h 43m

$334

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Fri 10/23

11:30 am-10:19 pm

2 stops11h 49m

Idaho Falls Fanning Field

Mon 10/26

1:10 pm-11:50 pm

2 stops9h 40m

$339

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 8/8

5:00 am-9:50 am

1 stop5h 50m

Idaho Falls Fanning Field

Wed 8/12

4:04 pm-10:46 pm

1 stop5h 42m

$343

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 6/27

5:00 am-9:50 am

1 stop5h 50m

Idaho Falls Fanning Field

Sat 7/4

12:30 pm-4:50 pm

Nonstop3h 20m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $390. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Friday is $550.

What is the cheapest Chicago O'Hare Intl to Idaho Falls Fanning Field flight route?

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

What cabin class options are available on Chicago O'Hare Intl Airport to Idaho Falls flights?

There are 2 cabin classes available to choose from on Chicago O'Hare Intl Airport to Idaho Falls 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 O'Hare Intl Airport to Idaho Falls flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Idaho Falls.

When to book flights from Chicago O'Hare Intl Airport to Idaho Falls

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

Cheap Chicago O'Hare Intl Airport to Idaho Falls (ORD to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Idaho Falls

Best Price Found

$380

Fastest flight time

3h 33m

Direct flights

Every day

Airports in Idaho Falls

1 airport
The best flight deal from Chicago O'Hare Intl Airport to Idaho Falls found on momondo in the last 72 hours is $380
The fastest flight from Chicago O'Hare Intl Airport to Idaho Falls takes 3h 33m
Direct flights go from Chicago O'Hare Intl Airport to Idaho Falls every day.
There is 1 airport in Idaho Falls. From Chicago O'Hare Intl Airport there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Idaho Falls

  • How far is Chicago O'Hare Intl to Idaho Falls Fanning Field by plane?

    There are 1223.9 mi between Chicago O'Hare Intl and Idaho Falls Fanning Field. 3h 33m is a normal flight duration for this route.

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

    Prices for flights from Chicago O'Hare Intl Airport to Idaho Falls Fanning Field Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Idaho Falls?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Idaho Falls?

Best airlines flying from Chicago O'Hare Intl Airport to Idaho Falls

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,834 reviews
Search United Airlines flights
American AirlinesPriceFrom $371Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Idaho Falls

    United Airlines operates around 1 flight from Chicago O'Hare Intl Airport to Idaho Falls every week. The average price of these flights found in the last 72 hours has been $431, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Idaho Falls from as low as $319 round-trip. United Airlines has been scored 7.4/10 in 9,832 reviews.

  • American Airlines Flights From Chicago O'Hare Intl Airport to Idaho Falls

    The best American Airlines deal for Chicago O'Hare Intl Airport to Idaho Falls flight tickets found on momondo in the last 72 hours was $371, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $451 round-trip. American Airlines operates 6 flights out of Chicago O'Hare Intl Airport into Idaho Falls in an average week, so prices vary by time and availability. 11,662 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

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 you have performed a search for Chicago to Idaho Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Idaho Falls from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/15
Wed 7/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States