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Cheap flights from Idaho Falls to Chicago from $118

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Chicago departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Delta Logo
6:53 pm - 8:32 amIDA-ORD
12h 39m2 stops
Delta Logo
7:33 am - 12:39 pmORD-IDA
6h 06m1 stop
$242Delta
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Tue, Nov 4 - Tue, Nov 11
Delta Logo
6:53 pm - 8:32 amIDA-ORD
12h 39m2 stops
Delta Logo
9:46 am - 10:19 pmORD-IDA
13h 33m2 stops
$247Delta
Find Deal
Tue, Nov 4 - Tue, Nov 11
Alaska Airlines Logo
4:15 pm - 6:24 amIDA-ORD
13h 09m1 stop
Alaska Airlines Logo
6:00 am - 3:13 pmORD-IDA
10h 13m1 stop
$316Alaska Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
Multiple Airlines Logo
10:57 pm - 12:17 amIDA-ORD
24h 20m1 stop
Multiple Airlines Logo
6:35 am - 12:49 pmORD-IDA
7h 14m1 stop
$324Multiple Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
Multiple Airlines Logo
10:57 pm - 11:53 pmIDA-ORD
23h 56m2 stops
Multiple Airlines Logo
6:35 am - 12:49 pmORD-IDA
7h 14m1 stop
$344Multiple Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
United Airlines Logo
5:56 pm - 11:59 pmIDA-ORD
5h 03m1 stop
United Airlines Logo
5:01 am - 9:48 amORD-IDA
5h 47m1 stop
$352United Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
Alaska Airlines Logo
4:15 pm - 6:24 amIDA-ORD
13h 09m1 stop
Alaska Airlines Logo
6:00 am - 3:38 pmORD-IDA
10h 38m1 stop
$356Alaska Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
American Airlines Logo
1:11 pm - 5:28 pmIDA-ORD
3h 17mnonstop
American Airlines Logo
9:45 am - 12:25 pmORD-IDA
3h 40mnonstop
$371American Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
American Airlines Logo
1:11 pm - 5:28 pmIDA-ORD
3h 17mnonstop
American Airlines Logo
6:45 am - 12:41 pmORD-IDA
6h 56m1 stop
$381American Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
United Airlines Logo
5:00 am - 11:28 amIDA-ORD
5h 28m1 stop
United Airlines Logo
5:01 am - 9:48 amORD-IDA
5h 47m1 stop
$431United Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13

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

Our best Delta deals on Idaho Falls to Chicago O'Hare Intl Airport flight tickets
Delta
Nov 4
IDA6:53 pmIdaho Falls Fanning Field
12h 39m
2 stops
ORD8:32 amChicago O'Hare Intl
Nov 11
ORD7:33 amChicago O'Hare Intl
6h 06m
1 stop
IDA12:39 pmIdaho Falls Fanning Field
$242
Find similar
Delta
Nov 4
IDA6:53 pmIdaho Falls Fanning Field
12h 39m
2 stops
ORD8:32 amChicago O'Hare Intl
Nov 11
ORD9:46 amChicago O'Hare Intl
13h 33m
2 stops
IDA10:19 pmIdaho Falls Fanning Field
$247
Find similar
Delta
Oct 4
IDA6:51 pmIdaho Falls Fanning Field
12h 49m
2 stops
ORD8:40 amChicago O'Hare Intl
Oct 8
ORD11:02 amChicago O'Hare Intl
8h 11m
2 stops
IDA6:13 pmIdaho Falls Fanning Field
$698
Find similar

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

Our best Alaska Airlines deals on Idaho Falls to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
Oct 24
IDA4:15 pmIdaho Falls Fanning Field
13h 09m
1 stop
ORD6:24 amChicago O'Hare Intl
Oct 27
ORD6:00 amChicago O'Hare Intl
10h 13m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
$316
Find similar
Alaska Airlines
Oct 7
IDA4:15 pmIdaho Falls Fanning Field
13h 09m
1 stop
ORD6:24 amChicago O'Hare Intl
Oct 14
ORD6:00 amChicago O'Hare Intl
10h 38m
1 stop
IDA3:38 pmIdaho Falls Fanning Field
$356
Find similar
Alaska Airlines
Oct 18
IDA6:00 amIdaho Falls Fanning Field
10h 03m
1 stop
ORD5:03 pmChicago O'Hare Intl
Oct 20
ORD6:00 amChicago O'Hare Intl
10h 38m
1 stop
IDA3:38 pmIdaho Falls Fanning Field
$362
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Chicago O'Hare Intl Airport 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 September 21, 2025.
Use the filters below to find and compare flights from Idaho Falls to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 11/4

6:53 pm-8:32 am

2 stops12h 39m

Chicago O'Hare Intl

Tue 11/11

7:33 am-12:39 pm

1 stop6h 06m

$242

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 11/4

6:53 pm-8:32 am

2 stops12h 39m

Chicago O'Hare Intl

Tue 11/11

9:46 am-10:19 pm

2 stops13h 33m

$247

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/24

4:15 pm-6:24 am

1 stop13h 09m

Chicago O'Hare Intl

Mon 10/27

6:00 am-3:13 pm

1 stop10h 13m

$316

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/17

10:57 pm-12:17 am

1 stop24h 20m

Chicago O'Hare Intl

Mon 10/20

6:35 am-12:49 pm

1 stop7h 14m

$324

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/17

10:57 pm-11:53 pm

2 stops23h 56m

Chicago O'Hare Intl

Mon 10/20

6:35 am-12:49 pm

1 stop7h 14m

$344

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 10/15

5:56 pm-11:59 pm

1 stop5h 03m

Chicago O'Hare Intl

Sun 10/19

5:01 am-9:48 am

1 stop5h 47m

$352

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 10/7

4:15 pm-6:24 am

1 stop13h 09m

Chicago O'Hare Intl

Tue 10/14

6:00 am-3:38 pm

1 stop10h 38m

$356

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/24

1:11 pm-5:28 pm

Nonstop3h 17m

Chicago O'Hare Intl

Mon 10/27

9:45 am-12:25 pm

Nonstop3h 40m

$371

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/24

1:11 pm-5:28 pm

Nonstop3h 17m

Chicago O'Hare Intl

Mon 10/27

6:45 am-12:41 pm

1 stop6h 56m

$381

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 10/9

5:00 am-11:28 am

1 stop5h 28m

Chicago O'Hare Intl

Mon 10/13

5:01 am-9:48 am

1 stop5h 47m

$431

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Idaho Falls to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Tuesday when prices can be found for as low as $331. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Idaho Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $631.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Idaho Falls in the morning is the least expensive time of day to depart. momondo users have found prices as low as $412 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around $652. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

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

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

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

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

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

Best Price Found

$297

Fastest flight time

3h 14m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Chicago O'Hare Intl Airport from Idaho Falls in the past 72 hours is $297. The best round-trip flight deal from Idaho Falls to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $409.
The fastest flight from Idaho Falls to Chicago O'Hare Intl Airport takes 3h 14m
Direct flights go from Idaho Falls to Chicago O'Hare Intl Airport on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

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

    The distance between Idaho Falls Fanning Field and Chicago O'Hare Intl is about 1223.9 mi. By plane, this route typically takes 3h 14m.

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

    Prices for flights from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Idaho Falls to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $323Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $361Free CancellationRating
7.4
8,923 reviews
Search United Airlines flights

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

    The lowest priced American Airlines flight from Idaho Falls to Chicago O'Hare Intl Airport from the last 72 hours was $323. Generally, American Airlines has 7 flights on this route every week with an average price of $396. American Airlines is rated 7.2/10 by our users.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Rockford
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Orland Park
Tinley Park
Elgin
Aurora
Janesville
Benton Harbor

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho Falls to Chicago. momondo saves you time and could save you money on your trip.

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

Flights from Idaho Falls to Chicago 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 Idaho Falls to Chicago?

Once all potential Idaho Falls to Chicago 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 Idaho Falls to Chicago right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Idaho Falls and alert you when they change.

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