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Cheap flights from Idaho Falls to Chicago from $105

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 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho Falls to Chicago

Cheap round-trip flights

Delta Logo
3:00 pm - 10:04 pmIDA-ORD
6h 04m1 stop
Delta Logo
6:25 pm - 10:27 pmORD-IDA
5h 02m1 stop
$237Delta
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Sat, Aug 30 - Wed, Sep 3
Delta Logo
6:51 pm - 8:40 amIDA-ORD
12h 49m2 stops
Delta Logo
6:20 pm - 10:25 pmORD-IDA
5h 05m1 stop
$242Delta
Find Deal
Mon, Sep 22 - Sat, Sep 27
Alaska Airlines Logo
3:57 pm - 12:03 amIDA-ORD
7h 06m1 stop
Alaska Airlines Logo
10:00 am - 10:39 pmORD-IDA
13h 39m1 stop
$251Alaska Airlines
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Tue, Sep 16 - Tue, Sep 30
Logo
10:55 pm - 11:51 amIDA-ORD
11h 56m1 stop
Logo
6:15 am - 2:49 pmORD-IDA
9h 34m1 stop
$252
Find Deal
Fri, Sep 5 - Mon, Sep 8
Logo
10:55 pm - 7:50 pmIDA-ORD
19h 55m2 stops
Logo
6:15 am - 2:49 pmORD-IDA
9h 34m1 stop
$284
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Fri, Sep 5 - Mon, Sep 8
American Airlines Logo
1:11 pm - 5:28 pmIDA-ORD
3h 17mnonstop
American Airlines Logo
9:45 am - 12:25 pmORD-IDA
3h 40mnonstop
$311American Airlines
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Fri, Oct 24 - Mon, Oct 27
Alaska Airlines Logo
3:57 pm - 12:03 amIDA-ORD
7h 06m1 stop
Alaska Airlines Logo
8:00 am - 3:20 pmORD-IDA
8h 20m1 stop
$318Alaska Airlines
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Wed, Sep 17 - Sat, Sep 20
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
$321American Airlines
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Fri, Oct 24 - Mon, Oct 27
United Airlines Logo
4:00 pm - 11:59 pmIDA-ORD
6h 59m1 stop
United Airlines Logo
5:01 am - 9:48 amORD-IDA
5h 47m1 stop
$349United Airlines
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Sat, Sep 20 - Fri, Sep 26
United Airlines Logo
5:56 pm - 11:59 pmIDA-ORD
5h 03m1 stop
United Airlines Logo
6:21 pm - 10:48 pmORD-IDA
5h 27m1 stop
$354United Airlines
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Thu, Sep 4 - Wed, Sep 10

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

Our best American Airlines deals on Idaho Falls to Chicago O'Hare Intl Airport flight tickets
American Airlines
Oct 24
IDA1:11 pmIdaho Falls Fanning Field
3h 17m
ORD5:28 pmChicago O'Hare Intl
Oct 27
ORD9:45 amChicago O'Hare Intl
3h 40m
IDA12:25 pmIdaho Falls Fanning Field
$311
Find similar
American Airlines
Oct 24
IDA1:11 pmIdaho Falls Fanning Field
3h 17m
ORD5:28 pmChicago O'Hare Intl
Oct 27
ORD6:45 amChicago O'Hare Intl
6h 56m
1 stop
IDA12:41 pmIdaho Falls Fanning Field
$321
Find similar
American Airlines
Sep 17
IDA12:54 pmIdaho Falls Fanning Field
3h 14m
ORD5:08 pmChicago O'Hare Intl
Sep 20
ORD9:50 amChicago O'Hare Intl
3h 34m
IDA12:24 pmIdaho Falls Fanning Field
$336
Find similar

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

Our best United Airlines deals on Idaho Falls to Chicago O'Hare Intl Airport flight tickets
United Airlines
Sep 20
IDA4:00 pmIdaho Falls Fanning Field
6h 59m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 26
ORD5:01 amChicago O'Hare Intl
5h 47m
1 stop
IDA9:48 amIdaho Falls Fanning Field
$349
Find similar
United Airlines
Sep 4
IDA5:56 pmIdaho Falls Fanning Field
5h 03m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 10
ORD6:21 pmChicago O'Hare Intl
5h 27m
1 stop
IDA10:48 pmIdaho Falls Fanning Field
$354
Find similar
United Airlines
Aug 16
IDA6:03 pmIdaho Falls Fanning Field
5h 27m
1 stop
ORD12:30 amChicago O'Hare Intl
Aug 19
ORD2:53 pmChicago O'Hare Intl
7h 01m
1 stop
IDA8:54 pmIdaho Falls Fanning Field
$399
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 August 4, 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

Sat 8/30

3:00 pm-10:04 pm

1 stop6h 04m

Chicago O'Hare Intl

Wed 9/3

6:25 pm-10:27 pm

1 stop5h 02m

$237

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 9/22

6:51 pm-8:40 am

2 stops12h 49m

Chicago O'Hare Intl

Sat 9/27

6:20 pm-10:25 pm

1 stop5h 05m

$242

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 9/16

3:57 pm-12:03 am

1 stop7h 06m

Chicago O'Hare Intl

Tue 9/30

10:00 am-10:39 pm

1 stop13h 39m

$251

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 9/5

10:55 pm-11:51 am

1 stop11h 56m

Chicago O'Hare Intl

Mon 9/8

6:15 am-2:49 pm

1 stop9h 34m

$252

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 9/5

10:55 pm-7:50 pm

2 stops19h 55m

Chicago O'Hare Intl

Mon 9/8

6:15 am-2:49 pm

1 stop9h 34m

$284

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

$311

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 9/17

3:57 pm-12:03 am

1 stop7h 06m

Chicago O'Hare Intl

Sat 9/20

8:00 am-3:20 pm

1 stop8h 20m

$318

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

$321

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 9/20

4:00 pm-11:59 pm

1 stop6h 59m

Chicago O'Hare Intl

Fri 9/26

5:01 am-9:48 am

1 stop5h 47m

$349

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 9/4

5:56 pm-11:59 pm

1 stop5h 03m

Chicago O'Hare Intl

Wed 9/10

6:21 pm-10:48 pm

1 stop5h 27m

$354

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 $544.

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 $398 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 1 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

$105

Fastest flight time

3h 12m

Direct flights

Mon, 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 $105. The best round-trip flight deal from Idaho Falls to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $237.
The fastest flight from Idaho Falls to Chicago O'Hare Intl Airport takes 3h 12m
Direct flights go from Idaho Falls to Chicago O'Hare Intl Airport on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is American Airlines.
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  • 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 12m.

  • 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
8,912 reviews
Search United Airlines flights

Traveling to a place near Chicago?

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