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Cheap flights from Idaho Falls to Chicago from $135

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 8/3. 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 Idaho Falls to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:58 pm - 6:35 pm
IDA
-
ORD
3h 37mnonstop
American Airlines Logo
10:45 am - 1:28 pm
ORD
-
IDA
3h 43mnonstop
$271American Airlines
Wed, Sep 16 - Tue, Sep 22
Delta Logo
6:00 am - 12:00 pm
IDA
-
ORD
5h 00m
1 stop
Delta Logo
7:48 am - 2:35 pm
ORD
-
IDA
7h 47m
1 stop
$291Delta
Sat, Aug 1 - Wed, Aug 12
Delta Logo
6:00 am - 11:59 am
IDA
-
ORD
4h 59m
1 stop
Delta Logo
11:22 am - 10:32 pm
ORD
-
IDA
12h 10m
2 stops
$296Delta
Tue, Aug 25 - Tue, Sep 1
American Airlines Logo
2:20 pm - 12:18 am
IDA
-
ORD
8h 58m
1 stop
American Airlines Logo
10:35 am - 1:09 pm
ORD
-
IDA
3h 34mnonstop
$300American Airlines
Fri, Aug 28 - Wed, Sep 2
United Airlines Logo
5:57 pm - 11:57 pm
IDA
-
ORD
5h 00m
1 stop
United Airlines Logo
5:00 am - 9:28 am
ORD
-
IDA
5h 28m
1 stop
$306United Airlines
Wed, Nov 4 - Tue, Nov 10
Multiple Airlines Logo
10:47 pm - 5:37 am
IDA
-
ORD
29h 50m
1 stop
Multiple Airlines Logo
5:30 pm - 8:58 am
ORD
-
IDA
40h 28m
2 stops
$307Multiple Airlines
Mon, Aug 3 - Tue, Aug 11
Alaska Airlines Logo
1:46 pm - 11:59 pm
IDA
-
ORD
9h 13m
1 stop
Alaska Airlines Logo
3:59 pm - 11:42 pm
ORD
-
IDA
8h 43m
1 stop
$310Alaska Airlines
Sat, Oct 31 - Wed, Nov 4
Delta Logo
6:00 am - 11:59 am
IDA
-
ORD
4h 59m
1 stop
Delta Logo
1:59 pm - 10:32 pm
ORD
-
IDA
9h 33m
2 stops
$315Delta
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
4:14 pm - 12:44 am
IDA
-
ORD
7h 30m
1 stop
United Airlines Logo
9:00 am - 11:45 am
ORD
-
IDA
3h 45mnonstop
$319United Airlines
Thu, Jul 2 - Sat, Jul 4
Multiple Airlines Logo
10:47 pm - 5:37 am
IDA
-
ORD
29h 50m
1 stop
Multiple Airlines Logo
5:30 pm - 8:59 am
ORD
-
IDA
40h 29m
2 stops
$320Multiple Airlines
Mon, Aug 3 - Wed, Aug 12

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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
Nov 4
IDA5:57 pmIdaho Falls Fanning Field
5h 00m
1 stop
ORD11:57 pmChicago O'Hare Intl
Nov 10
ORD5:00 amChicago O'Hare Intl
5h 28m
1 stop
IDA9:28 amIdaho Falls Fanning Field
$306
United Airlines
Jul 2
IDA4:14 pmIdaho Falls Fanning Field
7h 30m
1 stop
ORD12:44 amChicago O'Hare Intl
Jul 4
ORD9:00 amChicago O'Hare Intl
3h 45m
IDA11:45 amIdaho Falls Fanning Field
$319
United Airlines
Aug 28
IDA4:04 pmIdaho Falls Fanning Field
5h 42m
1 stop
ORD10:46 pmChicago O'Hare Intl
Sep 2
ORD7:00 amChicago O'Hare Intl
7h 29m
1 stop
IDA1:29 pmIdaho Falls Fanning Field
$325

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 31
IDA1:46 pmIdaho Falls Fanning Field
9h 13m
1 stop
ORD11:59 pmChicago O'Hare Intl
Nov 4
ORD3:59 pmChicago O'Hare Intl
8h 43m
1 stop
IDA11:42 pmIdaho Falls Fanning Field
$310
Alaska Airlines
Sep 15
IDA6:18 amIdaho Falls Fanning Field
7h 36m
1 stop
ORD2:54 pmChicago O'Hare Intl
Sep 19
ORD4:08 pmChicago O'Hare Intl
7h 48m
1 stop
IDA10:56 pmIdaho Falls Fanning Field
$374
Alaska Airlines
Jun 14
IDA7:15 amIdaho Falls Fanning Field
8h 29m
1 stop
ORD4:44 pmChicago O'Hare Intl
Jul 14
ORD8:20 pmChicago O'Hare Intl
20h 17m
1 stop
IDA3:37 pmIdaho Falls Fanning Field
$542

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 June 11, 2026.
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

Cheapest round-trip
Quickest round-trip

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 9/16

1:58 pm-6:35 pm

Nonstop3h 37m

Chicago O'Hare Intl

Tue 9/22

10:45 am-1:28 pm

Nonstop3h 43m

$271

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 8/1

6:00 am-12:00 pm

1 stop5h 00m

Chicago O'Hare Intl

Wed 8/12

7:48 am-2:35 pm

1 stop7h 47m

$291

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 8/25

6:00 am-11:59 am

1 stop4h 59m

Chicago O'Hare Intl

Tue 9/1

11:22 am-10:32 pm

2 stops12h 10m

$296

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 8/28

2:20 pm-12:18 am

1 stop8h 58m

Chicago O'Hare Intl

Wed 9/2

10:35 am-1:09 pm

Nonstop3h 34m

$300

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 11/4

5:57 pm-11:57 pm

1 stop5h 00m

Chicago O'Hare Intl

Tue 11/10

5:00 am-9:28 am

1 stop5h 28m

$306

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 8/3

10:47 pm-5:37 am

1 stop29h 50m

Chicago O'Hare Intl

Tue 8/11

5:30 pm-8:58 am

2 stops40h 28m

$307

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 10/31

1:46 pm-11:59 pm

1 stop9h 13m

Chicago O'Hare Intl

Wed 11/4

3:59 pm-11:42 pm

1 stop8h 43m

$310

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 8/28

6:00 am-11:59 am

1 stop4h 59m

Chicago O'Hare Intl

Tue 9/1

1:59 pm-10:32 pm

2 stops9h 33m

$315

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 7/2

4:14 pm-12:44 am

1 stop7h 30m

Chicago O'Hare Intl

Sat 7/4

9:00 am-11:45 am

Nonstop3h 45m

$319

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 8/3

10:47 pm-5:37 am

1 stop29h 50m

Chicago O'Hare Intl

Wed 8/12

5:30 pm-8:59 am

2 stops40h 29m

$320

Flights are sorted by cheapest round-trip flights first.

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

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 typical price of a round-trip flight between Idaho Falls and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Idaho Falls averaging around $386.

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 $409. 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 $768.

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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $479 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $509. 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 to Chicago O'Hare Intl Airport flights?

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

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

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

$278

Fastest flight time

3h 17m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Idaho Falls in the past 72 hours is $278. The best round-trip flight deal from Idaho Falls to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $486.
The fastest flight from Idaho Falls to Chicago O'Hare Intl Airport takes 3h 17m
Direct flights go from Idaho Falls to Chicago O'Hare Intl Airport every day.
Search flight deals

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

  • 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 17m.

  • 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
DeltaPriceFrom $144Free CancellationRating
7.9
8,399 reviews
Search Delta flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,805 reviews
Search United Airlines flights
American AirlinesPriceFrom $331Free CancellationRating
7.1
11,640 reviews
Search American 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 $331. Generally, American Airlines has 7 flights on this route every week with an average price of $426. American Airlines is rated 7.1/10 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
Schaumburg
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
New Buffalo
Oak Brook
Kenosha
Joliet
Aurora
Racine
Janesville
Hammond
Evanston
Elgin
Tinley Park

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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