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Cheap flights from Idaho Falls to Chicago from $119

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 4/14. 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
0 bags

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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
2:18 pm - 10:45 pm
IDA
-
ORD
7h 27m
1 stop
American Airlines Logo
7:00 am - 1:48 pm
ORD
-
IDA
7h 48m
1 stop
$269American Airlines
Sat, Mar 7 - Tue, Mar 10
Delta Logo
5:25 am - 12:19 pm
IDA
-
ORD
5h 54m
1 stop
Delta Logo
7:15 am - 12:22 pm
ORD
-
IDA
6h 07m
1 stop
$289Delta
Fri, Feb 27 - Wed, Mar 4
American Airlines Logo
2:18 pm - 10:31 pm
IDA
-
ORD
7h 13m
1 stop
American Airlines Logo
5:00 am - 1:48 pm
ORD
-
IDA
9h 48m
1 stop
$319American Airlines
Fri, Feb 27 - Thu, Mar 5
Alaska Airlines Logo
9:00 am - 5:10 pm
IDA
-
ORD
7h 10m
1 stop
Alaska Airlines Logo
3:35 pm - 10:59 pm
ORD
-
IDA
8h 24m
1 stop
$329Alaska Airlines
Tue, Jan 27 - Sat, Jan 31
Alaska Airlines Logo
5:20 pm - 2:11 pm
IDA
-
ORD
19h 51m
1 stop
Alaska Airlines Logo
1:00 pm - 11:36 pm
ORD
-
IDA
11h 36m
1 stop
$334Alaska Airlines
Fri, Feb 27 - Thu, Mar 5
Delta Logo
5:25 am - 12:19 pm
IDA
-
ORD
5h 54m
1 stop
Delta Logo
1:20 pm - 5:49 pm
ORD
-
IDA
5h 29m
1 stop
$340Delta
Thu, Feb 12 - Mon, Feb 16
Delta Logo
1:10 pm - 9:52 pm
IDA
-
ORD
7h 42m
1 stop
Delta Logo
3:59 pm - 10:20 pm
ORD
-
IDA
7h 21m
2 stops
$345Delta
Sat, Mar 7 - Tue, Mar 10
Alaska Airlines Logo
5:20 pm - 2:58 pm
IDA
-
ORD
20h 38m
2 stops
Alaska Airlines Logo
7:00 am - 4:43 pm
ORD
-
IDA
10h 43m
1 stop
$351Alaska Airlines
Fri, Feb 27 - Wed, Mar 4
Alaska Airlines Logo
5:20 pm - 2:58 pm
IDA
-
ORD
20h 38m
2 stops
Alaska Airlines Logo
7:00 am - 4:43 pm
ORD
-
IDA
10h 43m
1 stop
$367Alaska Airlines
Fri, Feb 27 - Wed, Mar 4
Delta Logo
6:10 am - 12:21 pm
IDA
-
ORD
5h 11m
1 stop
Delta Logo
5:00 pm - 10:14 pm
ORD
-
IDA
6h 14m
1 stop
$401Delta
Sat, May 9 - Sat, May 9

Delta flights from Idaho Falls to Chicago

Our best Delta deals on Idaho Falls to Chicago flight tickets
Delta
Feb 27
IDA5:25 amIdaho Falls Fanning Field
5h 54m
1 stop
ORD12:19 pmChicago O'Hare Intl
Mar 4
ORD7:15 amChicago O'Hare Intl
6h 07m
1 stop
IDA12:22 pmIdaho Falls Fanning Field
$289
Delta
Feb 12
IDA5:25 amIdaho Falls Fanning Field
5h 54m
1 stop
ORD12:19 pmChicago O'Hare Intl
Feb 16
ORD1:20 pmChicago O'Hare Intl
5h 29m
1 stop
IDA5:49 pmIdaho Falls Fanning Field
$340
Delta
Mar 7
IDA1:10 pmIdaho Falls Fanning Field
7h 42m
1 stop
ORD9:52 pmChicago O'Hare Intl
Mar 10
ORD3:59 pmChicago O'Hare Intl
7h 21m
2 stops
IDA10:20 pmIdaho Falls Fanning Field
$345

Alaska Airlines flights from Idaho Falls to Chicago

Our best Alaska Airlines deals on Idaho Falls to Chicago flight tickets
Alaska Airlines
Jan 27
IDA9:00 amIdaho Falls Fanning Field
7h 10m
1 stop
ORD5:10 pmChicago O'Hare Intl
Jan 31
ORD3:35 pmChicago O'Hare Intl
8h 24m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
$329
Alaska Airlines
Feb 27
IDA5:20 pmIdaho Falls Fanning Field
19h 51m
1 stop
ORD2:11 pmChicago O'Hare Intl
Mar 5
ORD1:00 pmChicago O'Hare Intl
11h 36m
1 stop
IDA11:36 pmIdaho Falls Fanning Field
$334
Alaska Airlines
Feb 27
IDA5:20 pmIdaho Falls Fanning Field
20h 38m
2 stops
ORD2:58 pmChicago O'Hare Intl
Mar 4
ORD7:00 amChicago O'Hare Intl
10h 43m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
$351

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Chicago 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 January 13, 2026.
Use the filters below to find and compare flights from Idaho Falls to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 3/7

2:18 pm-10:45 pm

1 stop7h 27m

Chicago O'Hare Intl

Tue 3/10

7:00 am-1:48 pm

1 stop7h 48m

$269

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 2/27

5:25 am-12:19 pm

1 stop5h 54m

Chicago O'Hare Intl

Wed 3/4

7:15 am-12:22 pm

1 stop6h 07m

$289

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 2/27

2:18 pm-10:31 pm

1 stop7h 13m

Chicago O'Hare Intl

Thu 3/5

5:00 am-1:48 pm

1 stop9h 48m

$319

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 1/27

9:00 am-5:10 pm

1 stop7h 10m

Chicago O'Hare Intl

Sat 1/31

3:35 pm-10:59 pm

1 stop8h 24m

$329

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 2/27

5:20 pm-2:11 pm

1 stop19h 51m

Chicago O'Hare Intl

Thu 3/5

1:00 pm-11:36 pm

1 stop11h 36m

$334

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 2/12

5:25 am-12:19 pm

1 stop5h 54m

Chicago O'Hare Intl

Mon 2/16

1:20 pm-5:49 pm

1 stop5h 29m

$340

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 3/7

1:10 pm-9:52 pm

1 stop7h 42m

Chicago O'Hare Intl

Tue 3/10

3:59 pm-10:20 pm

2 stops7h 21m

$345

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 2/27

5:20 pm-2:58 pm

2 stops20h 38m

Chicago O'Hare Intl

Wed 3/4

7:00 am-4:43 pm

1 stop10h 43m

$351

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 2/27

5:20 pm-2:58 pm

2 stops20h 38m

Chicago O'Hare Intl

Wed 3/4

7:00 am-4:43 pm

1 stop10h 43m

$367

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 5/9

6:10 am-12:21 pm

1 stop5h 11m

Chicago O'Hare Intl

Sat 5/9

5:00 pm-10:14 pm

1 stop6h 14m

$401

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 Chicago from

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

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?

The cheapest day to depart on your flight to Chicago 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. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Idaho Falls to Chicago for around $631.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the morning. Flights from Idaho Falls to Chicago during this time can be as low as $416. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $426.

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

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

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

There are 2 cabin classes available to choose from on Idaho Falls Fanning Field to Chicago 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 flights?

You could potentially save up to 11% on your flight if you consider stops on a Idaho Falls to Chicago flight.

When to book flights from Idaho Falls to Chicago

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

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

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

Best Price Found

$548

Fastest flight time

5h 00m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Chicago

3 airports
The best flight deal from Idaho Falls to Chicago found on momondo in the last 72 hours is $548
The fastest flight from Idaho Falls to Chicago takes 5h 00m
Direct flights go from Idaho Falls to Chicago on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There are 3 airports in Chicago. From Idaho Falls there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

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

    A flight from Idaho Falls Fanning Field to Chicago will travel around 1239.4 mi. Typically, this will take 5h 00m by plane in normal conditions.

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

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

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

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

    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 Idaho Falls Fanning Field Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Idaho Falls to Chicago

Compare and see reviews for airlines that fly from Idaho Falls to Chicago with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
American AirlinesPriceFrom $323Free CancellationRating
7.2
11,118 reviews
Search American Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Munster
Crown Point
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho Falls to Chicago for you.

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 you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Idaho Falls.

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

Price alerts on flights to Chicago from Idaho Falls 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.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport