Cheap flights from Idaho Falls to Chicago from $125

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 10/17. 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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Cheap round-trip flights

Hawaiian Airlines Logo
3:50 pm - 12:24 amIDA-ORD
7h 34m1 stop
Hawaiian Airlines Logo
3:25 pm - 11:59 pmORD-IDA
9h 34m1 stop
$276Hawaiian Airlines
Find Deal
Tue, Oct 28 - Thu, Oct 30
Multiple Airlines Logo
7:40 pm - 7:34 pmIDA-ORD
22h 54m1 stop
Multiple Airlines Logo
4:30 pm - 4:14 pmORD-IDA
24h 44m2 stops
$294Multiple Airlines
Find Deal
Mon, Oct 27 - Thu, Oct 30
Alaska Airlines Logo
3:50 pm - 6:59 pmIDA-ORD
26h 09m2 stops
Alaska Airlines Logo
5:53 pm - 11:59 pmORD-IDA
7h 06m1 stop
$340Alaska Airlines
Find Deal
Tue, Oct 28 - Fri, Oct 31
Alaska Airlines Logo
3:50 pm - 12:24 amIDA-ORD
7h 34m1 stop
Alaska Airlines Logo
8:00 am - 3:13 pmORD-IDA
8h 13m1 stop
$353Alaska Airlines
Find Deal
Fri, Oct 31 - Wed, Nov 5
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
$355United Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
American Airlines Logo
1:11 pm - 5:28 pmIDA-ORD
3h 17mnonstop
American Airlines Logo
5:18 am - 1:28 pmORD-IDA
9h 10m1 stop
$366American Airlines
Find Deal
Fri, Oct 31 - Wed, Nov 5
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
Delta Logo
1:15 pm - 9:43 pmIDA-ORD
7h 28m1 stop
Delta Logo
7:33 am - 12:39 pmORD-IDA
6h 06m1 stop
$376Delta
Find Deal
Fri, Nov 7 - Sat, Nov 15
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
$411United Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
Delta Logo
1:15 pm - 9:43 pmIDA-ORD
7h 28m1 stop
Delta Logo
7:33 am - 12:39 pmORD-IDA
6h 06m1 stop
$425Delta
Find Deal
Fri, Nov 7 - Sun, Nov 9

American Airlines flights from Idaho Falls to Chicago

Our best American Airlines deals on Idaho Falls to Chicago flight tickets
American Airlines
Oct 31
IDA1:11 pmIdaho Falls Fanning Field
3h 17m
ORD5:28 pmChicago O'Hare Intl
Nov 5
ORD5:18 amChicago O'Hare Intl
9h 10m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
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
American Airlines
Oct 28
IDA12:55 pmIdaho Falls Fanning Field
3h 17m
ORD5:12 pmChicago O'Hare Intl
Oct 31
ORD2:57 pmChicago O'Hare Intl
7h 36m
1 stop
IDA9:33 pmIdaho Falls Fanning Field

Delta flights from Idaho Falls to Chicago

Our best Delta deals on Idaho Falls to Chicago flight tickets
Delta
Nov 7
IDA1:15 pmIdaho Falls Fanning Field
7h 28m
1 stop
ORD9:43 pmChicago O'Hare Intl
Nov 15
ORD7:33 amChicago O'Hare Intl
6h 06m
1 stop
IDA12:39 pmIdaho Falls Fanning Field
Delta
Nov 7
IDA1:15 pmIdaho Falls Fanning Field
7h 28m
1 stop
ORD9:43 pmChicago O'Hare Intl
Nov 9
ORD7:33 amChicago O'Hare Intl
6h 06m
1 stop
IDA12:39 pmIdaho Falls Fanning Field
Delta
Nov 7
IDA6:53 pmIdaho Falls Fanning Field
12h 36m
2 stops
ORD8:29 amChicago O'Hare Intl
Nov 15
ORD11:15 amChicago O'Hare Intl
12h 18m
2 stops
IDA10:33 pmIdaho Falls Fanning Field

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 September 17, 2025.
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

Tue 10/28

3:50 pm-12:24 am

1 stop7h 34m

Chicago O'Hare Intl

Thu 10/30

3:25 pm-11:59 pm

1 stop9h 34m

$276

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 10/27

7:40 pm-7:34 pm

1 stop22h 54m

Chicago O'Hare Intl

Thu 10/30

4:30 pm-4:14 pm

2 stops24h 44m

$294

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 10/28

3:50 pm-6:59 pm

2 stops26h 09m

Chicago O'Hare Intl

Fri 10/31

5:53 pm-11:59 pm

1 stop7h 06m

$340

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/31

3:50 pm-12:24 am

1 stop7h 34m

Chicago O'Hare Intl

Wed 11/5

8:00 am-3:13 pm

1 stop8h 13m

$353

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 10/9

5:56 pm-11:59 pm

1 stop5h 03m

Chicago O'Hare Intl

Sun 10/12

5:01 am-9:48 am

1 stop5h 47m

$355

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/31

1:11 pm-5:28 pm

Nonstop3h 17m

Chicago O'Hare Intl

Wed 11/5

5:18 am-1:28 pm

1 stop9h 10m

$366

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 11/7

1:15 pm-9:43 pm

1 stop7h 28m

Chicago O'Hare Intl

Sat 11/15

7:33 am-12:39 pm

1 stop6h 06m

$376

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

$411

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 11/7

1:15 pm-9:43 pm

1 stop7h 28m

Chicago O'Hare Intl

Sun 11/9

7:33 am-12:39 pm

1 stop6h 06m

$425

Flights are sorted by cheapest round-trip flights 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 $410. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $616.

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.

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

$297

Fastest flight time

3h 14m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Chicago

1 airport
The best one-way flight to Chicago from Idaho Falls in the past 72 hours is $297. The best round-trip flight deal from Idaho Falls to Chicago found on momondo in the last 72 hours is $393.
The fastest flight from Idaho Falls to Chicago takes 3h 14m
Direct flights go from Idaho Falls to Chicago on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
  • 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 3h 17m 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
American AirlinesPriceFrom $323Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $361Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
  • American Airlines Flights From Idaho Falls to Chicago

    American Airlines operates around 5 flights from Idaho Falls to Chicago every week. The average price of these flights found in the last 72 hours has been $401, but momondo users have found American Airlines deals from Idaho Falls to Chicago from as low as $323 round-trip. American Airlines has been scored 7.2/10 in 10,000 reviews.

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
Lansing
Portage
Schererville
Valparaiso
Crown Point
Munster
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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1 adult
Fri 10/17
Fri 10/24

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