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Cheap flights from Idaho to Chicago from $122

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 to Chicago departing on 9/29. 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 to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:50 pm - 6:24 pm
IDA
-
ORD
3h 34mnonstop
American Airlines Logo
10:30 am - 1:20 pm
ORD
-
IDA
3h 50mnonstop
$290American Airlines
Thu, Oct 22 - Tue, Oct 27
United Airlines Logo
4:04 pm - 10:46 pm
IDA
-
ORD
5h 42m
1 stop
United Airlines Logo
10:55 am - 3:23 pm
ORD
-
IDA
5h 28m
1 stop
$291United Airlines
Tue, Aug 25 - Sat, Aug 29
American Airlines Logo
2:29 pm - 8:32 pm
GEG
-
ORD
4h 03mnonstop
American Airlines Logo
11:30 am - 1:39 pm
ORD
-
GEG
4h 09mnonstop
$297American Airlines
Wed, Jul 29 - Tue, Aug 4
United Airlines Logo
4:04 pm - 11:59 pm
IDA
-
ORD
6h 55m
1 stop
United Airlines Logo
9:00 am - 11:38 am
ORD
-
IDA
3h 38mnonstop
$297United Airlines
Sat, Aug 29 - Sat, Sep 5
United Airlines Logo
4:04 pm - 10:46 pm
IDA
-
ORD
5h 42m
1 stop
United Airlines Logo
9:00 am - 11:38 am
ORD
-
IDA
3h 38mnonstop
$298United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
4:04 pm - 11:59 pm
IDA
-
ORD
6h 55m
1 stop
United Airlines Logo
5:00 am - 9:51 am
ORD
-
IDA
5h 51m
1 stop
$301United Airlines
Sat, Aug 29 - Sat, Sep 5
Delta Logo
6:16 am - 5:40 pm
GEG
-
ORD
9h 24m
1 stop
Delta Logo
5:56 pm - 11:59 pm
ORD
-
GEG
8h 03m
1 stop
$317Delta
Wed, Aug 5 - Wed, Aug 12
Delta Logo
6:16 am - 5:40 pm
GEG
-
ORD
9h 24m
1 stop
Delta Logo
2:00 pm - 9:16 pm
ORD
-
GEG
9h 16m
2 stops
$322Delta
Wed, Aug 5 - Wed, Aug 12
Alaska Airlines Logo
6:00 am - 7:21 pm
GEG
-
ORD
11h 21m
1 stop
Alaska Airlines Logo
6:00 am - 12:39 pm
ORD
-
GEG
8h 39m
1 stop
$328Alaska Airlines
Wed, Sep 23 - Fri, Sep 25
Alaska Airlines Logo
6:49 pm - 1:22 pm
BOI
-
ORD
17h 33m
1 stop
Alaska Airlines Logo
6:01 am - 2:02 pm
ORD
-
BOI
9h 01m
1 stop
$344Alaska Airlines
Wed, Aug 19 - Tue, Aug 25

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Delta flights from Idaho to Chicago O'Hare Intl Airport

Our best Delta deals on Idaho to Chicago O'Hare Intl Airport flight tickets
Delta
Aug 22
IDA6:00 amIdaho Falls Fanning Field
4h 59m
1 stop
ORD11:59 amChicago O'Hare Intl
Aug 26
ORD2:00 pmChicago O'Hare Intl
5h 20m
1 stop
IDA6:20 pmIdaho Falls Fanning Field
$291
Delta
Aug 22
IDA6:00 amIdaho Falls Fanning Field
4h 59m
1 stop
ORD11:59 amChicago O'Hare Intl
Aug 24
ORD7:48 amChicago O'Hare Intl
7h 47m
1 stop
IDA2:35 pmIdaho Falls Fanning Field
$310
Delta
Aug 22
IDA6:00 amIdaho Falls Fanning Field
4h 59m
1 stop
ORD11:59 amChicago O'Hare Intl
Aug 28
ORD1:59 pmChicago O'Hare Intl
9h 33m
2 stops
IDA10:32 pmIdaho Falls Fanning Field
$315

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

Our best United Airlines deals on Idaho to Chicago O'Hare Intl Airport flight tickets
United Airlines
Aug 29
IDA4:04 pmIdaho Falls Fanning Field
6h 55m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 5
ORD9:00 amChicago O'Hare Intl
3h 38m
IDA11:38 amIdaho Falls Fanning Field
$297
United Airlines
Aug 25
IDA4:04 pmIdaho Falls Fanning Field
5h 42m
1 stop
ORD10:46 pmChicago O'Hare Intl
Aug 29
ORD9:00 amChicago O'Hare Intl
3h 38m
IDA11:38 amIdaho Falls Fanning Field
$298
United Airlines
Aug 29
IDA4:04 pmIdaho Falls Fanning Field
6h 55m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 5
ORD5:00 amChicago O'Hare Intl
5h 51m
1 stop
IDA9:51 amIdaho Falls Fanning Field
$301

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 July 5, 2026.
Use the filters below to find and compare flights from Idaho 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

Thu 10/22

1:50 pm-6:24 pm

Nonstop3h 34m

Chicago O'Hare Intl

Tue 10/27

10:30 am-1:20 pm

Nonstop3h 50m

$290

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 8/25

4:04 pm-10:46 pm

1 stop5h 42m

Chicago O'Hare Intl

Sat 8/29

10:55 am-3:23 pm

1 stop5h 28m

$291

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 7/29

2:29 pm-8:32 pm

Nonstop4h 03m

Chicago O'Hare Intl

Tue 8/4

11:30 am-1:39 pm

Nonstop4h 09m

$297

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 8/29

4:04 pm-11:59 pm

1 stop6h 55m

Chicago O'Hare Intl

Sat 9/5

9:00 am-11:38 am

Nonstop3h 38m

$297

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 8/25

4:04 pm-10:46 pm

1 stop5h 42m

Chicago O'Hare Intl

Sat 8/29

9:00 am-11:38 am

Nonstop3h 38m

$298

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 8/29

4:04 pm-11:59 pm

1 stop6h 55m

Chicago O'Hare Intl

Sat 9/5

5:00 am-9:51 am

1 stop5h 51m

$301

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 8/5

6:16 am-5:40 pm

1 stop9h 24m

Chicago O'Hare Intl

Wed 8/12

5:56 pm-11:59 pm

1 stop8h 03m

$317

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 8/5

6:16 am-5:40 pm

1 stop9h 24m

Chicago O'Hare Intl

Wed 8/12

2:00 pm-9:16 pm

2 stops9h 16m

$322

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 9/23

6:00 am-7:21 pm

1 stop11h 21m

Chicago O'Hare Intl

Fri 9/25

6:00 am-12:39 pm

1 stop8h 39m

$328

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 8/19

6:49 pm-1:22 pm

1 stop17h 33m

Chicago O'Hare Intl

Tue 8/25

6:01 am-2:02 pm

1 stop9h 01m

$344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

How to get the cheapest flight ticket from Idaho 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 month to fly to Chicago O'Hare Intl Airport?

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Idaho averaging around $168.

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 Thursday when prices can be found for as low as $491. 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 because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $705.

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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $435 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $645. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Boise Air Term. Gowen Fld to Chicago O'Hare Intl for the best Idaho - Chicago O'Hare Intl flight prices

How far in advance should I book a flight from Idaho to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Idaho for as low as $320 on momondo.

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

There are 4 cabin classes available to choose from on Idaho 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 to Chicago O'Hare Intl Airport flights?

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

Cheap Idaho to Chicago O'Hare Intl Airport flight deals and tips

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

Best Price Found

$266

Fastest flight time

3h 09m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Idaho in the past 72 hours is $266. The best round-trip flight deal from Idaho to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $400.
The fastest flight from Idaho to Chicago O'Hare Intl Airport takes 3h 09m
Direct flights go from Idaho to Chicago O'Hare Intl Airport every day.
Search flight deals

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

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

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

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

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

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

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport. 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 to Chicago O'Hare Intl Airport?

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

Compare and see reviews for airlines that fly from Idaho to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $228Free CancellationRating
7.8
8,451 reviews
Search Delta flights
SouthwestPriceFrom $242Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,933 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.1
11,779 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $298Free CancellationRating
7.9
12,623 reviews
Search Alaska Airlines flights

Traveling to a place near Chicago?

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

Why use momondo?

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

Finding the right flight to Chicago from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

Yes. All flights to Chicago from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho to Chicago?

Once you have performed a search for Idaho to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Idaho to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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