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Cheap flights from Idaho 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 to Chicago departing on 5/27. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:33 pm - 8:37 pm
GEG
-
ORD
6h 04m
1 stop
Multiple Airlines Logo
9:00 am - 9:45 pm
ORD
-
GEG
14h 45m
1 stop
$278Multiple Airlines
Wed, Jun 3 - Sat, Jun 6
Frontier Logo
1:22 pm - 8:37 pm
BOI
-
ORD
6h 15m
1 stop
Frontier Logo
9:42 pm - 12:30 pm
ORD
-
BOI
15h 48m
1 stop
$280Frontier
Tue, May 19 - Mon, May 25
Alaska Airlines Logo
2:57 pm - 11:59 pm
BOI
-
ORD
8h 02m
1 stop
Alaska Airlines Logo
3:52 pm - 11:02 pm
ORD
-
BOI
8h 10m
1 stop
$288Alaska Airlines
Sat, May 2 - Sat, May 9
Alaska Airlines Logo
2:57 pm - 11:59 pm
BOI
-
ORD
8h 02m
1 stop
Alaska Airlines Logo
6:00 am - 1:52 pm
ORD
-
BOI
8h 52m
1 stop
$295Alaska Airlines
Tue, May 5 - Wed, May 6
American Airlines Logo
1:22 pm - 7:19 pm
GEG
-
ORD
3h 57mnonstop
American Airlines Logo
10:30 am - 12:32 pm
ORD
-
GEG
4h 02mnonstop
$297American Airlines
Tue, Apr 28 - Tue, May 5
Delta Logo
12:42 pm - 9:18 pm
SUN
-
ORD
7h 36m
1 stop
Delta Logo
7:35 am - 2:54 pm
ORD
-
SUN
8h 19m
1 stop
$297Delta
Sat, Apr 25 - Sat, May 2
Delta Logo
3:34 pm - 9:18 pm
SUN
-
ORD
4h 44m
1 stop
Delta Logo
8:50 am - 2:54 pm
ORD
-
SUN
7h 04m
2 stops
$302Delta
Sat, Apr 25 - Sat, May 2
American Airlines Logo
1:22 pm - 7:19 pm
GEG
-
ORD
3h 57mnonstop
American Airlines Logo
10:30 am - 12:32 pm
ORD
-
GEG
4h 02mnonstop
$307American Airlines
Thu, Apr 23 - Wed, Apr 29
United Airlines Logo
4:10 pm - 12:44 am
IDA
-
ORD
7h 34m
1 stop
United Airlines Logo
5:00 am - 9:50 am
ORD
-
IDA
5h 50m
1 stop
$329United Airlines
Wed, Jul 1 - Sun, Jul 5
United Airlines Logo
4:23 pm - 11:19 pm
JAC
-
ORD
5h 56m
1 stop
United Airlines Logo
4:21 pm - 6:42 pm
ORD
-
JAC
3h 21mnonstop
$356United Airlines
Thu, Jul 9 - Sun, Jul 12

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

Our best American Airlines deals on Idaho to Chicago O'Hare Intl Airport flight tickets
American Airlines
Apr 28
GEG1:22 pmSpokane
3h 57m
ORD7:19 pmChicago O'Hare Intl
May 5
ORD10:30 amChicago O'Hare Intl
4h 02m
GEG12:32 pmSpokane
$297
American Airlines
Apr 23
GEG1:22 pmSpokane
3h 57m
ORD7:19 pmChicago O'Hare Intl
Apr 29
ORD10:30 amChicago O'Hare Intl
4h 02m
GEG12:32 pmSpokane
$307
American Airlines
Apr 23
GEG1:22 pmSpokane
3h 57m
ORD7:19 pmChicago O'Hare Intl
Apr 29
ORD10:30 amChicago O'Hare Intl
4h 02m
GEG12:32 pmSpokane
$309

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
Jul 1
IDA4:10 pmIdaho Falls Fanning Field
7h 34m
1 stop
ORD12:44 amChicago O'Hare Intl
Jul 5
ORD5:00 amChicago O'Hare Intl
5h 50m
1 stop
IDA9:50 amIdaho Falls Fanning Field
$329
United Airlines
Jun 30
BOI5:46 pmBoise Air Term. Gowen Fld
5h 58m
1 stop
ORD12:44 amChicago O'Hare Intl
Jul 7
ORD8:40 amChicago O'Hare Intl
3h 52m
BOI11:32 amBoise Air Term. Gowen Fld
$353
United Airlines
Jul 9
JAC4:23 pmJackson Hole
5h 56m
1 stop
ORD11:19 pmChicago O'Hare Intl
Jul 12
ORD4:21 pmChicago O'Hare Intl
3h 21m
JAC6:42 pmJackson Hole
$356

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 April 3, 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

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 6/3

12:33 pm-8:37 pm

1 stop6h 04m

Chicago O'Hare Intl

Sat 6/6

9:00 am-9:45 pm

1 stop14h 45m

$278

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 5/19

1:22 pm-8:37 pm

1 stop6h 15m

Chicago O'Hare Intl

Mon 5/25

9:42 pm-12:30 pm

1 stop15h 48m

$280

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 5/2

2:57 pm-11:59 pm

1 stop8h 02m

Chicago O'Hare Intl

Sat 5/9

3:52 pm-11:02 pm

1 stop8h 10m

$288

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 5/5

2:57 pm-11:59 pm

1 stop8h 02m

Chicago O'Hare Intl

Wed 5/6

6:00 am-1:52 pm

1 stop8h 52m

$295
Quickest round-trip

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 4/28

1:22 pm-7:19 pm

Nonstop3h 57m

Chicago O'Hare Intl

Tue 5/5

10:30 am-12:32 pm

Nonstop4h 02m

$297

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Sat 4/25

12:42 pm-9:18 pm

1 stop7h 36m

Chicago O'Hare Intl

Sat 5/2

7:35 am-2:54 pm

1 stop8h 19m

$297

HaileyChicago

SUN - ORD

SUNORD

Hailey Sun Valley-Friedman

Sat 4/25

3:34 pm-9:18 pm

1 stop4h 44m

Chicago O'Hare Intl

Sat 5/2

8:50 am-2:54 pm

2 stops7h 04m

$302

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Thu 4/23

1:22 pm-7:19 pm

Nonstop3h 57m

Chicago O'Hare Intl

Wed 4/29

10:30 am-12:32 pm

Nonstop4h 02m

$307

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 7/1

4:10 pm-12:44 am

1 stop7h 34m

Chicago O'Hare Intl

Sun 7/5

5:00 am-9:50 am

1 stop5h 50m

$329

JacksonChicago

JAC - ORD

JACORD

Jackson Hole

Thu 7/9

4:23 pm-11:19 pm

1 stop5h 56m

Chicago O'Hare Intl

Sun 7/12

4:21 pm-6:42 pm

Nonstop3h 21m

$356

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 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 September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Idaho averaging around $345.

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 $475. 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 $755.

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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $432 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $636. 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 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 $388 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 $237 on momondo.

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

There are 4 cabin classes available to choose from on Idaho 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.

Can stopping save me money on Idaho to Chicago O'Hare Intl Airport flights?

You could potentially save up to 5% on your flight if you consider stops on a Idaho to Chicago O'Hare Intl Airport flight.

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

$197

Fastest flight time

2h 57m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Idaho in the past 72 hours is $197. The best round-trip flight deal from Idaho to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $409.
The fastest flight from Idaho to Chicago O'Hare Intl Airport takes 2h 57m
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 $87Free CancellationRating
7.9
8,374 reviews
Search Delta flights
United AirlinesPriceFrom $231Free CancellationRating
7.4
9,538 reviews
Search United Airlines flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,344 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $260Free CancellationRating
7.9
12,157 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $261Free CancellationRating
7.1
11,551 reviews
Search American 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
New Buffalo
Orland Park
Kenosha
Oak Brook
Joliet
Janesville
Aurora
Racine
Hammond
Elgin
Tinley Park
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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