Cheap flights from Idaho to Chicago from $55

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 9/6. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Idaho to Chicago

Cheap round-trip flights

American Airlines Logo
7:00 am - 12:37 pmGEG-ORD
3h 37mnonstop
American Airlines Logo
10:46 am - 12:44 pmORD-GEG
3h 58mnonstop
$129American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
American Airlines Logo
1:26 pm - 6:14 pmBOI-ORD
3h 48mnonstop
American Airlines Logo
9:56 am - 12:46 pmORD-BOI
3h 50mnonstop
$141American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
United Airlines Logo
12:35 pm - 5:08 pmBOI-ORD
3h 33mnonstop
United Airlines Logo
7:10 am - 1:44 pmORD-BOI
7h 34m1 stop
$147United Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
Delta Logo
4:20 pm - 11:55 pmBOI-ORD
6h 35m1 stop
Delta Logo
2:20 pm - 10:02 pmORD-BOI
8h 42m1 stop
$157Delta
Find Deal
Sat, Oct 4 - Thu, Oct 16
Delta Logo
4:20 pm - 11:51 pmBOI-ORD
6h 31m1 stop
Delta Logo
7:15 am - 3:40 pmORD-BOI
9h 25m1 stop
$159Delta
Find Deal
Sat, Aug 30 - Sat, Sep 6
Alaska Airlines Logo
4:34 pm - 12:03 amBOI-ORD
6h 29m1 stop
Alaska Airlines Logo
6:00 am - 2:36 pmORD-BOI
9h 36m1 stop
$170Alaska Airlines
Find Deal
Mon, Sep 29 - Sat, Oct 11
United Airlines Logo
12:27 pm - 5:00 pmBOI-ORD
3h 33mnonstop
United Airlines Logo
6:15 am - 1:49 pmORD-BOI
8h 34m1 stop
$183United Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
Hawaiian Airlines Logo
3:26 pm - 11:59 pmGEG-ORD
6h 33m1 stop
Hawaiian Airlines Logo
2:07 pm - 6:42 pmORD-GEG
6h 35m1 stop
$187Hawaiian Airlines
Find Deal
Sat, Aug 30 - Wed, Sep 3
Alaska Airlines Logo
2:28 pm - 10:07 pmBOI-ORD
6h 39m1 stop
Alaska Airlines Logo
8:00 am - 3:54 pmORD-BOI
8h 54m1 stop
$191Alaska Airlines
Find Deal
Tue, Sep 23 - Thu, Oct 2
Hawaiian Airlines Logo
8:46 pm - 7:03 amBOI-ORD
9h 17m1 stop
Hawaiian Airlines Logo
8:00 am - 3:00 pmORD-BOI
8h 00m1 stop
$201Hawaiian Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9

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
Oct 25
BOI12:35 pmBoise Air Term. Gowen Fld
3h 33m
ORD5:08 pmChicago O'Hare Intl
Nov 1
ORD7:10 amChicago O'Hare Intl
7h 34m
1 stop
BOI1:44 pmBoise Air Term. Gowen Fld
United Airlines
Sep 2
BOI12:27 pmBoise Air Term. Gowen Fld
3h 33m
ORD5:00 pmChicago O'Hare Intl
Sep 9
ORD6:15 amChicago O'Hare Intl
8h 34m
1 stop
BOI1:49 pmBoise Air Term. Gowen Fld
United Airlines
Oct 4
BOI8:20 amBoise Air Term. Gowen Fld
3h 39m
ORD12:59 pmChicago O'Hare Intl
Oct 16
ORD5:01 amChicago O'Hare Intl
5h 41m
1 stop
BOI9:42 amBoise Air Term. Gowen Fld

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
Oct 4
BOI4:20 pmBoise Air Term. Gowen Fld
6h 35m
1 stop
ORD11:55 pmChicago O'Hare Intl
Oct 16
ORD2:20 pmChicago O'Hare Intl
8h 42m
1 stop
BOI10:02 pmBoise Air Term. Gowen Fld
Delta
Aug 30
BOI4:20 pmBoise Air Term. Gowen Fld
6h 31m
1 stop
ORD11:51 pmChicago O'Hare Intl
Sep 6
ORD7:15 amChicago O'Hare Intl
9h 25m
1 stop
BOI3:40 pmBoise Air Term. Gowen Fld
Delta
Oct 4
BOI7:30 amBoise Air Term. Gowen Fld
8h 50m
1 stop
ORD5:20 pmChicago O'Hare Intl
Oct 7
ORD6:00 pmChicago O'Hare Intl
7h 08m
1 stop
BOI12:08 amBoise Air Term. Gowen Fld

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 August 7, 2025.
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

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 9/9

7:00 am-12:37 pm

Nonstop3h 37m

Chicago O'Hare Intl

Tue 9/16

10:46 am-12:44 pm

Nonstop3h 58m

$129

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 10/18

1:26 pm-6:14 pm

Nonstop3h 48m

Chicago O'Hare Intl

Sat 10/25

9:56 am-12:46 pm

Nonstop3h 50m

$141

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 10/25

12:35 pm-5:08 pm

Nonstop3h 33m

Chicago O'Hare Intl

Sat 11/1

7:10 am-1:44 pm

1 stop7h 34m

$147

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 10/4

4:20 pm-11:55 pm

1 stop6h 35m

Chicago O'Hare Intl

Thu 10/16

2:20 pm-10:02 pm

1 stop8h 42m

$157

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 8/30

4:20 pm-11:51 pm

1 stop6h 31m

Chicago O'Hare Intl

Sat 9/6

7:15 am-3:40 pm

1 stop9h 25m

$159

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Mon 9/29

4:34 pm-12:03 am

1 stop6h 29m

Chicago O'Hare Intl

Sat 10/11

6:00 am-2:36 pm

1 stop9h 36m

$170

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 9/2

12:27 pm-5:00 pm

Nonstop3h 33m

Chicago O'Hare Intl

Tue 9/9

6:15 am-1:49 pm

1 stop8h 34m

$183

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 8/30

3:26 pm-11:59 pm

1 stop6h 33m

Chicago O'Hare Intl

Wed 9/3

2:07 pm-6:42 pm

1 stop6h 35m

$187

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 9/23

2:28 pm-10:07 pm

1 stop6h 39m

Chicago O'Hare Intl

Thu 10/2

8:00 am-3:54 pm

1 stop8h 54m

$191

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 9/2

8:46 pm-7:03 am

1 stop9h 17m

Chicago O'Hare Intl

Tue 9/9

8:00 am-3:00 pm

1 stop8h 00m

$201

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 September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Idaho averaging around $320.

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 Saturday when prices can be found for as low as $587. 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 $973.

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 $368 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $769. 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 $394 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 $251 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?

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

$55

Fastest flight time

3h 06m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Idaho in the past 72 hours is $55. The best round-trip flight deal from Idaho to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $129.
The fastest flight from Idaho to Chicago O'Hare Intl Airport takes 3h 06m
Direct flights go from Idaho to Chicago O'Hare Intl Airport every day.
  • 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 $139Free CancellationRating
8.0
7,985 reviews
Search Delta flights
Alaska AirlinesPriceFrom $217Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
American AirlinesPriceFrom $247Free CancellationRating
7.2
10,000 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
Rockford
Schaumburg
South Haven
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Tinley Park
Elgin
Orland Park
Aurora
Janesville
Benton Harbor

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.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/12
Tue 8/19

Find better results for your trip to Chicago