What is the cheapest airline that flies from Idaho to Chicago?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Idaho to Chicago

How long does it take to fly to Chicago?

Average flight duration from Idaho to Chicago depends on which airport you fly into and out of. Flying from Idaho Falls to Chicago O'Hare Intl Airport is 3h 16m on average, while flying from Boise to Chicago O'Hare Intl Airport is 3h 24m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

What airlines fly to Chicago?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Chicago from Idaho according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 5 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

How many flights depart from Idaho to Chicago on average per day?

As of April 2026, 12 flights take off from Idaho and land in Chicago each day. The most common flight departure time for this route is 12:00PM, with 65% of daily flights taking off in the afternoon.

How many flights depart from Idaho to Chicago on average per week?

As of April 2026, there are 87 flights per week flying from Idaho to Chicago. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

When did momondo last update prices for flights from Idaho to Chicago?

Prices for flights from Idaho to Chicago are updated daily.

How many operators does momondo search for flights from Idaho to Chicago?

The number of operators available for flights from Idaho to Chicago is 5 as of April 2026.

How old do you have to be to fly from Idaho to Chicago?

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.

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

The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$105 Cheap Flights from Idaho to Chicago in 2026

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Find the cheapest flights from Idaho to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:22 pm - 8:32 pm

BOI

ORD

6h 10m

1 stop

9:37 pm - 12:30 pm

ORD

BOI

15h 53m

1 stop

$241Frontier

Sun, May 10 - Sat, May 23

1:25 pm - 8:43 pm

BOI

ORD

6h 18m

1 stop

9:48 pm - 12:30 pm

ORD

BOI

15h 42m

1 stop

$281Frontier

Sun, Jun 14 - Wed, Jun 17

7:01 am - 6:50 pm

GEG

ORD

9h 49m

1 stop

2:10 pm - 9:45 pm

ORD

GEG

9h 35m

1 stop

$286Alaska Airlines

Sat, May 30 - Wed, Jun 3

8:38 pm - 6:20 am

GEG

ORD

7h 42m

1 stop

7:40 am - 1:04 pm

ORD

GEG

7h 24m

1 stop

$289Alaska Airlines

Sat, May 23 - Sun, May 24

1:43 pm - 6:00 pm

IDA

ORD

3h 17mnonstop

9:40 am - 12:20 pm

ORD

IDA

3h 40mnonstop

$290American Airlines

Tue, Oct 6 - Thu, Oct 15

3:25 pm - 9:48 pm

IDA

ORD

5h 23m

1 stop

7:45 am - 2:41 pm

ORD

IDA

7h 56m

1 stop

$291Delta

Wed, Jul 22 - Sat, Jul 25

1:22 pm - 7:19 pm

GEG

ORD

3h 57mnonstop

10:21 am - 12:23 pm

ORD

GEG

4h 02mnonstop

$297American Airlines

Wed, May 6 - Wed, May 13

12:28 pm - 8:43 pm

GEG

ORD

6h 15m

1 stop

7:20 am - 11:45 am

ORD

GEG

6h 25m

1 stop

$303Multiple Airlines

Wed, Jun 10 - Tue, Jun 16

12:33 pm - 8:32 pm

GEG

ORD

5h 59m

1 stop

6:00 am - 11:42 am

ORD

GEG

7h 42m

1 stop

$313Multiple Airlines

Fri, May 15 - Sun, May 24

10:40 pm - 10:00 am

GEG

MDW

9h 20m

1 stop

7:16 pm - 11:16 pm

MDW

GEG

6h 00m

1 stop

$317Delta

Tue, Jun 2 - Wed, Jun 10

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United Airlines flights from Idaho to Chicago

Our best United Airlines deals on Idaho to Chicago flight tickets

United Airlines

May 22

JAC7:30 amJackson Hole

3h 10m

ORD11:40 amChicago O'Hare Intl

May 25

ORD4:21 pmChicago O'Hare Intl

3h 21m

JAC6:42 pmJackson Hole

$319

United Airlines

May 22

JAC12:33 pmJackson Hole

3h 10m

ORD4:43 pmChicago O'Hare Intl

May 25

ORD6:00 amChicago O'Hare Intl

7h 46m

1 stop

JAC12:46 pmJackson Hole

$329

United Airlines

Jul 29

IDA4:10 pmIdaho Falls Fanning Field

7h 34m

1 stop

ORD12:44 amChicago O'Hare Intl

Aug 4

ORD5:00 amChicago O'Hare Intl

5h 50m

1 stop

IDA9:50 amIdaho Falls Fanning Field

$337

Frontier flights from Idaho to Chicago

Our best Frontier deals on Idaho to Chicago flight tickets

Frontier

May 10

BOI1:22 pmBoise Air Term. Gowen Fld

6h 10m

1 stop

ORD8:32 pmChicago O'Hare Intl

May 23

ORD9:37 pmChicago O'Hare Intl

15h 53m

1 stop

BOI12:30 pmBoise Air Term. Gowen Fld

$241

Frontier

Jun 14

BOI1:25 pmBoise Air Term. Gowen Fld

6h 18m

1 stop

ORD8:43 pmChicago O'Hare Intl

Jun 17

ORD9:48 pmChicago O'Hare Intl

15h 42m

1 stop

BOI12:30 pmBoise Air Term. Gowen Fld

$281

Frontier

May 14

BOI1:22 pmBoise Air Term. Gowen Fld

6h 10m

1 stop

ORD8:32 pmChicago O'Hare Intl

May 16

ORD9:37 pmChicago O'Hare Intl

15h 50m

1 stop

BOI12:27 pmBoise Air Term. Gowen Fld

$317

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sun 5/10

1:22 pm-8:32 pm

1 stop6h 10m

Chicago O'Hare Intl

Sat 5/23

9:37 pm-12:30 pm

1 stop15h 53m

$241

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sun 6/14

1:25 pm-8:43 pm

1 stop6h 18m

Chicago O'Hare Intl

Wed 6/17

9:48 pm-12:30 pm

1 stop15h 42m

$281

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 5/30

7:01 am-6:50 pm

1 stop9h 49m

Chicago O'Hare Intl

Wed 6/3

2:10 pm-9:45 pm

1 stop9h 35m

$286

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 5/23

8:38 pm-6:20 am

1 stop7h 42m

Chicago O'Hare Intl

Sun 5/24

7:40 am-1:04 pm

1 stop7h 24m

$289

Quickest round-trip

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 10/6

1:43 pm-6:00 pm

Nonstop3h 17m

Chicago O'Hare Intl

Thu 10/15

9:40 am-12:20 pm

Nonstop3h 40m

$290

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 7/22

3:25 pm-9:48 pm

1 stop5h 23m

Chicago O'Hare Intl

Sat 7/25

7:45 am-2:41 pm

1 stop7h 56m

$291

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 5/6

1:22 pm-7:19 pm

Nonstop3h 57m

Chicago O'Hare Intl

Wed 5/13

10:21 am-12:23 pm

Nonstop4h 02m

$297

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 6/10

12:28 pm-8:43 pm

1 stop6h 15m

Chicago O'Hare Intl

Tue 6/16

7:20 am-11:45 am

1 stop6h 25m

$303

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Fri 5/15

12:33 pm-8:32 pm

1 stop5h 59m

Chicago O'Hare Intl

Sun 5/24

6:00 am-11:42 am

1 stop7h 42m

$313

SpokaneChicago

GEG - MDW

GEGMDW

Spokane

Tue 6/2

10:40 pm-10:00 am

1 stop9h 20m

Chicago Midway

Wed 6/10

7:16 pm-11:16 pm

1 stop6h 00m

$317

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho 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

Prices

Airlines

Other information

What is the cheapest month to fly to Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from Idaho, with most prices found around $324. If you’re not able to fly to Chicago in September, then May is your next best option. Flight prices from Idaho to Chicago during May average around $326.

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 Thursday when prices can be found for as low as $461. 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 to Chicago for around $728.

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 at noon. Flights from Idaho to Chicago during this time can be as low as $425. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $621.

What is the cheapest Idaho to Chicago flight route?

Fly from Hailey Sun Valley-Friedman to Chicago O'Hare Intl for the best Idaho - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $395 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Idaho for as low as $138 on momondo.

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

There are 4 cabin classes available to choose from on Idaho 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 to Chicago flights?

You could potentially save up to 14% on your flight if you consider stops on a Idaho to Chicago flight.

Cheap Idaho to Chicago flight deals and tips

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

Best Price Found	$174
Fastest flight time	2h 57m
Direct flights	Every day
Airports in Chicago	3 airports

The best one-way flight to Chicago from Idaho in the past 72 hours is $174. The best round-trip flight deal from Idaho to Chicago found on momondo in the last 72 hours is $442.

The fastest flight from Idaho to Chicago takes 2h 57m

Direct flights go from Idaho to Chicago every day.

There are 3 airports in Chicago. From Idaho there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Search flight deals

Frequently asked questions about flying from Idaho to Chicago

When did momondo last update prices for flights from Idaho to Chicago?
Prices for flights from Idaho to Chicago are updated daily.
How many operators does momondo search for flights from Idaho to Chicago?
The number of operators available for flights from Idaho to Chicago is 5 as of April 2026.
How old do you have to be to fly from Idaho to Chicago?
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.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Idaho to Chicago?
momondo data reveals that the most frequently booked plane model on the route from Idaho to Chicago is Embraer 175 (Enhanced Winglets), representing 33.66% of all bookings. The subsequent popular models are Boeing 737-800 at 14.00%, Embraer 175 at 12.53%, and Airbus A319 at 12.04%.

Best airlines flying from Idaho to Chicago

Compare and see reviews for airlines that fly from Idaho to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $123	Free Cancellation	Rating 7.9 8,424 reviews	Search Delta flights
Southwest	PriceFrom $233	Free Cancellation	Rating 8.0 4,330 reviews	Search Southwest flights
United Airlines	PriceFrom $239	Free Cancellation	Rating 7.4 9,605 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $260	Free Cancellation	Rating 7.9 12,258 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $261	Free Cancellation	Rating 7.1 11,604 reviews	Search American Airlines flights

Merrillville

New Buffalo

Hammond

Saint Joseph

Benton Harbor

Portage

Lansing

Valparaiso

Munster

Schererville

Crown Point

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Idaho 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 to Chicago for you.

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

momondo does allow users to show only those flights to Chicago from Idaho which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Idaho and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Idaho to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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Fly into one of these airports located in Chicago

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Chicago O'Hare Intl Airport

Chicago Greater Rockford Airport

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 6/10. 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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United Airlines flights from Idaho to Chicago

Our best United Airlines deals on Idaho to Chicago flight tickets

Frontier flights from Idaho to Chicago

Our best Frontier deals on Idaho to Chicago flight tickets

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See travel insights to Chicago from

How to get the cheapest flight ticket from Idaho to Chicago

What is the cheapest month to fly to Chicago?

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

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

What is the cheapest Idaho to Chicago flight route?

How far in advance should I book a flight to Chicago?

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

Can stopping save me money on Idaho to Chicago flights?

What is the cheapest airline that flies from Idaho to Chicago?

What airlines fly to Chicago?

How many flights depart from Idaho to Chicago on average per day?

How many flights depart from Idaho to Chicago on average per week?

How long does it take to fly to Chicago?

Cheap Idaho to Chicago flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

Frequently asked questions about flying from Idaho to Chicago

Best airlines flying from Idaho to Chicago

Compare and see reviews for airlines that fly from Idaho to Chicago with momondo

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago 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.

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

Fly your favorite airline to Chicago

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Chicago

List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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