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 Boise to Chicago O'Hare Intl Airport is 3h 24m on average, while flying from Hailey to Chicago O'Hare Intl Airport is 3h 31m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

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

Alaska Airlines, Southwest, and Delta are the most popular carriers operating from Idaho to 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 41% 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 January 2026, 15 flights take off from Idaho and land in Chicago each day. The most common flight departure time for this route is 12:00PM, with 70% of daily flights taking off in the afternoon.

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

As of January 2026, there are 105 flights per week flying from Idaho to Chicago. The most common day of the week flights depart is Thu, 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 January 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.

$84 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.

12:38 pm - 11:14 pm

BOI

ORD

9h 36m

1 stop

3:54 pm - 10:40 pm

ORD

BOI

7h 46m

1 stop

$184Multiple Airlines

Thu, Feb 26 - Thu, Mar 5

12:22 pm - 11:14 pm

GEG

ORD

8h 52m

1 stop

7:00 am - 12:29 pm

ORD

GEG

7h 29m

1 stop

$198Multiple Airlines

Thu, Feb 19 - Tue, Feb 24

12:38 pm - 11:14 pm

BOI

ORD

9h 36m

1 stop

9:30 am - 11:11 am

ORD

BOI

26h 41m

2 stops

$203Frontier

Thu, Feb 26 - Sat, Feb 28

1:30 pm - 12:12 am

BOI

ORD

9h 42m

1 stop

7:00 am - 12:23 pm

ORD

BOI

6h 23m

1 stop

$210Frontier

Thu, Apr 9 - Sun, Apr 12

7:41 pm - 6:40 am

GEG

ORD

8h 59m

1 stop

6:00 am - 1:23 pm

ORD

GEG

9h 23m

1 stop

$215Alaska Airlines

Tue, May 5 - Tue, May 12

5:40 am - 1:11 pm

BOI

ORD

6h 31m

1 stop

3:54 pm - 10:40 pm

ORD

BOI

7h 46m

1 stop

$229Alaska Airlines

Tue, Mar 3 - Tue, Mar 10

7:10 am - 12:56 pm

GEG

ORD

3h 46mnonstop

7:50 pm - 10:06 pm

ORD

GEG

4h 16mnonstop

$235United Airlines

Tue, Apr 21 - Sat, Apr 25

4:01 pm - 12:30 am

GEG

ORD

6h 29m

1 stop

7:50 pm - 10:06 pm

ORD

GEG

4h 16mnonstop

$245United Airlines

Tue, Apr 21 - Sat, Apr 25

12:25 pm - 6:08 pm

GEG

ORD

3h 43mnonstop

9:45 am - 11:44 am

ORD

GEG

3h 59mnonstop

$252American Airlines

Thu, Feb 19 - Tue, Feb 24

12:41 pm - 5:10 pm

IDA

ORD

3h 29mnonstop

10:36 am - 1:13 pm

ORD

IDA

3h 37mnonstop

$314American Airlines

Wed, Jun 3 - Mon, Jun 8

Southwest flights from Idaho to Chicago

Our best Southwest deals on Idaho to Chicago flight tickets

Southwest

Apr 21

GEG5:10 amSpokane

11h 40m

2 stops

ORD6:50 pmChicago O'Hare Intl

Apr 25

ORD3:05 pmChicago O'Hare Intl

8h 10m

1 stop

GEG9:15 pmSpokane

$257

Southwest

Feb 18

BOI6:05 amBoise Air Term. Gowen Fld

8h 20m

1 stop

ORD3:25 pmChicago O'Hare Intl

Feb 26

ORD3:45 pmChicago O'Hare Intl

9h 25m

1 stop

BOI12:10 amBoise Air Term. Gowen Fld

$275

Southwest

Feb 21

GEG12:20 pmSpokane

9h 30m

1 stop

MDW11:50 pmChicago Midway

Feb 26

MDW8:00 amChicago Midway

9h 20m

1 stop

GEG3:20 pmSpokane

$276

United Airlines flights from Idaho to Chicago

Our best United Airlines deals on Idaho to Chicago flight tickets

United Airlines

Apr 21

GEG7:10 amSpokane

3h 46m

ORD12:56 pmChicago O'Hare Intl

Apr 25

ORD7:50 pmChicago O'Hare Intl

4h 16m

GEG10:06 pmSpokane

$235

United Airlines

Apr 21

GEG4:01 pmSpokane

6h 29m

1 stop

ORD12:30 amChicago O'Hare Intl

Apr 25

ORD7:50 pmChicago O'Hare Intl

4h 16m

GEG10:06 pmSpokane

$245

United Airlines

Feb 19

GEG7:00 amSpokane

3h 50m

ORD12:50 pmChicago O'Hare Intl

Feb 24

ORD10:35 amChicago O'Hare Intl

6h 41m

1 stop

GEG3:16 pmSpokane

$262

Fly from

Fly to

Route

Depart

Return

Price

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 2/26

12:38 pm-11:14 pm

1 stop9h 36m

Chicago O'Hare Intl

Thu 3/5

3:54 pm-10:40 pm

1 stop7h 46m

$184

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Thu 2/19

12:22 pm-11:14 pm

1 stop8h 52m

Chicago O'Hare Intl

Tue 2/24

7:00 am-12:29 pm

1 stop7h 29m

$198

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 2/26

12:38 pm-11:14 pm

1 stop9h 36m

Chicago O'Hare Intl

Sat 2/28

9:30 am-11:11 am

2 stops26h 41m

$203

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 4/9

1:30 pm-12:12 am

1 stop9h 42m

Chicago O'Hare Intl

Sun 4/12

7:00 am-12:23 pm

1 stop6h 23m

$210

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 5/5

7:41 pm-6:40 am

1 stop8h 59m

Chicago O'Hare Intl

Tue 5/12

6:00 am-1:23 pm

1 stop9h 23m

$215

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 3/3

5:40 am-1:11 pm

1 stop6h 31m

Chicago O'Hare Intl

Tue 3/10

3:54 pm-10:40 pm

1 stop7h 46m

$229

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 4/21

7:10 am-12:56 pm

Nonstop3h 46m

Chicago O'Hare Intl

Sat 4/25

7:50 pm-10:06 pm

Nonstop4h 16m

$235

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 4/21

4:01 pm-12:30 am

1 stop6h 29m

Chicago O'Hare Intl

Sat 4/25

7:50 pm-10:06 pm

Nonstop4h 16m

$245

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Thu 2/19

12:25 pm-6:08 pm

Nonstop3h 43m

Chicago O'Hare Intl

Tue 2/24

9:45 am-11:44 am

Nonstop3h 59m

$252

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 6/3

12:41 pm-5:10 pm

Nonstop3h 29m

Chicago O'Hare Intl

Mon 6/8

10:36 am-1:13 pm

Nonstop3h 37m

$314

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 February is, on average, the cheapest month to fly to Chicago from Idaho, with most prices found around $323. If you’re not able to fly to Chicago in February, then September is your next best option. Flight prices from Idaho to Chicago during September average around $324.

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 $472. 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 $750.

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 afternoon. Flights from Idaho to Chicago during this time can be as low as $417. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $664.

What is the cheapest Idaho to Chicago flight route?

Fly from Boise Air Term. Gowen Fld 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 $381 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 $267 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 20% 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	$247
Fastest flight time	3h 11m
Direct flights	Every day
Airports in Chicago	3 airports

The best one-way flight to Chicago from Idaho in the past 72 hours is $247. The best round-trip flight deal from Idaho to Chicago found on momondo in the last 72 hours is $340.

The fastest flight from Idaho to Chicago takes 3h 11m

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

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 January 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 30.00% of all bookings. The subsequent popular models are Embraer 175 at 25.56%, Airbus A320-100/200 at 11.48%, and Airbus A319 at 10.74%.

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 $134	Free Cancellation	Rating 7.9 8,039 reviews	Search Delta flights
United Airlines	PriceFrom $229	Free Cancellation	Rating 7.4 9,149 reviews	Search United Airlines flights
Southwest	PriceFrom $233	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
American Airlines	PriceFrom $249	Free Cancellation	Rating 7.2 11,114 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $260	Free Cancellation	Rating 8.0 11,696 reviews	Search Alaska Airlines flights

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Munster

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.

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.

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Find better results for your trip to the United States

Cheap flights from Idaho to Chicago from $84

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 2/12. 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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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Idaho to Chicago

Cheap round-trip flights

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Southwest flights from Idaho to Chicago

Our best Southwest deals on Idaho to Chicago flight tickets

United Airlines flights from Idaho to Chicago

Our best United Airlines deals on Idaho to Chicago flight tickets

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Use the filters below to find and compare flights from Idaho to Chicago that are best for you.

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?

The month of February is, on average, the cheapest month to fly to Chicago from Idaho, with most prices found around $323. If you’re not able to fly to Chicago in February, then September is your next best option. Flight prices from Idaho to Chicago during September average around $324.

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?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Idaho to Chicago during this time can be as low as $417. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $664.

What is the cheapest Idaho to Chicago flight route?

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

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

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 20% on your flight if you consider stops on a Idaho to Chicago flight.

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

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

What airlines fly to Chicago?

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

As of January 2026, 15 flights take off from Idaho and land in Chicago each day. The most common flight departure time for this route is 12:00PM, with 70% of daily flights taking off in the afternoon.

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

As of January 2026, there are 105 flights per week flying from Idaho to Chicago. The most common day of the week flights depart is Thu, with 15% of flights taking off on this day.

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

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

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

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

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

What is the most popular plane model 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?

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

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

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

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

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