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

United Airlines, Southwest, and Alaska Airlines are the most popular carriers operating from Chicago to Montana

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

As of July 2025, there are 19 flights per day flying from Chicago to Montana. The most common time of day flights depart is 8:00PM, with 47% of flights taking off at noon.

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

138 flights are operational weekly from Chicago to Montana as of July 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

What airlines fly to Montana?

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Montana from Chicago according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 5 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Chicago to Montana were last updated today.

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

The number of operators available for flights from Chicago to Montana is 5 as of July 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Montana.

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

The travel and health documents required for your trip to Montana 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 Montana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$96 Cheap Flights from Chicago to Montana in 2025

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Find the cheapest flights from Chicago to Montana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:00 am - 2:14 pmORD-BZN

7h 14m1 stop

3:08 pm - 12:03 amBZN-ORD

7h 55m1 stop

$190Hawaiian Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

11:54 am - 2:12 pmORD-BZN

3h 18mnonstop

4:54 pm - 9:04 pmBZN-ORD

3h 10mnonstop

$191American Airlines

Find Deal

Thu, Oct 2 - Mon, Oct 6

8:25 am - 10:35 amMDW-BZN

3h 10mnonstop

11:20 am - 3:15 pmBZN-MDW

2h 55mnonstop

$191Southwest

Find Deal

Mon, Sep 22 - Thu, Sep 25

3:50 pm - 10:55 pmMDW-BZN

8h 05m1 stop

11:20 am - 3:15 pmBZN-MDW

2h 55mnonstop

$201Southwest

Find Deal

Wed, Sep 17 - Thu, Sep 25

7:15 am - 1:31 pmORD-BZN

7h 16m1 stop

4:20 pm - 11:59 pmBZN-ORD

6h 39m1 stop

$216United Airlines

Find Deal

Wed, Aug 27 - Wed, Sep 3

4:37 pm - 6:55 pmORD-BZN

3h 18mnonstop

4:20 pm - 11:59 pmBZN-ORD

6h 39m1 stop

$220United Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

6:20 am - 2:14 pmORD-BZN

8h 54m1 stop

3:08 pm - 12:03 amBZN-ORD

7h 55m1 stop

$228Alaska Airlines

Find Deal

Mon, Sep 15 - Fri, Sep 26

5:30 pm - 11:29 pmORD-BZN

6h 59m1 stop

6:05 am - 12:04 pmBZN-ORD

4h 59m1 stop

$237Delta

Find Deal

Sat, Aug 16 - Sat, Sep 6

6:04 am - 1:08 pmMDW-BZN

8h 04m1 stop

6:05 am - 1:03 pmBZN-MDW

5h 58m1 stop

$237Delta

Find Deal

Tue, Aug 19 - Sat, Aug 23

5:45 pm - 12:27 amORD-MSO

7h 42m1 stop

6:40 pm - 7:03 amMSO-ORD

11h 23m1 stop

$240Alaska Airlines

Find Deal

Wed, Sep 24 - Sun, Sep 28

American Airlines flights from Chicago to Montana

Our best American Airlines deals on Chicago to Montana flight tickets

American Airlines

Oct 2

ORD11:54 amChicago O'Hare Intl

3h 18m

BZN2:12 pmBozeman Gallatin Field

Oct 6

BZN4:54 pmBozeman Gallatin Field

3h 10m

ORD9:04 pmChicago O'Hare Intl

$191

Find similar

American Airlines

Sep 5

ORD1:20 pmChicago O'Hare Intl

6h 57m

1 stop

BZN7:17 pmBozeman Gallatin Field

Sep 11

BZN1:39 pmBozeman Gallatin Field

3h 17m

ORD5:56 pmChicago O'Hare Intl

$200

Find similar

American Airlines

Aug 13

ORD1:36 pmChicago O'Hare Intl

3h 14m

BZN3:50 pmBozeman Gallatin Field

Aug 20

BZN4:40 pmBozeman Gallatin Field

3h 09m

ORD8:49 pmChicago O'Hare Intl

$201

Find similar

Delta flights from Chicago to Montana

Our best Delta deals on Chicago to Montana flight tickets

Delta

Aug 16

ORD5:30 pmChicago O'Hare Intl

6h 59m

1 stop

BZN11:29 pmBozeman Gallatin Field

Sep 6

BZN6:05 amBozeman Gallatin Field

4h 59m

1 stop

ORD12:04 pmChicago O'Hare Intl

$237

Find similar

Delta

Aug 16

ORD2:25 pmChicago O'Hare Intl

10h 04m

2 stops

BZN11:29 pmBozeman Gallatin Field

Aug 23

BZN5:30 amBozeman Gallatin Field

5h 28m

1 stop

ORD11:58 amChicago O'Hare Intl

$242

Find similar

Delta

Aug 11

ORD12:55 pmChicago O'Hare Intl

10h 31m

1 stop

BZN10:26 pmBozeman Gallatin Field

Aug 22

BZN11:44 amBozeman Gallatin Field

5h 23m

1 stop

ORD6:07 pmChicago O'Hare Intl

$303

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 9/13

8:00 am-2:14 pm

1 stop7h 14m

Bozeman Gallatin Field

Sat 9/20

3:08 pm-12:03 am

1 stop7h 55m

$190

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Thu 10/2

11:54 am-2:12 pm

Nonstop3h 18m

Bozeman Gallatin Field

Mon 10/6

4:54 pm-9:04 pm

Nonstop3h 10m

$191

ChicagoBozeman

MDW - BZN

MDWBZN

Chicago Midway

Mon 9/22

8:25 am-10:35 am

Nonstop3h 10m

Bozeman Gallatin Field

Thu 9/25

11:20 am-3:15 pm

Nonstop2h 55m

$191

ChicagoBozeman

MDW - BZN

MDWBZN

Chicago Midway

Wed 9/17

3:50 pm-10:55 pm

1 stop8h 05m

Bozeman Gallatin Field

Thu 9/25

11:20 am-3:15 pm

Nonstop2h 55m

$201

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Wed 8/27

7:15 am-1:31 pm

1 stop7h 16m

Bozeman Gallatin Field

Wed 9/3

4:20 pm-11:59 pm

1 stop6h 39m

$216

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 8/30

4:37 pm-6:55 pm

Nonstop3h 18m

Bozeman Gallatin Field

Sat 9/6

4:20 pm-11:59 pm

1 stop6h 39m

$220

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Mon 9/15

6:20 am-2:14 pm

1 stop8h 54m

Bozeman Gallatin Field

Fri 9/26

3:08 pm-12:03 am

1 stop7h 55m

$228

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 8/16

5:30 pm-11:29 pm

1 stop6h 59m

Bozeman Gallatin Field

Sat 9/6

6:05 am-12:04 pm

1 stop4h 59m

$237

ChicagoBozeman

MDW - BZN

MDWBZN

Chicago Midway

Tue 8/19

6:04 am-1:08 pm

1 stop8h 04m

Bozeman Gallatin Field

Sat 8/23

6:05 am-1:03 pm

1 stop5h 58m

$237

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 9/24

5:45 pm-12:27 am

1 stop7h 42m

Missoula Johnson-Bell Field

Sun 9/28

6:40 pm-7:03 am

1 stop11h 23m

$240

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Montana

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 Montana?

The cheapest month to fly to Montana from Chicago is in April. Flight prices, which tend to average around $369, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Montana, with average flight prices from Chicago averaging around $369.

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

Our data shows that Tuesday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $395. The most expensive day to fly to Montana is Sunday, with ticket prices averaging around $455.

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

The cheapest time of day to fly to Montana is at noon when flights can be purchased for as low as $295. In the afternoon is when there is more demand to fly to Montana, so prices are often more expensive at around $531 per ticket.

What is the cheapest Chicago to Montana flight route?

Fly from Chicago Midway to Bozeman Gallatin Field for the best Chicago - Montana flight prices

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

You are more likely to see cheaper flights to Montana from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $443 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from Chicago for as low as $347 on momondo.

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

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

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

Cheap Chicago to Montana flight deals and tips

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

Best Price Found	$96
Fastest flight time	3h 01m
Direct flights	Every day
Airports in Montana	4 airports

The best one-way flight to Montana from Chicago in the past 72 hours is $96. The best round-trip flight deal from Chicago to Montana found on momondo in the last 72 hours is $190.

The fastest flight from Chicago to Montana takes 3h 01m

Direct flights go from Chicago to Montana every day.

There are 4 airports near Montana: Billings Logan Intl (BIL), Kalispell Glacier Park (FCA), Bozeman Gallatin Field (BZN), Missoula Johnson-Bell Field (MSO)

Search flight deals

When did momondo last update prices for flights from Chicago to Montana?
Prices for flights from Chicago to Montana were last updated today.
How many operators does momondo search for flights from Chicago to Montana?
The number of operators available for flights from Chicago to Montana is 5 as of July 2025.
How old do you have to be to fly from Chicago to Montana?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Montana.
What documentation or ID do you need to fly to Montana?
The travel and health documents required for your trip to Montana 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 Montana. 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 Chicago to Montana?
Based on momondo bookings for flights between Chicago and Montana, the leading plane model is Boeing 737-800, making up 36.86% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 15.28%, Airbus A319 with 10.87%, and Boeing 737 MAX 8 with 8.89%.

Best airlines flying from Chicago to Montana

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $210	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $211	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $225	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights

Why use momondo?

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

Finding the right flight to Montana from Chicago 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 Montana quick and easy, saving you time and money.

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

Flights from Chicago to Montana with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Montana from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your Montana 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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Popular cities in Montana

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Cheap flights from Chicago to Montana from $96

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Montana departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Chicago to Montana

Cheap round-trip flights

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American Airlines flights from Chicago to Montana

Our best American Airlines deals on Chicago to Montana flight tickets

Delta flights from Chicago to Montana

Our best Delta deals on Chicago to Montana flight tickets

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

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How to get the cheapest flight ticket from Chicago to Montana

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 Montana?

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

Our data shows that Tuesday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $395. The most expensive day to fly to Montana is Sunday, with ticket prices averaging around $455.

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

The cheapest time of day to fly to Montana is at noon when flights can be purchased for as low as $295. In the afternoon is when there is more demand to fly to Montana, so prices are often more expensive at around $531 per ticket.

What is the cheapest Chicago to Montana flight route?

Fly from Chicago Midway to Bozeman Gallatin Field for the best Chicago - Montana flight prices

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

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

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

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

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

United Airlines, Southwest, and Alaska Airlines are the most popular carriers operating from Chicago to Montana

What airlines fly to Montana?

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

As of July 2025, there are 19 flights per day flying from Chicago to Montana. The most common time of day flights depart is 8:00PM, with 47% of flights taking off at noon.

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

138 flights are operational weekly from Chicago to Montana as of July 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

Cheap Chicago to Montana flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Montana

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

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

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

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

What is the most popular plane model from Chicago to Montana?

Best airlines flying from Chicago to Montana

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

Why use momondo?

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

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

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

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

An easier way to manage your Montana 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 Montana

Popular cities in Montana

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