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 53% 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.

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

As of February 2026, there are 9 flights per day flying from Chicago to Montana. The most common time of day flights depart is 9:00AM, with 59% of flights taking off at noon.

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

63 flights are operational weekly from Chicago to Montana as of February 2026. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.

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

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

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 February 2026.

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.

$95 Cheap Flights from Chicago to Montana in 2026

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Find the cheapest flights from Chicago to Montana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:05 pm - 8:19 pm

MDW

BIL

7h 14m

1 stop

6:25 am - 1:25 pm

BIL

MDW

6h 00m

1 stop

$209Delta

Tue, Mar 17 - Tue, Mar 24

1:36 pm - 3:50 pm

ORD

BZN

3h 14mnonstop

4:54 pm - 9:03 pm

BZN

ORD

3h 09mnonstop

$230American Airlines

Sat, Aug 8 - Wed, Aug 12

6:00 am - 5:35 pm

ORD

GTF

12h 35m

1 stop

6:15 pm - 6:40 am

GTF

ORD

11h 25m

1 stop

$232Alaska Airlines

Wed, Apr 22 - Tue, Apr 28

7:25 am - 2:36 pm

ORD

BZN

8h 11m

1 stop

5:30 am - 11:51 am

BZN

ORD

5h 21m

1 stop

$233Delta

Fri, Apr 10 - Mon, Apr 13

7:09 pm - 9:38 pm

ORD

BZN

3h 29mnonstop

1:49 pm - 5:58 pm

BZN

ORD

3h 09mnonstop

$234American Airlines

Sat, Mar 28 - Thu, Apr 2

9:05 am - 11:31 am

ORD

BZN

3h 26mnonstop

4:19 pm - 12:30 am

BZN

ORD

7h 11m

1 stop

$237United Airlines

Tue, Apr 7 - Wed, Apr 8

6:00 am - 2:10 pm

ORD

BZN

9h 10m

1 stop

7:26 pm - 6:39 am

BZN

ORD

10h 13m

1 stop

$239Alaska Airlines

Mon, Apr 13 - Thu, Apr 16

4:20 pm - 6:59 pm

ORD

BZN

3h 39mnonstop

8:00 am - 12:03 pm

BZN

ORD

3h 03mnonstop

$241United Airlines

Tue, Mar 3 - Fri, Mar 6

5:15 pm - 11:00 pm

MDW

BZN

6h 45m

1 stop

4:20 pm - 11:40 pm

BZN

MDW

6h 20m

1 stop

$274Southwest

Thu, Apr 16 - Mon, Apr 20

5:55 am - 10:15 am

MDW

BZN

5h 20m

1 stop

7:10 pm - 5:20 am

BZN

MDW

9h 10m

1 stop

$283Southwest

Wed, Apr 1 - Mon, Apr 6

United Airlines flights from Chicago to Montana

Our best United Airlines deals on Chicago to Montana flight tickets

United Airlines

Apr 7

ORD9:05 amChicago O'Hare Intl

3h 26m

BZN11:31 amBozeman Gallatin Field

Apr 8

BZN4:19 pmBozeman Gallatin Field

7h 11m

1 stop

ORD12:30 amChicago O'Hare Intl

$237

United Airlines

Mar 3

ORD9:16 amChicago O'Hare Intl

3h 30m

BZN11:46 amBozeman Gallatin Field

Mar 7

BZN8:00 amBozeman Gallatin Field

3h 03m

ORD12:03 pmChicago O'Hare Intl

$241

United Airlines

Mar 6

ORD7:41 pmChicago O'Hare Intl

3h 31m

BZN10:12 pmBozeman Gallatin Field

Mar 10

BZN2:43 pmBozeman Gallatin Field

5h 46m

1 stop

ORD9:29 pmChicago O'Hare Intl

$245

American Airlines flights from Chicago to Montana

Our best American Airlines deals on Chicago to Montana flight tickets

American Airlines

Mar 28

ORD7:09 pmChicago O'Hare Intl

3h 29m

BZN9:38 pmBozeman Gallatin Field

Apr 2

BZN1:49 pmBozeman Gallatin Field

3h 09m

ORD5:58 pmChicago O'Hare Intl

$234

American Airlines

Mar 15

ORD8:00 pmChicago O'Hare Intl

3h 29m

BZN10:29 pmBozeman Gallatin Field

Mar 21

BZN7:00 amBozeman Gallatin Field

3h 11m

ORD11:11 amChicago O'Hare Intl

$235

American Airlines

Mar 15

ORD8:00 pmChicago O'Hare Intl

3h 29m

BZN10:29 pmBozeman Gallatin Field

Mar 20

BZN7:00 amBozeman Gallatin Field

3h 11m

ORD11:11 amChicago O'Hare Intl

$240

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBillings

MDW - BIL

MDWBIL

Chicago Midway

Tue 3/17

2:05 pm-8:19 pm

1 stop7h 14m

Billings Logan Intl

Tue 3/24

6:25 am-1:25 pm

1 stop6h 00m

$209

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 8/8

1:36 pm-3:50 pm

Nonstop3h 14m

Bozeman Gallatin Field

Wed 8/12

4:54 pm-9:03 pm

Nonstop3h 09m

$230

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 4/22

6:00 am-5:35 pm

1 stop12h 35m

Great Falls

Tue 4/28

6:15 pm-6:40 am

1 stop11h 25m

$232

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Fri 4/10

7:25 am-2:36 pm

1 stop8h 11m

Bozeman Gallatin Field

Mon 4/13

5:30 am-11:51 am

1 stop5h 21m

$233

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 3/28

7:09 pm-9:38 pm

Nonstop3h 29m

Bozeman Gallatin Field

Thu 4/2

1:49 pm-5:58 pm

Nonstop3h 09m

$234

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Tue 4/7

9:05 am-11:31 am

Nonstop3h 26m

Bozeman Gallatin Field

Wed 4/8

4:19 pm-12:30 am

1 stop7h 11m

$237

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Mon 4/13

6:00 am-2:10 pm

1 stop9h 10m

Bozeman Gallatin Field

Thu 4/16

7:26 pm-6:39 am

1 stop10h 13m

$239

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Tue 3/3

4:20 pm-6:59 pm

Nonstop3h 39m

Bozeman Gallatin Field

Fri 3/6

8:00 am-12:03 pm

Nonstop3h 03m

$241

ChicagoBozeman

MDW - BZN

MDWBZN

Chicago Midway

Thu 4/16

5:15 pm-11:00 pm

1 stop6h 45m

Bozeman Gallatin Field

Mon 4/20

4:20 pm-11:40 pm

1 stop6h 20m

$274

ChicagoBozeman

MDW - BZN

MDWBZN

Chicago Midway

Wed 4/1

5:55 am-10:15 am

1 stop5h 20m

Bozeman Gallatin Field

Mon 4/6

7:10 pm-5:20 am

1 stop9h 10m

$283

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 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 September. Flight prices, which tend to average around $299, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Montana, with average flight prices from Chicago averaging around $309.

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 $307. The most expensive day to fly to Montana is Thursday, with ticket prices averaging around $393.

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 $298. In the afternoon is when there is more demand to fly to Montana, so prices are often more expensive at around $406 per ticket.

What is the cheapest Chicago to Montana flight route?

Fly from Chicago O'Hare Intl 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 $377 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 $282 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.

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	$168
Fastest flight time	3h 05m
Direct flights	Every day
Airports in Montana	32 airports

The best one-way flight to Montana from Chicago in the past 72 hours is $168. The best round-trip flight deal from Chicago to Montana found on momondo in the last 72 hours is $272.

The fastest flight from Chicago to Montana takes 3h 05m

Direct flights go from Chicago to Montana every day.

There are 32 airports in Montana. From Chicago there are direct flights to Billings Logan Intl (BIL), Bozeman Gallatin Field (BZN).

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 February 2026.
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 40.08% of the total bookings. Other popular models include Boeing 737 MAX 8 with 19.08%, Embraer 175 (Enhanced Winglets) with 12.63%, and Boeing 737 MAX 9 with 9.90%.

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
Delta	PriceFrom $169	Free Cancellation	Rating 7.9 8,215 reviews	Search Delta flights
American Airlines	PriceFrom $210	Free Cancellation	Rating 7.2 11,320 reviews	Search American Airlines flights
Southwest	PriceFrom $210	Free Cancellation	Rating 8.0 4,295 reviews	Search Southwest flights
United Airlines	PriceFrom $244	Free Cancellation	Rating 7.4 9,325 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $268	Free Cancellation	Rating 8.0 11,907 reviews	Search Alaska 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.

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Flights to Seattlefrom $55

Cheap flights from Chicago to Montana from $95

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 4/1. 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 Chicago to Montana

Our best United Airlines deals on Chicago to Montana flight tickets

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How to get the cheapest flight ticket from Chicago to Montana

What is the cheapest month to fly to Montana?

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

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

What is the cheapest Chicago to Montana flight route?

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

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

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

What airlines fly to Montana?

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

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

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

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

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According to popular flight searches on momondo this year

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