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$105+ Cheap flights from Chicago (CHI) to Montana

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BZN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Chicago to Montana

Keep the following information in mind while searching for Chicago to Montana flight deals. Data was last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$225
(American Airlines)

One-way from

$105
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$379

Good round-trip deal

$262 or less

Good one-way deal

$169 or less
Provider with most accurate pricing for Chicago (CHI)-Bozeman Gallatin Field flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Bozeman Gallatin Field flights.
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From Chicago (CHI) to Montana
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One-way flight from Chicago (CHI) to Montana
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Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Montana.
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Price to beat on a one-way flight from Chicago (CHI) to Montana.
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Find flight deals from Chicago to Montana

Cheapest flights from Chicago to Montana
Explore the most affordable flight options available from Chicago to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/81:35 pmORD - FCA
Nonstop3h 34mAmerican Airlines
Thu 6/121:17 pmFCA - ORD
Nonstop3h 20mAmerican Airlines
Deal found 4/16$225
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/309:00 amORD - BIL
Nonstop3h 16mUnited Airlines
Tue 6/312:30 pmBIL - ORD
Nonstop2h 55mUnited Airlines
Deal found 4/15$229
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/318:38 pmORD - MSO
Nonstop3h 55mAmerican Airlines
Tue 8/55:07 amMSO - ORD
Nonstop3h 24mAmerican Airlines
Deal found 4/16$229
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/167:21 pmMDW - FCA
1 stop5h 33mDelta
Mon 6/237:00 amFCA - MDW
1 stop5h 06mDelta
Deal found 4/16$245
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/255:39 pmORD - FCA
1 stop7h 15mDelta
Tue 7/11:39 pmFCA - ORD
1 stop7h 30mDelta
Deal found 4/16$245
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/118:29 amORD - MSO
1 stop7h 03mDelta
Wed 6/181:08 pmMSO - ORD
1 stop8h 01mDelta
Deal found 4/16$247
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/119:21 amMDW - MSO
1 stop6h 11mDelta
Wed 6/185:53 amMSO - MDW
1 stop6h 13mDelta
Deal found 4/16$247
This SmartFares deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:00 amORD - MSO
1 stop7h 21mAlaska Airlines
Thu 6/53:17 pmMSO - ORD
1 stop7h 42mAlaska Airlines
Deal found 4/17$248
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/314:30 pmORD - BIL
1 stop7h 19mDelta
Wed 6/45:20 amBIL - ORD
1 stop6h 23mDelta
Deal found 4/15$249
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/237:25 pmMDW - BIL
1 stop4h 33mDelta
Mon 5/266:23 amBIL - MDW
1 stop5h 52mDelta
Deal found 4/16$249
This Hawaiian Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/248:00 amORD - MSO
1 stop8h 17mHawaiian Airlines
Tue 7/14:13 pmMSO - ORD
1 stop6h 46mHawaiian Airlines
Deal found 4/16$254
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/74:30 pmORD - GTF
1 stop7h 01mDelta
Tue 6/106:00 amGTF - ORD
1 stop5h 03mDelta
Deal found 4/16$256

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Montana 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, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Chicago to Montana that are best for you.

Fly from

Chicago

Fly to

Montana

Route

Depart

Return

Price

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Sun 6/8

1:35 pm-4:09 pm

Nonstop3h 34m

Kalispell Glacier Park

Thu 6/12

1:17 pm-5:37 pm

Nonstop3h 20m

$225

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Fri 5/30

9:00 am-11:16 am

Nonstop3h 16m

Billings Logan Intl

Tue 6/3

12:30 pm-4:25 pm

Nonstop2h 55m

$229

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 6/11

8:25 pm-11:24 pm

Nonstop3h 59m

Missoula Johnson-Bell Field

Wed 6/18

12:54 pm-5:16 pm

Nonstop3h 22m

$235

ChicagoKalispell

MDW - FCA

MDWFCA

Chicago Midway

Mon 6/16

7:21 pm-11:54 pm

1 stop5h 33m

Kalispell Glacier Park

Mon 6/23

7:00 am-1:06 pm

1 stop5h 06m

$245

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Wed 6/25

5:39 pm-11:54 pm

1 stop7h 15m

Kalispell Glacier Park

Wed 7/2

5:30 am-11:52 am

1 stop5h 22m

$245

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 6/11

8:29 am-2:32 pm

1 stop7h 03m

Missoula Johnson-Bell Field

Wed 6/18

1:08 pm-10:09 pm

1 stop8h 01m

$247

ChicagoMissoula

MDW - MSO

MDWMSO

Chicago Midway

Wed 6/11

9:21 am-2:32 pm

1 stop6h 11m

Missoula Johnson-Bell Field

Wed 6/18

5:53 am-1:06 pm

1 stop6h 13m

$247

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 5/29

8:00 am-2:21 pm

1 stop7h 21m

Missoula Johnson-Bell Field

Thu 6/5

3:17 pm-11:59 pm

1 stop7h 42m

$248

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sat 5/31

4:30 pm-10:49 pm

1 stop7h 19m

Billings Logan Intl

Wed 6/4

5:20 am-12:43 pm

1 stop6h 23m

$249

ChicagoBillings

MDW - BIL

MDWBIL

Chicago Midway

Fri 5/23

7:25 pm-10:58 pm

1 stop4h 33m

Billings Logan Intl

Mon 5/26

6:23 am-1:15 pm

1 stop5h 52m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 results
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Best time to book a flight from Chicago to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Montana

What is the cheapest month to book a flight from Chicago to Montana?

Currently, October is the cheapest month in which you can book a flight from Chicago to Montana (average of $371). Flying from Chicago to Montana in June is currently the most expensive (average of $520). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to MT?

Find hourly flight availability from Chicago to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

When flying from Chicago to Montana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Montana by month

Plan your trip to Montana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montana ranges from 0.4 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Montana when rainfall is around 0.4 in.

Temperature in Montana by month

Plan your trip to Montana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montana. Reviews last updated April 17, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Chicago to Montana have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Chicago to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Chicago to Montana one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $105. Users have also found prices from $106 and $106 on United Airlines and Southwest, respectively.

  • What are the most popular routes from Chicago to Montana?

    When deciding which route to take from Chicago to Montana consider Chicago O'Hare Intl - Bozeman Gallatin Field, Chicago O'Hare Intl - Kalispell Glacier Park or Chicago Midway - Bozeman Gallatin Field as they are the most popular.

  • What are the most reliable airlines from Chicago to Montana?

    Before booking your flight to Montana from Chicago, check out the most reliable airlines to get you to your destination on time: United Airlines (69%), Emirates (67%), American Airlines( 65%).

  • What are the cheapest flights from Chicago to Montana?

    Looking for the cheapest flight from Chicago to Montana? While on average our users pay $537, our data indicates the cheapest price to be $105. The most popular route (Chicago O'Hare Intl - Bozeman Gallatin Field), is priced around $210.

  • Can I find deals for flights from Chicago to Montana that include hotel bookings?

    Yes. In addition to deals on Chicago to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Montana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Montana.

  • Can I find deals for business class flights from Chicago to Montana?

    Yes. Cheapflights offers flight deals from Chicago to Montana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Montana?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Montana (average of $371). Flying from Chicago to Montana in June is currently the most expensive (average of $520). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chicago to Montana

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Chicago to Montana

Discover the top 6 airlines that operate flights from Chicago to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$175Average$245FlexibilityNo cancel feeOn-time83%
DeltaCheapest$182Average$394FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$225Average$444FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$239Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$535FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$481FlexibilityNo cancel feeOn-time63%

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