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$99+ Cheap flights from O'Hare Intl (ORD) 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Montana

Cheapest flights from O'Hare Intl to Montana
Explore the most affordable flight options available from O'Hare Intl to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/317:58 pmORD - BZN
Nonstop3h 31mUnited Airlines
Wed 1/1412:46 pmBZN - ORD
Nonstop3h 09mUnited Airlines
Deal found 12/10$214
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/259:06 amORD - BZN
Nonstop3h 33mUnited Airlines
Tue 12/307:15 amBZN - ORD
Nonstop3h 19mUnited Airlines
Deal found 12/10$296
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/259:06 amORD - BZN
Nonstop3h 33mUnited Airlines
Mon 12/294:25 pmBZN - ORD
1 stop5h 35mUnited Airlines
Deal found 12/10$305
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/2412:45 pmORD - BZN
Nonstop3h 25mUnited Airlines
Wed 12/314:14 pmBZN - ORD
Nonstop3h 11mUnited Airlines
Deal found 12/10$334
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/2412:45 pmORD - BZN
Nonstop3h 25mUnited Airlines
Mon 12/297:15 amBZN - ORD
Nonstop3h 19mUnited Airlines
Deal found 12/10$359
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/259:06 amORD - BZN
Nonstop3h 33mUnited Airlines
Wed 12/314:14 pmBZN - ORD
Nonstop3h 11mUnited Airlines
Deal found 12/10$364
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 12/307:58 pmORD - BZN
Nonstop3h 31mUnited Airlines
Fri 1/912:46 pmBZN - ORD
Nonstop3h 09mUnited Airlines
Deal found 12/10$370
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/181:55 pmORD - FCA
1 stop9h 04mUnited Airlines
Sun 12/2112:38 pmFCA - ORD
Nonstop3h 32mUnited Airlines
Deal found 12/9$429
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/182:31 pmORD - FCA
1 stop8h 28mUnited Airlines
Thu 12/2512:38 pmFCA - ORD
Nonstop3h 32mUnited Airlines
Deal found 12/11$454
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/187:10 amORD - BIL
1 stop7h 14mUnited Airlines
Fri 12/265:50 pmBIL - ORD
1 stop5h 09mUnited Airlines
Deal found 12/11$454
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:51 pmORD - MSO
1 stop7h 35mAlaska Airlines
Tue 12/162:14 pmMSO - ORD
1 stop7h 16mAlaska Airlines
Deal found 12/9$479
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/258:45 amORD - BIL
1 stop5h 39mUnited Airlines
Mon 12/295:50 pmBIL - ORD
1 stop5h 09mUnited Airlines
Deal found 12/10$480

Find flight deals from O'Hare Intl to Montana

Keep the following information in mind while searching for O'Hare Intl to Montana flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$199
(Alaska Airlines)

One-way from

$99
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$460

Good round-trip deal

$280 or less

Good one-way deal

$135 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 O'Hare Intl to Montana
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One-way flight from Chicago O'Hare Intl to Montana
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Montana.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Montana.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 December 12, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montana that are best for you.

Fly from

O'Hare Intl

Fly to

Montana

Route

Depart

Return

Price

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Thu 1/8

9:11 am-11:44 am

Nonstop3h 33m

Bozeman Gallatin Field

Thu 1/15

12:46 pm-4:55 pm

Nonstop3h 09m

$211

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 1/24

9:00 am-11:33 am

Nonstop3h 33m

Bozeman Gallatin Field

Thu 2/5

2:30 pm-9:15 pm

1 stop5h 45m

$221

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Thu 1/8

7:37 pm-10:02 pm

Nonstop3h 25m

Bozeman Gallatin Field

Tue 1/13

1:42 pm-5:49 pm

Nonstop3h 07m

$229

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Thu 1/8

9:11 am-11:44 am

Nonstop3h 33m

Bozeman Gallatin Field

Mon 1/12

12:46 pm-4:55 pm

Nonstop3h 09m

$229

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Thu 2/5

2:20 pm-10:27 pm

1 stop9h 07m

Bozeman Gallatin Field

Tue 2/10

3:00 pm-11:53 pm

1 stop7h 53m

$231

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Wed 1/21

2:20 pm-10:27 pm

1 stop9h 07m

Bozeman Gallatin Field

Sat 1/24

6:00 am-4:38 pm

2 stops9h 38m

$236

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Mon 1/5

1:35 pm-10:27 pm

2 stops9h 52m

Bozeman Gallatin Field

Fri 1/9

3:00 pm-11:53 pm

1 stop7h 53m

$239

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Tue 1/13

1:55 pm-11:17 pm

2 stops10h 22m

Bozeman Gallatin Field

Sun 1/18

5:15 am-12:41 pm

1 stop6h 26m

$239

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Wed 1/7

2:20 pm-10:27 pm

1 stop9h 07m

Bozeman Gallatin Field

Sun 1/11

5:15 am-12:41 pm

1 stop6h 26m

$246

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Fri 1/23

10:40 am-3:22 pm

1 stop5h 42m

Billings Logan Intl

Tue 1/27

2:45 pm-9:15 pm

1 stop5h 30m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 results
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Best time to book a flight from O'Hare Intl to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from O'Hare Intl 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 O'Hare Intl Airport to Montana

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montana?

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montana (average of $190). Flying from Chicago O'Hare Intl Airport to Montana in March is currently the most expensive (average of $289). 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 ORD to MT?

Find hourly flight availability from O'Hare Intl 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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to Montana in the afternoon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Montana?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Montana. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Montana flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago O'Hare Intl Airport to Montana

Explore weekly flight availability from O'Hare Intl to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 12, 2025.

The most flights from ORD to USMT are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 December 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Chicago O'Hare Intl Airport to Montana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

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

  • How long is the flight from Chicago O'Hare Intl Airport to Montana?

    Airlines like United Airlines, American Airlines, and Delta fly from Chicago O'Hare Intl Airport to Montana in about 3h 25m. The time it takes to get you to your destination can typically vary by up to 4h 29m. Chicago O'Hare Intl Airport and Montana are separated by a distance of 1182 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Montana one-way?

    $105 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $108 and $124, respectively.

  • What are the most popular routes from Chicago O'Hare Intl Airport to Montana?

    The most popular route from Chicago O'Hare Intl Airport to Montana is Chicago O'Hare Intl - Bozeman Gallatin Field. You may also consider Chicago O'Hare Intl - Kalispell Glacier Park or Chicago O'Hare Intl - Missoula Johnson-Bell Field.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Montana?

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Montana are American Airlines (68%), Alaska Airlines (68%) and United Airlines (68%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Montana?

    The cheapest flight price from Chicago O'Hare Intl Airport to Montana is $135. On average you can expect to pay $288. The most popular route, (Chicago O'Hare Intl - Bozeman Gallatin Field), can usually be booked for $224.

  • Can I find deals for flights from O'Hare Intl to Montana that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Montana?

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

  • Can I find deals for business class flights from O'Hare Intl to Montana?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Montana?

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montana (average of $190). Flying from Chicago O'Hare Intl Airport to Montana in March is currently the most expensive (average of $289). 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.

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Alternative routes for O'Hare Intl to Montana

See prices for flight routes from nearby airports that may be better suited for you.
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Midway to Atlanta flights
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Top 5 airlines flying from O'Hare Intl to Montana

Discover the top 5 airlines that operate flights from O'Hare Intl 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$152Average$403FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$211Average$382FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$312FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$528FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$270Average$496FlexibilityNo cancel feeOn-time75%

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