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$105+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZN
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(American Airlines)

One-way from

$105
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$403

Good round-trip deal

$262 or less

Good one-way deal

$145 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
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Highest demand for flights based on searches. 5% potential increase in price ($28 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 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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Find 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 April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 6/128:45 pmORD - BIL
Nonstop3h 21mAmerican Airlines
Sun 6/156:00 amBIL - ORD
Nonstop2h 54mAmerican Airlines
Deal found 4/29$209
This American Airlines deal was found by Cheapflights users on 4/29. 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 9/211:31 pmORD - FCA
Nonstop3h 40mAmerican Airlines
Wed 10/11:16 pmFCA - ORD
Nonstop3h 26mAmerican Airlines
Deal found 4/29$211
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 6/28:50 amORD - FCA
Nonstop3h 53mUnited Airlines
Wed 6/1112:40 pmFCA - ORD
Nonstop3h 29mUnited Airlines
Deal found 4/29$225
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/138:25 pmORD - MSO
Nonstop3h 59mAmerican Airlines
Fri 6/2012:54 pmMSO - ORD
Nonstop3h 22mAmerican Airlines
Deal found 4/29$235
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 6/57:15 pmORD - MSO
1 stop6h 06mDelta
Thu 6/121:08 pmMSO - ORD
1 stop8h 01mDelta
Deal found 4/29$239
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/59:02 amORD - MSO
Nonstop3h 48mUnited Airlines
Thu 6/125:15 pmMSO - ORD
1 stop6h 10mUnited Airlines
Deal found 4/29$245
This United Airlines deal was found by Cheapflights users on 4/28. 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 7/235:00 amORD - BZN
1 stop5h 54mUnited Airlines
Fri 7/254:32 pmBZN - ORD
1 stop6h 58mUnited Airlines
Deal found 4/28$257
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 6/711:55 amORD - BZN
Nonstop3h 12mAmerican Airlines
Wed 6/1111:29 amBZN - ORD
1 stop8h 25mAmerican Airlines
Deal found 4/28$260
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 7/57:00 amORD - MSO
1 stop7h 36mAlaska Airlines
Wed 7/94:13 pmMSO - ORD
1 stop6h 46mAlaska Airlines
Deal found 4/29$261
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 9/176:20 amORD - BZN
1 stop8h 54mAlaska Airlines
Sun 9/217:23 pmBZN - ORD
1 stop10h 40mAlaska Airlines
Deal found 4/29$262
This Delta deal was found by Cheapflights users on 4/29. 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 6/73:45 pmORD - GTF
1 stop5h 47mDelta
Tue 6/106:18 pmGTF - ORD
2 stops12h 31mDelta
Deal found 4/29$262
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 6/127:20 pmORD - BZN
1 stop5h 41mDelta
Sat 6/216:00 amBZN - ORD
1 stop5h 03mDelta
Deal found 4/29$263

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 April 30, 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

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 6/12

8:45 pm-11:06 pm

Nonstop3h 21m

Billings Logan Intl

Sun 6/15

6:00 am-9:54 am

Nonstop2h 54m

$209

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Mon 6/2

8:50 am-11:43 am

Nonstop3h 53m

Kalispell Glacier Park

Wed 6/11

12:40 pm-5:09 pm

Nonstop3h 29m

$225

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 6/13

8:25 pm-11:24 pm

Nonstop3h 59m

Missoula Johnson-Bell Field

Fri 6/20

12:54 pm-5:16 pm

Nonstop3h 22m

$235

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 6/5

7:15 pm-12:21 am

1 stop6h 06m

Missoula Johnson-Bell Field

Thu 6/12

1:08 pm-10:09 pm

1 stop8h 01m

$239

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 6/5

9:02 am-11:50 am

Nonstop3h 48m

Missoula Johnson-Bell Field

Thu 6/12

5:15 pm-12:25 am

1 stop6h 10m

$245

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Mon 6/2

7:15 pm-12:30 am

1 stop6h 15m

Kalispell Glacier Park

Wed 6/11

6:11 pm-7:49 am

2 stops12h 38m

$250

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Wed 7/23

5:00 am-9:54 am

1 stop5h 54m

Bozeman Gallatin Field

Fri 7/25

4:32 pm-12:30 am

1 stop6h 58m

$257

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Fri 6/6

1:35 pm-4:09 pm

Nonstop3h 34m

Kalispell Glacier Park

Fri 6/13

4:52 pm-9:13 pm

Nonstop3h 21m

$257

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 6/7

11:55 am-2:07 pm

Nonstop3h 12m

Bozeman Gallatin Field

Wed 6/11

11:29 am-8:54 pm

1 stop8h 25m

$260

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Sat 7/5

7:00 am-1:36 pm

1 stop7h 36m

Missoula Johnson-Bell Field

Wed 7/9

4:13 pm-11:59 pm

1 stop6h 46m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 $371). Flying from Chicago O'Hare Intl Airport to Montana in June is currently the most expensive (average of $510). 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 April 30, 2025.

When flying from Chicago O'Hare Intl Airport 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 30, 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
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 Alaska Airlines. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $106 and $111, 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 - Kalispell Glacier Park. You may also consider Chicago O'Hare Intl - Bozeman Gallatin Field 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 United Airlines (69%), Emirates (67%) and American Airlines (65%).

  • 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 $105. On average you can expect to pay $506. The most popular route, (Chicago O'Hare Intl - Kalispell Glacier Park), can usually be booked for $225.

  • 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 $371). Flying from Chicago O'Hare Intl Airport to Montana in June is currently the most expensive (average of $510). 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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Top 6 airlines flying from O'Hare Intl to Montana

Discover the top 6 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$175Average$245FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$225Average$449FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$229Average$444FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$400FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$539FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$469FlexibilityNo cancel feeOn-time63%

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