HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montana

$96+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZN
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Montana with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 julio 29, 2025.

Round-trip from

$191
(American Airlines)

One-way from

$96
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$369

Good round-trip deal

$268 or less

Good one-way deal

$174 or less
From Chicago O'Hare Intl to Montana
Search Deals
One-way flight from Chicago O'Hare Intl to Montana
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Montana.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Montana.
Search Deals

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 julio 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/28. 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.
dom. 9/78:39 pmORD - BIL
Nonstop3h 00mAmerican Airlines
jue. 9/1112:19 pmBIL - ORD
Nonstop2h 54mAmerican Airlines
Deal found 7/28$191
This United Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 8/304:37 pmORD - BZN
Nonstop3h 18mUnited Airlines
sáb. 9/68:00 amBZN - ORD
Nonstop3h 05mUnited Airlines
Deal found 7/29$210
This American Airlines deal was found by Cheapflights users on 7/27. 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.
mié. 8/2710:25 amORD - BZN
Nonstop3h 14mAmerican Airlines
dom. 8/314:40 pmBZN - ORD
Nonstop3h 09mAmerican Airlines
Deal found 7/27$215
This American Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 9/168:36 pmORD - MSO
Nonstop3h 42mAmerican Airlines
sáb. 9/206:40 amMSO - ORD
Nonstop3h 23mAmerican Airlines
Deal found 7/29$220
This Netflights deal was found by Cheapflights users on 7/27. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/178:00 amORD - MSO
1 stop8h 18mAlaska Airlines
sáb. 9/202:14 pmMSO - ORD
1 stop8h 49mAlaska Airlines
Deal found 7/27$235
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/246:10 amORD - BZN
1 stop5h 13mDelta
mié. 8/273:18 pmBZN - ORD
1 stop5h 46mDelta
Deal found 7/28$237
This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/57:00 amORD - BZN
1 stop7h 14mAlaska Airlines
jue. 9/1111:26 amBZN - ORD
1 stop9h 41mAlaska Airlines
Deal found 7/27$238
This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/15:40 amORD - MSO
1 stop7h 14mFrontier
lun. 8/1112:40 pmMSO - ORD
1 stop10h 52mFrontier
Deal found 7/27$238
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/276:25 pmORD - BIL
1 stop5h 22mDelta
mié. 9/35:25 amBIL - ORD
1 stop5h 33mDelta
Deal found 7/28$248
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/126:20 amORD - MSO
1 stop9h 58mHawaiian Airlines
vie. 9/194:14 pmMSO - ORD
1 stop6h 49mHawaiian Airlines
Deal found 7/29$255
This Delta deal was found by Cheapflights users on 7/29. 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.
mar. 9/161:22 pmORD - MSO
2 stops11h 24mDelta
sáb. 9/203:33 pmMSO - ORD
1 stop4h 57mDelta
Deal found 7/29$258
This United Airlines deal was found by Cheapflights users on 7/27. 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.
vie. 8/225:00 amORD - MSO
1 stop5h 57mUnited Airlines
dom. 8/2412:30 pmMSO - ORD
Nonstop3h 24mUnited Airlines
Deal found 7/27$259

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 julio 29, 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

dom. 9/7

8:39 pm-10:39 pm

Nonstop3h 00m

Billings Logan Intl

jue. 9/11

12:19 pm-4:13 pm

Nonstop2h 54m

$191

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

sáb. 8/30

4:37 pm-6:55 pm

Nonstop3h 18m

Bozeman Gallatin Field

sáb. 9/6

8:00 am-12:05 pm

Nonstop3h 05m

$210

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

mié. 8/27

10:25 am-12:39 pm

Nonstop3h 14m

Bozeman Gallatin Field

dom. 8/31

4:40 pm-8:49 pm

Nonstop3h 09m

$215

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

mar. 9/16

8:36 pm-11:18 pm

Nonstop3h 42m

Missoula Johnson-Bell Field

sáb. 9/20

6:40 am-11:03 am

Nonstop3h 23m

$220

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

mié. 9/17

8:00 am-3:18 pm

1 stop8h 18m

Missoula Johnson-Bell Field

sáb. 9/20

2:14 pm-12:03 am

1 stop8h 49m

$235

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

dom. 8/24

6:10 am-10:23 am

1 stop5h 13m

Bozeman Gallatin Field

mié. 8/27

3:18 pm-10:04 pm

1 stop5h 46m

$237

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

vie. 8/1

5:40 am-11:54 am

1 stop7h 14m

Missoula Johnson-Bell Field

lun. 8/11

12:40 pm-12:32 am

1 stop10h 52m

$238

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

vie. 9/5

7:00 am-1:14 pm

1 stop7h 14m

Bozeman Gallatin Field

jue. 9/11

11:26 am-10:07 pm

1 stop9h 41m

$238

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

mié. 8/27

6:25 pm-10:47 pm

1 stop5h 22m

Billings Logan Intl

mié. 9/3

5:25 am-11:58 am

1 stop5h 33m

$248

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

vie. 9/12

6:20 am-3:18 pm

1 stop9h 58m

Missoula Johnson-Bell Field

vie. 9/19

4:14 pm-12:03 am

1 stop6h 49m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 60 results
1
2
3
...
6

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 May is currently the most expensive (average of $478). 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 julio 29, 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.

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 julio 29, 2025.

The most flights from ORD to USMT are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 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 julio 29, 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
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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?

    $96 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Hawaiian Airlines, with prices starting from $97 and $100, 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 SkyWest Airlines (87%), United Airlines (75%) and American 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 $129. On average you can expect to pay $280. The most popular route, (Chicago O'Hare Intl - Kalispell Glacier Park), can usually be booked for $210.

  • 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 May is currently the most expensive (average of $478). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Montana

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Newark flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to Seattle flights
O'Hare Intl to Las Vegas flights
O'Hare Intl to Denver flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Miami flights
O'Hare Intl to Orlando flights
O'Hare Intl to San Francisco flights
O'Hare Intl to Sky Harbor Intl flights
O'Hare Intl to Fort Lauderdale flights
O'Hare Intl to Boston flights
Midway to Las Vegas flights
O'Hare Intl to Reagan-National flights
Midway to Newark flights
Midway to LaGuardia flights
O'Hare Intl to Portland flights
O'Hare Intl to Honolulu flights
O'Hare Intl to Tampa flights
O'Hare Intl to San Diego flights
O'Hare Intl to Atlanta flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Ontario flights
Midway to Miami flights
O'Hare Intl to Austin flights
O'Hare Intl to Dulles Intl flights
Midway to John F Kennedy Intl flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to Hobby flights
O'Hare Intl to Salt Lake City flights
O'Hare Intl to Raleigh flights
O'Hare Intl to Nashville flights
Midway to Dallas/Fort Worth flights
Midway to Seattle flights
O'Hare Intl to New Orleans flights
O'Hare Intl to Charlotte flights
Midway to Denver flights
O'Hare Intl to George Bush Intcntl flights
O'Hare Intl to Fort Myers flights
Midway to Atlanta flights
O'Hare Intl to Charleston flights
Midway to Orlando flights
O'Hare Intl to Kalispell flights
Midway to Tampa flights
Midway to Dulles Intl flights
O'Hare Intl to West Palm Beach flights
O'Hare Intl to San Antonio flights

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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$211Average$405FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$225Average$478FlexibilityNo cancel feeOn-time75%
DeltaCheapest$236Average$345FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$244Average$458FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$248Average$526FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.