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O'Hare Intl

$85+ Cheap flights from Montana to O'Hare Intl (ORD)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — ORD
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Montana to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Montana (USMT) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(Alaska Airlines)

One-way from

$85
(Mytrip)

Popular in

November

Cheapest in

January

Average price

$359

Good round-trip deal

$463 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Bozeman Gallatin Field-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Chicago (CHI) flights.
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From Montana to Chicago O'Hare Intl
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One-way flight from Montana to Chicago O'Hare Intl
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Highest demand for flights based on searches. 10% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Montana to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Montana to Chicago O'Hare Intl.
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Find flight deals from Montana to O'Hare Intl

Cheapest flights from Montana to O'Hare Intl
Explore the most affordable flight options available from Montana to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 1/29. 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.
Tue 4/811:24 amBZN - ORD
1 stop11h 35mAlaska Airlines
Thu 4/107:00 amORD - BZN
1 stop7h 59mAlaska Airlines
Deal found 1/29$269
This Mytrip deal was found by Cheapflights users on 1/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/26:07 pmBZN - ORD
1 stop11h 00mMultiple Airlines
Wed 3/59:16 amORD - BZN
2 stops25h 16mMultiple Airlines
Deal found 1/29$274
This American Airlines deal was found by Cheapflights users on 1/30. 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 2/202:02 pmBZN - ORD
Nonstop2h 57mAmerican Airlines
Sun 2/2310:34 amORD - BZN
Nonstop3h 37mAmerican Airlines
Deal found 1/30$289
This Delta deal was found by Cheapflights users on 1/30. 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.
Sun 5/255:45 amBZN - ORD
1 stop5h 36mDelta
Fri 7/115:20 pmORD - BZN
2 stops8h 26mDelta
Deal found 1/30$314
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Wed 6/412:40 pmFCA - ORD
Nonstop3h 29mUnited Airlines
Tue 6/105:02 amORD - FCA
1 stop6h 01mUnited Airlines
Deal found 1/29$319
This United Airlines deal was found by Cheapflights users on 1/30. 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 3/78:23 amBZN - ORD
Nonstop3h 07mUnited Airlines
Sun 3/97:43 pmORD - BZN
Nonstop3h 32mUnited Airlines
Deal found 1/30$321
This Delta deal was found by Cheapflights users on 1/28. 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.
Wed 3/265:25 amFCA - ORD
1 stop6h 19mDelta
Wed 4/96:15 amORD - FCA
1 stop7h 39mDelta
Deal found 1/28$329
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Fri 8/222:40 pmBIL - ORD
1 stop6h 45mUnited Airlines
Sun 8/245:00 amORD - BIL
1 stop5h 51mUnited Airlines
Deal found 1/29$337
This Delta deal was found by Cheapflights users on 1/28. 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.
Wed 3/125:20 amBIL - ORD
1 stop6h 24mDelta
Wed 3/191:26 pmORD - BIL
2 stops11h 50mDelta
Deal found 1/28$342
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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 2/246:38 pmMSO - ORD
1 stop10h 15mAlaska Airlines
Wed 3/57:00 pmORD - MSO
2 stops20h 59mAlaska Airlines
Deal found 1/30$346
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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.
Fri 2/216:59 pmFCA - ORD
1 stop17h 05mAlaska Airlines
Tue 2/255:54 pmORD - FCA
1 stop7h 05mAlaska Airlines
Deal found 1/29$348
This Southwest deal was found by Cheapflights users on 1/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/22:10 pmBZN - ORD
1 stop7h 55mSouthwest
Wed 5/76:15 amORD - BZN
1 stop7h 15mSouthwest
Deal found 1/29$349

Find flights from Montana to O'Hare Intl within your budget

Customize your flight search to find flights from Montana to O'Hare Intl 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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Tue 4/8

11:24 am-11:59 pm

1 stop11h 35m

Chicago O'Hare Intl

Thu 4/10

7:00 am-1:59 pm

1 stop7h 59m

$269

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Sun 3/2

6:07 pm-6:07 am

1 stop11h 00m

Chicago O'Hare Intl

Wed 3/5

9:16 am-9:32 am

2 stops25h 16m

$274

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Thu 2/20

2:02 pm-5:59 pm

Nonstop2h 57m

Chicago O'Hare Intl

Sun 2/23

10:34 am-1:11 pm

Nonstop3h 37m

$289

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Sun 5/25

5:45 am-12:21 pm

1 stop5h 36m

Chicago O'Hare Intl

Fri 7/11

5:20 pm-12:46 am

2 stops8h 26m

$314

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Fri 3/7

8:23 am-12:30 pm

Nonstop3h 07m

Chicago O'Hare Intl

Sun 3/9

7:43 pm-10:15 pm

Nonstop3h 32m

$321

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Tue 4/1

5:25 am-12:44 pm

1 stop6h 19m

Chicago O'Hare Intl

Sat 4/5

7:50 am-12:54 pm

1 stop6h 04m

$329

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 2/28

5:20 am-12:45 pm

1 stop6h 25m

Chicago O'Hare Intl

Tue 3/4

1:40 pm-12:31 am

2 stops11h 51m

$342

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Thu 3/6

12:40 pm-11:06 pm

1 stop9h 26m

Chicago O'Hare Intl

Sun 3/9

9:16 am-8:42 pm

2 stops12h 26m

$343

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Mon 2/24

6:38 pm-5:53 am

1 stop10h 15m

Chicago O'Hare Intl

Wed 3/5

7:00 pm-2:59 pm

2 stops20h 59m

$346

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Fri 5/2

2:10 pm-11:05 pm

1 stop7h 55m

Chicago O'Hare Intl

Wed 5/7

6:15 am-12:30 pm

1 stop7h 15m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 50 results
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Best time to book a flight from Montana to O'Hare Intl

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

Travel insights for flights from Montana to O'Hare Intl

Get recent, data-driven insights about flights from Montana to O'Hare Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Montana to Chicago O'Hare Intl Airport (average of $245). Flying from Montana to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $325). 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 MT to ORD?

Find hourly flight availability from Montana to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 30, 2025.

When flying from Montana to Chicago O'Hare Intl Airport, 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 Montana to Chicago O'Hare Intl Airport

Explore weekly flight availability from Montana to O'Hare Intl. 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 January 30, 2025.

The most flights from USMT to ORD are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated January 30, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Montana to Chicago. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,585 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,686 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,450 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
8,906 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Montana to O'Hare Intl. 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 Montana to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $124. Users have also found prices from $145 and $155 on United Airlines and Delta, respectively.

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

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

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

    The top 3 most reliable airlines when flying from Montana to Chicago O'Hare Intl Airport are United Airlines (85%), Lufthansa (82%) and Envoy Air (81%).

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

    The cheapest flight price from Montana to Chicago O'Hare Intl Airport is $168. On average you can expect to pay $471. The most popular route, (Missoula Johnson-Bell Field - Chicago O'Hare Intl), can usually be booked for $329.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Montana to Chicago O'Hare Intl Airport (average of $245). Flying from Montana to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $325). 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

Traveling to a place near Montana?

Book flights to Montana if you plan to visit one of these locations
Naperville
Rosemont
Beloit
Racine
Hoffman Estates
Schaumburg
Rockford
Skokie
Tinley Park
Arlington Heights
Northbrook
Evanston
Des Plaines
Joliet
Orland Park
Merrillville
Kenosha
Lake Geneva
New Buffalo
Glenview

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Alternative routes for Montana to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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San Francisco to Midway flights
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Burbank to O'Hare Intl flights
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Fort Lauderdale to O'Hare Intl flights
San Diego to O'Hare Intl flights
Dulles Intl to Midway flights
Love Field to O'Hare Intl flights
Minneapolis to Midway flights
Philadelphia to Midway flights
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Boston to Midway flights
Denver to Midway flights
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Seattle to Midway flights
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Portland to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
Hobby to O'Hare Intl flights
Hobby to Midway flights
Cleveland to O'Hare Intl flights

Top 5 airlines flying from Montana to O'Hare Intl

Discover the top 5 airlines that operate flights from Montana to O'Hare Intl. 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$205Average$457FlexibilityNo cancel feeOn-time75%
DeltaCheapest$226Average$448FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$229Average$481FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$552FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$388Average$390FlexibilityNo cancel feeOn-time63%
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