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$115+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

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 4/17:20 am
ORD
-
GTF
1 stop6h 04m
Delta
Wed 4/81:05 pm
GTF
-
ORD
1 stop7h 29m
Delta
Deal found 1/28$244
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:45 am
ORD
-
FCA
Nonstop3h 45m
American Airlines
Tue 6/24:48 pm
FCA
-
ORD
Nonstop3h 42m
American Airlines
Deal found 1/28$249
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.
Sun 8/303:50 pm
ORD
-
BIL
1 stop7h 47m
Delta
Sat 9/55:45 am
BIL
-
ORD
1 stop5h 36m
Delta
Deal found 1/28$249
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 8/228:55 am
ORD
-
MSO
Nonstop3h 39m
United Airlines
Tue 8/2512:40 pm
MSO
-
ORD
Nonstop3h 20m
United Airlines
Deal found 1/26$249
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/215:00 am
ORD
-
BZN
1 stop6h 43m
American Airlines
Fri 2/273:36 pm
BZN
-
ORD
1 stop7h 00m
American Airlines
Deal found 1/27$250
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
ORD
-
FCA
1 stop7h 12m
Alaska Airlines
Wed 4/158:26 pm
FCA
-
ORD
1 stop9h 13m
Alaska Airlines
Deal found 1/28$253
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 7/87:15 am
ORD
-
WYS
1 stop6h 06m
Delta
Fri 7/171:09 pm
WYS
-
ORD
1 stop7h 49m
Delta
Deal found 1/28$253
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:29 pm
ORD
-
MSO
1 stop7h 30m
Alaska Airlines
Wed 3/46:23 am
MSO
-
ORD
1 stop9h 10m
Alaska Airlines
Deal found 1/28$253
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.
Sun 8/237:15 am
ORD
-
BZN
1 stop8h 31m
Delta
Sat 8/295:45 am
BZN
-
ORD
2 stops8h 13m
Delta
Deal found 1/28$254
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 9/88:46 pm
ORD
-
BIL
Nonstop3h 13m
American Airlines
Sat 9/197:16 am
BIL
-
ORD
Nonstop2h 54m
American Airlines
Deal found 1/26$256
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 5/12:20 pm
ORD
-
GTF
1 stop7h 58m
United Airlines
Sat 5/92:35 pm
GTF
-
ORD
1 stop5h 48m
United Airlines
Deal found 1/29$258
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:00 am
ORD
-
BZN
1 stop8h 59m
American Airlines
Sat 8/294:54 pm
BZN
-
ORD
Nonstop3h 09m
American Airlines
Deal found 1/28$259

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$244
(Delta)

One-way from

$115
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$327

Good round-trip deal

$271 or less

Good one-way deal

$175 or less
Provider with most accurate pricing for Chicago (CHI)-Bozeman Gallatin Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Bozeman Gallatin Field flights.
Search Deals
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. 13% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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

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 January 29, 2026.
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

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 4/1

7:20 am-12:24 pm

1 stop6h 04m

Great Falls

Wed 4/8

1:05 pm-9:34 pm

1 stop7h 29m

$244

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Tue 4/14

6:00 am-12:12 pm

1 stop7h 12m

Kalispell Glacier Park

Wed 4/15

8:26 pm-6:39 am

1 stop9h 13m

$253

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 3/4

5:29 pm-11:59 pm

1 stop7h 30m

Missoula Johnson-Bell Field

Fri 3/6

4:20 pm-11:56 pm

1 stop6h 36m

$253

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Tue 3/3

5:29 pm-11:59 pm

1 stop7h 30m

Missoula Johnson-Bell Field

Wed 3/4

1:39 pm-11:56 pm

1 stop9h 17m

$253

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Wed 2/18

2:20 pm-10:25 pm

1 stop9h 05m

Bozeman Gallatin Field

Wed 2/25

6:00 am-4:41 pm

2 stops9h 41m

$254

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Tue 2/24

2:05 pm-11:15 pm

2 stops10h 10m

Bozeman Gallatin Field

Sat 2/28

6:00 am-11:45 am

1 stop4h 45m

$254

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sun 2/22

5:25 am-11:24 am

1 stop6h 59m

Bozeman Gallatin Field

Fri 2/27

6:00 am-4:41 pm

2 stops9h 41m

$254

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 5/1

2:20 pm-9:18 pm

1 stop7h 58m

Great Falls

Sat 5/9

2:35 pm-9:23 pm

1 stop5h 48m

$258

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 5/28

7:52 pm-10:13 pm

Nonstop3h 21m

Billings Logan Intl

Sun 5/31

8:45 am-12:45 pm

Nonstop3h 00m

$263

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Fri 2/20

2:40 pm-9:21 pm

1 stop7h 41m

Billings Logan Intl

Mon 2/23

5:53 pm-11:59 pm

1 stop5h 06m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 $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 January 29, 2026.

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 20% 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 January 24, 2026.

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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 January 29, 2026.
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
11,806 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,806 reviews
Alaska Airlines
8.0
Very good
11,806 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,806 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,128 reviews
Alaska Airlines
8.0
Very good
11,806 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,806 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,205 reviews
Alaska Airlines
8.0
Very good
11,806 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 Delta, Alaska Airlines, and United Airlines fly from Chicago O'Hare Intl Airport to Montana in about 6h 04m. The time it takes to get you to your destination can typically vary by up to 1h 54m. Chicago O'Hare Intl Airport and Montana are separated by a distance of 1207 mi. This flight may include one or multiple stops.

  • 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 SkyWest Airlines (100%), Qatar Airways (100%) and American Airlines (83%).

  • 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 $259. The most popular route, (Chicago O'Hare Intl - Bozeman Gallatin Field), can usually be booked for $229.

  • 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 Orlando flights
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Midway to Los Angeles flights
O'Hare Intl to Salt Lake City flights
O'Hare Intl to Nashville flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Ontario flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Boston flights
O'Hare Intl to George Bush Intcntl flights
O'Hare Intl to Honolulu flights
Midway to John F Kennedy Intl flights
Midway to Tampa flights
Midway to Hobby flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Love Field flights
O'Hare Intl to Key West flights
O'Hare Intl to Palm Springs flights
Midway to Newark flights
Midway to Fort Myers flights
O'Hare Intl to Charleston flights
Midway to Denver 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$152Average$389FlexibilityNo cancel feeOn-time63%
DeltaCheapest$169Average$338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$211Average$384FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$245Average$483FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$268Average$522FlexibilityNo cancel feeOn-time75%

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