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Cheap flights from Chicago O'Hare Intl Airport to Montana from $114

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Montana departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Montana

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
3:35 pm - 11:56 pm
ORD
-
BZN
9h 21m1 stop
Hawaiian Airlines Logo
3:03 pm - 11:50 pm
BZN
-
ORD
7h 47m1 stop
$215Hawaiian Airlines
Thu, Jan 29 - Thu, Feb 5
Hawaiian Airlines Logo
3:35 pm - 11:56 pm
ORD
-
BZN
9h 21m1 stop
Hawaiian Airlines Logo
3:03 pm - 11:50 pm
BZN
-
ORD
7h 47m1 stop
$221Hawaiian Airlines
Thu, Jan 29 - Thu, Feb 5
Alaska Airlines Logo
5:29 pm - 11:56 pm
ORD
-
BZN
7h 27m1 stop
Alaska Airlines Logo
7:00 am - 4:33 pm
BZN
-
ORD
8h 33m1 stop
$227Alaska Airlines
Wed, Mar 4 - Sat, Mar 7
Alaska Airlines Logo
5:29 pm - 11:56 pm
ORD
-
BZN
7h 27m1 stop
Alaska Airlines Logo
7:00 am - 4:33 pm
BZN
-
ORD
8h 33m1 stop
$228Alaska Airlines
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
9:00 am - 11:33 am
ORD
-
BZN
3h 33mnonstop
United Airlines Logo
12:46 pm - 4:55 pm
BZN
-
ORD
3h 09mnonstop
$229United Airlines
Sat, Jan 10 - Wed, Jan 14
American Airlines Logo
7:37 pm - 10:02 pm
ORD
-
BZN
3h 25mnonstop
American Airlines Logo
1:42 pm - 5:49 pm
BZN
-
ORD
3h 07mnonstop
$230American Airlines
Thu, Jan 29 - Thu, Feb 5
American Airlines Logo
10:10 am - 12:44 pm
ORD
-
BZN
3h 34mnonstop
American Airlines Logo
1:42 pm - 5:49 pm
BZN
-
ORD
3h 07mnonstop
$231American Airlines
Sat, Jan 3 - Fri, Jan 9
Delta Logo
5:30 am - 2:06 pm
ORD
-
BZN
9h 36m1 stop
Delta Logo
5:15 am - 12:41 pm
BZN
-
ORD
6h 26m1 stop
$249Delta
Sat, Jan 3 - Fri, Jan 9
Delta Logo
12:30 pm - 7:25 pm
ORD
-
BIL
7h 55m1 stop
Delta Logo
6:22 am - 11:47 am
BIL
-
ORD
4h 25m1 stop
$249Delta
Sun, Jan 11 - Sun, Jan 18
United Airlines Logo
2:40 pm - 9:21 pm
ORD
-
BIL
7h 41m1 stop
United Airlines Logo
5:53 pm - 11:59 pm
BIL
-
ORD
5h 06m1 stop
$280United Airlines
Sat, Feb 21 - Thu, Feb 26

American Airlines flights from Chicago O'Hare Intl Airport to Montana

Our best American Airlines deals on Chicago O'Hare Intl Airport to Montana flight tickets
American Airlines
Jan 29
ORD7:37 pmChicago O'Hare Intl
3h 25m
BZN10:02 pmBozeman Gallatin Field
Feb 5
BZN1:42 pmBozeman Gallatin Field
3h 07m
ORD5:49 pmChicago O'Hare Intl
$230
Find similar
American Airlines
Jan 3
ORD10:10 amChicago O'Hare Intl
3h 34m
BZN12:44 pmBozeman Gallatin Field
Jan 9
BZN1:42 pmBozeman Gallatin Field
3h 07m
ORD5:49 pmChicago O'Hare Intl
$231
Find similar
American Airlines
Jan 4
ORD6:00 amChicago O'Hare Intl
8h 59m
1 stop
BZN1:59 pmBozeman Gallatin Field
Jan 10
BZN7:00 amBozeman Gallatin Field
3h 14m
ORD11:14 amChicago O'Hare Intl
$240
Find similar

Hawaiian Airlines flights from Chicago O'Hare Intl Airport to Montana

Our best Hawaiian Airlines deals on Chicago O'Hare Intl Airport to Montana flight tickets
Hawaiian Airlines
Mar 24
ORD7:00 amChicago O'Hare Intl
8h 39m
1 stop
BZN2:39 pmBozeman Gallatin Field
Apr 1
BZN3:39 pmBozeman Gallatin Field
7h 19m
1 stop
ORD11:58 pmChicago O'Hare Intl
$207
Find similar
Hawaiian Airlines
Jan 29
ORD3:35 pmChicago O'Hare Intl
9h 21m
1 stop
BZN11:56 pmBozeman Gallatin Field
Feb 5
BZN3:03 pmBozeman Gallatin Field
7h 47m
1 stop
ORD11:50 pmChicago O'Hare Intl
$215
Find similar
Hawaiian Airlines
Jan 29
ORD3:35 pmChicago O'Hare Intl
9h 21m
1 stop
BZN11:56 pmBozeman Gallatin Field
Feb 5
BZN3:03 pmBozeman Gallatin Field
7h 47m
1 stop
ORD11:50 pmChicago O'Hare Intl
$221
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated December 15, 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

Fly to

Route

Depart

Return

Price

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Thu 1/29

3:35 pm-11:56 pm

1 stop9h 21m

Bozeman Gallatin Field

Thu 2/5

3:03 pm-11:50 pm

1 stop7h 47m

$215

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Thu 1/29

3:35 pm-11:56 pm

1 stop9h 21m

Bozeman Gallatin Field

Thu 2/5

3:03 pm-11:50 pm

1 stop7h 47m

$221

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Wed 3/4

5:29 pm-11:56 pm

1 stop7h 27m

Bozeman Gallatin Field

Sat 3/7

7:00 am-4:33 pm

1 stop8h 33m

$227

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Tue 3/3

5:29 pm-11:56 pm

1 stop7h 27m

Bozeman Gallatin Field

Tue 3/10

7:00 am-4:33 pm

1 stop8h 33m

$228

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 1/10

9:00 am-11:33 am

Nonstop3h 33m

Bozeman Gallatin Field

Wed 1/14

12:46 pm-4:55 pm

Nonstop3h 09m

$229

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Thu 1/29

7:37 pm-10:02 pm

Nonstop3h 25m

Bozeman Gallatin Field

Thu 2/5

1:42 pm-5:49 pm

Nonstop3h 07m

$230

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 1/3

10:10 am-12:44 pm

Nonstop3h 34m

Bozeman Gallatin Field

Fri 1/9

1:42 pm-5:49 pm

Nonstop3h 07m

$231

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 1/3

5:30 am-2:06 pm

1 stop9h 36m

Bozeman Gallatin Field

Fri 1/9

5:15 am-12:41 pm

1 stop6h 26m

$249

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sun 1/11

12:30 pm-7:25 pm

1 stop7h 55m

Billings Logan Intl

Sun 1/18

6:22 am-11:47 am

1 stop4h 25m

$249

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sat 2/21

2:40 pm-9:21 pm

1 stop7h 41m

Billings Logan Intl

Thu 2/26

5:53 pm-11:59 pm

1 stop5h 06m

$280

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Montana from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Montana

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Montana?

The cheapest month to fly to Montana from Chicago O'Hare Intl Airport is in October. Flight prices, which tend to average around $249, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Montana, with average flight prices from Chicago O'Hare Intl Airport averaging around $302.

What is the cheapest day to depart on your flight to Montana?

Our data shows that Tuesday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $321. The most expensive day to fly to Montana is Thursday, with ticket prices averaging around $398.

What is the cheapest time of day to depart on your flight to Montana?

The cheapest time of day to fly to Montana is at noon when flights can be purchased for as low as $290. In the afternoon is when there is more demand to fly to Montana, so prices are often more expensive at around $404 per ticket.

What is the cheapest Chicago O'Hare Intl to Montana flight route?

Fly from Chicago O'Hare Intl to Bozeman Gallatin Field for the best Chicago O'Hare Intl - Montana flight prices

How far in advance should I book a flight to Montana?

You are more likely to see cheaper flights to Montana from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from Chicago O'Hare Intl Airport for as low as $328 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Montana flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Montana flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Montana flights?

You could potentially save up to 11% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Montana flight.

Cheap Chicago O'Hare Intl Airport to Montana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Montana

Best Price Found

$135

Fastest flight time

3h 11m

Direct flights

Every day

Airports in Montana

32 airports
The best one-way flight to Montana from Chicago O'Hare Intl Airport in the past 72 hours is $135. The best round-trip flight deal from Chicago O'Hare Intl Airport to Montana found on momondo in the last 72 hours is $285.
The fastest flight from Chicago O'Hare Intl Airport to Montana takes 3h 11m
Direct flights go from Chicago O'Hare Intl Airport to Montana every day.
There are 32 airports in Montana. From Chicago O'Hare Intl Airport there are direct flights to Billings Logan Intl (BIL), Kalispell Glacier Park (FCA), Bozeman Gallatin Field (BZN), Missoula Johnson-Bell Field (MSO).
Search flight deals

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Montana?

    Prices for flights from Chicago O'Hare Intl Airport to Montana are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Montana?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Montana?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Montana.

  • What documentation or ID do you need to fly to Montana?

    The travel and health documents you'll need for your trip to Montana may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montana. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Montana?

Best airlines flying from Chicago O'Hare Intl Airport to Montana

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Montana with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $152Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $211Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $270Free CancellationRating
8.0
11,451 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Montana?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Montana. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Montana with flexible booking policies on momondo?

All flight searches from Chicago to Montana on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Montana?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Montana from Chicago.

I’m not ready to book a flight from Chicago to Montana right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Montana now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Montana and let you know when they change.

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