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Cheap flights from Chicago O'Hare Intl Airport to Montana from $97

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 3/4. 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.
United Airlines Logo
7:52 pm - 10:13 pm
ORD
-
BIL
3h 21mnonstop
United Airlines Logo
2:40 pm - 9:13 pm
BIL
-
ORD
5h 33m
1 stop
$239United Airlines
Wed, Aug 5 - Wed, Aug 19
Hawaiian Airlines Logo
5:29 pm - 11:59 pm
ORD
-
MSO
7h 30m
1 stop
Hawaiian Airlines Logo
6:23 am - 2:13 pm
MSO
-
ORD
6h 50m
1 stop
$243Hawaiian Airlines
Mon, Mar 2 - Tue, Mar 10
American Airlines Logo
9:45 am - 12:35 pm
ORD
-
FCA
3h 50mnonstop
American Airlines Logo
1:25 pm - 6:04 pm
FCA
-
ORD
3h 39mnonstop
$249American Airlines
Tue, May 26 - Wed, Jun 3
Delta Logo
7:45 am - 12:17 pm
ORD
-
BZN
5h 32m
1 stop
Delta Logo
1:12 pm - 9:50 pm
BZN
-
ORD
7h 38m
1 stop
$249Delta
Fri, May 15 - Mon, May 18
Alaska Airlines Logo
7:00 am - 2:08 pm
ORD
-
BZN
8h 08m
1 stop
Alaska Airlines Logo
3:02 pm - 11:56 pm
BZN
-
ORD
7h 54m
1 stop
$250Alaska Airlines
Sat, Feb 28 - Wed, Mar 4
Delta Logo
7:15 am - 12:21 pm
ORD
-
WYS
6h 06m
1 stop
Delta Logo
1:09 pm - 9:58 pm
WYS
-
ORD
7h 49m
1 stop
$252Delta
Sun, Jul 5 - Fri, Jul 17
Alaska Airlines Logo
6:00 am - 12:12 pm
ORD
-
FCA
7h 12m
1 stop
Alaska Airlines Logo
8:26 pm - 6:39 am
FCA
-
ORD
9h 13m
1 stop
$253Alaska Airlines
Tue, Apr 14 - Wed, Apr 15
American Airlines Logo
7:09 pm - 9:38 pm
ORD
-
BZN
3h 29mnonstop
American Airlines Logo
7:00 am - 11:11 am
BZN
-
ORD
3h 11mnonstop
$254American Airlines
Sat, Mar 28 - Sat, Apr 4
Multiple Airlines Logo
7:00 am - 11:55 am
ORD
-
FCA
29h 55m
1 stop
Multiple Airlines Logo
1:35 pm - 3:59 pm
FCA
-
ORD
25h 24m
1 stop
$282Multiple Airlines
Tue, Mar 10 - Mon, Mar 16
Multiple Airlines Logo
6:09 pm - 8:04 pm
ORD
-
MSO
26h 55m
2 stops
Multiple Airlines Logo
8:54 pm - 6:47 am
MSO
-
ORD
8h 53m
1 stop
$291Multiple Airlines
Thu, Apr 23 - Mon, Apr 27

Delta flights from Chicago O'Hare Intl Airport to Montana

Our best Delta deals on Chicago O'Hare Intl Airport to Montana flight tickets
Delta
Mar 17
ORD7:25 amChicago O'Hare Intl
8h 11m
1 stop
BZN2:36 pmBozeman Gallatin Field
Mar 19
BZN5:20 amBozeman Gallatin Field
5h 58m
1 stop
ORD12:18 pmChicago O'Hare Intl
$249
Delta
Jul 5
ORD7:15 amChicago O'Hare Intl
6h 06m
1 stop
WYS12:21 pmWest Yellowstone
Jul 17
WYS1:09 pmWest Yellowstone
7h 49m
1 stop
ORD9:58 pmChicago O'Hare Intl
$252
Delta
Mar 3
ORD11:18 amChicago O'Hare Intl
12h 08m
2 stops
BIL10:26 pmBillings Logan Intl
Mar 9
BIL5:15 amBillings Logan Intl
6h 03m
1 stop
ORD12:18 pmChicago O'Hare Intl
$254

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
May 26
ORD9:45 amChicago O'Hare Intl
3h 50m
FCA12:35 pmKalispell Glacier Park
Jun 3
FCA1:25 pmKalispell Glacier Park
3h 39m
ORD6:04 pmChicago O'Hare Intl
$249
American Airlines
Mar 28
ORD7:09 pmChicago O'Hare Intl
3h 29m
BZN9:38 pmBozeman Gallatin Field
Apr 2
BZN1:49 pmBozeman Gallatin Field
3h 09m
ORD5:58 pmChicago O'Hare Intl
$254
American Airlines
Feb 24
ORD10:09 amChicago O'Hare Intl
3h 29m
BZN12:38 pmBozeman Gallatin Field
Feb 28
BZN7:00 amBozeman Gallatin Field
3h 11m
ORD11:11 amChicago O'Hare Intl
$260

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 February 11, 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

Fly to

Route

Depart

Return

Price

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Wed 8/5

7:52 pm-10:13 pm

Nonstop3h 21m

Billings Logan Intl

Wed 8/19

2:40 pm-9:13 pm

1 stop5h 33m

$239

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Mon 3/2

5:29 pm-11:59 pm

1 stop7h 30m

Missoula Johnson-Bell Field

Tue 3/10

6:23 am-2:13 pm

1 stop6h 50m

$243

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Tue 5/26

9:45 am-12:35 pm

Nonstop3h 50m

Kalispell Glacier Park

Wed 6/3

1:25 pm-6:04 pm

Nonstop3h 39m

$249

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Fri 5/15

7:45 am-12:17 pm

1 stop5h 32m

Bozeman Gallatin Field

Mon 5/18

1:12 pm-9:50 pm

1 stop7h 38m

$249

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 2/28

7:00 am-2:08 pm

1 stop8h 08m

Bozeman Gallatin Field

Wed 3/4

3:02 pm-11:56 pm

1 stop7h 54m

$250

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sun 7/5

7:15 am-12:21 pm

1 stop6h 06m

West Yellowstone

Fri 7/17

1:09 pm-9:58 pm

1 stop7h 49m

$252

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

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 3/28

7:09 pm-9:38 pm

Nonstop3h 29m

Bozeman Gallatin Field

Sat 4/4

7:00 am-11:11 am

Nonstop3h 11m

$254

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Tue 3/10

7:00 am-11:55 am

1 stop29h 55m

Kalispell Glacier Park

Mon 3/16

1:35 pm-3:59 pm

1 stop25h 24m

$282

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 4/23

6:09 pm-8:04 pm

2 stops26h 55m

Missoula Johnson-Bell Field

Mon 4/27

8:54 pm-6:47 am

1 stop8h 53m

$291

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 $260.

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 $307. The most expensive day to fly to Montana is Thursday, with ticket prices averaging around $392.

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 $297. In the afternoon is when there is more demand to fly to Montana, so prices are often more expensive at around $407 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 $381 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 $282 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.

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

$176

Fastest flight time

3h 14m

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 $176. The best round-trip flight deal from Chicago O'Hare Intl Airport to Montana found on momondo in the last 72 hours is $271.
The fastest flight from Chicago O'Hare Intl Airport to Montana takes 3h 14m
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), Bozeman Gallatin Field (BZN).
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
DeltaPriceFrom $169Free CancellationRating
7.9
8,180 reviews
Search Delta flights
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,265 reviews
Search American Airlines flights
United AirlinesPriceFrom $244Free CancellationRating
7.4
9,273 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $268Free CancellationRating
8.0
11,874 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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