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Cheap flights from Chicago O'Hare Intl Airport to Montana from $102

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 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Delta Logo
8:50 am - 12:34 pm
ORD
-
BZN
4h 44m
1 stop
Delta Logo
2:53 pm - 11:59 pm
BZN
-
ORD
8h 06m
1 stop
$229Delta
mar., avr. 28 - jeu., avr. 30
Southwest Logo
3:05 pm - 9:40 pm
ORD
-
BZN
7h 35m
1 stop
Southwest Logo
7:30 am - 2:20 pm
BZN
-
ORD
5h 50m
1 stop
$241Southwest
sam., avr. 25 - sam., mai 2
United Airlines Logo
7:52 pm - 10:15 pm
ORD
-
BIL
3h 23mnonstop
United Airlines Logo
6:00 pm - 12:44 am
BIL
-
ORD
5h 44m
1 stop
$261United Airlines
mer., juin 3 - mer., juin 17
United Airlines Logo
7:52 pm - 10:15 pm
ORD
-
BIL
3h 23mnonstop
United Airlines Logo
4:10 pm - 10:49 pm
BIL
-
ORD
5h 39m
1 stop
$280United Airlines
mer., mai 27 - lun., juin 1
American Airlines Logo
9:45 am - 12:35 pm
ORD
-
FCA
3h 50mnonstop
American Airlines Logo
4:45 pm - 9:34 pm
FCA
-
ORD
3h 49mnonstop
$309American Airlines
jeu., juin 4 - lun., juin 8
American Airlines Logo
9:55 am - 12:49 pm
ORD
-
MSO
3h 54mnonstop
American Airlines Logo
1:19 pm - 6:03 pm
MSO
-
ORD
3h 44mnonstop
$309American Airlines
mer., juin 3 - mer., juin 10
Alaska Airlines Logo
3:52 pm - 10:42 pm
ORD
-
MSO
7h 50m
1 stop
Alaska Airlines Logo
7:00 am - 6:04 pm
MSO
-
ORD
10h 04m
1 stop
$329Alaska Airlines
lun., sept. 14 - ven., sept. 18
Multiple Airlines Logo
3:27 pm - 10:58 am
ORD
-
MSO
44h 31m
2 stops
Multiple Airlines Logo
8:54 pm - 6:08 am
MSO
-
ORD
8h 14m
1 stop
$333Multiple Airlines
mar., avr. 21 - lun., avr. 27
Multiple Airlines Logo
10:07 pm - 8:04 pm
ORD
-
MSO
22h 57m
1 stop
Multiple Airlines Logo
11:48 am - 6:20 am
MSO
-
ORD
17h 32m
2 stops
$349Multiple Airlines
jeu., avr. 23 - jeu., avr. 30
Alaska Airlines Logo
3:22 pm - 5:35 pm
ORD
-
GTF
27h 13m
1 stop
Alaska Airlines Logo
6:15 pm - 6:40 am
GTF
-
ORD
11h 25m
1 stop
$363Alaska Airlines
mar., avr. 21 - sam., avr. 25

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
Apr 28
ORD8:50 amChicago O'Hare Intl
4h 44m
1 stop
BZN12:34 pmBozeman Gallatin Field
Apr 30
BZN2:53 pmBozeman Gallatin Field
8h 06m
1 stop
ORD11:59 pmChicago O'Hare Intl
$229
Delta
Apr 25
ORD1:29 pmChicago O'Hare Intl
9h 33m
2 stops
BZN10:02 pmBozeman Gallatin Field
May 2
BZN11:59 amBozeman Gallatin Field
8h 19m
1 stop
ORD9:18 pmChicago O'Hare Intl
$246
Delta
May 30
ORD5:00 pmChicago O'Hare Intl
6h 02m
1 stop
BZN10:02 pmBozeman Gallatin Field
Jun 2
BZN8:00 amBozeman Gallatin Field
7h 47m
1 stop
ORD4:47 pmChicago O'Hare Intl
$248

Southwest flights from Chicago O'Hare Intl Airport to Montana

Our best Southwest deals on Chicago O'Hare Intl Airport to Montana flight tickets
Southwest
Apr 25
ORD3:05 pmChicago O'Hare Intl
7h 35m
1 stop
BZN9:40 pmBozeman Gallatin Field
May 2
BZN7:30 amBozeman Gallatin Field
5h 50m
1 stop
ORD2:20 pmChicago O'Hare Intl
$241
Southwest
Apr 25
ORD3:05 pmChicago O'Hare Intl
7h 35m
1 stop
BZN9:40 pmBozeman Gallatin Field
May 2
BZN11:10 amBozeman Gallatin Field
10h 10m
2 stops
ORD10:20 pmChicago O'Hare Intl
$247
Southwest
Apr 25
ORD2:05 pmChicago O'Hare Intl
8h 35m
2 stops
BZN9:40 pmBozeman Gallatin Field
May 2
BZN11:10 amBozeman Gallatin Field
10h 10m
2 stops
ORD10:20 pmChicago O'Hare Intl
$252

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 mars 31, 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

Cheapest round-trip

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

mar. 4/28

8:50 am-12:34 pm

1 stop4h 44m

Bozeman Gallatin Field

jeu. 4/30

2:53 pm-11:59 pm

1 stop8h 06m

$229

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

sam. 4/25

3:05 pm-9:40 pm

1 stop7h 35m

Bozeman Gallatin Field

sam. 5/2

7:30 am-2:20 pm

1 stop5h 50m

$241

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

mer. 6/3

7:52 pm-10:15 pm

Nonstop3h 23m

Billings Logan Intl

mer. 6/17

6:00 pm-12:44 am

1 stop5h 44m

$261

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

mer. 5/27

7:52 pm-10:15 pm

Nonstop3h 23m

Billings Logan Intl

lun. 6/1

4:10 pm-10:49 pm

1 stop5h 39m

$280

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

jeu. 6/4

9:45 am-12:35 pm

Nonstop3h 50m

Kalispell Glacier Park

lun. 6/8

4:45 pm-9:34 pm

Nonstop3h 49m

$309
Quickest round-trip

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

mer. 6/3

9:55 am-12:49 pm

Nonstop3h 54m

Missoula Johnson-Bell Field

mer. 6/10

1:19 pm-6:03 pm

Nonstop3h 44m

$309

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

lun. 9/14

3:52 pm-10:42 pm

1 stop7h 50m

Missoula Johnson-Bell Field

ven. 9/18

7:00 am-6:04 pm

1 stop10h 04m

$329

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

mar. 4/21

3:27 pm-10:58 am

2 stops44h 31m

Missoula Johnson-Bell Field

lun. 4/27

8:54 pm-6:08 am

1 stop8h 14m

$333

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

jeu. 4/23

10:07 pm-8:04 pm

1 stop22h 57m

Missoula Johnson-Bell Field

jeu. 4/30

11:48 am-6:20 am

2 stops17h 32m

$349

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mar. 4/21

3:22 pm-5:35 pm

1 stop27h 13m

Great Falls

sam. 4/25

6:15 pm-6:40 am

1 stop11h 25m

$363

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 $308. The most expensive day to fly to Montana is Thursday, with ticket prices averaging around $373.

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 $303. In the afternoon is when there is more demand to fly to Montana, so prices are often more expensive at around $391 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 $364 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.

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

You could potentially save up to 19% 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

$174

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 $174. The best round-trip flight deal from Chicago O'Hare Intl Airport to Montana found on momondo in the last 72 hours is $299.
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
8,364 reviews
Search Delta flights
American AirlinesPriceFrom $210Free CancellationRating
7.1
11,543 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $226Free CancellationRating
7.9
12,142 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
9,525 reviews
Search United 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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