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Cheap flights from Chicago O'Hare Intl Airport to Montana from $79

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 11/1. 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

Southwest Logo
1:50 pm - 9:30 pmORD-BZN
8h 40m1 stop
Southwest Logo
6:25 am - 2:25 pmBZN-ORD
7h 00m1 stop
$175Southwest
Find Deal
Sat, Sep 6 - Mon, Sep 8
Hawaiian Airlines Logo
8:00 am - 2:14 pmORD-BZN
7h 14m1 stop
Hawaiian Airlines Logo
3:08 pm - 12:03 amBZN-ORD
7h 55m1 stop
$190Hawaiian Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
American Airlines Logo
10:36 am - 1:08 pmORD-BZN
3h 32mnonstop
American Airlines Logo
4:54 pm - 9:04 pmBZN-ORD
3h 10mnonstop
$191American Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
American Airlines Logo
10:25 am - 12:39 pmORD-BZN
3h 14mnonstop
American Airlines Logo
1:33 pm - 5:43 pmBZN-ORD
3h 10mnonstop
$196American Airlines
Find Deal
Sun, Aug 24 - Wed, Aug 27
United Airlines Logo
7:15 am - 9:54 amORD-BZN
3h 39mnonstop
United Airlines Logo
4:20 pm - 11:59 pmBZN-ORD
6h 39m1 stop
$201United Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 16
United Airlines Logo
9:20 am - 11:44 amORD-BZN
3h 24mnonstop
United Airlines Logo
4:20 pm - 10:42 pmBZN-ORD
5h 22m1 stop
$206United Airlines
Find Deal
Mon, Aug 25 - Wed, Aug 27
Alaska Airlines Logo
6:20 am - 2:14 pmORD-BZN
8h 54m1 stop
Alaska Airlines Logo
3:08 pm - 12:03 amBZN-ORD
7h 55m1 stop
$210Alaska Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Alaska Airlines Logo
8:00 am - 2:14 pmORD-BZN
7h 14m1 stop
Alaska Airlines Logo
7:23 pm - 7:03 amBZN-ORD
10h 40m1 stop
$228Alaska Airlines
Find Deal
Sat, Sep 6 - Mon, Sep 15
Delta Logo
8:10 pm - 11:56 pmORD-BZN
4h 46m1 stop
Delta Logo
5:30 am - 11:53 amBZN-ORD
5h 23m1 stop
$237Delta
Find Deal
Sun, Sep 14 - Wed, Sep 17
Delta Logo
5:15 pm - 11:56 pmORD-BZN
7h 41m1 stop
Delta Logo
5:30 am - 5:01 pmBZN-ORD
10h 31m2 stops
$242Delta
Find Deal
Sat, Sep 13 - Sat, Sep 20

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Montana flight tickets
United Airlines
Aug 20
ORD9:20 amChicago O'Hare Intl
3h 24m
BZN11:44 amBozeman Gallatin Field
Aug 27
BZN8:00 amBozeman Gallatin Field
3h 05m
ORD12:05 pmChicago O'Hare Intl
$196
Find similar
United Airlines
Sep 13
ORD7:15 amChicago O'Hare Intl
3h 39m
BZN9:54 amBozeman Gallatin Field
Sep 16
BZN4:20 pmBozeman Gallatin Field
6h 39m
1 stop
ORD11:59 pmChicago O'Hare Intl
$201
Find similar
United Airlines
Aug 20
ORD7:15 amChicago O'Hare Intl
7h 16m
1 stop
BZN1:31 pmBozeman Gallatin Field
Aug 27
BZN8:00 amBozeman Gallatin Field
3h 05m
ORD12:05 pmChicago O'Hare Intl
$206
Find similar

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
Sep 14
ORD8:10 pmChicago O'Hare Intl
4h 46m
1 stop
BZN11:56 pmBozeman Gallatin Field
Sep 17
BZN5:30 amBozeman Gallatin Field
5h 23m
1 stop
ORD11:53 amChicago O'Hare Intl
$237
Find similar
Delta
Sep 13
ORD5:15 pmChicago O'Hare Intl
7h 41m
1 stop
BZN11:56 pmBozeman Gallatin Field
Sep 20
BZN5:30 amBozeman Gallatin Field
10h 31m
2 stops
ORD5:01 pmChicago O'Hare Intl
$242
Find similar
Delta
Jan 3
ORD5:50 pmChicago O'Hare Intl
6h 44m
1 stop
BZN11:34 pmBozeman Gallatin Field
Jan 7
BZN6:00 amBozeman Gallatin Field
7h 56m
1 stop
ORD2:56 pmChicago O'Hare Intl
$243
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 August 7, 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

Sat 9/6

1:50 pm-9:30 pm

1 stop8h 40m

Bozeman Gallatin Field

Mon 9/8

6:25 am-2:25 pm

1 stop7h 00m

$175

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 9/13

8:00 am-2:14 pm

1 stop7h 14m

Bozeman Gallatin Field

Sat 9/20

3:08 pm-12:03 am

1 stop7h 55m

$190

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 10/11

10:36 am-1:08 pm

Nonstop3h 32m

Bozeman Gallatin Field

Sat 10/18

4:54 pm-9:04 pm

Nonstop3h 10m

$191

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sun 8/24

10:25 am-12:39 pm

Nonstop3h 14m

Bozeman Gallatin Field

Wed 8/27

1:33 pm-5:43 pm

Nonstop3h 10m

$196

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 9/13

7:15 am-9:54 am

Nonstop3h 39m

Bozeman Gallatin Field

Tue 9/16

4:20 pm-11:59 pm

1 stop6h 39m

$201

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Mon 8/25

9:20 am-11:44 am

Nonstop3h 24m

Bozeman Gallatin Field

Wed 8/27

4:20 pm-10:42 pm

1 stop5h 22m

$206

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 9/13

6:20 am-2:14 pm

1 stop8h 54m

Bozeman Gallatin Field

Sat 9/20

3:08 pm-12:03 am

1 stop7h 55m

$210

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 9/6

8:00 am-2:14 pm

1 stop7h 14m

Bozeman Gallatin Field

Mon 9/15

7:23 pm-7:03 am

1 stop10h 40m

$228

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sun 9/14

8:10 pm-11:56 pm

1 stop4h 46m

Bozeman Gallatin Field

Wed 9/17

5:30 am-11:53 am

1 stop5h 23m

$237

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

Sat 9/13

5:15 pm-11:56 pm

1 stop7h 41m

Bozeman Gallatin Field

Sat 9/20

5:30 am-5:01 pm

2 stops10h 31m

$242

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 August. Flight prices, which tend to average around $364, 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 $378.

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 $385. The most expensive day to fly to Montana is Sunday, with ticket prices averaging around $454.

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 $291. In the afternoon is when there is more demand to fly to Montana, so prices are often more expensive at around $531 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 $441 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 $347 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 14% 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

$79

Fastest flight time

3h 00m

Direct flights

Every day

Airports in Montana

5 airports
The best one-way flight to Montana from Chicago O'Hare Intl Airport in the past 72 hours is $79. The best round-trip flight deal from Chicago O'Hare Intl Airport to Montana found on momondo in the last 72 hours is $175.
The fastest flight from Chicago O'Hare Intl Airport to Montana takes 3h 00m
Direct flights go from Chicago O'Hare Intl Airport to Montana every day.
There are 5 airports near Montana: Billings Logan Intl (BIL), Kalispell Glacier Park (FCA), Bozeman Gallatin Field (BZN), Great Falls (GTF), Missoula Johnson-Bell Field (MSO)
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  • 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
American AirlinesPriceFrom $211Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $225Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $236Free CancellationRating
8.0
7,985 reviews
Search Delta flights
SouthwestPriceFrom $244Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,917 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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