Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Montana to Chicago from $96

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Chicago departing on 1/23. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Montana to Chicago

Cheap round-trip flights

American Airlines Logo
1:05 pm - 5:35 pmMSO-ORD
3h 30mnonstop
American Airlines Logo
9:45 am - 12:25 pmORD-MSO
3h 40mnonstop
$191American Airlines
Find Deal
Wed, Jan 21 - Mon, Jan 26
American Airlines Logo
7:00 am - 5:38 pmMSO-ORD
9h 38m1 stop
American Airlines Logo
9:45 am - 12:25 pmORD-MSO
3h 40mnonstop
$201American Airlines
Find Deal
Wed, Jan 21 - Mon, Jan 26
Alaska Airlines Logo
5:45 am - 1:04 pmMSO-ORD
6h 19m1 stop
Alaska Airlines Logo
7:45 am - 1:52 pmORD-MSO
7h 07m1 stop
$210Alaska Airlines
Find Deal
Wed, Jan 21 - Mon, Jan 26
Alaska Airlines Logo
3:04 pm - 11:59 pmBZN-ORD
7h 55m1 stop
Alaska Airlines Logo
6:00 am - 2:08 pmORD-BZN
9h 08m1 stop
$210Alaska Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
Delta Logo
8:00 am - 8:38 pmMSO-ORD
11h 38m2 stops
Delta Logo
6:59 pm - 12:31 amORD-MSO
6h 32m1 stop
$242Delta
Find Deal
Wed, Jan 21 - Mon, Jan 26
United Airlines Logo
11:58 am - 3:58 pmBIL-ORD
3h 00mnonstop
United Airlines Logo
8:55 am - 11:16 amORD-BIL
3h 21mnonstop
$244United Airlines
Find Deal
Fri, Oct 10 - Thu, Oct 16
Delta Logo
8:00 am - 8:38 pmMSO-ORD
11h 38m2 stops
Delta Logo
1:35 pm - 12:31 amORD-MSO
11h 56m2 stops
$247Delta
Find Deal
Wed, Jan 21 - Mon, Jan 26
Frontier Logo
12:50 pm - 12:59 amMSO-ORD
11h 09m1 stop
Frontier Logo
6:50 am - 11:55 amORD-MSO
6h 05m1 stop
$253Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
United Airlines Logo
12:31 pm - 5:05 pmMSO-ORD
3h 34mnonstop
United Airlines Logo
10:40 am - 4:01 pmORD-MSO
6h 21m1 stop
$259United Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Frontier Logo
12:50 pm - 12:59 amMSO-ORD
11h 09m1 stop
Frontier Logo
6:50 am - 11:55 amORD-MSO
6h 05m1 stop
$268Frontier
Find Deal
Fri, Oct 10 - Mon, Oct 13

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

Our best American Airlines deals on Montana to Chicago O'Hare Intl Airport flight tickets
American Airlines
Jan 21
MSO1:05 pmMissoula Johnson-Bell Field
3h 30m
ORD5:35 pmChicago O'Hare Intl
Jan 26
ORD9:45 amChicago O'Hare Intl
3h 40m
MSO12:25 pmMissoula Johnson-Bell Field
$191
Find similar
American Airlines
Jan 21
MSO7:00 amMissoula Johnson-Bell Field
9h 38m
1 stop
ORD5:38 pmChicago O'Hare Intl
Jan 26
ORD9:45 amChicago O'Hare Intl
3h 40m
MSO12:25 pmMissoula Johnson-Bell Field
$201
Find similar
American Airlines
Oct 25
BIL12:20 pmBillings Logan Intl
2h 57m
ORD4:17 pmChicago O'Hare Intl
Oct 29
ORD9:40 amChicago O'Hare Intl
3h 10m
BIL11:50 amBillings Logan Intl
$229
Find similar

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

Our best Alaska Airlines deals on Montana to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
Jan 21
MSO5:45 amMissoula Johnson-Bell Field
6h 19m
1 stop
ORD1:04 pmChicago O'Hare Intl
Jan 26
ORD7:45 amChicago O'Hare Intl
7h 07m
1 stop
MSO1:52 pmMissoula Johnson-Bell Field
$210
Find similar
Alaska Airlines
Oct 20
BZN3:04 pmBozeman Gallatin Field
7h 55m
1 stop
ORD11:59 pmChicago O'Hare Intl
Oct 25
ORD8:00 amChicago O'Hare Intl
7h 10m
1 stop
BZN2:10 pmBozeman Gallatin Field
$228
Find similar
Alaska Airlines
Oct 23
BZN7:34 pmBozeman Gallatin Field
9h 50m
1 stop
ORD6:24 amChicago O'Hare Intl
Oct 26
ORD6:00 amChicago O'Hare Intl
9h 08m
1 stop
BZN2:08 pmBozeman Gallatin Field
$230
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Chicago O'Hare Intl Airport 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 September 24, 2025.
Use the filters below to find and compare flights from Montana to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

1:05 pm-5:35 pm

Nonstop3h 30m

Chicago O'Hare Intl

Mon 1/26

9:45 am-12:25 pm

Nonstop3h 40m

$191

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

7:00 am-5:38 pm

1 stop9h 38m

Chicago O'Hare Intl

Mon 1/26

9:45 am-12:25 pm

Nonstop3h 40m

$201

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

5:45 am-1:04 pm

1 stop6h 19m

Chicago O'Hare Intl

Mon 1/26

7:45 am-1:52 pm

1 stop7h 07m

$210

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Fri 10/24

3:04 pm-11:59 pm

1 stop7h 55m

Chicago O'Hare Intl

Sun 10/26

6:00 am-2:08 pm

1 stop9h 08m

$210

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

8:00 am-8:38 pm

2 stops11h 38m

Chicago O'Hare Intl

Mon 1/26

6:59 pm-12:31 am

1 stop6h 32m

$242

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 10/10

11:58 am-3:58 pm

Nonstop3h 00m

Chicago O'Hare Intl

Thu 10/16

8:55 am-11:16 am

Nonstop3h 21m

$244

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

8:00 am-8:38 pm

2 stops11h 38m

Chicago O'Hare Intl

Mon 1/26

1:35 pm-12:31 am

2 stops11h 56m

$247

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 10/17

12:50 pm-12:59 am

1 stop11h 09m

Chicago O'Hare Intl

Mon 10/20

6:50 am-11:55 am

1 stop6h 05m

$253

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 10/22

12:31 pm-5:05 pm

Nonstop3h 34m

Chicago O'Hare Intl

Wed 10/29

10:40 am-4:01 pm

1 stop6h 21m

$259

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 10/10

12:50 pm-12:59 am

1 stop11h 09m

Chicago O'Hare Intl

Mon 10/13

6:50 am-11:55 am

1 stop6h 05m

$268

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

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

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 Chicago O'Hare Intl Airport?

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Montana averaging around $305.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $465. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Montana because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $663.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Montana in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $379 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $558. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Montana when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Montana for as low as $247 on momondo.

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

There are 4 cabin classes available to choose from on Montana to Chicago O'Hare Intl 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 Montana to Chicago O'Hare Intl Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a Montana to Chicago O'Hare Intl Airport flight.

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

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

Best Price Found

$195

Fastest flight time

2h 54m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Montana in the past 72 hours is $195. The best round-trip flight deal from Montana to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $337.
The fastest flight from Montana to Chicago O'Hare Intl Airport takes 2h 54m
Direct flights go from Montana to Chicago O'Hare Intl Airport every day.
Search flight deals

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

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

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

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

    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 Montana to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. 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 Montana to Chicago O'Hare Intl Airport?

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

Compare and see reviews for airlines that fly from Montana to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $191Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $267Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $388Free CancellationRating
8.0
4,244 reviews
Search Southwest flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Rockford
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Orland Park
Tinley Park
Elgin
Aurora
Janesville
Benton Harbor

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Montana.

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

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

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

Once all potential Montana to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Montana to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/24
Fri 10/31
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago