Cheap flights from Chicago O'Hare Intl Airport to Montana from $117
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 12/9. 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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Fly from
Fly to
Route
Depart
Return
ChicagoMissoula
ORD Chicago O'Hare Intl - MSO Missoula Johnson-Bell Field
ORDMSO
Chicago O'Hare Intl
Wed 11/11
9:40 am-12:36 pm
Nonstop3h 56m
Missoula Johnson-Bell Field
Sat 11/14
1:06 pm-5:52 pm
Nonstop3h 46m
ChicagoMissoula
ORD Chicago O'Hare Intl - MSO Missoula Johnson-Bell Field
ORDMSO
Chicago O'Hare Intl
Fri 12/11
10:05 am-1:17 pm
Nonstop4h 12m
Missoula Johnson-Bell Field
Mon 12/14
1:47 pm-6:22 pm
Nonstop3h 35m
ChicagoMissoula
ORD Chicago O'Hare Intl - MSO Missoula Johnson-Bell Field
ORDMSO
Chicago O'Hare Intl
Wed 11/11
2:30 pm-9:47 pm
1 stop8h 17m
Missoula Johnson-Bell Field
Sat 11/14
5:24 pm-11:59 pm
1 stop5h 35m
ChicagoMissoula
ORD Chicago O'Hare Intl - MSO Missoula Johnson-Bell Field
ORDMSO
Chicago O'Hare Intl
Wed 11/11
8:40 am-1:31 pm
1 stop5h 51m
Missoula Johnson-Bell Field
Mon 11/16
2:37 pm-11:59 pm
1 stop8h 22m
ChicagoMissoula
ORD Chicago O'Hare Intl - MSO Missoula Johnson-Bell Field
ORDMSO
Chicago O'Hare Intl
Tue 11/10
7:17 pm-12:20 am
1 stop6h 03m
Missoula Johnson-Bell Field
Wed 11/18
5:30 am-12:03 pm
1 stop5h 33m
ChicagoMissoula
ORD Chicago O'Hare Intl - MSO Missoula Johnson-Bell Field
ORDMSO
Chicago O'Hare Intl
Fri 11/13
7:17 pm-12:20 am
1 stop6h 03m
Missoula Johnson-Bell Field
Sat 11/14
8:30 am-4:41 pm
1 stop7h 11m
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Tue 2/23
5:55 pm-11:59 pm
1 stop7h 04m
Bozeman Gallatin Field
Mon 3/1
3:00 pm-11:59 pm
1 stop7h 59m
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Mon 2/22
6:00 am-2:06 pm
1 stop9h 06m
Bozeman Gallatin Field
Wed 2/24
3:00 pm-11:59 pm
1 stop7h 59m
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Wed 11/18
4:36 pm-9:38 am
2 stops18h 02m
Bozeman Gallatin Field
Sun 11/22
10:28 am-5:10 am
1 stop17h 42m
ChicagoKalispell
ORD Chicago O'Hare Intl - FCA Kalispell Glacier Park
ORDFCA
Chicago O'Hare Intl
Wed 12/2
6:21 am-9:28 am
1 stop28h 07m
Kalispell Glacier Park
Sun 12/6
10:18 am-5:01 am
1 stop17h 43m
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 April. Flight prices, which tend to average around $358, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Montana, with average flight prices from Chicago O'Hare Intl Airport averaging around $360.
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 $365. The most expensive day to fly to Montana is Thursday, with ticket prices averaging around $403.
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 $362. In the afternoon is when there is more demand to fly to Montana, so prices are often more expensive at around $416 per ticket.
What is the cheapest Chicago O'Hare Intl to Montana flight route?
Fly from Chicago O'Hare Intl to Missoula Johnson-Bell Field for the best Chicago O'Hare Intl - Montana flight prices
How far in advance should I book a flight from Chicago O'Hare Intl Airport 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 $390 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 $317 on momondo.
What cabin class options are available on Chicago O'Hare Intl Airport to Montana flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Montana flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago O'Hare Intl to Montana?
Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Chicago O'Hare Intl to Montana
What airlines fly to Montana?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Montana from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 4 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to Montana on average per day?
The number of flights available between Chicago O'Hare Intl Airport and Montana is 8 per day as of October 2026. The most frequent departure time is 9:00AM, with 79% of daily flights leaving at noon.
How many flights depart from Chicago O'Hare Intl Airport to Montana on average per week?
As of October 2026, 59 flights take off from Chicago O'Hare Intl Airport and land in Montana each week. The most common flight departure day for this route is Tue, with 15% of weekly flights taking off on this day.
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
Frequently asked questions about flying from Chicago O'Hare Intl Airport to Montana
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?
There are 4 operators available for flights from Chicago O'Hare Intl Airport to Montana as of October 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Montana is Boeing 737 MAX 8 (26.62% of total bookings). The next most popular plane models are Boeing 737-800 (26.37%), Embraer 175 (Enhanced Winglets) (9.82%), and Airbus A320-100/200 (8.52%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $216 | Free Cancellation | Rating 7.8 8,653 reviews | |||
| PriceFrom $226 | Free Cancellation | Rating 7.9 13,052 reviews | |||
| PriceFrom $229 | Free Cancellation | Rating 7.0 12,149 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.4 10,350 reviews |
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.