$125 Cheap Flights from Chicago (ORD) to Missoula (MSO)

View $125 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO)

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Cheap Flights from Chicago to Missoula (ORD-MSO)

Prices were available within the past 7 days and start at $125 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Jan 7 - Tue, Jan 27
ORD
Chicago
MSO
Missoula
$228 Roundtrip, found 2 days ago
$228
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 7 from Chicago to Missoula, returning Tue, Jan 27, priced at $228 found 2 days ago
Hawaiian Airlines
Tue, Jan 6 - Tue, Jan 27
ORD
Chicago
MSO
Missoula
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Jan 6 from Chicago to Missoula, returning Tue, Jan 27, priced at $238 found 2 days ago
Hawaiian Airlines
Fri, Jan 23 - Tue, Feb 3
ORD
Chicago
MSO
Missoula
$255 Roundtrip, found 3 days ago
$255
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Jan 23 from Chicago to Missoula, returning Tue, Feb 3, priced at $255 found 3 days ago
Hawaiian Airlines
Fri, Jan 9 - Tue, Jan 27
ORD
Chicago
MSO
Missoula
$257 Roundtrip, found 2 days ago
$257
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Fri, Jan 9 from Chicago to Missoula, returning Tue, Jan 27, priced at $257 found 2 days ago
Hawaiian Airlines
Mon, Jan 12 - Sat, Jan 24
ORD
Chicago
MSO
Missoula
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Mon, Jan 12 from Chicago to Missoula, returning Sat, Jan 24, priced at $258 found 2 days ago
Delta
Tue, Mar 17 - Tue, Mar 31
ORD
Chicago
MSO
Missoula
$261 Roundtrip, just found
$261
Roundtrip
just found
Select Delta flight, departing Tue, Mar 17 from Chicago to Missoula, returning Tue, Mar 31, priced at $261 just found
Hawaiian Airlines
Thu, Jan 8 - Sat, Jan 24
ORD
Chicago
MSO
Missoula
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, Jan 8 from Chicago to Missoula, returning Sat, Jan 24, priced at $263 found 2 days ago
Alaska Airlines
Sat, Jan 10 - Sat, Jan 17
ORD
Chicago
MSO
Missoula
$269 Roundtrip, found 3 hours ago
$269
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Jan 10 from Chicago to Missoula, returning Sat, Jan 17, priced at $269 found 3 hours ago
United
Wed, Feb 18 - Sat, Feb 21
ORD
Chicago
MSO
Missoula
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 18 from Chicago to Missoula, returning Sat, Feb 21, priced at $269 found 1 day ago
American Airlines
Tue, Mar 24 - Thu, Apr 9
ORD
Chicago
MSO
Missoula
$321 Roundtrip, just found
$321
Roundtrip
just found
Select American Airlines flight, departing Tue, Mar 24 from Chicago to Missoula, returning Thu, Apr 9, priced at $321 just found

Find the cheapest month to fly from Chicago (ORD) to Missoula (MSO)

September is typically the cheapest month to fly

From $207 - $403 per traveler.

Alternative airports near Missoula

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Missoula Intl. MSO. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $536
MSO
Missoula Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $536
Flights from Chicago (ORD) to Missoula (MSO)
Origin airport
O'Hare Intl.
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$228
Distance
1328 mi

Chicago to Missoula Flights

The cheapest times to fly from Chicago to Missoula

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Missoula are during the month of January. You can find some of the cheapest flights from Chicago to Missoula with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Missoula

Sunday is one of the best days to book for cheap flights from Chicago to Missoula: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Missoula

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Missoula in 2026. You can also book with separate airlines for your outbound and return journeys, from $125 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Missoula flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Missoula airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO) cost?
Grab a cheap one-way flight from $125 or cheap return flight from $228 from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO)?
Planning your getaway for January may help you find better deals, as it's the cheapest month for flights between ORD and MSO. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ORD to MSO flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO)?
You'll have to catch a flight with a layover when traveling from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from ORD to MSO?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from ORD to MSO?
United Airlines has the best performance for on-time direct flights from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO), with an on-time rating of 85%. Use the Expedia App to look up your flight status before you take off and get real-time updates about any changes.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO)?
To reach Missoula Intl. Airport (MSO) on time, choose a flight that leaves O'Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO) last-minute?
Last-minute fares from ORD to MSO are generally more expensive. To secure the best rates, start searching for flights early. That said, if you're flexible with your travel plans, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book an ORD to MSO flight and hotel package?
You can save money by securing an ORD to MSO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your preferred accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Missoula Intl. Airport (MSO)?
In most cases, you can cancel or reschedule your ORD to MSO flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.