A bridge over a river, a town with buildings, and mountains in the background.

CA $304 Cheap Flights from Chicago (ORD) to Missoula (MSO)

View CA $304 flight on Sun, Nov 1, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Chicago (ORD) to Missoula (MSO)

Prices were available within the past 7 days and start at CA $304 for one-way flights and CA $470 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Apr 6 - Tue, Apr 13
ORD
Chicago
MSO
Missoula
CA $470 Roundtrip, found 3 days ago
CA $470
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Apr 6 from Chicago to Missoula, returning Tue, Apr 13, priced at CA $470 found 3 days ago
American Airlines
Tue, Apr 6 - Tue, Apr 13
ORD
Chicago
MSO
Missoula
CA $484 Roundtrip, found 3 days ago
CA $484
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Apr 6 from Chicago to Missoula, returning Tue, Apr 13, priced at CA $484 found 3 days ago
Delta
Tue, Apr 6 - Tue, Apr 13
ORD
Chicago
MSO
Missoula
CA $497 Roundtrip, found 3 days ago
CA $497
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Apr 6 from Chicago to Missoula, returning Tue, Apr 13, priced at CA $497 found 3 days ago
Alaska Airlines
Tue, Apr 6 - Tue, Apr 13
ORD
Chicago
MSO
Missoula
CA $539 Roundtrip, found 3 days ago
CA $539
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Apr 6 from Chicago to Missoula, returning Tue, Apr 13, priced at CA $539 found 3 days ago
American Airlines
Tue, Apr 6 - Tue, Apr 13
ORD
Chicago
MSO
Missoula
CA $552 Roundtrip, found 3 days ago
CA $552
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Apr 6 from Chicago to Missoula, returning Tue, Apr 13, priced at CA $552 found 3 days ago
American Airlines
Tue, Apr 6 - Tue, Apr 13
ORD
Chicago
MSO
Missoula
CA $566 Roundtrip, found 3 days ago
CA $566
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Apr 6 from Chicago to Missoula, returning Tue, Apr 13, priced at CA $566 found 3 days ago
Alaska Airlines
Tue, Apr 6 - Tue, Apr 13
ORD
Chicago
MSO
Missoula
CA $580 Roundtrip, found 3 days ago
CA $580
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Apr 6 from Chicago to Missoula, returning Tue, Apr 13, priced at CA $580 found 3 days ago
Alaska Airlines
Mon, Apr 5 - Mon, Apr 12
ORD
Chicago
MSO
Missoula
CA $581 Roundtrip, found 3 days ago
CA $581
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Apr 5 from Chicago to Missoula, returning Mon, Apr 12, priced at CA $581 found 3 days ago
Alaska Airlines
Tue, Apr 6 - Tue, Apr 13
ORD
Chicago
MSO
Missoula
CA $593 Roundtrip, found 3 days ago
CA $593
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Apr 6 from Chicago to Missoula, returning Tue, Apr 13, priced at CA $593 found 3 days ago
Alaska Airlines
Tue, Apr 6 - Tue, Apr 13
ORD
Chicago
MSO
Missoula
CA $607 Roundtrip, found 3 days ago
CA $607
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Apr 6 from Chicago to Missoula, returning Tue, Apr 13, priced at CA $607 found 3 days ago

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) cost?
You can find one-way and return flights from ORD to MSO with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ORD to MSO ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
January is typically the cheapest month to fly from Chicago O'Hare International Airport (ORD) to Missoula International Airport (MSO), with average return fares around CA$514. January often sees lower prices because it falls after the busy holiday travel season, when demand tends to decrease. Other budget-friendly months to consider for flights from Chicago O'Hare International Airport (ORD) to Missoula International Airport (MSO) include August and September.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
There are 2 airlines offering direct flights from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.). Here are the carriers:
  • American Airlines operates 10 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) every week.
  • United operates 9 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) every week.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The cheapest months to fly from Chicago O'Hare International Airport (ORD) to Missoula International Airport (MSO) are typically January and September, with average return flights around CA$514. These months can offer a good balance of more affordable fares, allowing you to save on your trip.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
You'll find around 3 nonstop flights per day from Chicago O'Hare International (ORD) to Missoula International (MSO). For even more choices, look at flights that include layovers, as there are approximately 52 connecting flights per day. Some common connection points include Denver International (DEN), Seattle - Tacoma International (SEA), and Minneapolis - St. Paul International (MSP).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) typically departs around 5:00 AM. This service is offered by American Airlines. This is a seasonal service, active in May, June, and July. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
You'll generally find the most flights from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) on a Thursday, with around 32 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Alaska Airlines. Flight schedules are fairly consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The most popular departure times for flights from Chicago O'Hare International Airport (ORD) to Missoula International Airport (MSO) are in the early morning, from 6am to 9am. Many major carriers, including United, Alaska Airlines and American Airlines, offer flights during this window. Many travellers prefer these times as they allow for an early start to their journey, often arriving at their destination by midday.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
A nonstop flight from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) typically takes around 4 hours. This route covers a distance of approximately 2,139 kilometers (1,329 miles). If you opt for a one-stop flight, your travel time will be longer, usually around 8 hours 30 minutes. Flights with two or more stops will take even longer, typically around 9 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
You can fly business class or first class between ORD and MSO. Airlines that offer business class service on this route include:
  • Alaska Airlines
  • United
  • Delta
  • American Airlines
First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Missoula, MT (MSO) from Chicago, IL (ORD)?
If you're planning to travel to Missoula from O'Hare Intl. (ORD), you can fly directly into Missoula Intl. (MSO). Some flights may connect through major hubs like Minneapolis - St. Paul Intl. (MSP), Hartsfield-Jackson Atlanta Intl. (ATL), or Seattle - Tacoma Intl. (SEA) before reaching Missoula. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Missoula, MT (MSO-Missoula Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Missoula Intl.
Roundtrip price
CA $470
Distance
2125 km
Average flight time
2 hours 57 mins

Book with confidence

Chicago to Missoula Flights

The easy way to book your flights from Chicago to Missoula 

With Expedia, it’s simple to find and book flights to Missoula from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Missoula Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to Missoula today, tomorrow, or this week.  

 

Save dollars with cheap flights from O'Hare Intl., ORD to Missoula Intl., MSO 

Sort your search results by price to find great deals on your flight from Chicago to Missoula—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Missoula from Chicago currently is just CA $470 rising to CA $607.  

Here are more money-saving tips: 

  • Fly in April when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Missoula  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Missoula from Chicago 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Missoula with Expedia today.

Chicago to Missoula Flights

Explore a world of travel with Expedia

*Available to Expedia members.