C$190 Cheap Flights from Chicago to Missoula

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Flight deals from Chicago to Missoula

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Missoula? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Chicago to Missoula

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Missoula flights are currently cheapest in June.

Direct flights from Chicago to Missoula

Chicago to Missoula: Alternative routes

Compare routes from Chicago to Missoula below. You may find an airport to fly into that's cheaper, faster, or easier than Missoula.

Chicago to Missoula: Flight information

The things to know before you go.
Cheapest flight foundC$190
Cheapest month to flyJune
Average flight time3 hrs, 52 mins
Most popular airlineAlaska Airlines
Average flights per week66

Finding cheap flights from Chicago to Missoula: Frequently asked questions

The best price we found for a return flight from Chicago to Missoula is C$323. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 52 minutes is the average flight time from Chicago to Missoula.
Alaska Airlines, Envoy Air and American Airlines fly direct from Chicago to Missoula.
As of February 2026, there are 33 flights per week flying from Chicago to Missoula.
The cheapest month to fly from Chicago to Missoula is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Missoula Airport on Wednesday, May 27, 2026.
Yes – the average flight time is 3 hours and 52 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Missoula but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Travelling from Chicago to Missoula International Airport (MSO): what you need to know

  • Countless great adventures start at one of Chicago's main airports, O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Check out your options for booking a flight from Chicago to Missoula International Airport (MSO) setting off from either of these bases.

  • 3 hours 41 minutes is the average journey time for a direct flight from Chicago to Missoula International Airport.

  • Missoula International Airport is located in Missoula. The city operates in the UTC-6 timezone and is 1 hour behind Chicago.

  • The busiest route is from O'Hare International Airport (ORD) to Missoula International Airport (MSO), with 5 direct services every week. If you'd like to head off as soon as possible, the earliest flight from ORD to MSO is the 09:00 United service. If you have other commitments or plans on your day of travel, the final departure is at 09:50 with American Airlines.

  • Your flight from Chicago to MSO won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • If you're travelling during a popular month like August, head to the airport even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of a domestic departure. Expect lines to be longer during vacation periods like Thanksgiving, Christmas and New Year.

Airports in Chicago

O'Hare International Airport (ORD)

  • Enjoy an uninterrupted journey from O'Hare International Airport (ORD). Nonstop flights from Chicago to Missoula International Airport (MSO) operate from here.

  • When departing from ORD, you can take a direct flight from Chicago to Missoula International Airport with United.

  • The distance from central Chicago to ORD is about 40 kilometres. Check out travel apps like Google Maps for the quickest route, whether you're driving or taking public transport.

  • Planning to catch an early flight from Chicago to Missoula International Airport? Avoid the stress of rushing to the terminal (and catch some extra z's) by picking one of these hotels near O'Hare International Airport:

Chicago Midway International Airport (MDW)

  • Prefer to leave from Chicago Midway International Airport (MDW)? You can reserve a direct flight from Chicago to Missoula International Airport (MSO) from this popular hub.

  • American Airlines offers direct flights from Chicago to MSO out of MDW. Book your preferred window seat and reach your destination in a single stretch.

  • MDW is about 19 kilometres from central Chicago. It takes 21 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 46 minutes.

  • Want to spoil yourself with an extra night away before boarding your flight from Chicago to MSO? Kick back in a hotel near Chicago Midway International Airport before your trip officially starts. Stay at one of these accommodation options:

About Missoula International Airport (MSO)

Getting from Missoula International Airport (MSO) to central Missoula

  • Missoula International Airport is approximately 11 kilometres from the centre of Missoula. With a cab or in your own car rental, the drive is around 11 minutes.

  • Travelling on public transport will take you roughly 35 minutes.

How to find the cheapest flights from Chicago to Missoula International Airport (MSO)

  • Lock in a one-way ticket from Chicago to Missoula International Airport from C$190 or travel return from just C$323. Fares listed are subject to change and may differ when you make your booking.

  • It's a good idea to book 11 months in advance. Flight price data suggests you're more likely to find flight tickets from Chicago to MSO then.

  • The cheapest month for tickets from Chicago to Missoula International Airport is August. Use the 'Whole month' tool to find the most affordable day to fly if you're flexible with your plans.

  • Log into your online account or use the app to create a Price Alert. You'll get notified right away if there's a better deal on this route. It's easy to do, and it'll save you the hassle of looking for flight tickets from Chicago to MSO every day.

  • Use the filters to tailor your flights from Chicago to Missoula International Airport. Pick your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Cheapest' to see the best deals.

The best time to fly from Chicago to Missoula International Airport (MSO)

  • July is the most popular month for flights from Chicago to Missoula International Airport. To steer clear of the crowds, head to Missoula in February when things are quieter.

  • When booking your flight from Chicago to MSO, think about the kind of weather you enjoy. July is the warmest month in Missoula, with the temperature ranging from 8ºC to 33ºC.

  • December sees average temperatures of between -15ºC and 3ºC. Look for cheap flights from Chicago to Missoula International Airport sometime then if you want to travel when it's cooler.

More about Missoula

Complete your Missoula trip with a car rental

  • Select one of our car rentals in Missoula and see the city at your own pace. Easily compare rates from trusted rental companies in one go after booking your hotel and cheap flights from Chicago to Missoula International Airport.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.