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Cheap Flights from Chicago to Missoula

Your route at a glance

Cheapest dealR 4,004
Cheapest monthFebruary
Average flight duration3 hours and 50 minutes
Most popular airlineUnited

Compare Chicago to Missoula flight deals

Find the cheapest month or even day of the year to fly to Missoula

Book the best Missoula fare with no extra fees

Flight deals from Chicago to Missoula

Looking for a cheap last-minute deal or the best return flight from Chicago to Missoula? Find the lowest prices on one-way and return tickets right here.
Missoula.R 2,003 per passenger.Departing Thu, 15 Jan.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 15 Jan, arriving in Missoula.Price includes taxes and charges.From R 2,003, select.
Missoula.R 3,007 per passenger.Departing Wed, 3 Jun.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 3 Jun, arriving in Missoula.Price includes taxes and charges.From R 3,007, select.
Missoula.R 3,161 per passenger.Departing Sun, 15 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Chicago O'Hare International on Sun, 15 Feb, arriving in Missoula.Price includes taxes and charges.From R 3,161, select.
Missoula.R 3,286 per passenger.Departing Thu, 26 Mar.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Chicago O'Hare International on Thu, 26 Mar, arriving in Missoula.Price includes taxes and charges.From R 3,286, select.
Missoula.R 3,707 per passenger.Departing Thu, 25 Dec.One-way flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Thu, 25 Dec, arriving in Missoula.Price includes taxes and charges.From R 3,707, select.
Missoula.R 28,458 per passenger.Departing Thu, 19 Mar.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Chicago O'Hare International on Thu, 19 Mar, arriving in Missoula.Price includes taxes and charges.From R 28,458, select.

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 January.
Dec
from R 3,707
Jan
from R 2,003
Feb
from R 3,161
Mar
from R 3,286
Apr
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May
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Jun
from R 3,007
Jul
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Aug
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Sep
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Oct
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Nov
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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.

Finding cheap flights from Chicago to Missoula: Frequently asked questions

The best price we found for a return flight from Chicago to Missoula is R 4,004. 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 50 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 December 2025, there are 72 flights per week flying from Chicago to Missoula.
The cheapest month to fly from Chicago to Missoula is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Missoula Airport on Thursday, 5 February 2026.
Yes – the average flight time is 3 hours and 50 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Missoula is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Chicago to Missoula International Airport (MSO): What you need to know

  • Your travel story starts 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.

  • Expect to be in the air for 3 hours 45 minutes. That's the average duration of a direct Chicago to Missoula International Airport flight.

  • Missoula is one hour behind Chicago. Missoula International Airport is located in Missoula, which is in the UTC-6 timezone.

  • The most popular route is from O'Hare International Airport (ORD) to Missoula International Airport (MSO). Take your pick of 6 direct services each week. United Airlines operates a 8:50am departure between ORD and MSO.

  • Leave enough time to catch your flight from Chicago to MSO. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • In peak travel periods, expect longer wait times and show up earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in Chicago

O'Hare International Airport (ORD)

  • O'Hare International Airport (ORD) offers an easy route to your destination. Nonstop flights from Chicago to Missoula International Airport (MSO) operate out of this terminal.

  • American Airlines is a well-known carrier that operates direct flights from Chicago to Missoula International Airport taking off from ORD.

  • American Airlines is the airline most travellers choose for flights from ORD to MSO.

  • ORD is about 40 kilometres from central Chicago. If you're driving, ride-sharing or catching a cab from the centre, it'll take 35 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 55 minutes.

  • Catching an early flight from Chicago to Missoula International Airport? Avoid the mad dash to the terminal (and sneak in some extra precious sleep) by staying at one of these stays near O'Hare International Airport:

  • Of the flights that depart from O'Hare International Airport, 74.85% arrive as scheduled at their destination.

  • The address for ORD is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • You can reach MDW from the centre of Chicago in about 20 minutes by car (depending on traffic conditions). The ride on public transport takes roughly 45 minutes to travel the 19 kilometres or so.

  • Flying out early in the morning? You might like to check in to one of these accommodation options near Chicago Midway International Airport the day before your Chicago to MSO flight:

  • When it comes to flights staying on schedule, Chicago Midway International Airport has an on-time arrival performance of 77.88%.

  • MDW is located at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • The trip to RFD from central Chicago is around 4 hours 15 minutes by public transport. If you're in a car, it'll take you roughly 1 hour 25 minutes to cover the 137 kilometres or so.

  • Relax in bed for a little longer and still make your Chicago to Missoula International Airport flight with plenty of time to spare. These hotels near Chicago Rockford International Airport make it a breeze to get to the terminal if you're jetting off early:

  • Airports have an on-time performance rating that monitors how often flights arrive at their destinations without delays. At RFD, that rate is 76.19%.

  • Chicago Rockford International Airport is located at 2 Airport Cir.

About Missoula International Airport (MSO)

Getting from Missoula International Airport (MSO) to central Missoula

  • Missoula International Airport is around 11 kilometres from the centre of Missoula. It takes around 10 minutes or so to get to the city by car.

  • It'll take around 35 minutes if you're using public transport.

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

  • Right now, R 2,003 is the lowest price we've found for a one-way ticket from Chicago to Missoula International Airport. The cheapest price for a return flight is R 4,004. Keep in mind fares may change due to demand at the time of booking.

  • Book three months before travelling. Pricing trends show that this is the ideal window for finding cheap flights from Chicago to MSO.

  • August is when you're most likely to find a good deal on a Chicago to Missoula International Airport ticket. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • There's no need to search every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as a better deal is available on plane tickets from Chicago to MSO.

  • Filters make it easier to scoop up a deal on your flight from Chicago to Missoula International Airport. Choose the departure times, carriers and stops that line up with your plans. Then sort the results by 'Cheapest' to find the most affordable option fast.

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

  • Think about the kind of holiday you want when picking your flight dates. February is the quietest month to visit Missoula. July is when most people book flights from Chicago to Missoula International Airport (MSO), which may be ideal if you're after more excitement.

  • Lock in a Chicago to MSO plane ticket departing in July if you're eager to explore the city during its warmest month. Expect temperatures in Missoula to range from 8ºC (46ºF) to 33ºC (91ºF).

  • December sees temperatures of between -15ºC (5ºF) and 3ºC (37ºF). Search for cheap tickets from Chicago to Missoula International Airport around that time if you'd rather travel in cooler conditions.

More about Missoula

Explore more of the United States

  • You've visited Missoula, now it's time to discover other corners of the United States. Travel around 257 kilometres west to Spokane to tick off its leading attractions. From Spokane Falls (Upper Falls) to Riverside State Park and Riverside State Park - Equestrian Campground and Day-Use, you've got a jam-packed schedule ahead.

  • If there's time to check out another great destination in the United States, head for Spokane Valley, about 257 kilometres west of Missoula. Nodland Cellars, Bead Lake Loop and Appleway Trail are highlights.

Plan the rest of your trip from Chicago to Missoula

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