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Cheap Flights from Chicago O'Hare International to Missoula

Compare Chicago O'Hare International to Missoula flight deals

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

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Flight deals from Chicago O'Hare International to Missoula

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Missoula Airport? If you want to travel next month, return fares start from R 5,467. Find the lowest prices on one-way and return tickets right here.
Missoula.R 2,521 per passenger.Departing Tue, 6 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 6 Oct, arriving in Missoula.Price includes taxes and charges.From R 2,521, select.
Missoula.R 2,562 per passenger.Departing Wed, 26 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 26 Aug, arriving in Missoula.Price includes taxes and charges.From R 2,562, select.
Missoula.R 2,780 per passenger.Departing Thu, 17 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 17 Sep, arriving in Missoula.Price includes taxes and charges.From R 2,780, select.
Missoula.R 3,022 per passenger.Departing Tue, 17 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 17 Nov, arriving in Missoula.Price includes taxes and charges.From R 3,022, select.
Missoula.R 3,219 per passenger.Departing Tue, 20 Oct.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Tue, 20 Oct, arriving in Missoula.Price includes taxes and charges.From R 3,219, select.
Missoula.R 3,381 per passenger.Departing Sun, 6 Dec.One-way flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Sun, 6 Dec, arriving in Missoula.Price includes taxes and charges.From R 3,381, select.
Missoula.R 3,845 per passenger.Departing Mon, 24 Aug.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Mon, 24 Aug, arriving in Missoula.Price includes taxes and charges.From R 3,845, select.
Missoula.R 4,275 per passenger.Departing Sat, 19 Sep.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Sat, 19 Sep, arriving in Missoula.Price includes taxes and charges.From R 4,275, select.
Missoula.R 4,661 per passenger.Departing Fri, 31 Jul.One-way flight with Delta.Outbound indirect flight with Delta, departs from Chicago O'Hare International on Fri, 31 Jul, arriving in Missoula.Price includes taxes and charges.From R 4,661, select.
Missoula.R 7,095 per passenger.Departing Tue, 29 Dec.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Chicago O'Hare International on Tue, 29 Dec, arriving in Missoula.Price includes taxes and charges.From R 7,095, select.
Missoula.R 7,844 per passenger.Departing Sat, 25 Jul.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Sat, 25 Jul, arriving in Missoula.Price includes taxes and charges.From R 7,844, select.

Find the cheapest month to fly from Chicago O'Hare International to Missoula

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Missoula flights are currently cheapest in October.
Jul
from R 4,661
Aug
from R 2,562
Sep
from R 2,780
Oct
from R 2,521
Nov
from R 3,022
Dec
from R 3,381
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Direct flights from Chicago O'Hare International to Missoula

Chicago O'Hare International to Missoula: Alternative routes

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

Missoula

8km from central Missoula
ClosestCheapest
from R 2,521
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Chicago to Missoula: Flight information

The things to know before you go.
Cheapest flight foundR 2,521
Cheapest month to flyOctober
Average flight time3 hrs, 56 mins
Most popular airlineAlaska Airlines
Average flights per week29

Finding cheap flights from Chicago O'Hare International to Missoula: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Missoula is R 5,467. 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 56 minutes is the average flight time from Chicago O'Hare International to Missoula.
Alaska Airlines, Envoy Air and American Airlines fly direct from Chicago O'Hare International to Missoula.
As of July 2026, there are 29 flights per week flying from Chicago O'Hare International to Missoula.
The cheapest month to fly from Chicago O'Hare International to Missoula is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Missoula Airport on Saturday, 29 August 2026.
Yes – the average flight time is 3 hours and 56 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.

Currently, Delta and United offer the cheapest flight tickets to Missoula.

Travelling from Chicago O'Hare International Airport (ORD) to Missoula Airport (MSO): what you need to know

  • Around 3 hours 50 minutes is how long you can expect to be travelling on a direct flight from Chicago O'Hare International Airport to Missoula Airport.

  • Take your pick of 11 weekly Chicago O'Hare International Airport to Missoula Airport flights. The 08:50 departure with United Airlines is the earliest flight you can take. American Airlines operates the latest service of the day at 20:25.

  • To ensure you get on your ORD to MSO flight, leave plenty of time to check in and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • During popular months such as July, you'll want to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during a high season in general.

  • American Airlines offers direct flights from Chicago O'Hare International Airport to Missoula Airport. Book with this popular carrier, then get ready to check out the sights in Missoula — and maybe even more of the United States if time allows.

  • The airline with the highest passenger demand on this route is American Airlines.

  • United is the most punctual carrier operating ORD to MSO flights. A dependable 80.0% of its departures on this route land as scheduled.

  • If you want to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Chicago O'Hare International Airport to Missoula Airport. These are the most popular stopovers between ORD and MSO:

    • Dallas Fort Worth International Airport

    • Denver International Airport

    • Minneapolis St Paul Airport

How to find the cheapest flights from Chicago O'Hare International Airport (ORD) to Missoula Airport (MSO)

  • R 2,521 is the lowest price for a one-way Chicago O'Hare International Airport to Missoula Airport flight. Return flights start at R 5,467. These fares may change depending on demand.

  • Book three months before you travel. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from ORD to MSO.

  • The cheapest month for flights from Chicago O'Hare International Airport to Missoula Airport is August. Use the 'Whole month' tool to see the lowest prices if you have flexible travel dates.

  • Save time searching for cheap flights from ORD to MSO by setting up a Price Alert. You'll receive an email or notification through the app when a special offer becomes available.

  • Secure the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Chicago O'Hare International Airport to Missoula Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Chicago O'Hare International Airport (ORD)

  • ORD's address is 10000 West O'Hare.

  • When it comes to Chicago O'Hare International Airport's on-time performance, data shows 70% of flights arrive within the expected timeframe.

  • Chicago O'Hare International Airport is about 27 kilometres from central Chicago. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 30 minutes or so to get there, depending on the traffic.

  • The trip when using public transport takes roughly 45 minutes.

  • Get your trip off to a relaxed start by staying near ORD. Whether you're taking an early flight from Chicago O'Hare International Airport to Missoula Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Missoula Airport (MSO)

Getting from Missoula Airport (MSO) to central Missoula

  • The address for MSO is 5225 Highway 10 West.

  • Missoula Airport is roughly 11 kilometres from central Missoula. Driving there takes about 15 minutes.

  • It typically takes 30 minutes if you're travelling by public transport.

When to fly to Missoula Airport (MSO)

  • July is the most popular month for flights from Chicago O'Hare International Airport to Missoula Airport. For a quieter experience, go to Missoula in March.

  • Lock in your flight from Chicago O'Hare International Airport to Missoula Airport for July if you want to go to Missoula during its warmest month. Expect temperatures of between 8ºC (46ºF) and 33ºC (91ºF).

  • Look for cheap tickets from ORD to MSO in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -16ºC (3ºF) and 2ºC (36ºF) on average.

Explore more of the United States

  • Spokane is just one of the many cities in the United States waiting to be explored after you've experienced Missoula. Around 274 kilometres away to the west, its best attractions include Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

  • If there's time to check out another major destination in the United States, head for Boise, about 402 kilometres south-west of Missoula. Cathedral Of The Rockies, Boise Depot and St. John's Cathedral are key 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 12 days.