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$105+ Cheap flights from Chicago (CHI) to Missoula (MSO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — MSO
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Missoula Johnson-Bell Field are usually found in September or October, booked 43 days in advance, depart on a Friday or Monday and return on a Thursday

Cheap flight deals from Chicago to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Missoula (MSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 1, 2025.

Round-trip from

$230
(American Airlines)

One-way from

$105
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$379

Good round-trip deal

$329 or less

Good one-way deal

$288 or less
From Chicago (CHI) to Missoula Johnson-Bell Field
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One-way flight from Chicago (CHI) to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 16% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Missoula Johnson-Bell Field.
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Price to beat on a one-way flight from Chicago (CHI) to Missoula Johnson-Bell Field.
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Find flight deals from Chicago to Missoula

Cheapest flights from Chicago to Missoula
Explore the most affordable flight options available from Chicago to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:36 pmORD - MSO
Nonstop3h 42mAmerican Airlines
Tue 9/161:51 pmMSO - ORD
1 stop6h 54mAmerican Airlines
Deal found 7/30$230
This Netflights deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:45 pmORD - MSO
1 stop7h 42mHawaiian Airlines
Sat 9/206:35 amMSO - ORD
1 stop6h 49mHawaiian Airlines
Deal found 7/30$236
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/15:40 amORD - MSO
1 stop7h 14mFrontier
Mon 8/1112:40 pmMSO - ORD
1 stop10h 52mFrontier
Deal found 7/30$238
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:45 pmORD - MSO
1 stop7h 42mAlaska Airlines
Tue 9/164:14 pmMSO - ORD
1 stop6h 49mAlaska Airlines
Deal found 8/1$240
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/233:55 pmORD - MSO
2 stops9h 23mDelta
Tue 9/305:30 amMSO - ORD
1 stop5h 23mDelta
Deal found 7/30$242
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:15 pmMDW - MSO
1 stop5h 31mDelta
Sat 9/275:45 amMSO - MDW
1 stop6h 18mDelta
Deal found 7/30$253
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:10 pmORD - MSO
1 stop6h 12mUnited Airlines
Fri 8/2912:30 pmMSO - ORD
Nonstop3h 24mUnited Airlines
Deal found 7/31$259
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:09 pmORD - MSO
2 stops19h 55mMultiple Airlines
Mon 9/154:48 pmMSO - ORD
2 stops19h 21mMultiple Airlines
Deal found 7/31$326

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Missoula that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2025.
Use the filters below to find and compare flights from Chicago to Missoula that are best for you.

Fly from

Chicago

Fly to

Missoula

Route

Depart

Return

Price

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 9/12

8:36 pm-11:18 pm

Nonstop3h 42m

Missoula Johnson-Bell Field

Tue 9/16

1:51 pm-9:45 pm

1 stop6h 54m

$230

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 9/17

5:45 pm-12:27 am

1 stop7h 42m

Missoula Johnson-Bell Field

Sat 9/20

6:35 am-2:24 pm

1 stop6h 49m

$236

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Mon 10/13

6:00 am-12:09 pm

1 stop7h 09m

Missoula Johnson-Bell Field

Fri 10/17

12:40 pm-11:53 pm

1 stop10h 13m

$238

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 9/12

5:45 pm-12:27 am

1 stop7h 42m

Missoula Johnson-Bell Field

Tue 9/16

4:14 pm-12:03 am

1 stop6h 49m

$240

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Tue 9/23

3:55 pm-12:18 am

2 stops9h 23m

Missoula Johnson-Bell Field

Tue 9/30

5:30 am-11:53 am

1 stop5h 23m

$242

ChicagoMissoula

MDW - MSO

MDWMSO

Chicago Midway

Tue 9/23

7:15 pm-11:46 pm

1 stop5h 31m

Missoula Johnson-Bell Field

Sat 9/27

5:45 am-1:03 pm

1 stop6h 18m

$253

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Sat 8/23

8:50 am-11:27 am

Nonstop3h 37m

Missoula Johnson-Bell Field

Sat 8/30

2:40 pm-11:59 pm

1 stop8h 19m

$259

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 9/11

7:09 pm-2:04 pm

2 stops19h 55m

Missoula Johnson-Bell Field

Mon 9/15

4:48 pm-1:09 pm

2 stops19h 21m

$326

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Mon 9/29

6:20 am-3:18 pm

1 stop9h 58m

$105

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Mon 9/8

9:40 am-12:20 pm

Nonstop3h 40m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 16 results
1
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Best time to book a flight from Chicago to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Missoula

How far ahead should I book a flight from Chicago to Missoula?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Missoula. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Missoula, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to Missoula?

Currently, October is the cheapest month in which you can book a flight from Chicago to Missoula (average of $365). Flying from Chicago to Missoula in March is currently the most expensive (average of $506). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to MSO?

Find hourly flight availability from Chicago to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Chicago to Missoula by exploring options for tickets in the afternoon.

Weekly flight availability from Chicago to Missoula

Explore weekly flight availability from Chicago to Missoula. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 1, 2025.

The most flights from CHI to MSO are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Chicago to Missoula?

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missoula. Reviews last updated August 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian Airlines from Chicago to Missoula by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Missoula from Chicago?

    Missoula Johnson-Bell Field (MSO) is the airport you will fly into if you book a flight from Chicago to Missoula. You should not have trouble finding flights to Johnson-Bell Field from Chicago; the airport handles an average of 5 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Missoula airport from Chicago. It is only a 5.5 mi journey from Johnson-Bell Field (MSO) to Missoula’s city center.

  • What are the cheapest airlines flying from Chicago to Missoula round-trip?

    American Airlines, at $230, was found to be the cheapest airline from Chicago to Missoula.Alternate airlines to your destination round-trip include Hawaiian Airlines and Frontier. Users have found that American Airlines is 48% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago to Missoula one-way?

    One-way options have recently been found by users for as low as $105 on Hawaiian Airlines. Other airlines that offer cheap prices include American Airlines from $117 and Frontier from $119 one-way.

  • What are the most reliable airlines from Chicago to Missoula?

    Consider United Airlines (95%), Alaska Airlines (84%) or American Airlines (82%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Missoula.

  • What are the cheapest flights from Chicago to Missoula?

    Looking for the cheapest flight from Chicago to Missoula? While on average our users pay $442, our data indicates the cheapest price to be $111. The most popular route (Chicago O'Hare Intl - Missoula Johnson-Bell Field), is priced around $210.

  • Can I find deals for flights from Chicago to Missoula that include hotel bookings?

    Yes. In addition to deals on Chicago to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Missoula?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Missoula.

  • Can I find deals for business class flights from Chicago to Missoula?

    Yes. Cheapflights offers flight deals from Chicago to Missoula by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Missoula?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Missoula (average of $365). Flying from Chicago to Missoula in March is currently the most expensive (average of $506). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Chicago to Missoula

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Chicago to Missoula

Discover the top 4 airlines that operate flights from Chicago to Missoula. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$229Average$358FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$321FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$267Average$423FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$271Average$452FlexibilityNo cancel feeOn-time69%

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