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Missoula

$124+ Cheap flights from Illinois 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MSO
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Illinois to Missoula

Keep the following information in mind while searching for Illinois to Missoula flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(Alaska Airlines)

One-way from

$124
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$504

Good round-trip deal

$310 or less

Good one-way deal

$201 or less
Provider with most accurate pricing for Chicago (CHI)-Missoula Johnson-Bell Field flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Missoula Johnson-Bell Field flights.
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From Illinois to Missoula Johnson-Bell Field
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One-way flight from Illinois to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 18% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Illinois to Missoula Johnson-Bell Field.
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Price to beat on a one-way flight from Illinois to Missoula Johnson-Bell Field.
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Find flight deals from Illinois to Missoula

Cheapest flights from Illinois to Missoula
Explore the most affordable flight options available from Illinois to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 7/238:38 pmORD - MSO
Nonstop3h 55mAmerican Airlines
Wed 7/305:07 amMSO - ORD
Nonstop3h 24mAmerican Airlines
Deal found 3/30$229
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:00 amORD - MSO
1 stop8h 58mAlaska Airlines
Mon 4/286:36 pmMSO - ORD
1 stop10h 29mAlaska Airlines
Deal found 3/31$248
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 9/175:20 pmORD - MSO
1 stop7h 37mDelta
Sat 9/205:50 amMSO - ORD
1 stop8h 06mDelta
Deal found 3/30$249
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:59 pmORD - MSO
2 stops26h 17mMultiple Airlines
Mon 5/124:16 pmMSO - ORD
1 stop17h 39mMultiple Airlines
Deal found 3/30$257
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/238:50 amORD - MSO
Nonstop3h 48mUnited Airlines
Tue 7/295:20 pmMSO - ORD
1 stop6h 10mUnited Airlines
Deal found 3/30$264
This Hawaiian Airlines deal was found by Cheapflights users on 3/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/85:53 pmORD - MSO
1 stop7h 04mHawaiian Airlines
Wed 4/232:54 pmMSO - ORD
1 stop8h 05mHawaiian Airlines
Deal found 3/30$313
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 6/47:25 pmMDW - MSO
1 stop5h 22mDelta
Wed 6/185:53 amMSO - MDW
1 stop6h 24mDelta
Deal found 3/30$317
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 9/96:00 amSTL - MSO
1 stop7h 20mAmerican Airlines
Tue 9/1612:54 pmMSO - STL
1 stop6h 29mAmerican Airlines
Deal found 3/30$340
This Delta deal was found by Cheapflights users on 3/30. 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.
Thu 5/17:15 pmSTL - MSO
1 stop6h 18mDelta
Tue 5/65:40 amMSO - STL
2 stops10h 12mDelta
Deal found 3/30$342
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:10 amSTL - MSO
1 stop10h 29mUnited Airlines
Sat 5/316:20 amMSO - STL
1 stop5h 26mUnited Airlines
Deal found 3/30$353
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/96:30 amMLI - MSO
1 stop7h 29mAmerican Airlines
Sat 4/122:04 pmMSO - MLI
1 stop6h 19mAmerican Airlines
Deal found 3/31$379
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 4/98:55 amMLI - MSO
1 stop8h 07mUnited Airlines
Sat 4/126:25 amMSO - MLI
2 stops9h 22mUnited Airlines
Deal found 3/31$384

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 March 31, 2025.
Use the filters below to find and compare flights from Illinois to Missoula that are best for you.

Fly from

Illinois

Fly to

Missoula

Route

Depart

Return

Price

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 7/23

8:38 pm-11:33 pm

Nonstop3h 55m

Missoula Johnson-Bell Field

Wed 7/30

5:07 am-9:31 am

Nonstop3h 24m

$229

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 4/23

6:00 am-1:58 pm

1 stop8h 58m

Missoula Johnson-Bell Field

Mon 4/28

6:36 pm-6:05 am

1 stop10h 29m

$248

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 9/17

5:20 pm-11:57 pm

1 stop7h 37m

Missoula Johnson-Bell Field

Sat 9/20

5:50 am-2:56 pm

1 stop8h 06m

$249

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 5/8

6:59 pm-8:16 pm

2 stops26h 17m

Missoula Johnson-Bell Field

Mon 5/12

4:16 pm-10:55 am

1 stop17h 39m

$257

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 7/23

8:50 am-11:38 am

Nonstop3h 48m

Missoula Johnson-Bell Field

Tue 7/29

5:20 pm-12:30 am

1 stop6h 10m

$264

ChicagoMissoula

MDW - MSO

MDWMSO

Chicago Midway

Wed 6/4

7:25 pm-11:47 pm

1 stop5h 22m

Missoula Johnson-Bell Field

Wed 6/18

5:53 am-1:17 pm

1 stop6h 24m

$317

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Tue 9/9

7:30 am-12:19 pm

1 stop5h 49m

Missoula Johnson-Bell Field

Tue 9/16

12:54 pm-8:23 pm

1 stop6h 29m

$340

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Thu 5/1

7:15 pm-12:33 am

1 stop6h 18m

Missoula Johnson-Bell Field

Tue 5/6

5:40 am-4:52 pm

2 stops10h 12m

$342

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Sun 5/25

6:10 am-3:39 pm

1 stop10h 29m

Missoula Johnson-Bell Field

Sat 5/31

6:20 am-12:46 pm

1 stop5h 26m

$353

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Mon 9/1

8:00 am-3:06 pm

1 stop8h 06m

Missoula Johnson-Bell Field

Sun 9/7

4:02 pm-11:59 pm

1 stop6h 57m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 21 results
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Best time to book a flight from Illinois to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from Illinois 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 Illinois to Missoula

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Missoula (average of $365). Flying from Illinois to Missoula in June is currently the most expensive (average of $510). 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 IL to MSO?

Find hourly flight availability from Illinois 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 March 31, 2025.

When flying from Illinois to Missoula, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Missoula by month

Plan your trip to Missoula by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missoula ranges from 0.7 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Missoula when rainfall is around 0.7 in.

Temperature in Missoula by month

Plan your trip to Missoula by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missoula, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.8 F).

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 March 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Illinois to Missoula by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,342 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Missoula Johnson-Bell Field (MSO) is the airport you will fly into if you book a flight from Illinois to Missoula. It is only a 5.5 mi journey from Johnson-Bell Field (MSO) to Missoula’s city center.

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

    $124 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $133 and $149, respectively.

  • What are the most popular routes from Illinois to Missoula?

    The most popular flight routes from Illinois to Missoula are Chicago O'Hare Intl - Missoula Johnson-Bell Field, Chicago Midway - Missoula Johnson-Bell Field and Lambert-St Louis - Missoula Johnson-Bell Field.

  • What are the cheapest flights from Illinois to Missoula?

    The cheapest flight price from Illinois to Missoula is $161. On average you can expect to pay $329. The most popular route, (Chicago O'Hare Intl - Missoula Johnson-Bell Field), can usually be booked for $249.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Missoula?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Missoula (average of $365). Flying from Illinois to Missoula in June is currently the most expensive (average of $510). 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 Illinois 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 Illinois to Missoula

Discover the top 4 airlines that operate flights from Illinois 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$239Average$436FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$343FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$267Average$423FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$274Average$526FlexibilityNo cancel feeOn-time69%
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