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Missoula

$126+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MSO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Alaska Airlines)

One-way from

$126
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$493

Good round-trip deal

$381 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. 12% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip 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 February 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 4/107:00 amORD - MSO
1 stop7h 39mAlaska Airlines
Mon 4/146:38 pmMSO - ORD
1 stop10h 21mAlaska Airlines
Deal found 2/19$269
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/128:45 amORD - MSO
1 stop8h 17mUnited Airlines
Sat 4/192:33 pmMSO - ORD
1 stop5h 47mUnited Airlines
Deal found 2/20$285
This Delta deal was found by Cheapflights users on 2/20. 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.
Sat 4/57:50 amORD - MSO
2 stops10h 20mDelta
Tue 4/85:40 amMSO - ORD
1 stop5h 58mDelta
Deal found 2/20$310
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 4/146:44 amSTL - MSO
1 stop7h 55mHawaiian Airlines
Sat 4/192:35 pmMSO - STL
1 stop8h 24mHawaiian Airlines
Deal found 2/20$314
This Delta deal was found by Cheapflights users on 2/20. 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.
Mon 4/145:34 pmSTL - MSO
2 stops7h 59mDelta
Sat 4/195:40 amMSO - STL
1 stop6h 48mDelta
Deal found 2/20$320
This American Airlines deal was found by Cheapflights users on 2/20. 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 7/118:20 pmORD - MSO
Nonstop3h 41mAmerican Airlines
Tue 7/151:35 pmMSO - ORD
Nonstop3h 15mAmerican Airlines
Deal found 2/20$323
This Delta deal was found by Cheapflights users on 2/18. 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.
Sat 7/56:45 pmMDW - MSO
1 stop6h 09mDelta
Wed 7/95:50 amMSO - MDW
1 stop6h 12mDelta
Deal found 2/18$343
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 7/315:10 pmORD - MSO
1 stop7h 47mHawaiian Airlines
Mon 8/46:30 pmMSO - ORD
1 stop9h 34mHawaiian Airlines
Deal found 2/20$458
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 8/297:30 pmSTL - MSO
1 stop15h 46mAlaska Airlines
Mon 9/11:20 pmMSO - STL
2 stops23h 32mAlaska Airlines
Deal found 2/20$467
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 7/14:30 pmSTL - MSO
1 stop5h 56mUnited Airlines
Wed 7/92:27 pmMSO - STL
1 stop6h 21mUnited Airlines
Deal found 2/19$472
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 6/267:31 amSTL - MSO
1 stop6h 10mAmerican Airlines
Thu 7/31:28 pmMSO - STL
1 stop5h 18mAmerican Airlines
Deal found 2/19$504
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 7/136:33 pmPIA - MSO
1 stop5h 28mAmerican Airlines
Sat 7/195:32 amMSO - PIA
1 stop11h 07mAmerican Airlines
Deal found 2/20$529

Find flights from Illinois to Missoula within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Missoula

Route

Depart

Return

Price

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 4/10

7:00 am-1:39 pm

1 stop7h 39m

Missoula Johnson-Bell Field

Mon 4/14

6:38 pm-5:59 am

1 stop10h 21m

$269

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Sat 4/12

8:45 am-4:02 pm

1 stop8h 17m

Missoula Johnson-Bell Field

Sat 4/19

2:33 pm-9:20 pm

1 stop5h 47m

$285

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Sat 4/5

7:50 am-5:10 pm

2 stops10h 20m

Missoula Johnson-Bell Field

Tue 4/8

5:40 am-12:38 pm

1 stop5h 58m

$310

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Mon 4/14

6:44 am-1:39 pm

1 stop7h 55m

Missoula Johnson-Bell Field

Sat 4/19

2:35 pm-11:59 pm

1 stop8h 24m

$314

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Mon 4/14

5:34 pm-12:33 am

2 stops7h 59m

Missoula Johnson-Bell Field

Sat 4/19

5:40 am-1:28 pm

1 stop6h 48m

$320

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 7/11

8:20 pm-11:01 pm

Nonstop3h 41m

Missoula Johnson-Bell Field

Tue 7/15

1:35 pm-5:50 pm

Nonstop3h 15m

$323

ChicagoMissoula

MDW - MSO

MDWMSO

Chicago Midway

Sat 7/5

6:45 pm-11:54 pm

1 stop6h 09m

Missoula Johnson-Bell Field

Wed 7/9

5:50 am-1:02 pm

1 stop6h 12m

$343

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 7/31

5:10 pm-11:57 pm

1 stop7h 47m

Missoula Johnson-Bell Field

Mon 8/4

6:30 pm-5:04 am

1 stop9h 34m

$458

PeoriaMissoula

PIA - MSO

PIAMSO

Greater Peoria

Sun 7/13

6:33 pm-11:01 pm

1 stop5h 28m

Missoula Johnson-Bell Field

Sat 7/19

5:32 am-5:39 pm

1 stop11h 07m

$529

MolineMissoula

MLI - MSO

MLIMSO

Moline Quad-City

Fri 7/11

5:35 pm-9:58 am

2 stops17h 23m

Missoula Johnson-Bell Field

Tue 7/15

5:20 pm-4:48 pm

2 stops22h 28m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 25 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.

Travel insights for flights from Illinois to Missoula

Get recent, data-driven insights about flights from Illinois to Missoula including ideal travel times, pricing trends, and more.

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 March is currently the most expensive (average of $554). 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 February 20, 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 February 20, 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
9,692 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

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
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

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
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

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
2,317 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

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
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

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
9,692 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

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?

    $135 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 American Airlines, with prices starting from $153 and $162, 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 $351. On average you can expect to pay $464. The most popular route, (Chicago O'Hare Intl - Missoula Johnson-Bell Field), can usually be booked for $256.

  • 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 March is currently the most expensive (average of $554). 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

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$239Average$496FlexibilityNo cancel feeOn-time71%
DeltaCheapest$247Average$392FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$267Average$462FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$271Average$526FlexibilityNo cancel feeOn-time69%
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