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$119+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MSO
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
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Cheap flight deals from Illinois to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 January 17, 2025.

Round-trip from

$294
(Delta)

One-way from

$124
(Alaska Airlines)
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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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 January 17, 2025.

This Delta deal was found by Cheapflights users on 1/15. 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 1/291:26 pmMDW - MSO
1 stop8h 01mDelta
Sat 2/15:35 amMSO - MDW
2 stops11h 12mDelta
Deal found 1/15$294
This Alaska Airlines deal was found by Cheapflights users on 1/15. 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 1/317:45 amORD - MSO
1 stop6h 57mAlaska Airlines
Mon 2/36:35 pmMSO - ORD
1 stop18h 28mAlaska Airlines
Deal found 1/15$308
This Delta deal was found by Cheapflights users on 1/16. 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 2/125:00 pmSTL - MSO
1 stop8h 41mDelta
Wed 2/195:40 amMSO - STL
1 stop7h 03mDelta
Deal found 1/16$315
This Alaska Airlines deal was found by Cheapflights users on 1/15. 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.
Tue 4/16:44 amSTL - MSO
1 stop7h 55mAlaska Airlines
Tue 4/82:35 pmMSO - STL
1 stop8h 24mAlaska Airlines
Deal found 1/15$324
This Delta deal was found by Cheapflights users on 1/15. 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.
Fri 1/316:15 amORD - MSO
2 stops12h 26mDelta
Mon 2/35:35 amMSO - ORD
1 stop6h 05mDelta
Deal found 1/15$324
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Fri 2/78:45 amORD - MSO
1 stop8h 24mUnited Airlines
Fri 2/142:35 pmMSO - ORD
1 stop7h 03mUnited Airlines
Deal found 1/15$329
This American Airlines deal was found by Cheapflights users on 1/15. 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 6/188:20 pmORD - MSO
Nonstop3h 41mAmerican Airlines
Tue 6/245:32 amMSO - ORD
Nonstop3h 25mAmerican Airlines
Deal found 1/15$379
This United deal was found by Cheapflights users on 1/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/129:44 amSTL - MSO
2 stops12h 58mUnited Airlines
Wed 2/196:15 amMSO - STL
1 stop5h 28mUnited Airlines
Deal found 1/16$400
This American Airlines deal was found by Cheapflights users on 1/16. 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.
Sat 2/16:12 amPIA - MSO
1 stop7h 59mAmerican Airlines
Wed 2/51:42 pmMSO - PIA
1 stop6h 39mAmerican Airlines
Deal found 1/16$479
This American Airlines deal was found by Cheapflights users on 1/16. 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 7/316:29 amSTL - MSO
1 stop8h 24mAmerican Airlines
Tue 8/51:53 pmMSO - STL
1 stop7h 33mAmerican Airlines
Deal found 1/16$517
This Mytrip deal was found by Cheapflights users on 1/15. 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.
Fri 4/1810:55 amORD - MSO
3 stops27h 10mMultiple Airlines
Sun 4/201:50 pmMSO - ORD
2 stops21h 24mMultiple Airlines
Deal found 1/15$517
This United Airlines deal was found by Cheapflights users on 1/16. 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 2/13:36 pmPIA - MSO
2 stops22h 53mUnited Airlines
Wed 2/56:30 amMSO - PIA
2 stops7h 28mUnited Airlines
Deal found 1/16$554

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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoMissoula

MDW - MSO

MDWMSO

Chicago Midway

Wed 1/29

1:26 pm-8:27 pm

1 stop8h 01m

Missoula Johnson-Bell Field

Sat 2/1

5:35 am-5:47 pm

2 stops11h 12m

$294

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 1/31

7:45 am-1:42 pm

1 stop6h 57m

Missoula Johnson-Bell Field

Mon 2/3

6:35 pm-2:03 pm

1 stop18h 28m

$308

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Wed 2/12

5:00 pm-12:41 am

1 stop8h 41m

Missoula Johnson-Bell Field

Wed 2/19

5:40 am-1:43 pm

1 stop7h 03m

$315

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Tue 4/1

6:44 am-1:39 pm

1 stop7h 55m

Missoula Johnson-Bell Field

Tue 4/8

2:35 pm-11:59 pm

1 stop8h 24m

$324

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 1/31

6:15 am-5:41 pm

2 stops12h 26m

Missoula Johnson-Bell Field

Mon 2/3

5:35 am-12:40 pm

1 stop6h 05m

$324

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 2/7

8:45 am-4:09 pm

1 stop8h 24m

Missoula Johnson-Bell Field

Fri 2/14

2:35 pm-10:38 pm

1 stop7h 03m

$329

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 6/18

8:20 pm-11:01 pm

Nonstop3h 41m

Missoula Johnson-Bell Field

Tue 6/24

5:32 am-9:57 am

Nonstop3h 25m

$379

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Wed 2/12

9:44 am-9:42 pm

2 stops12h 58m

Missoula Johnson-Bell Field

Wed 2/19

6:15 am-12:43 pm

1 stop5h 28m

$400

PeoriaMissoula

PIA - MSO

PIAMSO

Greater Peoria

Sat 2/1

6:12 am-1:11 pm

1 stop7h 59m

Missoula Johnson-Bell Field

Wed 2/5

1:42 pm-9:21 pm

1 stop6h 39m

$479

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 4/18

10:55 am-1:05 pm

3 stops27h 10m

Missoula Johnson-Bell Field

Sun 4/20

1:50 pm-12:14 pm

2 stops21h 24m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 18 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 January 17, 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 January 17, 2025.
Get a feel of what it's like to fly with Alaska Airlines, American Airlines and Delta 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
9,681 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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
9,681 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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 United Airlines, with prices starting from $163 and $323, 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, Lambert-St Louis - Missoula Johnson-Bell Field and Chicago Midway - Missoula Johnson-Bell Field.

  • What are the cheapest flights from Illinois to Missoula?

    The cheapest flight price from Illinois to Missoula is $249. On average you can expect to pay $444. The most popular route, (Chicago O'Hare Intl - Missoula Johnson-Bell Field), can usually be booked for $269.

  • 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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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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$239Average$500FlexibilityNo cancel feeOn-time71%
DeltaCheapest$247Average$392FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$267Average$462FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$271Average$523FlexibilityNo cancel feeOn-time69%
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