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Cheap flights from Illinois to Missoula from $110

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Missoula departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Missoula

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:45 am - 1:52 pmORD-MSO
7h 07m1 stop
Alaska Airlines Logo
6:30 pm - 5:04 amMSO-ORD
9h 34m1 stop
$258Alaska Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
Alaska Airlines Logo
3:35 pm - 11:55 pmORD-MSO
9h 20m1 stop
Alaska Airlines Logo
6:23 am - 5:10 pmMSO-ORD
9h 47m1 stop
$270Alaska Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
9:22 pm - 9:16 amORD-MSO
36h 54m2 stops
Multiple Airlines Logo
10:26 pm - 11:42 amMSO-ORD
12h 16m1 stop
$281Multiple Airlines
Find Deal
Wed, Nov 19 - Thu, Dec 4
Delta Logo
2:30 pm - 12:36 amORD-MSO
11h 06m2 stops
Delta Logo
5:00 am - 12:40 pmMSO-ORD
6h 40m1 stop
$296Delta
Find Deal
Mon, Dec 8 - Thu, Dec 11
Multiple Airlines Logo
3:25 pm - 10:03 amORD-MSO
19h 38m2 stops
Multiple Airlines Logo
10:53 am - 11:27 amMSO-ORD
23h 34m2 stops
$307Multiple Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Delta Logo
3:50 pm - 8:11 pmORD-MSO
5h 21m1 stop
Delta Logo
5:40 am - 12:21 pmMSO-ORD
5h 41m1 stop
$331Delta
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Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
7:10 am - 1:33 pmORD-MSO
7h 23m1 stop
United Airlines Logo
5:20 pm - 11:59 pmMSO-ORD
5h 39m1 stop
$408United Airlines
Find Deal
Mon, Nov 24 - Tue, Dec 2
American Airlines Logo
9:55 am - 12:50 pmORD-MSO
3h 55mnonstop
American Airlines Logo
1:21 pm - 5:50 pmMSO-ORD
3h 29mnonstop
$411American Airlines
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Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
1:15 pm - 8:45 pmORD-MSO
8h 30m1 stop
American Airlines Logo
1:21 pm - 5:50 pmMSO-ORD
3h 29mnonstop
$421American Airlines
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Fri, Jan 16 - Mon, Jan 19
United Airlines Logo
8:48 am - 4:10 pmMLI-MSO
8h 22m1 stop
United Airlines Logo
2:35 pm - 9:11 pmMSO-MLI
5h 36m1 stop
$479United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13

American Airlines flights from Illinois to Missoula

Our best American Airlines deals on Illinois to Missoula flight tickets
American Airlines
Jan 16
ORD9:55 amChicago O'Hare Intl
3h 55m
MSO12:50 pmMissoula Johnson-Bell Field
Jan 19
MSO1:21 pmMissoula Johnson-Bell Field
3h 29m
ORD5:50 pmChicago O'Hare Intl
$411
Find similar
American Airlines
Jan 16
ORD1:15 pmChicago O'Hare Intl
8h 30m
1 stop
MSO8:45 pmMissoula Johnson-Bell Field
Jan 19
MSO1:21 pmMissoula Johnson-Bell Field
3h 29m
ORD5:50 pmChicago O'Hare Intl
$421
Find similar
American Airlines
Apr 25
ORD9:45 amChicago O'Hare Intl
3h 40m
MSO12:25 pmMissoula Johnson-Bell Field
Apr 29
MSO1:05 pmMissoula Johnson-Bell Field
3h 30m
ORD5:35 pmChicago O'Hare Intl
$451
Find similar

Alaska Airlines flights from Illinois to Missoula

Our best Alaska Airlines deals on Illinois to Missoula flight tickets
Alaska Airlines
Mar 5
ORD7:45 amChicago O'Hare Intl
7h 07m
1 stop
MSO1:52 pmMissoula Johnson-Bell Field
Mar 9
MSO6:30 pmMissoula Johnson-Bell Field
9h 34m
1 stop
ORD5:04 amChicago O'Hare Intl
$258
Find similar
Alaska Airlines
Jan 22
ORD3:35 pmChicago O'Hare Intl
9h 20m
1 stop
MSO11:55 pmMissoula Johnson-Bell Field
Jan 26
MSO6:23 amMissoula Johnson-Bell Field
9h 47m
1 stop
ORD5:10 pmChicago O'Hare Intl
$270
Find similar
Alaska Airlines
Dec 8
ORD6:00 amChicago O'Hare Intl
7h 32m
1 stop
MSO12:32 pmMissoula Johnson-Bell Field
Dec 11
MSO4:22 pmMissoula Johnson-Bell Field
6h 37m
1 stop
ORD11:59 pmChicago O'Hare Intl
$290
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Illinois to Missoula that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 3/5

7:45 am-1:52 pm

1 stop7h 07m

Missoula Johnson-Bell Field

Mon 3/9

6:30 pm-5:04 am

1 stop9h 34m

$258

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 1/22

3:35 pm-11:55 pm

1 stop9h 20m

Missoula Johnson-Bell Field

Mon 1/26

6:23 am-5:10 pm

1 stop9h 47m

$270

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 11/19

9:22 pm-9:16 am

2 stops36h 54m

Missoula Johnson-Bell Field

Thu 12/4

10:26 pm-11:42 am

1 stop12h 16m

$281

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Mon 12/8

2:30 pm-12:36 am

2 stops11h 06m

Missoula Johnson-Bell Field

Thu 12/11

5:00 am-12:40 pm

1 stop6h 40m

$296

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Thu 1/22

3:25 pm-10:03 am

2 stops19h 38m

Missoula Johnson-Bell Field

Mon 1/26

10:53 am-11:27 am

2 stops23h 34m

$307

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Sat 4/25

3:50 pm-8:11 pm

1 stop5h 21m

Missoula Johnson-Bell Field

Wed 4/29

5:40 am-12:21 pm

1 stop5h 41m

$331

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Mon 11/24

7:10 am-1:33 pm

1 stop7h 23m

Missoula Johnson-Bell Field

Tue 12/2

5:20 pm-11:59 pm

1 stop5h 39m

$408

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 1/16

9:55 am-12:50 pm

Nonstop3h 55m

Missoula Johnson-Bell Field

Mon 1/19

1:21 pm-5:50 pm

Nonstop3h 29m

$411

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 1/16

1:15 pm-8:45 pm

1 stop8h 30m

Missoula Johnson-Bell Field

Mon 1/19

1:21 pm-5:50 pm

Nonstop3h 29m

$421

MolineMissoula

MLI - MSO

MLIMSO

Moline Quad-City

Wed 12/10

8:48 am-4:10 pm

1 stop8h 22m

Missoula Johnson-Bell Field

Sat 12/13

2:35 pm-9:11 pm

1 stop5h 36m

$479

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Missoula from

How to get the cheapest flight ticket from Illinois to Missoula

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Missoula?

The month of August is, on average, the cheapest month to fly to Missoula from Illinois, with most prices found around $329. If you are unable to visit Missoula during the month of August, then departing from Illinois during the month January is also very affordable. Most momondo users find prices during this month for around $345.

What is the cheapest day to depart on your flight to Missoula?

On average, the least expensive day to fly to Missoula from Illinois is on a Monday. momondo users have found tickets for Monday departures for as low as $329. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $448.

What is the cheapest time of day to depart on your flight to Missoula?

The cheapest time of day to fly to Missoula is in the evening when flights can be purchased for as low as $290. Flights in the morning are often more expensive with an average ticket price of $419.

What is the cheapest Illinois to Missoula Johnson-Bell Field flight route?

Fly from Chicago O'Hare Intl to Missoula Johnson-Bell Field for the best Illinois - Missoula Johnson-Bell Field flight prices

How far in advance should I book a flight to Missoula?

You are more likely to see cheaper flights to Missoula from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Missoula for around $416 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missoula from Illinois for as low as $283 on momondo.

What cabin class options are available on Illinois to Missoula Johnson-Bell Field flights?

There are 4 cabin classes available to choose from on Illinois to Missoula Johnson-Bell Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Missoula flights?

You could potentially save up to 47% on your flight if you consider stops on a Illinois to Missoula flight.

Cheap Illinois to Missoula flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Missoula

Best Price Found

$220

Fastest flight time

3h 40m

Direct flights

Every day

Airports in Missoula

1 airport
The best flight deal from Illinois to Missoula found on momondo in the last 72 hours is $220
The fastest flight from Illinois to Missoula takes 3h 40m
Direct flights go from Illinois to Missoula every day.
There is 1 airport near Missoula: Missoula Johnson-Bell Field (MSO)
Search flight deals

  • When did momondo last update prices for flights from Illinois to Missoula Johnson-Bell Field Airport?

    Prices for flights from Illinois to Missoula Johnson-Bell Field Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Missoula Johnson-Bell Field Airport?

  • How old do you have to be to fly from Illinois to Missoula Johnson-Bell Field Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Missoula Johnson-Bell Field Airport.

  • What documentation or ID do you need to fly to Missoula Johnson-Bell Field Airport?

    The required travel and health documents for your Missoula Johnson-Bell Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missoula Johnson-Bell Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Missoula?

Best airlines flying from Illinois to Missoula

Compare and see reviews for airlines that fly from Illinois to Missoula with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $229Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,003 reviews
Search Delta flights
Alaska AirlinesPriceFrom $270Free CancellationRating
8.0
11,241 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Missoula?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Missoula from Illinois.

Can I find flights from Illinois to Missoula with flexible booking policies on momondo?

All flight searches from Illinois to Missoula on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Missoula?

Once all potential Illinois to Missoula flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Missoula right now. Can momondo alert me if prices change?

Price alerts on flights to Missoula from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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