Cheap flights from Illinois to Missoula from $130

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 5/30. 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.
United Airlines Logo
8:40 am - 11:32 am
ORD
-
MSO
3h 52mnonstop
United Airlines Logo
12:33 pm - 5:05 pm
MSO
-
ORD
3h 32mnonstop
$249United Airlines
Wed, Jun 3 - Thu, Jun 11
United Airlines Logo
8:40 am - 11:32 am
ORD
-
MSO
3h 52mnonstop
United Airlines Logo
5:20 pm - 12:44 am
MSO
-
ORD
6h 24m
1 stop
$259United Airlines
Fri, May 29 - Sat, Jun 13
Delta Logo
7:10 pm - 12:16 am
ORD
-
MSO
6h 06m
1 stop
Delta Logo
1:40 pm - 9:18 pm
MSO
-
ORD
6h 38m
1 stop
$269Delta
Wed, Apr 15 - Tue, Apr 21
Delta Logo
7:10 am - 5:38 pm
ORD
-
MSO
11h 28m
2 stops
Delta Logo
1:40 pm - 9:18 pm
MSO
-
ORD
6h 38m
1 stop
$274Delta
Fri, Apr 17 - Tue, Apr 21
Delta Logo
2:12 pm - 8:02 pm
MDW
-
MSO
6h 50m
1 stop
Delta Logo
5:20 am - 1:32 pm
MSO
-
MDW
7h 12m
2 stops
$274Delta
Sat, Apr 25 - Tue, Apr 28
United Airlines Logo
2:20 pm - 9:30 pm
ORD
-
MSO
8h 10m
1 stop
United Airlines Logo
12:33 pm - 5:05 pm
MSO
-
ORD
3h 32mnonstop
$275United Airlines
Sat, May 16 - Sat, May 23
American Airlines Logo
9:40 am - 12:38 pm
ORD
-
MSO
3h 58mnonstop
American Airlines Logo
1:08 pm - 5:51 pm
MSO
-
ORD
3h 43mnonstop
$279American Airlines
Wed, Apr 15 - Tue, Apr 21
American Airlines Logo
9:40 am - 12:16 pm
ORD
-
MSO
3h 36mnonstop
American Airlines Logo
12:46 pm - 5:12 pm
MSO
-
ORD
3h 26mnonstop
$291American Airlines
Mon, Aug 24 - Fri, Aug 28
Alaska Airlines Logo
7:56 pm - 10:42 am
STL
-
MSO
15h 46m
1 stop
Alaska Airlines Logo
4:57 pm - 1:55 pm
MSO
-
STL
19h 58m
1 stop
$339Alaska Airlines
Thu, Aug 6 - Tue, Aug 11
Alaska Airlines Logo
5:33 pm - 1:23 pm
STL
-
MSO
20h 50m
1 stop
Alaska Airlines Logo
8:02 pm - 3:16 pm
MSO
-
STL
18h 14m
1 stop
$364Alaska Airlines
Fri, May 22 - Mon, May 25

United Airlines flights from Illinois to Missoula

Our best United Airlines deals on Illinois to Missoula flight tickets
United Airlines
Jun 3
ORD8:40 amChicago O'Hare Intl
3h 52m
MSO11:32 amMissoula Johnson-Bell Field
Jun 11
MSO12:33 pmMissoula Johnson-Bell Field
3h 32m
ORD5:05 pmChicago O'Hare Intl
$249
United Airlines
May 29
ORD8:40 amChicago O'Hare Intl
3h 52m
MSO11:32 amMissoula Johnson-Bell Field
Jun 13
MSO5:20 pmMissoula Johnson-Bell Field
6h 24m
1 stop
ORD12:44 amChicago O'Hare Intl
$259
United Airlines
May 16
ORD2:20 pmChicago O'Hare Intl
8h 10m
1 stop
MSO9:30 pmMissoula Johnson-Bell Field
May 23
MSO12:33 pmMissoula Johnson-Bell Field
3h 32m
ORD5:05 pmChicago O'Hare Intl
$275

Delta flights from Illinois to Missoula

Our best Delta deals on Illinois to Missoula flight tickets
Delta
Apr 15
ORD7:10 pmChicago O'Hare Intl
6h 06m
1 stop
MSO12:16 amMissoula Johnson-Bell Field
Apr 21
MSO1:40 pmMissoula Johnson-Bell Field
6h 38m
1 stop
ORD9:18 pmChicago O'Hare Intl
$269
Delta
Apr 25
MDW2:12 pmChicago Midway
6h 50m
1 stop
MSO8:02 pmMissoula Johnson-Bell Field
Apr 28
MSO5:20 amMissoula Johnson-Bell Field
7h 12m
2 stops
MDW1:32 pmChicago Midway
$274
Delta
Apr 15
ORD7:10 pmChicago O'Hare Intl
6h 06m
1 stop
MSO12:16 amMissoula Johnson-Bell Field
Apr 21
MSO1:40 pmMissoula Johnson-Bell Field
6h 38m
1 stop
ORD9:18 pmChicago O'Hare Intl
$289

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 March 3, 2026.
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

Wed 6/3

8:40 am-11:32 am

Nonstop3h 52m

Missoula Johnson-Bell Field

Thu 6/11

12:33 pm-5:05 pm

Nonstop3h 32m

$249

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 5/29

8:40 am-11:32 am

Nonstop3h 52m

Missoula Johnson-Bell Field

Sat 6/13

5:20 pm-12:44 am

1 stop6h 24m

$259

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 4/15

7:10 pm-12:16 am

1 stop6h 06m

Missoula Johnson-Bell Field

Tue 4/21

1:40 pm-9:18 pm

1 stop6h 38m

$269

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Fri 4/17

7:10 am-5:38 pm

2 stops11h 28m

Missoula Johnson-Bell Field

Tue 4/21

1:40 pm-9:18 pm

1 stop6h 38m

$274

ChicagoMissoula

MDW - MSO

MDWMSO

Chicago Midway

Sat 4/25

2:12 pm-8:02 pm

1 stop6h 50m

Missoula Johnson-Bell Field

Tue 4/28

5:20 am-1:32 pm

2 stops7h 12m

$274

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Sat 5/16

2:20 pm-9:30 pm

1 stop8h 10m

Missoula Johnson-Bell Field

Sat 5/23

12:33 pm-5:05 pm

Nonstop3h 32m

$275

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 4/15

9:40 am-12:38 pm

Nonstop3h 58m

Missoula Johnson-Bell Field

Tue 4/21

1:08 pm-5:51 pm

Nonstop3h 43m

$279

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Mon 8/24

9:40 am-12:16 pm

Nonstop3h 36m

Missoula Johnson-Bell Field

Fri 8/28

12:46 pm-5:12 pm

Nonstop3h 26m

$291

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Thu 8/6

7:56 pm-10:42 am

1 stop15h 46m

Missoula Johnson-Bell Field

Tue 8/11

4:57 pm-1:55 pm

1 stop19h 58m

$339

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Fri 5/22

5:33 pm-1:23 pm

1 stop20h 50m

Missoula Johnson-Bell Field

Mon 5/25

8:02 pm-3:16 pm

1 stop18h 14m

$364

Flights are sorted by cheapest round-trip flights 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 November is, on average, the cheapest month to fly to Missoula from Illinois, with most prices found around $315. If you are unable to visit Missoula during the month of November, then departing from Illinois during the month August is also very affordable. Most momondo users find prices during this month for around $321.

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 Saturday. momondo users have found tickets for Saturday 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 $440.

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 $276. Flights in the morning are often more expensive with an average ticket price of $416.

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 $413 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?

No. A direct flight is the cheapest option for a flight between Illinois to Missoula.

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

$255

Fastest flight time

3h 39m

Direct flights

Every day

Airports in Missoula

1 airport
The best one-way flight to Missoula from Illinois in the past 72 hours is $255. The best round-trip flight deal from Illinois to Missoula found on momondo in the last 72 hours is $384.
The fastest flight from Illinois to Missoula takes 3h 39m
Direct flights go from Illinois to Missoula every day.
There is 1 airport in Missoula. From Illinois there are direct flights to Missoula Johnson-Bell Field (MSO).
  • 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
7.1
11,378 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,382 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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1 adult
Thu 4/2
Thu 4/9

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