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Cheap flights from Missoula to Illinois 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 Missoula to Illinois departing on 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Missoula to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:23 am - 5:10 pm
MSO
-
ORD
9h 47m1 stop
Alaska Airlines Logo
3:35 pm - 11:55 pm
ORD
-
MSO
9h 20m1 stop
$269Alaska Airlines
Wed, Jan 21 - Mon, Jan 26
Delta Logo
5:00 am - 1:38 pm
MSO
-
ORD
7h 38m1 stop
Delta Logo
10:35 am - 8:14 pm
ORD
-
MSO
10h 39m2 stops
$274Delta
Wed, Jan 21 - Mon, Jan 26
Delta Logo
7:55 am - 9:05 pm
MSO
-
ORD
12h 10m2 stops
Delta Logo
10:35 am - 8:14 pm
ORD
-
MSO
10h 39m2 stops
$279Delta
Wed, Jan 21 - Mon, Jan 26
Delta Logo
5:00 am - 12:41 pm
MSO
-
ORD
6h 41m1 stop
Delta Logo
3:59 pm - 8:14 pm
ORD
-
MSO
5h 15m1 stop
$280Delta
Fri, Jan 9 - Mon, Jan 12
American Airlines Logo
1:21 pm - 10:23 pm
MSO
-
MLI
8h 02m1 stop
American Airlines Logo
7:31 am - 12:50 pm
MLI
-
MSO
6h 19m1 stop
$289American Airlines
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
4:20 pm - 12:39 pm
MSO
-
ORD
19h 19m2 stops
Multiple Airlines Logo
10:32 pm - 10:03 am
ORD
-
MSO
12h 31m1 stop
$305Multiple Airlines
Mon, Jan 5 - Thu, Jan 8
American Airlines Logo
1:21 pm - 5:50 pm
MSO
-
ORD
3h 29mnonstop
American Airlines Logo
9:55 am - 12:50 pm
ORD
-
MSO
3h 55mnonstop
$331American Airlines
Wed, Jan 21 - Mon, Jan 26
United Airlines Logo
2:37 pm - 8:47 pm
MSO
-
PIA
5h 10m1 stop
United Airlines Logo
8:35 am - 1:35 pm
PIA
-
MSO
6h 00m1 stop
$369United Airlines
Wed, Jan 7 - Sat, Jan 10
United Airlines Logo
2:37 pm - 8:34 pm
MSO
-
MLI
4h 57m1 stop
United Airlines Logo
8:46 am - 4:05 pm
MLI
-
MSO
8h 19m1 stop
$369United Airlines
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
11:36 am - 11:51 pm
MSO
-
MDW
11h 15m1 stop
Multiple Airlines Logo
3:26 pm - 3:15 pm
MDW
-
MSO
24h 49m2 stops
$371Multiple Airlines
Thu, Feb 19 - Sun, Feb 22

Delta flights from Missoula to Illinois

Our best Delta deals on Missoula to Illinois flight tickets
Delta
Jan 21
MSO7:55 amMissoula Johnson-Bell Field
12h 10m
2 stops
ORD9:05 pmChicago O'Hare Intl
Jan 26
ORD7:20 amChicago O'Hare Intl
6h 15m
1 stop
MSO12:35 pmMissoula Johnson-Bell Field
$274
Find similar
Delta
Jan 21
MSO7:55 amMissoula Johnson-Bell Field
12h 10m
2 stops
ORD9:05 pmChicago O'Hare Intl
Jan 26
ORD10:35 amChicago O'Hare Intl
10h 39m
2 stops
MSO8:14 pmMissoula Johnson-Bell Field
$279
Find similar
Delta
Jan 29
MSO5:00 amMissoula Johnson-Bell Field
11h 55m
2 stops
MDW5:55 pmChicago Midway
Feb 3
MDW1:51 pmChicago Midway
7h 23m
1 stop
MSO8:14 pmMissoula Johnson-Bell Field
$285
Find similar

American Airlines flights from Missoula to Illinois

Our best American Airlines deals on Missoula to Illinois flight tickets
American Airlines
Jan 14
MSO1:21 pmMissoula Johnson-Bell Field
8h 02m
1 stop
MLI10:23 pmMoline Quad-City
Jan 21
MLI7:31 amMoline Quad-City
6h 19m
1 stop
MSO12:50 pmMissoula Johnson-Bell Field
$289
Find similar
American Airlines
Jan 21
MSO1:21 pmMissoula Johnson-Bell Field
3h 29m
ORD5:50 pmChicago O'Hare Intl
Jan 26
ORD9:55 amChicago O'Hare Intl
3h 55m
MSO12:50 pmMissoula Johnson-Bell Field
$331
Find similar
American Airlines
Jan 21
MSO7:00 amMissoula Johnson-Bell Field
9h 09m
1 stop
ORD5:09 pmChicago O'Hare Intl
Jan 26
ORD9:55 amChicago O'Hare Intl
3h 55m
MSO12:50 pmMissoula Johnson-Bell Field
$341
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missoula to Illinois 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 December 18, 2025.
Use the filters below to find and compare flights from Missoula to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

6:23 am-5:10 pm

1 stop9h 47m

Chicago O'Hare Intl

Mon 1/26

3:35 pm-11:55 pm

1 stop9h 20m

$269

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

5:00 am-1:38 pm

1 stop7h 38m

Chicago O'Hare Intl

Mon 1/26

10:35 am-8:14 pm

2 stops10h 39m

$274

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

7:55 am-9:05 pm

2 stops12h 10m

Chicago O'Hare Intl

Mon 1/26

10:35 am-8:14 pm

2 stops10h 39m

$279

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 1/9

5:00 am-12:41 pm

1 stop6h 41m

Chicago O'Hare Intl

Mon 1/12

3:59 pm-8:14 pm

1 stop5h 15m

$280

MissoulaMoline

MSO - MLI

MSOMLI

Missoula Johnson-Bell Field

Wed 1/14

1:21 pm-10:23 pm

1 stop8h 02m

Moline Quad-City

Wed 1/21

7:31 am-12:50 pm

1 stop6h 19m

$289

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Mon 1/5

4:20 pm-12:39 pm

2 stops19h 19m

Chicago O'Hare Intl

Thu 1/8

10:32 pm-10:03 am

1 stop12h 31m

$305

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

1:21 pm-5:50 pm

Nonstop3h 29m

Chicago O'Hare Intl

Mon 1/26

9:55 am-12:50 pm

Nonstop3h 55m

$331

MissoulaPeoria

MSO - PIA

MSOPIA

Missoula Johnson-Bell Field

Wed 1/7

2:37 pm-8:47 pm

1 stop5h 10m

Greater Peoria

Sat 1/10

8:35 am-1:35 pm

1 stop6h 00m

$369

MissoulaMoline

MSO - MLI

MSOMLI

Missoula Johnson-Bell Field

Fri 1/23

2:37 pm-8:34 pm

1 stop4h 57m

Moline Quad-City

Tue 1/27

8:46 am-4:05 pm

1 stop8h 19m

$369

MissoulaChicago

MSO - MDW

MSOMDW

Missoula Johnson-Bell Field

Thu 2/19

11:36 am-11:51 pm

1 stop11h 15m

Chicago Midway

Sun 2/22

3:26 pm-3:15 pm

2 stops24h 49m

$371

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 Illinois from

How to get the cheapest flight ticket from Missoula to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Missoula is in July. Flight prices, which tend to average around $289, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of July, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $327.

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

The cheapest day to depart from Missoula to Illinois is on a Thursday when prices can be found for as low as $462. Flights from Missoula to Illinois on a Monday will generally be more expensive and average around $650. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Missoula to Illinois during this time can be as low as $383. Flights at noon are often more expensive with an average ticket price of $608.

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

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

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

You are more likely to see cheaper flights to Illinois from Missoula when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $401 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Missoula for as low as $299 on momondo.

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

There are 4 cabin classes available to choose from on Missoula Johnson-Bell Field to Illinois 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 Missoula to Illinois flights?

You could potentially save up to 51% on your flight if you consider stops on a Missoula to Illinois flight.

Cheap Missoula to Illinois flight deals and tips

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

Best Price Found

$314

Fastest flight time

3h 29m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Missoula in the past 72 hours is $314. The best round-trip flight deal from Missoula to Illinois found on momondo in the last 72 hours is $329.
The fastest flight from Missoula to Illinois takes 3h 29m
Direct flights go from Missoula to Illinois every day.
There are 98 airports in Illinois. From Missoula there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

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

    Prices for flights from Missoula Johnson-Bell Field Airport to Illinois were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missoula Johnson-Bell Field Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois 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 Illinois. 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 Missoula to Illinois?

Best airlines flying from Missoula to Illinois

Compare and see reviews for airlines that fly from Missoula to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $191Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.9
8,005 reviews
Search Delta flights
Alaska AirlinesPriceFrom $349Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missoula to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Illinois from Missoula on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Illinois from Missoula. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Illinois from Missoula. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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