Cheap flights from Missoula to Illinois from $165

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 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 Missoula to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:29 pm - 6:00 pm
MSO
-
ORD
3h 31mnonstop
American Airlines Logo
9:50 am - 12:39 pm
ORD
-
MSO
3h 49mnonstop
$309American Airlines
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
5:20 pm - 12:44 am
MSO
-
ORD
6h 24m
1 stop
United Airlines Logo
8:40 am - 11:32 am
ORD
-
MSO
3h 52mnonstop
$319United Airlines
Wed, Jun 3 - Wed, Jun 10
Alaska Airlines Logo
4:13 pm - 11:59 pm
MSO
-
ORD
6h 46m
1 stop
Alaska Airlines Logo
9:00 am - 3:17 pm
ORD
-
MSO
7h 17m
1 stop
$329Alaska Airlines
Tue, Sep 1 - Sat, Sep 5
Delta Logo
5:45 am - 1:11 pm
MSO
-
MDW
6h 26m
1 stop
Delta Logo
9:20 am - 2:37 pm
MDW
-
MSO
6h 17m
1 stop
$329Delta
Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
12:40 pm - 5:00 pm
MSO
-
ORD
3h 20mnonstop
United Airlines Logo
8:55 am - 11:34 am
ORD
-
MSO
3h 39mnonstop
$333United Airlines
Fri, Sep 11 - Tue, Sep 15
Delta Logo
5:31 am - 12:00 pm
MSO
-
ORD
5h 29m
1 stop
Delta Logo
5:30 am - 5:49 pm
ORD
-
MSO
13h 19m
2 stops
$334Delta
Wed, Jul 1 - Sun, Jul 5
Delta Logo
5:55 am - 1:09 pm
MSO
-
MDW
6h 14m
1 stop
Delta Logo
6:00 am - 5:49 pm
MDW
-
MSO
12h 49m
2 stops
$334Delta
Wed, Jul 1 - Sun, Jul 5
Alaska Airlines Logo
1:04 pm - 11:41 pm
MSO
-
ORD
9h 37m
1 stop
Alaska Airlines Logo
9:00 am - 3:17 pm
ORD
-
MSO
7h 17m
1 stop
$339Alaska Airlines
Tue, Sep 1 - Sat, Sep 5
Delta Logo
5:05 am - 1:19 pm
MSO
-
MDW
7h 14m
1 stop
Delta Logo
7:13 pm - 11:40 pm
MDW
-
MSO
5h 27m
1 stop
$339Delta
Wed, Jun 3 - Sat, Jun 6
American Airlines Logo
1:29 pm - 8:03 pm
MSO
-
STL
5h 34m
1 stop
American Airlines Logo
7:44 am - 12:30 pm
STL
-
MSO
5h 46m
1 stop
$349American Airlines
Wed, Sep 23 - Mon, Sep 28

United Airlines flights from Missoula to Illinois

Our best United Airlines deals on Missoula to Illinois flight tickets
United Airlines
Jun 3
MSO5:20 pmMissoula Johnson-Bell Field
6h 24m
1 stop
ORD12:44 amChicago O'Hare Intl
Jun 10
ORD8:40 amChicago O'Hare Intl
3h 52m
MSO11:32 amMissoula Johnson-Bell Field
$319
United Airlines
Sep 11
MSO12:40 pmMissoula Johnson-Bell Field
3h 20m
ORD5:00 pmChicago O'Hare Intl
Sep 15
ORD8:55 amChicago O'Hare Intl
3h 39m
MSO11:34 amMissoula Johnson-Bell Field
$333
United Airlines
Jul 1
MSO5:20 pmMissoula Johnson-Bell Field
6h 24m
1 stop
ORD12:44 amChicago O'Hare Intl
Jul 5
ORD8:40 amChicago O'Hare Intl
3h 52m
MSO11:32 amMissoula Johnson-Bell Field
$343

Delta flights from Missoula to Illinois

Our best Delta deals on Missoula to Illinois flight tickets
Delta
Sep 16
MSO5:45 amMissoula Johnson-Bell Field
6h 26m
1 stop
MDW1:11 pmChicago Midway
Sep 20
MDW9:20 amChicago Midway
6h 17m
1 stop
MSO2:37 pmMissoula Johnson-Bell Field
$329
Delta
Jul 1
MSO5:31 amMissoula Johnson-Bell Field
5h 29m
1 stop
ORD12:00 pmChicago O'Hare Intl
Jul 5
ORD5:30 amChicago O'Hare Intl
13h 19m
2 stops
MSO5:49 pmMissoula Johnson-Bell Field
$334
Delta
Jun 3
MSO5:05 amMissoula Johnson-Bell Field
7h 14m
1 stop
MDW1:19 pmChicago Midway
Jun 6
MDW7:13 pmChicago Midway
5h 27m
1 stop
MSO11:40 pmMissoula Johnson-Bell Field
$339

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 May 9, 2026.
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

Cheapest round-trip

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Thu 10/22

1:29 pm-6:00 pm

Nonstop3h 31m

Chicago O'Hare Intl

Mon 10/26

9:50 am-12:39 pm

Nonstop3h 49m

$309

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 6/3

5:20 pm-12:44 am

1 stop6h 24m

Chicago O'Hare Intl

Wed 6/10

8:40 am-11:32 am

Nonstop3h 52m

$319

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 9/1

4:13 pm-11:59 pm

1 stop6h 46m

Chicago O'Hare Intl

Sat 9/5

9:00 am-3:17 pm

1 stop7h 17m

$329

MissoulaChicago

MSO - MDW

MSOMDW

Missoula Johnson-Bell Field

Wed 9/16

5:45 am-1:11 pm

1 stop6h 26m

Chicago Midway

Sun 9/20

9:20 am-2:37 pm

1 stop6h 17m

$329
Quickest round-trip

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 9/11

12:40 pm-5:00 pm

Nonstop3h 20m

Chicago O'Hare Intl

Tue 9/15

8:55 am-11:34 am

Nonstop3h 39m

$333

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 7/1

5:31 am-12:00 pm

1 stop5h 29m

Chicago O'Hare Intl

Sun 7/5

5:30 am-5:49 pm

2 stops13h 19m

$334

MissoulaChicago

MSO - MDW

MSOMDW

Missoula Johnson-Bell Field

Wed 7/1

5:55 am-1:09 pm

1 stop6h 14m

Chicago Midway

Sun 7/5

6:00 am-5:49 pm

2 stops12h 49m

$334

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 9/1

1:04 pm-11:41 pm

1 stop9h 37m

Chicago O'Hare Intl

Sat 9/5

9:00 am-3:17 pm

1 stop7h 17m

$339

MissoulaChicago

MSO - MDW

MSOMDW

Missoula Johnson-Bell Field

Wed 6/3

5:05 am-1:19 pm

1 stop7h 14m

Chicago Midway

Sat 6/6

7:13 pm-11:40 pm

1 stop5h 27m

$339

MissoulaSt. Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Wed 9/23

1:29 pm-8:03 pm

1 stop5h 34m

Lambert-St Louis

Mon 9/28

7:44 am-12:30 pm

1 stop5h 46m

$349

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 October. Flight prices, which tend to average around $166, 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 October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $191.

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 $456. Flights from Missoula to Illinois on a Sunday will generally be more expensive and average around $590. 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 morning. Flights from Missoula to Illinois during this time can be as low as $474. Flights at noon are often more expensive with an average ticket price of $545.

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

Can stopping save me money on Missoula to Illinois flights?

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

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

$286

Fastest flight time

3h 20m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Missoula in the past 72 hours is $286. The best round-trip flight deal from Missoula to Illinois found on momondo in the last 72 hours is $420.
The fastest flight from Missoula to Illinois takes 3h 20m
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).

Frequently asked questions about flying from Missoula to Illinois

  • 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
Alaska AirlinesPriceFrom $166Free CancellationRating
7.9
12,349 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $191Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
DeltaPriceFrom $245Free CancellationRating
7.9
8,457 reviews
Search Delta flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,695 reviews
Search United 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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1 adult
Mon 6/8
Mon 6/15

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