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Cheap flights from Missoula to Chicago from $100

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 Chicago departing on 4/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:08 pm - 5:51 pm
MSO
-
ORD
3h 43mnonstop
American Airlines Logo
9:40 am - 12:38 pm
ORD
-
MSO
3h 58mnonstop
$249American Airlines
Fri, May 8 - Mon, May 11
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
$259United Airlines
Thu, May 21 - Mon, May 25
United Airlines Logo
2:35 pm - 10:55 pm
MSO
-
ORD
7h 20m
1 stop
United Airlines Logo
7:00 am - 1:33 pm
ORD
-
MSO
7h 33m
1 stop
$269United Airlines
Wed, Mar 18 - Wed, Mar 25
American Airlines Logo
1:08 pm - 5:51 pm
MSO
-
ORD
3h 43mnonstop
American Airlines Logo
9:40 am - 12:38 pm
ORD
-
MSO
3h 58mnonstop
$270American Airlines
Wed, May 13 - Tue, May 19
United Airlines Logo
12:34 pm - 5:05 pm
MSO
-
ORD
3h 31mnonstop
United Airlines Logo
8:40 am - 11:32 am
ORD
-
MSO
3h 52mnonstop
$272United Airlines
Thu, Jul 23 - Mon, Jul 27
Delta Logo
5:20 am - 12:18 pm
MSO
-
ORD
5h 58m
1 stop
Delta Logo
1:57 pm - 12:24 am
ORD
-
MSO
11h 27m
2 stops
$274Delta
Wed, Mar 18 - Wed, Mar 25
American Airlines Logo
1:08 pm - 5:51 pm
MSO
-
ORD
3h 43mnonstop
American Airlines Logo
9:40 am - 12:38 pm
ORD
-
MSO
3h 58mnonstop
$279American Airlines
Wed, Apr 15 - Sat, Apr 18
United Airlines Logo
2:25 pm - 11:19 pm
MSO
-
ORD
7h 54m
1 stop
United Airlines Logo
6:00 am - 1:19 pm
ORD
-
MSO
8h 19m
1 stop
$286United Airlines
Thu, Jul 9 - Fri, Jul 17
Delta Logo
5:37 am - 11:52 am
MSO
-
ORD
5h 15m
1 stop
Delta Logo
8:42 am - 2:40 pm
ORD
-
MSO
6h 58m
1 stop
$290Delta
Fri, May 8 - Mon, May 11
Alaska Airlines Logo
3:55 pm - 11:59 pm
MSO
-
ORD
7h 04m
1 stop
Alaska Airlines Logo
6:00 am - 2:59 pm
ORD
-
MSO
9h 59m
1 stop
$303Alaska Airlines
Tue, Apr 28 - Fri, May 1

United Airlines flights from Missoula to Chicago O'Hare Intl Airport

Our best United Airlines deals on Missoula to Chicago O'Hare Intl Airport flight tickets
United Airlines
May 21
MSO5:20 pmMissoula Johnson-Bell Field
6h 24m
1 stop
ORD12:44 amChicago O'Hare Intl
May 25
ORD8:40 amChicago O'Hare Intl
3h 52m
MSO11:32 amMissoula Johnson-Bell Field
$259
United Airlines
Mar 18
MSO2:35 pmMissoula Johnson-Bell Field
7h 20m
1 stop
ORD10:55 pmChicago O'Hare Intl
Mar 25
ORD7:00 amChicago O'Hare Intl
7h 33m
1 stop
MSO1:33 pmMissoula Johnson-Bell Field
$269
United Airlines
Jul 23
MSO12:34 pmMissoula Johnson-Bell Field
3h 31m
ORD5:05 pmChicago O'Hare Intl
Jul 27
ORD8:40 amChicago O'Hare Intl
3h 52m
MSO11:32 amMissoula Johnson-Bell Field
$272

Delta flights from Missoula to Chicago O'Hare Intl Airport

Our best Delta deals on Missoula to Chicago O'Hare Intl Airport flight tickets
Delta
Mar 18
MSO5:20 amMissoula Johnson-Bell Field
5h 58m
1 stop
ORD12:18 pmChicago O'Hare Intl
Mar 25
ORD1:57 pmChicago O'Hare Intl
11h 27m
2 stops
MSO12:24 amMissoula Johnson-Bell Field
$274
Delta
May 8
MSO5:37 amMissoula Johnson-Bell Field
5h 15m
1 stop
ORD11:52 amChicago O'Hare Intl
May 11
ORD8:42 amChicago O'Hare Intl
6h 58m
1 stop
MSO2:40 pmMissoula Johnson-Bell Field
$290
Delta
May 13
MSO5:15 amMissoula Johnson-Bell Field
11h 58m
2 stops
ORD6:13 pmChicago O'Hare Intl
May 20
ORD8:42 amChicago O'Hare Intl
6h 58m
1 stop
MSO2:40 pmMissoula Johnson-Bell Field
$304

momondo Fare Finder

 
Customize your flight search to find flights from Missoula to Chicago O'Hare Intl Airport 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 February 23, 2026.
Use the filters below to find and compare flights from Missoula to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 5/8

1:08 pm-5:51 pm

Nonstop3h 43m

Chicago O'Hare Intl

Mon 5/11

9:40 am-12:38 pm

Nonstop3h 58m

$249

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Thu 5/21

5:20 pm-12:44 am

1 stop6h 24m

Chicago O'Hare Intl

Mon 5/25

8:40 am-11:32 am

Nonstop3h 52m

$259

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 3/18

2:35 pm-10:55 pm

1 stop7h 20m

Chicago O'Hare Intl

Wed 3/25

7:00 am-1:33 pm

1 stop7h 33m

$269

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 5/13

1:08 pm-5:51 pm

Nonstop3h 43m

Chicago O'Hare Intl

Tue 5/19

9:40 am-12:38 pm

Nonstop3h 58m

$270

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Thu 7/23

12:34 pm-5:05 pm

Nonstop3h 31m

Chicago O'Hare Intl

Mon 7/27

8:40 am-11:32 am

Nonstop3h 52m

$272

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 3/18

5:20 am-12:18 pm

1 stop5h 58m

Chicago O'Hare Intl

Wed 3/25

1:57 pm-12:24 am

2 stops11h 27m

$274

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 4/15

1:08 pm-5:51 pm

Nonstop3h 43m

Chicago O'Hare Intl

Sat 4/18

9:40 am-12:38 pm

Nonstop3h 58m

$279

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Thu 7/9

2:25 pm-11:19 pm

1 stop7h 54m

Chicago O'Hare Intl

Fri 7/17

6:00 am-1:19 pm

1 stop8h 19m

$286

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 5/8

5:37 am-11:52 am

1 stop5h 15m

Chicago O'Hare Intl

Mon 5/11

8:42 am-2:40 pm

1 stop6h 58m

$290

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 4/28

3:55 pm-11:59 pm

1 stop7h 04m

Chicago O'Hare Intl

Fri 5/1

6:00 am-2:59 pm

1 stop9h 59m

$303

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 Chicago from

How to get the cheapest flight ticket from Missoula to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of July is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Missoula averaging around $330.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $450. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Missoula because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $597.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Missoula in the morning is the least expensive time of day to depart. momondo users have found prices as low as $474 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $532. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Missoula Johnson-Bell Field to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Missoula when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Missoula for as low as $299 on momondo.

What cabin class options are available on Missoula Johnson-Bell Field to Chicago O'Hare Intl flights?

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

How have Missoula to Chicago O'Hare Intl Airport flight prices changed over time?

As of February 2026, prices for Missoula to Chicago O'Hare Intl Airport flights are approximately 141% more expensive when compared to flights at the same time last year.

When to book flights from Missoula to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Missoula to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Missoula to Chicago O'Hare Intl Airport (MSO to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missoula to Chicago O'Hare Intl Airport

Best Price Found

$260

Fastest flight time

3h 20m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Missoula in the past 72 hours is $260. The best round-trip flight deal from Missoula to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $388.
The fastest flight from Missoula to Chicago O'Hare Intl Airport takes 3h 20m
Direct flights go from Missoula to Chicago O'Hare Intl Airport every day.
Search flight deals

  • How far is Missoula Johnson-Bell Field to Chicago O'Hare Intl by plane?

    The distance between Missoula Johnson-Bell Field and Chicago O'Hare Intl is about 1323.3 mi. By plane, this route typically takes 3h 20m.

  • When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Missoula Johnson-Bell Field Airport to Chicago O'Hare Intl Airport are updated daily.

  • How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Missoula Johnson-Bell Field Airport to Chicago O'Hare Intl Airport?

    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 Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl 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 Chicago O'Hare Intl 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 Missoula to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Missoula to Chicago O'Hare Intl Airport?

Best airlines flying from Missoula to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Missoula to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $191Free CancellationRating
7.2
11,339 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,342 reviews
Search United Airlines flights
DeltaPriceFrom $279Free CancellationRating
7.9
8,236 reviews
Search Delta flights
Alaska AirlinesPriceFrom $349Free CancellationRating
8.0
11,937 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Missoula to Chicago O'Hare Intl Airport

    Alaska Airlines is one of the most popular airlines flying from Missoula to Chicago O'Hare Intl Airport, operating 7 flights/week on average for this route. A good Alaska Airlines flight deal for Missoula to Chicago O'Hare Intl Airport starts from $349 round-trip, up to an average price of $469. Our users have rated Alaska Airlines at 8.0/10.

  • American Airlines Flights From Missoula to Chicago O'Hare Intl Airport

    Across 11,339 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Missoula to Chicago O'Hare Intl Airport about 7 times each week, with ticket deals ranging from $191 to $350. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
New Buffalo
Kenosha
Orland Park
Oak Brook
Joliet
Racine
Janesville
Hammond
Aurora
Tinley Park
Elgin
South Holland

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missoula to Chicago for you.

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

Yes. momondo allows you to filter the results for Missoula to Chicago flights to just show those with flexible booking policies.

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

Once you have performed a search for Missoula to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Missoula to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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