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O'Hare Intl

$119+ Cheap flights from Missoula (MSO) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — ORD
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheapflights Tip: The best prices from Missoula Johnson-Bell Field to Chicago O'Hare Intl are usually found in September or July, booked 71 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Missoula to O'Hare Intl

Cheapest flights from Missoula to O'Hare Intl
Explore the most affordable flight options available from Missoula to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:23 am
MSO
-
ORD
1 stop9h 10m
Alaska Airlines
Wed 3/45:29 pm
ORD
-
MSO
1 stop7h 30m
Alaska Airlines
Deal found 1/20$237
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:23 am
MSO
-
ORD
1 stop9h 10m
Alaska Airlines
Thu 3/53:54 pm
ORD
-
MSO
1 stop9h 05m
Alaska Airlines
Deal found 1/20$253
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:23 am
MSO
-
ORD
1 stop6h 48m
Alaska Airlines
Tue 3/33:54 pm
ORD
-
MSO
1 stop9h 05m
Alaska Airlines
Deal found 1/20$269
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:16 pm
MSO
-
ORD
1 stop7h 36m
Delta
Tue 3/39:52 am
ORD
-
MSO
2 stops11h 09m
Delta
Deal found 1/20$274
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:10 pm
MSO
-
ORD
2 stops13h 31m
Delta
Tue 3/311:18 am
ORD
-
MSO
2 stops9h 43m
Delta
Deal found 1/20$280
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:32 pm
MSO
-
ORD
1 stop5h 25m
United Airlines
Sun 6/78:55 am
ORD
-
MSO
Nonstop3h 39m
United Airlines
Deal found 1/21$289
This United Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:16 pm
MSO
-
ORD
1 stop5h 36m
United Airlines
Mon 3/162:45 pm
ORD
-
MSO
1 stop8h 12m
United Airlines
Deal found 1/18$292
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/191:16 pm
MSO
-
ORD
1 stop7h 36m
Delta
Fri 2/277:15 am
ORD
-
MSO
1 stop6h 11m
Delta
Deal found 1/19$294
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:10 pm
MSO
-
ORD
2 stops18h 12m
Delta
Mon 3/27:15 am
ORD
-
MSO
1 stop6h 11m
Delta
Deal found 1/19$296
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/34:20 pm
MSO
-
ORD
1 stop6h 30m
Alaska Airlines
Tue 2/108:00 am
ORD
-
MSO
1 stop8h 31m
Alaska Airlines
Deal found 1/20$299
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:55 am
MSO
-
ORD
2 stops12h 10m
Delta
Tue 2/107:20 am
ORD
-
MSO
1 stop6h 15m
Delta
Deal found 1/20$304

Find flight deals from Missoula to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$237
(Alaska Airlines)

One-way from

$119
(Alaska Airlines)

Popular in

November

Cheapest in

September

Average price

$350

Good round-trip deal

$379 or less

Good one-way deal

$258 or less
Provider with most accurate pricing for Missoula Johnson-Bell Field-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Chicago O'Hare Intl flights.
Search Deals
From Missoula Johnson-Bell Field to Chicago O'Hare Intl
Search Deals
One-way flight from Missoula Johnson-Bell Field to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Missoula Johnson-Bell Field to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Missoula Johnson-Bell Field to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 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

Missoula

Fly to

O'Hare Intl

Route

Depart

Return

Price

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 2/25

6:23 am-4:33 pm

1 stop9h 10m

Chicago O'Hare Intl

Wed 3/4

5:29 pm-11:59 pm

1 stop7h 30m

$253

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 2/24

6:23 am-4:33 pm

1 stop9h 10m

Chicago O'Hare Intl

Sat 3/7

5:29 pm-11:59 pm

1 stop7h 30m

$253

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 2/24

6:23 am-4:33 pm

1 stop9h 10m

Chicago O'Hare Intl

Thu 3/5

3:54 pm-11:59 pm

1 stop9h 05m

$253

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 2/24

6:23 am-4:33 pm

1 stop9h 10m

Chicago O'Hare Intl

Tue 3/3

5:29 pm-11:59 pm

1 stop7h 30m

$253

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Thu 2/26

4:20 pm-11:56 pm

1 stop6h 36m

Chicago O'Hare Intl

Wed 3/4

5:29 pm-11:59 pm

1 stop7h 30m

$253

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 2/18

5:08 pm-11:59 pm

1 stop5h 51m

Chicago O'Hare Intl

Sat 2/28

2:40 pm-9:57 pm

1 stop8h 17m

$269

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 2/21

6:23 am-2:11 pm

1 stop6h 48m

Chicago O'Hare Intl

Thu 3/5

5:29 pm-11:59 pm

1 stop7h 30m

$269

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 2/20

6:23 am-2:11 pm

1 stop6h 48m

Chicago O'Hare Intl

Mon 3/2

3:54 pm-11:59 pm

1 stop9h 05m

$269

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 2/25

6:23 am-4:33 pm

1 stop9h 10m

Chicago O'Hare Intl

Fri 3/6

5:29 pm-11:59 pm

1 stop7h 30m

$269

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 2/21

6:23 am-4:33 pm

1 stop9h 10m

Chicago O'Hare Intl

Thu 2/26

3:54 pm-11:59 pm

1 stop9h 05m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Missoula-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Missoula-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Missoula to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Missoula with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missoula to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Missoula to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Missoula to O'Hare Intl. Price data was last updated on January 16, 2026.

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Missoula to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Missoula to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Missoula to Chicago O'Hare Intl Airport (average of $191). Flying from Missoula to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MSO to ORD?

Find hourly flight availability from Missoula to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missoula to Chicago O'Hare Intl Airport as you normally would.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated January 21, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Missoula to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,768 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,768 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,087 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,188 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,169 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Missoula to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Missoula to Chicago O'Hare Intl?

    Missoula Johnson-Bell Field (MSO), located 5.5 mi from the city center, is the airport you fly out of when you book flights from Missoula to Chicago O'Hare Intl. 4 airlines have flights from Johnson-Bell Field to Chicago O'Hare Intl on a regular basis. Booking flights from Missoula Johnson-Bell Field to Chicago O'Hare Intl should not be difficult; the airport handles an average of 2 outbound flights to Chicago O'Hare Intl per day.

  • How long is the flight from Missoula to Chicago O'Hare Intl Airport?

    Departing from Missoula to Chicago O'Hare Intl Airport will take you 9h 10m. The distance from Missoula to Chicago O'Hare Intl Airport is about 1328 mi.

  • What are the cheapest airlines flying from Missoula to Chicago O'Hare Intl Airport round-trip?

    According to our current data, American Airlines ($191), United Airlines ($268), and Delta ($288) offers the cheapest pricing from Missoula to Chicago O'Hare Intl Airport. You may be able to fly from Missoula to Chicago O'Hare Intl Airport for 52% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Missoula to Chicago O'Hare Intl Airport one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $127. However, be on the lookout for offers from Alaska Airlines and American Airlines, as they are both options that can get you from Missoula to Chicago O'Hare Intl Airport for a low price.

  • What are the most reliable airlines from Missoula to Chicago O'Hare Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Missoula to Chicago O'Hare Intl Airport on time: American Airlines (61%), Alaska Airlines (61%), Envoy Air (61%).

  • What are the cheapest flights from Missoula to Chicago O'Hare Intl Airport?

    On average you can expect to pay $408 for a flight from Missoula to Chicago O'Hare Intl Airport. The cheapest flight overall is $215 while the most popular route, (Missoula Johnson-Bell Field - Chicago O'Hare Intl) is currently priced at $269.

  • Can I find deals for flights from Missoula to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Missoula to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missoula to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to O'Hare Intl.

  • Can I find deals for business class flights from Missoula to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Missoula to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missoula to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Missoula to Chicago O'Hare Intl Airport (average of $191). Flying from Missoula to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Bridgeview
Kenosha
Warrenville
Waukegan
Aurora

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Top 4 airlines flying from Missoula to O'Hare Intl

Discover the top 4 airlines that operate flights from Missoula to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$340FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$409FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$368FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$349Average$455FlexibilityNo cancel feeOn-time75%

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