HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$114+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missoula to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Missoula Johnson-Bell Field to Chicago O'Hare Intl are usually found in September or January, 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/256:00 amMSO - ORD
1 stop7h 55mUnited Airlines
Fri 1/22:31 pmORD - MSO
1 stop8h 10mUnited Airlines
Deal found 12/10$379
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/152:14 pmMSO - ORD
1 stop7h 16mAlaska Airlines
Wed 12/178:00 amORD - MSO
1 stop8h 32mAlaska Airlines
Deal found 12/10$479
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/285:15 pmMSO - ORD
1 stop5h 44mUnited Airlines
Sat 1/32:31 pmORD - MSO
1 stop8h 10mUnited Airlines
Deal found 12/10$492
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:18 pmMSO - ORD
Nonstop3h 32mAmerican Airlines
Fri 1/29:53 amORD - MSO
Nonstop3h 55mAmerican Airlines
Deal found 12/11$506
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/252:38 pmMSO - ORD
1 stop7h 34mUnited Airlines
Thu 1/11:55 pmORD - MSO
1 stop8h 46mUnited Airlines
Deal found 12/10$540
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:18 pmMSO - ORD
Nonstop3h 32mAmerican Airlines
Sat 1/39:53 amORD - MSO
Nonstop3h 55mAmerican Airlines
Deal found 12/10$581
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/275:15 pmMSO - ORD
1 stop5h 44mUnited Airlines
Sat 1/32:31 pmORD - MSO
1 stop8h 10mUnited Airlines
Deal found 12/11$613
This Delta deal was found by Cheapflights users on 12/10. 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 12/258:10 amMSO - ORD
2 stops10h 28mDelta
Fri 1/24:01 pmORD - MSO
1 stop5h 39mDelta
Deal found 12/10$624
This Delta deal was found by Cheapflights users on 12/10. 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.
Mon 12/156:16 pmMSO - ORD
2 stops13h 23mDelta
Wed 12/177:20 amORD - MSO
1 stop6h 13mDelta
Deal found 12/10$626

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$241
(American Airlines)

One-way from

$114
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$542

Good round-trip deal

$331 or less

Good one-way deal

$343 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 December 2025
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 December 12, 2025.
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

Fri 1/23

10:53 am-4:51 pm

2 stops28h 58m

Chicago O'Hare Intl

Sun 1/25

9:38 pm-10:03 am

1 stop13h 25m

$266

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 2/28

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

$269

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/21

1:25 pm-9:52 pm

1 stop7h 27m

Chicago O'Hare Intl

Mon 1/26

6:40 pm-12:28 am

1 stop6h 48m

$269

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 2/14

1:39 pm-11:56 pm

1 stop9h 17m

Chicago O'Hare Intl

Wed 2/18

3:54 pm-11:59 pm

1 stop9h 05m

$269

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 2/28

7:55 am-4:41 pm

2 stops7h 46m

Chicago O'Hare Intl

Wed 3/4

9:52 am-8:01 pm

2 stops11h 09m

$279

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 1/7

5:00 am-5:26 pm

2 stops11h 26m

Chicago O'Hare Intl

Mon 1/12

3:59 pm-12:29 am

2 stops9h 30m

$324

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Mon 2/9

10:53 am-5:03 pm

2 stops53h 10m

$114

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Wed 2/11

2:03 pm-11:50 pm

1 stop8h 47m

$134

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 2/10

6:23 am-5:10 pm

1 stop9h 47m

$135

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Thu 2/12

6:23 am-2:11 pm

1 stop6h 48m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 15 results
1
2

Compare providers for flights from Missoula to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to O'Hare Intl in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Missoula-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Missoula-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

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 February is currently the most expensive (average of $346). 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 December 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 50% on flights from Missoula to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.

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 December 12, 2025.
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
11,432 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,007 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 0 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 7h 27m. The distance from Missoula to Chicago O'Hare Intl Airport is about 1328 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 (100%), Qatar Airways (100%), Alaska Airlines (100%).

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

    On average you can expect to pay $404 for a flight from Missoula to Chicago O'Hare Intl Airport. The cheapest flight overall is $268 while the most popular route, (Missoula Johnson-Bell Field - Chicago O'Hare Intl) is currently priced at $245.

  • 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 February is currently the most expensive (average of $346). 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
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$345FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$417FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$356FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$349Average$455FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.