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

$128+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — ORD
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 October or January, booked 59 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$235
(American Airlines)

One-way from

$128
(Delta)

Popular in

December

Cheapest in

October

Average price

$476

Good round-trip deal

$438 or less

Good one-way deal

$195 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. 6% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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

Find 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 March 26, 2025.

This American Airlines deal was found by Cheapflights users on 3/23. 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 7/312:54 pmMSO - ORD
Nonstop3h 22mAmerican Airlines
Sun 7/138:38 pmORD - MSO
Nonstop3h 55mAmerican Airlines
Deal found 3/23$235
This Delta deal was found by Cheapflights users on 3/24. 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 6/101:08 pmMSO - ORD
1 stop8h 02mDelta
Tue 6/178:27 amORD - MSO
1 stop6h 50mDelta
Deal found 3/24$255
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 6/105:15 pmMSO - ORD
1 stop6h 10mUnited Airlines
Tue 6/179:02 amORD - MSO
Nonstop3h 48mUnited Airlines
Deal found 3/24$259
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/189:06 pmMSO - ORD
2 stops31h 58mMultiple Airlines
Sun 4/2011:53 amORD - MSO
2 stops28h 33mMultiple Airlines
Deal found 3/25$326
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/12:35 pmMSO - ORD
1 stop8h 24mAlaska Airlines
Tue 4/157:40 amORD - MSO
1 stop6h 59mAlaska Airlines
Deal found 3/24$333
This Hawaiian Airlines deal was found by Cheapflights users on 3/23. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/313:17 pmMSO - ORD
1 stop7h 42mHawaiian Airlines
Sun 6/86:00 amORD - MSO
1 stop9h 21mHawaiian Airlines
Deal found 3/23$364

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 March 26, 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

Thu 7/3

12:54 pm-5:16 pm

Nonstop3h 22m

Chicago O'Hare Intl

Sun 7/13

8:38 pm-11:33 pm

Nonstop3h 55m

$235

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 6/10

1:08 pm-10:10 pm

1 stop8h 02m

Chicago O'Hare Intl

Tue 6/17

8:27 am-2:17 pm

1 stop6h 50m

$255

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 6/10

5:15 pm-12:25 am

1 stop6h 10m

Chicago O'Hare Intl

Tue 6/17

9:02 am-11:50 am

Nonstop3h 48m

$259

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 4/18

9:06 pm-6:04 am

2 stops31h 58m

Chicago O'Hare Intl

Sun 4/20

11:53 am-3:26 pm

2 stops28h 33m

$326

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 5/31

3:17 pm-11:59 pm

1 stop7h 42m

Chicago O'Hare Intl

Sun 6/8

6:00 am-2:21 pm

1 stop9h 21m

$364

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 5/23

6:39 pm-11:59 pm

1 stop28h 20m

Chicago O'Hare Intl

Mon 5/26

6:00 am-12:13 pm

1 stop7h 13m

$397

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 6/24

5:53 am-11:42 am

1 stop4h 49m

$128

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Tue 4/22

2:54 pm-11:59 pm

1 stop8h 05m

$135

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Thu 7/31

5:07 am-9:31 am

Nonstop3h 24m

$143

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 8/15

5:20 pm-12:30 am

1 stop6h 10m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice 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 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 March 21, 2025.

Booking 22 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 $245). Flying from Missoula to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 March 26, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 55% on flights from Missoula to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 26, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Missoula to Chicago to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,789 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,891 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,608 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    According to our current data, American Airlines ($235), Delta ($255), and United Airlines ($259) 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 43% 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 $128. 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 cheapest flights from Missoula to Chicago O'Hare Intl Airport?

    On average you can expect to pay $420 for a flight from Missoula to Chicago O'Hare Intl Airport. The cheapest flight overall is $167 while the most popular route, (Missoula Johnson-Bell Field - Chicago O'Hare Intl) is currently priced at $255.

  • 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 $245). Flying from Missoula to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 Missoula?

Book flights to Missoula if you plan to visit one of these locations
Rosemont
Beloit
Naperville
Schaumburg
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Kenosha
Arlington Heights
Joliet
Orland Park
Merrillville
Northbrook
Evanston
New Buffalo
Elgin
Glenview
Lake Geneva

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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$229Average$386FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$398FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$257Average$423FlexibilityNo cancel feeOn-time75%
DeltaCheapest$268Average$365FlexibilityNo cancel feeOn-timeN/A
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.