O'Hare Intl

$117+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — ORD
août 3 — août 101
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Cheapflights Tip: The best prices from Missoula Johnson-Bell Field to Chicago O'Hare Intl are usually found in October or September, booked 42 days in advance, depart on a Thursday or Friday and return on a Friday

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 juillet 29, 2025.

Round-trip from

$191
(American Airlines)

One-way from

$117
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$330

Good round-trip deal

$347 or less

Good one-way deal

$278 or less
From Missoula Johnson-Bell Field to Chicago O'Hare Intl
One-way flight from Missoula Johnson-Bell Field to Chicago O'Hare Intl
Highest demand for flights based on searches. 11% potential increase in price ($54 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Missoula Johnson-Bell Field to Chicago O'Hare Intl.
Price to beat on a one-way flight from Missoula Johnson-Bell Field to Chicago O'Hare Intl.

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 juillet 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/26. 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.
mer. 9/2412:50 pmMSO - ORD
Nonstop3h 31mAmerican Airlines
lun. 9/298:36 pmORD - MSO
Nonstop3h 42mAmerican Airlines
Deal found 7/26$191
This United Airlines deal was found by Cheapflights users on 7/26. 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.
mer. 9/102:39 pmMSO - ORD
1 stop7h 03mUnited Airlines
dim. 9/145:00 amORD - MSO
1 stop5h 57mUnited Airlines
Deal found 7/26$211
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/114:14 pmMSO - ORD
1 stop6h 49mHawaiian Airlines
mer. 9/178:00 amORD - MSO
1 stop8h 18mHawaiian Airlines
Deal found 7/26$224
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/1012:40 pmMSO - ORD
1 stop10h 13mFrontier
lun. 10/136:00 amORD - MSO
1 stop7h 09mFrontier
Deal found 7/26$238
This Delta deal was found by Cheapflights users on 7/26. 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.
ven. 9/125:45 amMSO - ORD
2 stops11h 19mDelta
mar. 9/168:52 amORD - MSO
1 stop6h 46mDelta
Deal found 7/26$258
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
mer. 9/101:12 pmMSO - ORD
2 stops9h 51mAlaska Airlines
dim. 9/146:20 amORD - MSO
1 stop9h 58mAlaska Airlines
Deal found 7/26$327
This Mytrip deal was found by Cheapflights users on 7/27. 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.
lun. 8/119:54 pmMSO - ORD
2 stops12h 41mMultiple Airlines
ven. 8/156:00 amORD - MSO
1 stop12h 23mMultiple Airlines
Deal found 7/27$333

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 juillet 29, 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

mer. 9/24

12:50 pm-5:21 pm

Nonstop3h 31m

Chicago O'Hare Intl

lun. 9/29

8:36 pm-11:18 pm

Nonstop3h 42m

$191

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

mer. 9/10

2:39 pm-10:42 pm

1 stop7h 03m

Chicago O'Hare Intl

dim. 9/14

5:00 am-9:57 am

1 stop5h 57m

$211

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

jeu. 9/11

4:14 pm-12:03 am

1 stop6h 49m

Chicago O'Hare Intl

mer. 9/17

8:00 am-3:18 pm

1 stop8h 18m

$224

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

ven. 10/10

12:40 pm-11:53 pm

1 stop10h 13m

Chicago O'Hare Intl

lun. 10/13

6:00 am-12:09 pm

1 stop7h 09m

$238

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

ven. 9/12

5:45 am-6:04 pm

2 stops11h 19m

Chicago O'Hare Intl

mar. 9/16

8:52 am-2:38 pm

1 stop6h 46m

$258

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

mer. 9/10

1:12 pm-12:03 am

2 stops9h 51m

Chicago O'Hare Intl

dim. 9/14

6:20 am-3:18 pm

1 stop9h 58m

$327

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

lun. 8/11

9:54 pm-11:35 am

2 stops12h 41m

Chicago O'Hare Intl

ven. 8/15

6:00 am-5:23 pm

1 stop12h 23m

$333

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

jeu. 10/2

6:37 am-11:00 am

Nonstop3h 23m

$117

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

mar. 9/23

5:45 am-12:00 pm

1 stop5h 15m

$119

MissoulaChicago

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

lun. 8/25

6:21 pm-4:50 am

1 stop9h 29m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 14 results
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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 July 25, 2025.

Booking 40 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 $321). 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 juillet 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 61% on flights from Missoula to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.

Weekly flight availability from Missoula to Chicago O'Hare Intl Airport

Explore weekly flight availability from Missoula to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juillet 29, 2025.

The most flights from MSO to ORD are scheduled on a Monday (7 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

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 juillet 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian 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.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
8.0
Very good

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 3 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 ($191), United Airlines ($211), and Hawaiian Airlines ($224) 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 51% 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 American Airlines, with whom users have recently found tickets for as low as $117. However, be on the lookout for offers from Delta and Frontier, 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: United Airlines (86%), American Airlines (73%), Envoy Air (73%).

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

    On average you can expect to pay $748 for a flight from Missoula to Chicago O'Hare Intl Airport. The cheapest flight overall is $154 while the most popular route, (Missoula Johnson-Bell Field - Chicago O'Hare Intl) is currently priced at $211.

  • 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 $321). 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
Beloit
Hoffman Estates
Skokie
Naperville
Des Plaines
Elgin
Arlington Heights
Elk Grove Village
Racine
Rockford
Tinley Park
Orland Park
Merrillville
Downers Grove
Evanston
Lake Geneva
Gurnee
Joliet

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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 juillet 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$364FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$267Average$455FlexibilityNo cancel feeOn-time75%
DeltaCheapest$268Average$363FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$302Average$426FlexibilityNo cancel feeOn-time69%

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