$170 Find Cheap Flights from Chicago O'Hare Airport to Missoula - Compare and Save

Among airlines operating Chicago O'Hare Intl Airport to Missoula flights:

• American Airlines: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Alaska Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Chicago O'Hare Intl Airport and Missoula. The airlines offering nonstop flights on this route include:

• American Airlines
• United Airlines

Flights from Chicago O'Hare Intl Airport to Missoula usually depart from Chicago O'Hare Intl (ORD) and arrive at Missoula Johnson-Bell Field (MSO).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in First Class
• Alaska Airlines: a cabin bag and a checked bag in First Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Chicago O'Hare Intl Airport to Missoula:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $409 round-trip via Salt Lake City (SLC), compared to $451 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 family is used most often on this route, operated mainly by American Airlines and Alaska Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

One-stop flights from Chicago O'Hare Intl Airport to Missoula most commonly connect through:

• Denver Intl (DEN) - 63% of one-stop connections
• Salt Lake City (SLC) - 27% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 7% of one-stop connections
• Dallas/Fort Worth (DFW) - 3% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

On the Chicago O'Hare Intl Airport to Missoula route, being flexible with your departure day can save you up to 22%. Sunday is the cheapest day at $382 round-trip on average, while Thursday is the most expensive at $486: a $104 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Chicago O'Hare Intl Airport to Missoula flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Missoula:

• Earliest: departs at 8:42 am and lands at 12:37 pm
• Latest: departs at 10:00 am and lands at 1:55 pm.

The flight takes about 3h 55m.

Last-minute fares on this route - booked within 2 weeks of departure - run 19% above the route average of $445. Book 8 weeks before departure for the lowest fares.

A nonstop flight from Chicago O'Hare Intl Airport to Missoula takes 3h 55m, covering 1,328 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $339 to $1,576. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Chicago O'Hare Intl Airport to Missoula are currently lower than usual. Average one-way flight prices are about $208, which is 22% below the typical average for this route.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 06m, compared with 6h 18m via Denver Intl (DEN) and 7h 12m via Dallas/Fort Worth (DFW).

Missoula is 1 hour behind Chicago O'Hare Intl Airport (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Missoula Johnson-Bell Field Airport (MSO) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Thrifty
• Avis

Round-trip flights from Chicago O'Hare Intl Airport to Missoula range from $356 to $555, with an average of $445 over the past 12 months. Anything below $356 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Chicago O'Hare Intl Airport to Missoula flights:

• • American Airlines
• • Alaska Airlines