$231 Find Cheap Flights from Missoula to St. Louis - Compare and Save

Flights from Missoula to St. Louis usually depart from Missoula Johnson-Bell Field (MSO) and arrive at Lambert-St Louis (STL).

Two cabin classes are available on flights from Missoula to St. Louis:

• Economy Class
• First Class

One-stop flights from Missoula to St. Louis most commonly connect through:

• Denver Intl (DEN) - 60% of one-stop connections
• Minneapolis St Paul (MSP) - 21% of one-stop connections
• Salt Lake City (SLC) - 13% of one-stop connections
• Dallas/Fort Worth (DFW) - 4% of one-stop connections

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

Yes. Being flexible with your travel dates can save you up to 47% on the Missoula to St. Louis route. Thursday is the cheapest departure day at $370 round-trip on average, while Wednesday is the most expensive at $690, a difference of $320. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

A nonstop flight from Missoula to St. Louis takes 0h 00m, covering 1,320 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 $475 to $1,453. That means the highest observed fare was about 3x higher than the lowest one.

One-way fares from Missoula to St. Louis are currently higher than usual. Average one-way flight prices are about $292, which is 19% above the typical average for this route.

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 44m, compared with 6h 10m via Minneapolis St Paul (MSP) and 6h 19m via Salt Lake City (SLC).

St. Louis is 1 hour ahead of Missoula (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

Round-trip flights from Missoula to St. Louis range from $370 to $578, with an average of $438 over the past 12 months. Anything below $370 counts as a good deal.