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Cheap Flights from St. Louis to Missoula starting at S$ 280

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from St. Louis to Missoula

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from St. Louis to Missoula

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Alaska Airlines
From S$ 280
United Airlines
From S$ 350
Frontier Airlines
From S$ 388
American Airlines
From S$ 440
Delta Air Lines
From S$ 512
ANA airlines

Find more flights and airlines

Alternative Routes from St. Louis to Missoula

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from St. Louis to Missoula.

  • Cheapest
    Alaska Airlines
    STL
    07:00
    7h 51m
    1 transfer
    MSO
    13:51
    St. Louis Lambert International Airport - Missoula International Airport
    Tue, Apr 23Alaska Airlines
    S$ 280
  • Alaska Airlines
    STL
    07:00
    7h 51m
    1 transfer
    MSO
    13:51
    St. Louis Lambert International Airport - Missoula International Airport
    Tue, Apr 23Alaska Airlines
    S$ 280
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from St. Louis (STL) to Missoula (MSO) the cheapest?

    Airlines adjust prices for flights from St. Louis to Missoula based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from St. Louis (STL) to Missoula (MSO) cost?

    According to Trip.com's data, the lowest price is around S$ 828.
  • What is the transportation method from the main airport to downtown in Missoula?

    • The distance from Missoula International Airport to downtown is about 8km, by taxi about 20 minutes.
  • How many airports in Missoula?

    There are 1 airports near Missoula: Missoula International Airport.

Find cheapest flight ticket from St. Louis to Missoula

Cheapest direct flight price

S$ 280

Cheapest month

March

Peak season for travel

November