The journey from Hamilton to St. Louis is a significant cross-country trip. You will fly out of Missoula International Airport (MSO) to St. Louis Lambert International Airport (STL). Connections are typically made in hubs like Chicago or Denver. St. Louis is a city on the Mississippi River, known for the Gateway Arch.
Total Distance: 2,300 km driving distance; 1,900 km straight-line air distance.
United offers frequent connections through Chicago to St. Louis.
Spring or Autumn for the most comfortable weather.