Cheap flights from Boise to St. Louis from $145

Travelers frequently search for route combinations, such as Boise and Las Vegas, Guadalajara, Phoenix, Santa Ana, San Diego, Seattle, London, Calgary, Brussels, Dallas, Mexico City, Houston, Tunis, Seoul, Milwaukee, Liberia, Oaxaca, Zürich, Accra, Reykjavik.

Travelers frequently search for route combinations, such as St. Louis and Denver, Orlando, Las Vegas, Los Angeles, London, Dallas, Fort Lauderdale, Bogotá, Mexico City, Tokyo, Frankfurt, Cebu, San Francisco, Athens, Amsterdam, Naples, Cancún, Portland, Washington, D.C., San Diego.

The main airport in Boise is Boise. It is also served by Boise, Friedman Memorial, Magic Valley Regional.

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Evansville Regional, Waynesville-St. Robert Regional, Abraham Lincoln Capital, Cape Girardeau Regional, MidAmerica St. Louis, Central Illinois Regional, Barkley Regional, Quincy Regional.

Currently, you can fly between Boise and St. Louis with United Airlines, Alaska Airlines, Hawaiian Airlines, Frontier Airlines, Allegiant Air.

If you don’t have specific dates for your trip between Boise and St. Louis, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Boise and St. Louis, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Boise. The main one is Boise and other nearby airports include Boise, Friedman Memorial, Magic Valley Regional

There are a number of airports in and around St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, General Wayne A. Downing Peoria International, Evansville Regional, Waynesville-St. Robert Regional, Abraham Lincoln Capital, Cape Girardeau Regional, MidAmerica St. Louis, Central Illinois Regional, Barkley Regional, Quincy Regional.