Cheap flights from St. Louis to Ushuaia from $538

Travelers frequently search for route combinations, such as St. Louis and Las Vegas, Cancún, Orlando, Los Angeles, San Francisco, Denver, Mexico City, Tuxtla Gutiérrez, Toronto, Ottawa, Lima, Buenos Aires, Cali, Sydney, Warsaw, San José, Washington, D.C., Reykjavik, Fort Lauderdale, Melbourne.

Travelers frequently search for route combinations, such as Ushuaia and Buenos Aires, New York, Los Angeles, Denver, El Calafate, Boston, Houston, Dallas, Minneapolis, Orlando, Puerto Iguazú, Santiago de Chile, Mendoza, Montevideo, Rio de Janeiro, Tucson, Cusco, Springfield, Nashville, Philadelphia.

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, MidAmerica St. Louis, Williamson County Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional, Central Illinois Regional, Barkley Regional, Abraham Lincoln Capital.

The main airport in Ushuaia is Ushuaia – Malvinas Argentinas International. It is also served by Ushuaia – Malvinas Argentinas International, Hermes Quijada International.

Currently, you can fly between St. Louis and Ushuaia with Aerolineas Argentinas, Frontier Airlines, LATAM Airlines, Flybondi, Spirit Airlines.

If you don’t have specific dates for your trip between St. Louis and Ushuaia, 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 St. Louis and Ushuaia, 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 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, MidAmerica St. Louis, Williamson County Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional, Central Illinois Regional, Barkley Regional, Abraham Lincoln Capital

There are a number of airports in and around Ushuaia. The main one is Ushuaia – Malvinas Argentinas International and other nearby airports include Ushuaia – Malvinas Argentinas International, Hermes Quijada International.