Cheap flights from Buenos Aires to St. Louis from $377

Travelers frequently search for route combinations, such as Buenos Aires and Miami, Puerto Iguazú, El Calafate, Bariloche, Los Angeles, Ushuaia, Orlando, Washington, D.C., Mendoza, Rio de Janeiro, Santiago de Chile, Austin, Denver, Fort Lauderdale, Boston, Minneapolis, Tampa, Portland, Córdoba, Asunción.

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.

Buenos Aires is mainly served by Aeroparque Jorge Newbery. But there are other airports nearby, including Ministro Pistarini International, El Palomar.

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

Currently, you can fly between Buenos Aires and St. Louis with Frontier Airlines, Avianca, Copa Airlines, AeroMéxico, Spirit Airlines.

If you don’t have specific dates for your trip between Buenos Aires 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 Buenos Aires 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 St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, Abraham Lincoln Capital, General Wayne A. Downing Peoria International, Evansville Regional, MidAmerica St. Louis, Central Illinois Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional, Columbia Regional, Barkley Regional.

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Buenos Aires, such as morning, afternoon, evening, or night, or select the exact hours for departure.