Cheap flights from St. Louis to Brussels from $473

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 Brussels and New York, San Francisco, Washington, D.C., Los Angeles, Boise, Dallas, Atlanta, Boston, Budapest, Salt Lake City, Denver, San Juan, Columbus, Chicago, Miami, Cleveland, Houston, Philadelphia, Bucharest, Tel Aviv.

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, Williamson County Regional, Abraham Lincoln Capital, Central Illinois Regional, MidAmerica St. Louis, Cape Girardeau Regional, Quincy Regional.

The main airport in Brussels is Brussels. It is also served by Charles de Gaulle Airport, Amsterdam Airport Schiphol, Beauvais–Tillé, Düsseldorf International Airport, Cologne Bonn Airport, Frankfurt–Hahn, Eindhoven, Luxembourg, Dortmund, Weeze.

Currently, you can fly between St. Louis and Brussels with Ryanair, Frontier Airlines, KLM Royal Dutch Airlines, Lufthansa, United Airlines.

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

There are a number of airports in and around Brussels. The main one is Brussels and other nearby airports include Charles de Gaulle Airport, Amsterdam Airport Schiphol, Beauvais–Tillé, Düsseldorf International Airport, Cologne Bonn Airport, Frankfurt–Hahn, Eindhoven, Luxembourg, Dortmund, Weeze.