Cheap flights from Ontario to Brussels from $374

Travelers frequently search for route combinations, such as Ontario and Guadalajara, Dallas, Las Vegas, San Francisco, Denver, Portland, Phoenix, Seattle, Salt Lake City, Sacramento, Atlanta, Minneapolis, Houston, Detroit, Chicago, Indianapolis, Austin, Mexico City, Cleveland, New York.

Travelers frequently search for route combinations, such as Brussels and New York, Los Angeles, Washington, D.C., Orlando, Boston, Denver, San Francisco, Nashville, Atlanta, Miami, Dallas, Houston, Tampa, Iași, Budapest, Seattle, Fort Lauderdale, Bucharest, Warsaw, Sofia.

The main airport in Ontario is Ontario International. It is also served by Los Angeles International, Tijuana International, San Diego International, John Wayne, Ontario International, Palm Springs International, Hollywood Burbank, Santa Barbara Municipal, Long Beach, Imperial County.

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

Currently, you can fly between Ontario and Brussels with Frontier Airlines, Ryanair, Hawaiian Airlines, WestJet, JetBlue Airways.

If you don’t have specific dates for your trip between Ontario 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 Ontario 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 Ontario. The main one is Ontario International and other nearby airports include Los Angeles International, Tijuana International, San Diego International, John Wayne, Ontario International, Palm Springs International, Hollywood Burbank, Santa Barbara Municipal, Long Beach, Imperial County

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