Flights from St. Louis to Ottawa

If you're considering your options for flights from St. Louis to Ottawa, WestJet is the smart choice. We fly to destinations in North America, Central America, the Caribbean and Europe — including flights into Ottawa Macdonald-Cartier International Airport — and we're here to get you where you want to be. Our long-term commitment to great guest experiences and safe, affordable travel means our passengers pay less and get more. Explore our selection of flights now.

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WestJet has your ticket to Bytown

Airport Details: From STL, Lambert - St. Louis International Airport To YOW, Ottawa Macdonald-Cartier International Airport

When it comes to cities to visit, Ottawa has so much to offer. Its heritage-filled boulevards are home to countless treats to discover, including some of the finest dining to be found anywhere in Ontario. We're ready to fly you there and put you within touching distance of classical architecture, fascinating heritage and an array of galleries, museums and other venues.

Find the flight you need to start planning an unforgettable visit to one of the most multicultural and enjoyable destinations in Ontario. No matter the reason for your travel, you can rely on WestJet to get you from St. Louis to Ottawa so that you can enjoy the Canadian Museum of Civilization, Winterlude and the Rideau Canal.

For an enriching air travel experience, book with WestJet today.