Last minute flights from St. Louis to Ottawa

If you've come to WestJet to find last minute flights from St. Louis to Ottawa, you've already taken the first step on your journey. We operate scheduled flights to more than 100 destinations in North America, Central America, the Caribbean and Europe — including Ottawa Macdonald-Cartier International Airport — and we make it our mission to get you wherever you need to be. One of our main focuses is to provide our guests with great experiences, which include safe, affordable travel, and that will never change. These are just some of the many reasons Canadians choose to fly with WestJet and why you should too.

Low fare finder

Don't see what you're looking for? Find all of our great low fares in one place.

Your getaway to Bytown starts here

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. From some of the greatest restaurants this country has to offer to beautiful, one of a kind historic sites, WestJet brings you to the heart of it so you can enjoy the city as it was meant to. The architecture and galleries are something to behold, so book your trip today.

Your trip to Ontario's most multicultural and enjoyable destination starts when you book your last minute flight. No matter the nature of your visit, you’re sure to enjoy the Canadian Museum of Civilization, Winterlude and the Rideau Canal — most of all you can count on WestJet to get you from St. Louis to Ottawa.

For an exceptional guest experience, book with WestJet today.