Cheap tickets from Ottawa to St. Louis

If you’re looking for cheap tickets from Ottawa to St. Louis, WestJet has exactly what you want. We fly into more than 100 destinations in North America, Central America, the Caribbean and Europe — including Lambert - St. Louis International Airport — which means we're able to take you wherever you want to go. On top of that, we offer a winning combination of affordability and comfort, so you can expect to pay less and get more. Explore cheap tickets with WestJet today.

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Your getaway to The Gateway to the West starts here

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

Guests visiting St. Louis will be delighted to discover a city filled with character and plenty to see and do, from Grand Center to The Hill. Historic sites and natural beauty also abound here; case in point is the massive Forest Park, which features everything from a zoo and science centre to a golf course and tennis facility. The magnificent Gateway Arch is something to behold; in fact, no trip here is complete without a visit — the towering man-made arch stands as a symbol of the country’s great frontier past.

Book your cheap ticket and look forward to touching down in one of Missouri's most formative and icon-filled destinations. We know the Missouri Botanical Garden, Busch Stadium and the Fox Theatre are amongst the things you can’t wait to see, which is why at WestJet, we’re dedicated to getting you from Ottawa to St. Louis.

For a safe, comfortable and caring air travel experience, book with WestJet.