Round trip flights from Toronto to St. Louis

For round trip flights from Toronto to St. Louis, WestJet has what you’re looking for. We fly to destinations in North America, Central America, the Caribbean and Europe — including flights into Lambert - St. Louis International Airport — and we're here to get you where you want to be. One of our main priorities has always been to offer our guests superior experiences; with us that means safe, affordable travel. Explore our selection of round trip flights now.

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Start your visit to The Gateway to the West with WestJet

Airport Details: From YYZ, Toronto Pearson International Airport To STL, Lambert - St. Louis International Airport

St. Louis is a beautiful city with plenty to offer — from Grand Center to The Hill, it never takes guests long to discover how full of character this city truly is. The city’s history unfolds before the eyes of its visitors through attractions and memorials found in the 1,300-acre Forest Park. However, no trip to The Gateway to the West would be complete without visiting the impressive Gateway Arch, the tallest man-made monument in the United States.

Book your round trip flight and look forward to touching down in one of Missouri's most formative and icon-filled destinations. Whether you're travelling for business or to visit attractions like the Missouri Botanical Garden, Busch Stadium or the Fox Theatre, you can rest assured that you'll get from Toronto to St. Louis swiftly, safely and comfortably with WestJet.

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