Round trip flights from Ottawa to St. Louis

For round trip flights from Ottawa to St. Louis, WestJet has what you’re looking for. We fly all over North America, Central America, the Caribbean and Europe, including Lambert - St. Louis International Airport, so you can always rely on us to go to the destination you need to be. We’re committed to providing our guests with the best possible experiences, with safe, affordable and friendly travel. Explore round trip flights with WestJet today.

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Get your ticket to The Gateway to the West from WestJet

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

There's no shortage of character in St. Louis, a city home to a diverse collection of neighbourhoods, including the arts and entertainment hub known as Grand Center and The Hill, an area frequented for its plethora of Italian restaurants. The city has a grand history, which unfolds through the many memorials and statues found in the city’s 1,300-acre Forest Park. Of course, no tour of The Gateway to the West is complete without taking in the awe-inspiring Gateway Arch, one of the tallest arches in the world.

Arrange your round trip flight now and start planning an exciting trip to Missouri's formative, icon-filled destination. No matter the nature of your visit, you’re sure to enjoy the Missouri Botanical Garden, Busch Stadium and the Fox Theatre — most of all you can count on WestJet to get you from Ottawa to St. Louis.

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