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Cheap flights Ottawa (YOW) to St Louis (STL)

Looking for a cheap flight from Ottawa to St Louis (YOW-STL)? Flights fares for Ottawa to St Louis start at US $ 208. Find the best and cheapest flights on this route and other relevant information. Before you book a flight you can use Utiket to find the cheapest flights from Ottawa to St Louis for . All flight data are real-time and accurate. Utiket finds all the cheapest flights from Ottawa to St Louis.

Flight prices Ottawa - St Louis

Depart: Jun 2026
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Route
Ottawa to St Louis

Depart
27 Jun

These flight prices were found by our users in the last few days. To see the actual current prices please click on the date desired.

Airport and city information

About Ottawa Macdonald-Cartier International Airport

Ottawa

Find cheap flights to Ottawa.

About St Louis Lambert International Airport

St Louis

St Louis Lambert International Airport is located in St Louis, Missouri, USA. It was originally known as Lambert Field and was named after Albert Bond Lambert, a prominent St Louis aviator. The airport was first opened in 1920 and has since undergone several expansions and renovations to become the largest airport in the state of Missouri.

Find cheap flights to St Louis or read more about St Louis Lambert International Airport.

See also