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Cheap Flights to St. Denis
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Cheapest prices for St. Denis flights by month
Currently, March is the cheapest month in which you can book a flight to St. Denis. Flying to St. Denis in August will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
When is the best time to fly to St. Denis?
Choose a month below to see average flight price and weather conditions.
YTO - RUN
C$ 1,070 - C$ 3,259
25 - 30 °C
46 - 311 mm
The best time to fly to St. Denis is during January, but great deals can be found at other times. January sees the temperatures in St. Denis peak to their warmest. February tends, on average, to see the most amount of rainfall.