Cheap flights from St. Louis (STL) to Sudbury (YSB)
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How to find the cheapest flight from
St. Louis (STL) to Sudbury (YSB)
All the information you need to plan the best STL to YSB flight in 2022: compare St. Louis to Sudbury flight prices with the expected peak season, weather and rainfall in Sudbury.
When is the cheapest time to fly from St. Louis to Sudbury, Ontario (STL - YSB)?
It’s typically best to fly out from St. Louis to Sudbury, Ontario at noon. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly round-trip from St. Louis to Sudbury, Ontario?
Wednesday flights are generally found to be more expensive for flights from St. Louis to Sudbury, Ontario. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sudbury, Ontario.
Related info for your journey
Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Sudbury</span> flights.
COVID Restrictions
View COVID Travel Restrictions for Sudbury, Canada
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Alternative routes for St. Louis to Sudbury
See prices for flight routes from nearby airports that may be better suited for you.
Lambert-St Louis to Ottawa
from $526 pp
Kansas City to Ottawa
from $888 pp
Destination information for Sudbury
Things to know before you go - useful duration and weather info for your trip from St. Louis to Sudbury.
Today's exchange rate
$1 = C$ 1.29
Average temperature for May in Sudbury
64.4 °F
Avg rainfall for May in Sudbury
3.5 ″