Cheap flights from Kitchener-Waterloo to St. Louis

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St. Louis (STL)
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How to find the cheapest flight from
Kitchener-Waterloo (YKF) to St. Louis (STL)

All the information you need to plan the best YKF to STL flight in 2021: compare Kitchener-Waterloo to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
How far in advance should I book a flight from Toronto Kitchener-Waterloo Airport to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 39 days in advance, which can save you up to 26% on flights from Toronto Kitchener-Waterloo Airport to St. Louis compared to booking the week you need them. Waiting 39 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 561. For sooner than that we have options available in the next 3 days from C$ 670.

When is the cheapest time to fly from Toronto Kitchener-Waterloo Airport to St. Louis (YKF - STL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto Kitchener-Waterloo Airport to St. Louis as you normally would.

What is the cheapest month to fly from Toronto Kitchener-Waterloo Airport to St. Louis?

Flights from Toronto Kitchener-Waterloo Airport to St. Louis lean towards being more expensive in June. Prices are generally better when you fly from Toronto Kitchener-Waterloo Airport to St. Louis in February, with the cheapest ticket starting at C$ 212.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Kitchener-Waterloo</span> to <span class="emphasized">St. Louis</span> flights.

Flight FAQs

From Kitchener-Waterloo to St. Louis

What airport do you fly into for flights to St. Louis from Toronto Kitchener-Waterloo?

Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Toronto Kitchener-Waterloo. On average, Lambert-St Louis has 0 inbound flights from Toronto Kitchener-Waterloo per day from 0 airlines. Lambert-St Louis is conveniently located just 20.4 km from St. Louis’s city centre.

COVID Restrictions

View COVID Travel Restrictions for St. Louis, MO

Do I need a COVID test to fly to St. Louis from Kitchener-Waterloo?

Information is based on travel restrictions from Toronto Kitchener-Waterloo to Lambert-St Louis

Most visitors from Toronto Kitchener-Waterloo need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Toronto Kitchener-Waterloo must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Toronto Kitchener-Waterloo are not required to quarantine after entering Lambert-St Louis.

Do I need a test to fly back to Kitchener-Waterloo from St. Louis?

Returning to Toronto Kitchener-Waterloo from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Toronto Kitchener-Waterloo.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Toronto Kitchener-Waterloo.

Hide COVID Travel Restrictions for St. Louis, MO

Alternative routes for Kitchener-Waterloo to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for St. Louis

Things to know before you go - useful duration and weather info for your trip from Kitchener-Waterloo to St. Louis.
Today's exchange rate
C$ 1 = $0.82
Average temperature for October in St. Louis
22.0 °C
Avg rainfall for October in St. Louis
71.0 mm

Airports servicing Toronto

Airports servicing St. Louis

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