Cheap Flights from Kitchener (YKF) to St. Louis (STL)

Popular airlines from Kitchener, ON (YKF-Region of Waterloo Intl.) to St. Louis Lambert Intl. Airport (STL)

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Frequently asked questions

Is it cheaper to buy a plane ticket from YKF to STL last minute?
When it comes to booking your flights, being prepared pays dividends. While you may be able to score a last-minute deal on a Region of Waterloo Intl. Airport (YKF) to Lambert Field flight, tickets usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it's three to four months.
What airports do you fly into for St. Louis from Kitchener?
Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS) are your options when taking off from Kitchener to St. Louis. Roughly 19 kilometers northwest of downtown St. Louis, Lambert-St. Louis Intl. Airport (STL) is the city's principal entry point. Take into account things such as flight departure and arrival times and the distance to your hotel before deciding where you fly into. Busch Stadium and Gateway Arch are a couple of top attractions to put on your itinerary when you arrive at your destination.
Can I change the date of my flight from Region of Waterloo Intl. Airport (YKF) to STL?
Expedia makes it easy to make changes to your Region of Waterloo Intl. Airport (YKF) to Lambert-St. Louis Intl. Airport (STL) trip yourself. Access your itinerary via the Expedia Trips portal and choose "change flight." Browse around for new flights and lock in the one that better fits your plans. You'll see an estimate of your flight change cost, if applicable. You can also find your way to our Customer Service portal to chat to our Virtual Agent and quickly get answers to all your questions.

Travel information

Origin airport
Region of Waterloo Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
980 km

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