Cheap Flights from St. Catharines (YCM) to Louisville (SDF)

Popular airlines from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF)

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Frequently asked questions

How much does a flight from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF) cost?
Secure a cheap one-way flight or cheap return flight from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF)?
The cheapest month to fly from YCM to SDF is , when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF)?
To find the cheapest airline that'll fly you from YCM to SDF, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF)?
There aren't any daily nonstop flights departing from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from YCM to SDF?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF)?
To reach Louisville Intl. Airport (SDF) on schedule, book a flight that leaves from St. Catharines, ON (YCM-Niagara District) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF) last-minute?
Last-minute fares from YCM to SDF are usually more expensive. To lock in the cheapest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel plans, it's possible to score a cheap fare right before your trip.
Is it cheaper to book a YCM to SDF flight and hotel package?
Compared with arranging hotels and flights separately, booking a YCM to SDF flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from St. Catharines, ON (YCM-Niagara District) to Louisville Intl. Airport (SDF)?
If you reserved your YCM to SDF flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Niagara District
Destination airport
Louisville Intl.
Distance
487 mi

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St. Catharines to Louisville Flights

The cheapest times to fly from St. Catharines to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Catharines to Louisville are during the month of . You can find some of the cheapest flights from St. Catharines to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Catharines to Louisville

Sunday is one of the best days to book for cheap flights from St. Catharines to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Catharines to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Catharines to Louisville in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Catharines to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Catharines to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Catharines to Louisville Flights

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