Cheap Flights from Louisville to Toronto from $187

Frequently Asked Questions

• What are the cheapest flights from Louisville to Toronto (SDF-YTO)?

  Based on Trip.com data, American Airlines offers one-way fares as low as $187 on Cheapest nonstop routes (e.g. SDF to YYZ on Sat, Sep 12), while American Airlines offers Cheapest nonstop round-trips from $431 departing on Sat, Sep 12 and returning on Sat, Sep 19.

• Which airlines offer flights from Louisville to Toronto?

  At the moment, several airlines serve connecting flights from Louisville to Toronto, including: American Airlines United Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Louisville to Toronto?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Louisville to Toronto is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Louisville to Toronto?

  To find best deals on flights from Louisville to Toronto, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Sep 12, with one-way flights priced at just $187.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Toronto travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Louisville (SDF) to Toronto (YTO) the cheapest?

  The cheapest months to fly from Louisville to Toronto is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Louisville to Toronto on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Louisville to Toronto on August 27, 2026 with United Airlines, with prices starting at $463.

• Which airports can I fly to for Toronto from Louisville?

  You can land at any one of the following hubs in Toronto, with Louisville International Airport to Toronto Pearson International Airport (SDF-YYZ) is by far the most common option on this route: Toronto Pearson International Airport (YYZ) Billy Bishop Toronto City Airport (YTZ) John C. Munro Hamilton International Airport (YHM) Region of Waterloo International Airport (YKF).

• Is there any time difference between Louisville and Toronto?

  The time difference between Toronto and Louisville is 0m.

• How do I change or cancel my ticket from Louisville to Toronto?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Louisville to Toronto?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Louisville to Toronto is $298. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Louisville to Toronto?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Louisville to Toronto is $528. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Louisville to Toronto on Trip.com?

  Enter Louisville and Toronto, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.