$137 Cheap Flights from Louisville (SDF) to Toronto (YYZ)

View $137 flight on Thu, Dec 25, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Toronto Pearson Intl. Airport (YYZ)

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Cheap Flights from Louisville to Toronto (SDF-YYZ)

Prices were available within the past 7 days and start at $137 for one-way flights and $331 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 17 - Mon, Sep 29
SDF
Louisville
YYZ
Toronto
$331 Roundtrip, found 5 days ago
$331
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 17 from Louisville to Toronto, returning Mon, Sep 29, priced at $331 found 5 days ago
American Airlines
Thu, Nov 6 - Mon, Nov 10
SDF
Louisville
YYZ
Toronto
$342 Roundtrip, found 6 days ago
$342
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Nov 6 from Louisville to Toronto, returning Mon, Nov 10, priced at $342 found 6 days ago
American Airlines
Thu, Dec 25 - Thu, Jan 8
SDF
Louisville
YYZ
Toronto
$344 Roundtrip, found 5 days ago
$344
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Dec 25 from Louisville to Toronto, returning Thu, Jan 8, priced at $344 found 5 days ago
American Airlines
Sat, Oct 18 - Wed, Oct 29
SDF
Louisville
YYZ
Toronto
$351 Roundtrip, found 20 hours ago
$351
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Sat, Oct 18 from Louisville to Toronto, returning Wed, Oct 29, priced at $351 found 20 hours ago
American Airlines
Thu, Dec 25 - Thu, Jan 8
SDF
Louisville
YYZ
Toronto
$354 Roundtrip, found 5 days ago
$354
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Dec 25 from Louisville to Toronto, returning Thu, Jan 8, priced at $354 found 5 days ago
American Airlines
Tue, Dec 23 - Thu, Jan 8
SDF
Louisville
YYZ
Toronto
$360 Roundtrip, found 5 days ago
$360
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Dec 23 from Louisville to Toronto, returning Thu, Jan 8, priced at $360 found 5 days ago
American Airlines
Wed, Oct 29 - Fri, Nov 14
SDF
Louisville
YYZ
Toronto
$360 Roundtrip, found 6 days ago
$360
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 29 from Louisville to Toronto, returning Fri, Nov 14, priced at $360 found 6 days ago
United
Sun, Oct 26 - Tue, Oct 28
SDF
Louisville
YYZ
Toronto
$390 Roundtrip, found 5 days ago
$390
Roundtrip
found 5 days ago
Select United flight, departing Sun, Oct 26 from Louisville to Toronto, returning Tue, Oct 28, priced at $390 found 5 days ago
Delta
Tue, Aug 19 - Sun, Aug 31
SDF
Louisville
YYZ
Toronto
$457 Roundtrip, found 2 days ago
$457
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 19 from Louisville to Toronto, returning Sun, Aug 31, priced at $457 found 2 days ago
Air Canada
Thu, Sep 11 - Sun, Sep 21
SDF
Louisville
YYZ
Toronto
$739 Roundtrip, found 1 hour ago
$739
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Thu, Sep 11 from Louisville to Toronto, returning Sun, Sep 21, priced at $739 found 1 hour ago

Find the cheapest month to fly from Louisville (SDF) to Toronto (YYZ)

November is typically the cheapest month to fly

From $256 - $739 per traveler.

Graph displaying average flight prices per month

Alternative airports near Toronto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pearson Intl. YYZ. Cheapest option available. Average driving time to city center is 22 minutes. Flights from $723
YYZ
Pearson Intl.
Cheapest
Average driving time to city center22 min
Flights from $723
Flights from Louisville (SDF) to Toronto (YYZ)
Origin airport
Louisville Intl.
Destination airport
Pearson Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$330
Distance
496 mi

Louisville to Toronto Flights

The cheapest times to fly from Louisville to Toronto

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 Louisville to Toronto are during the month of September. You can find some of the cheapest flights from Louisville to Toronto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Toronto

Sunday is one of the best days to book for cheap flights from Louisville to Toronto: 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 Louisville to Toronto

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 Louisville to Toronto in 2025. You can also book with separate airlines for your outbound and return journeys, from $137 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 Louisville to Toronto 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 Louisville to Toronto 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.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Pearson Intl. Airport (YYZ) cost?
Discover the latest flight deals from SDF to YYZ by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SDF to YYZ?
The cheapest flights from SDF to YYZ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SDF to YYZ?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SDF to YYZ. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Louisville Intl. Airport (SDF) to Pearson Intl. Airport (YYZ)?
There are no daily direct flights available from Louisville Intl. Airport (SDF) to Pearson Intl. Airport (YYZ). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SDF to YYZ?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Pearson Intl. Airport (YYZ)?
To avoid possible delays on the Louisville Intl. Airport (SDF) to Pearson Intl. Airport (YYZ) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**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 Louisville Intl. Airport (SDF) to Pearson Intl. Airport (YYZ) last-minute?
Booking your flight from SDF to YYZ shortly before your getaway is typically more expensive. However, if you're flexible with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SDF to YYZ flight and hotel package?
You'll typically save money by securing a SDF to YYZ flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal accommodations and flights, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Pearson Intl. Airport (YYZ)?
It's generally possible to cancel or reschedule your SDF to YYZ flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.