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$168+ Cheap flights from Toronto (YTO) to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SDF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Toronto to Louisville

Cheapest flights from Toronto to Louisville
Explore the most affordable flight options available from Toronto to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:15 amYYZ - SDF
2 stops31h 35mMultiple Airlines
Mon 1/121:55 pmSDF - YYZ
1 stop10h 16mMultiple Airlines
Deal found 12/16$465
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:30 pmYYZ - SDF
1 stop5h 00mUnited Airlines
Mon 1/125:35 amSDF - YYZ
1 stop4h 23mUnited Airlines
Deal found 12/17$642
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:05 pmYYZ - SDF
1 stop5h 23mUnited Airlines
Mon 1/52:22 pmSDF - YYZ
1 stop20h 07mUnited Airlines
Deal found 12/17$663
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:15 pmYYZ - SDF
1 stop5h 43mDelta
Sat 1/36:40 amSDF - YYZ
1 stop9h 19mDelta
Deal found 12/17$672
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:14 pmYYZ - SDF
1 stop8h 40mAmerican Airlines
Sat 1/311:19 amSDF - YYZ
1 stop11h 38mAmerican Airlines
Deal found 12/17$674
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:20 pmYYZ - SDF
1 stop18h 30mMultiple Airlines
Mon 1/58:52 pmSDF - YYZ
2 stops25h 48mMultiple Airlines
Deal found 12/17$679

Find flight deals from Toronto to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$282
(Kiwi.com)

One-way from

$168
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$538
Provider with most accurate pricing for Toronto (YTO)-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Louisville Intl flights.
Search Deals
From Toronto (YTO) to Louisville Intl
Search Deals
One-way flight from Toronto (YTO) to Louisville Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Toronto to Louisville that are best for you.

Fly from

Toronto

Fly to

Louisville

Route

Depart

Return

Price

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 4/1

5:15 pm-2:33 pm

2 stops21h 18m

Louisville Intl

Wed 4/22

12:33 pm-12:14 am

1 stop11h 41m

$397

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 1/14

11:30 am-11:19 pm

1 stop11h 49m

Louisville Intl

Wed 1/21

8:07 am-9:23 pm

1 stop13h 16m

$405

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 1/14

10:59 am-10:05 pm

1 stop11h 06m

Louisville Intl

Mon 1/26

6:00 am-4:35 pm

1 stop10h 35m

$405

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 1/30

8:00 pm-2:41 pm

2 stops42h 41m

Louisville Intl

Fri 2/6

6:54 pm-11:28 am

1 stop16h 34m

$408

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 1/26

6:45 pm-1:24 pm

1 stop18h 39m

Louisville Intl

Thu 1/29

8:29 am-4:39 pm

1 stop8h 10m

$472

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 12/29

7:10 am-11:59 pm

2 stops16h 49m

Louisville Intl

Mon 1/12

6:54 pm-7:02 pm

1 stop24h 08m

$492

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 2/13

9:00 pm-1:23 pm

1 stop16h 23m

Louisville Intl

Sun 2/15

2:05 pm-11:19 pm

1 stop9h 14m

$507

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 1/29

3:40 pm-6:04 pm

1 stop26h 24m

$168

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 1/31

1:14 pm-11:19 pm

1 stop10h 05m

$226

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 1/30

7:55 pm-2:41 pm

2 stops42h 46m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 12 results
1
2

Compare providers for flights from Toronto to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Toronto to Louisville in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Toronto-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Toronto-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Toronto-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Toronto-Louisville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Toronto-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Toronto to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Toronto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Toronto to Louisville

What is the cheapest month to book a flight from Toronto to Louisville?

Currently, February is the cheapest month in which you can book a flight from Toronto to Louisville (average of $139). Flying from Toronto to Louisville in October is currently the most expensive (average of $426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YTO to SDF?

Find hourly flight availability from Toronto to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Toronto to Louisville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 36% versus a flight at noon.

How much does it cost to fly round-trip from Toronto to Louisville?

Related info for your journey

Find useful and relevant information for your journey from Toronto to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Toronto?

    Located just 5.3 mi from the city center, Louisville Intl is the airport most travelers will use when flying to Louisville from Toronto. Booking flights from Toronto to Louisville Intl (SDF) should be relatively easy as there are 0 daily inbound flights from Toronto from 1 airline.

  • How long is the flight from Toronto to Louisville?

    American Airlines can get you from Toronto to Louisville in just under 11h 49m. Your travel time can differ by up to . The distance from Toronto to Louisville is about 496 mi.

  • What is the cheapest airline to fly from Toronto to Louisville round-trip?

    Currently priced at $321, WestJet will fly you from Toronto to Louisville and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. WestJet is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Toronto to Louisville that include hotel bookings?

    Yes. In addition to deals on Toronto to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Louisville.

  • Can I find deals for business class flights from Toronto to Louisville?

    Yes. Cheapflights offers flight deals from Toronto to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Toronto to Louisville?

    Currently, February is the cheapest month in which you can book a flight from Toronto to Louisville (average of $139). Flying from Toronto to Louisville in October is currently the most expensive (average of $426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Toronto to Louisville

Discover the top airline that operate flights from Toronto to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$321Average$556FlexibilityNo cancel feeOn-time60%

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