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$148+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SDF
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$269
(Kiwi.com)

One-way from

$148
(Trip.com)

Popular in

January

Cheapest in

February

Average price

$486
From Toronto (YTO) to Louisville Intl
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One-way flight from Toronto (YTO) to Louisville Intl
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/305:15 pmYYZ - SDF
1 stop29h 32mMultiple Airlines
Sun 11/98:05 pmSDF - YYZ
1 stop18h 49mMultiple Airlines
Deal found 9/13$269
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/2811:15 amYYZ - SDF
1 stop29h 21mMultiple Airlines
Sun 11/26:58 pmSDF - YYZ
1 stop19h 42mMultiple Airlines
Deal found 9/13$273
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/251:30 pmYYZ - SDF
2 stops24h 32mMultiple Airlines
Fri 10/317:15 amSDF - YYZ
1 stop12h 45mMultiple Airlines
Deal found 9/13$275
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/307:40 amYYZ - SDF
1 stop10h 23mMultiple Airlines
Sat 11/810:55 amSDF - YYZ
1 stop11h 17mMultiple Airlines
Deal found 9/13$277
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/295:15 pmYYZ - SDF
1 stop29h 32mMultiple Airlines
Mon 11/37:15 amSDF - YYZ
1 stop16h 56mMultiple Airlines
Deal found 9/13$279
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/2811:15 amYYZ - SDF
1 stop29h 21mMultiple Airlines
Mon 11/37:15 amSDF - YYZ
1 stop16h 56mMultiple Airlines
Deal found 9/13$280
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 11/17:15 amYYZ - SDF
2 stops15h 32mMultiple Airlines
Sun 11/98:05 pmSDF - YYZ
1 stop18h 49mMultiple Airlines
Deal found 9/13$282
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/297:15 amYYZ - SDF
2 stops10h 40mMultiple Airlines
Sun 11/26:58 pmSDF - YYZ
1 stop19h 42mMultiple Airlines
Deal found 9/13$283
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 11/17:15 amYYZ - SDF
2 stops15h 32mMultiple Airlines
Fri 11/76:00 amSDF - YYZ
1 stop8h 05mMultiple Airlines
Deal found 9/13$292

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 September 15, 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

Thu 10/30

5:15 pm-10:47 pm

1 stop29h 32m

Louisville Intl

Sun 11/9

8:05 pm-2:54 pm

1 stop18h 49m

$269

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 10/28

11:15 am-4:36 pm

1 stop29h 21m

Louisville Intl

Sun 11/2

6:58 pm-2:40 pm

1 stop19h 42m

$273

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 10/25

1:30 pm-2:02 pm

2 stops24h 32m

Louisville Intl

Fri 10/31

7:15 am-8:00 pm

1 stop12h 45m

$275

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 10/30

7:40 am-6:03 pm

1 stop10h 23m

Louisville Intl

Sat 11/8

10:55 am-10:12 pm

1 stop11h 17m

$277

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 10/29

5:15 pm-10:47 pm

1 stop29h 32m

Louisville Intl

Mon 11/3

7:15 am-12:11 am

1 stop16h 56m

$279

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 11/1

7:00 am-6:03 pm

1 stop11h 03m

Louisville Intl

Fri 11/7

10:55 am-2:40 pm

1 stop27h 45m

$279

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 11/4

11:15 am-9:59 am

1 stop22h 44m

Louisville Intl

Tue 11/11

6:00 am-12:11 am

1 stop18h 11m

$280

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 10/29

7:15 am-5:55 pm

2 stops10h 40m

Louisville Intl

Sun 11/2

6:58 pm-2:40 pm

1 stop19h 42m

$283

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 10/15

6:30 am-4:36 pm

1 stop10h 06m

$148

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 10/29

5:15 pm-10:47 pm

1 stop29h 32m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 13 results
1
2

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, January is the cheapest month in which you can book a flight from Toronto to Louisville (average of $299). Flying from Toronto to Louisville in April is currently the most expensive (average of $369). 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 September 15, 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 31% versus a flight at noon.

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

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with WestJet from Toronto to Louisville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,091 reviews

Overall

7.2

Entertainment

6.1

Boarding

7.4

Crew

7.9

Comfort

7.1

Food

6.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
3,091 reviews
WestJet
7.2
Good
3,091 reviews

Overall

7.2

Entertainment

6.1

Boarding

7.4

Crew

7.9

Comfort

7.1

Food

6.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

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.

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

    Currently priced at $296, 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 30% 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, January is the cheapest month in which you can book a flight from Toronto to Louisville (average of $299). Flying from Toronto to Louisville in April is currently the most expensive (average of $369). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$296Average$428FlexibilityNo cancel feeOn-time60%

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