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$157+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SDF
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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3. Compare prices and book

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Cheapflights Tip: The best prices from Toronto to Louisville Intl are usually found in February or August, booked 63 days in advance, depart on a Wednesday or Friday and return on a Tuesday

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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$284
(Air Canada)

One-way from

$157
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$352
Provider with most accurate pricing for Toronto (YTO)-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Louisville Intl flights.
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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. 10% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Air Canada deal was found by Cheapflights users on 4/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/212:45 pmYYZ - SDF
1 stop7h 45mAir Canada
Thu 5/296:00 amSDF - YYZ
1 stop4h 04mAir Canada
Deal found 4/16$284
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/142:45 pmYYZ - SDF
1 stop5h 41mUnited Airlines
Sun 8/106:00 amSDF - YYZ
1 stop6h 01mUnited Airlines
Deal found 4/16$285
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:25 pmYYZ - SDF
1 stop5h 40mDelta
Sun 5/1112:44 pmSDF - YYZ
1 stop9h 12mDelta
Deal found 4/16$288
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/173:45 pmYYZ - SDF
1 stop6h 32mAmerican Airlines
Sun 8/106:53 amSDF - YYZ
1 stop8h 06mAmerican Airlines
Deal found 4/16$313
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:30 amYYZ - SDF
1 stop26h 14mMultiple Airlines
Tue 8/128:58 pmSDF - YYZ
2 stops25h 46mMultiple Airlines
Deal found 4/16$340
This WestJet deal was found by Cheapflights users on 4/16. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/186:15 amYYZ - SDF
1 stop5h 25mWestJet
Sun 5/256:00 amSDF - YYZ
2 stops16h 54mWestJet
Deal found 4/16$499

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 April 17, 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 5/21

2:45 pm-10:30 pm

1 stop7h 45m

Louisville Intl

Thu 5/29

6:00 am-10:04 am

1 stop4h 04m

$284

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 6/14

2:45 pm-8:26 pm

1 stop5h 41m

Louisville Intl

Sun 8/10

6:00 am-12:01 pm

1 stop6h 01m

$285

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 5/8

1:25 pm-7:05 pm

1 stop5h 40m

Louisville Intl

Sun 5/11

12:44 pm-9:56 pm

1 stop9h 12m

$288

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 6/17

3:45 pm-10:17 pm

1 stop6h 32m

Louisville Intl

Sun 8/10

6:53 am-2:59 pm

1 stop8h 06m

$313

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 6/17

6:30 am-8:44 am

1 stop26h 14m

Louisville Intl

Tue 8/12

8:58 pm-10:44 pm

2 stops25h 46m

$340

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sun 5/18

6:15 am-11:40 am

1 stop5h 25m

Louisville Intl

Sun 5/25

6:00 am-10:54 pm

2 stops16h 54m

$499

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sun 5/11

7:45 am-1:12 pm

1 stop29h 27m

$157

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 5/9

2:10 pm-10:30 pm

1 stop8h 20m

$170

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 5/10

12:05 pm-7:47 pm

2 stops7h 42m

$172

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sun 6/22

6:15 am-2:19 pm

1 stop8h 04m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 11 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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Toronto-Louisville flight deals on Cheapflights vs. FlightHub >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

How far ahead should I book a flight from Toronto to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Louisville. Price data was last updated on April 11, 2025.

The price you pay for your flight from Toronto to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 April 17, 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.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 April 17, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Toronto to Louisville. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,809 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,142 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 2 different airlines.

  • What are the cheapest airlines flying from Toronto to Louisville round-trip?

    Currently priced at $284, Air Canada will fly you from Toronto to Louisville and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $285 and $288, respectively. Air Canada is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Toronto to Louisville one-way?

    One-way options have recently been found by users for as low as $170 on Air Canada. Other airlines that offer cheap prices include United Airlines from $172 and Delta from $236 one-way.

  • 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 Toronto?

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

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Top 2 airlines flying from Toronto to Louisville

Discover the top 2 airlines 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$327FlexibilityNo cancel feeOn-time71%
WestJetCheapest$296Average$402FlexibilityNo cancel feeOn-time60%

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