HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$167+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SDF
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Toronto to Louisville with Cheapflights

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$312
(Mytrip)

One-way from

$167
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$376
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. 11% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sat 6/146:30 amYYZ - SDF
1 stop17h 08mMultiple Airlines
Sat 6/213:05 pmSDF - YYZ
2 stops23h 00mMultiple Airlines
Deal found 4/30$312
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 5/153:10 pmYYZ - SDF
1 stop7h 51mAmerican Airlines
Sun 5/185:45 amSDF - YYZ
1 stop8h 45mAmerican Airlines
Deal found 4/28$326
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 5/2812:05 pmYYZ - SDF
2 stops7h 41mUnited Airlines
Fri 5/306:00 amSDF - YYZ
1 stop5h 59mUnited Airlines
Deal found 4/29$327
This SmartFares deal was found by Cheapflights users on 4/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:05 pmYYZ - SDF
1 stop3h 56mWestJet
Sun 5/186:19 amSDF - YYZ
1 stop5h 21mWestJet
Deal found 4/28$370
This Delta deal was found by Cheapflights users on 4/29. 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 5/126:05 pmYYZ - SDF
1 stop3h 21mDelta
Thu 5/156:00 amSDF - YYZ
1 stop4h 20mDelta
Deal found 4/29$387
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Thu 5/11:00 pmYYZ - SDF
1 stop7h 25mAir Canada
Sat 5/36:45 amSDF - YYZ
2 stops8h 49mAir Canada
Deal found 4/28$630

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 May 1, 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

Sat 6/14

6:30 am-11:38 pm

1 stop17h 08m

Louisville Intl

Sat 6/21

3:05 pm-2:05 pm

2 stops23h 00m

$312

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 5/15

3:10 pm-11:01 pm

1 stop7h 51m

Louisville Intl

Sun 5/18

5:45 am-2:30 pm

1 stop8h 45m

$326

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 5/28

6:10 pm-12:05 am

1 stop5h 55m

Louisville Intl

Fri 5/30

4:25 pm-10:54 pm

1 stop6h 29m

$327

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 5/17

6:05 pm-10:01 pm

1 stop3h 56m

Louisville Intl

Sun 5/18

6:19 am-11:40 am

1 stop5h 21m

$370

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 5/8

1:00 pm-5:26 pm

1 stop4h 26m

Louisville Intl

Sun 5/11

7:00 am-11:49 am

1 stop4h 49m

$449

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 5/3

6:15 am-1:25 pm

2 stops7h 10m

Louisville Intl

Sat 5/3

6:07 pm-11:07 pm

1 stop5h 00m

$630

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 6/14

6:30 am-11:38 pm

1 stop17h 08m

$167

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 5/30

2:45 pm-8:26 pm

1 stop5h 41m

$190

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 6/4

6:15 am-1:54 pm

1 stop7h 39m

$192

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 6/4

12:05 pm-10:14 pm

2 stops10h 09m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May.
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 25, 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 May 1, 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 May 1, 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
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
2,826 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
9,252 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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 $326, American Airlines will fly you from Toronto to Louisville and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and WestJet - these airlines can fly you to your destination from $327 and $370, respectively. American Airlines is priced at 16% 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 $190 on Air Canada. Other airlines that offer cheap prices include Delta from $192 and United Airlines from $232 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$327FlexibilityNo cancel feeOn-time71%
WestJetCheapest$296Average$379FlexibilityNo cancel feeOn-time60%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.