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$106+ Cheap flights from Louisville (SDF) to Toronto (YTO)

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YTO
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Louisville to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Toronto (YTO). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$359
(Kiwi.com)

One-way from

$106
(Mytrip)

Popular in

October

Cheapest in

November

Average price

$747
Provider with most accurate pricing for Louisville Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Toronto (YTO) flights.
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From Louisville Intl to Toronto (YTO)
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One-way flight from Louisville Intl to Toronto (YTO)
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Highest demand for flights based on searches. 7% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Louisville to Toronto

Cheapest flights from Louisville to Toronto
Explore the most affordable flight options available from Louisville to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:11 pmSDF - YYZ
1 stop16h 32mMultiple Airlines
Mon 11/177:00 amYYZ - SDF
1 stop11h 16mMultiple Airlines
Deal found 10/29$359
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:11 pmSDF - YYZ
1 stop16h 32mMultiple Airlines
Sat 11/158:15 pmYYZ - SDF
2 stops22h 01mMultiple Airlines
Deal found 10/29$467
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Sun 11/308:31 pmSDF - YYZ
2 stops23h 29mMultiple Airlines
Sat 12/68:20 pmYYZ - SDF
2 stops14h 40mMultiple Airlines
Deal found 10/30$468
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Mon 11/249:23 amSDF - YYZ
1 stop8h 31mMultiple Airlines
Mon 11/248:30 pmYYZ - SDF
2 stops21h 23mMultiple Airlines
Deal found 10/30$485
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:01 amSDF - YYZ
1 stop10h 34mAmerican Airlines
Sat 11/1510:57 amYYZ - SDF
1 stop10h 32mAmerican Airlines
Deal found 10/29$520
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:05 amSDF - YYZ
1 stop17h 07mMultiple Airlines
Sun 1/43:40 pmYYZ - SDF
1 stop28h 23mMultiple Airlines
Deal found 10/29$554

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Toronto 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 October 30, 2025.
Use the filters below to find and compare flights from Louisville to Toronto that are best for you.

Fly from

Louisville

Fly to

Toronto

Route

Depart

Return

Price

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 11/14

7:11 pm-11:43 am

1 stop16h 32m

Toronto Pearson Intl

Mon 11/17

7:00 am-6:16 pm

1 stop11h 16m

$359

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sun 11/30

8:31 pm-8:00 pm

2 stops23h 29m

Toronto Pearson Intl

Sat 12/6

8:20 pm-11:00 am

2 stops14h 40m

$468

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Mon 11/24

9:23 am-5:54 pm

1 stop8h 31m

Toronto Pearson Intl

Mon 11/24

8:30 pm-5:53 pm

2 stops21h 23m

$485

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Wed 11/12

6:01 am-4:35 pm

1 stop10h 34m

Toronto Pearson Intl

Sat 11/15

10:57 am-9:29 pm

1 stop10h 32m

$520

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Wed 12/31

5:05 am-8:03 pm

2 stops14h 58m

Toronto Pearson Intl

Sun 1/4

3:40 pm-8:03 pm

1 stop28h 23m

$520

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Mon 11/10

7:11 pm-11:43 am

1 stop16h 32m

Toronto Pearson Intl

Sat 11/15

11:15 am-6:16 pm

1 stop31h 01m

$533

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 2/26

10:55 am-11:20 pm

1 stop12h 25m

$106

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 2/26

12:00 pm-9:29 pm

1 stop9h 29m

$116

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sun 12/14

11:55 am-11:43 am

1 stop23h 48m

$148

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Mon 3/23

9:09 pm-8:10 pm

2 stops23h 01m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 12 results
1
2

Compare providers for flights from Louisville to Toronto

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 Louisville to Toronto in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
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 Louisville-Toronto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Toronto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Toronto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Toronto 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 Louisville-Toronto 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 Louisville to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Louisville 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 Louisville to Toronto

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

Currently, December is the cheapest month in which you can book a flight from Louisville to Toronto (average of $183). Flying from Louisville to Toronto in September is currently the most expensive (average of $326). 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.

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Delta and WestJet from Louisville to Toronto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,995 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,995 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
WestJet
7.2
Good
3,149 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Toronto. 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 from for flights from Louisville to Toronto?

    Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to Toronto. You should not have trouble finding flights to Toronto from Louisville Intl; the airport handles an average of 0 outbound flights to Toronto per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Louisville airport to Toronto. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.

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

    WestJet, at $183, was found to be the cheapest airline from Louisville to Toronto.Alternate airlines to your destination round-trip include Delta and United Airlines. These flights start at 64% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Toronto 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 Louisville to Toronto?

    Currently, December is the cheapest month in which you can book a flight from Louisville to Toronto (average of $183). Flying from Louisville to Toronto in September is currently the most expensive (average of $326). 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

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Alternative routes for Louisville to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Louisville to Toronto

Discover the top 4 airlines that operate flights from Louisville to Toronto. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$183Average$615FlexibilityNo cancel feeOn-time60%
DeltaCheapest$303Average$496FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$310Average$537FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$317Average$358FlexibilityNo cancel feeOn-time71%

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