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$128+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YTO
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$292
(Mytrip)

One-way from

$128
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$548
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. 6% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:17 amSDF - YYZ
1 stop12h 35mMultiple Airlines
Sun 9/286:30 amYYZ - SDF
1 stop15h 58mMultiple Airlines
Deal found 7/29$292
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/2310:55 amSDF - YYZ
1 stop7h 40mUnited Airlines
Sat 8/3011:00 amYYZ - SDF
1 stop11h 24mUnited Airlines
Deal found 7/29$491
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 9/137:00 amSDF - YYZ
1 stop10h 43mAmerican Airlines
Sun 9/146:30 amYYZ - SDF
1 stop7h 50mAmerican Airlines
Deal found 7/29$526

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 July 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

Mon 9/22

11:17 am-11:52 pm

1 stop12h 35m

Toronto Pearson Intl

Sun 9/28

6:30 am-10:28 pm

1 stop15h 58m

$292

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sat 8/23

10:55 am-6:35 pm

1 stop7h 40m

Toronto Pearson Intl

Sat 8/30

11:00 am-10:24 pm

1 stop11h 24m

$491

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sat 9/13

7:00 am-5:43 pm

1 stop10h 43m

Toronto Pearson Intl

Sun 9/14

6:30 am-2:20 pm

1 stop7h 50m

$526

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 9/12

8:30 am-9:21 pm

2 stops12h 51m

$128

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Wed 8/20

6:44 am-2:34 pm

1 stop7h 50m

$169

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 9/18

12:13 pm-11:38 am

1 stop23h 25m

$179

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Tue 8/19

9:05 am-11:58 pm

1 stop14h 53m

$218

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 8/22

5:00 pm-11:43 pm

1 stop6h 43m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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, January is the cheapest month in which you can book a flight from Louisville to Toronto (average of $243). Flying from Louisville to Toronto in August is currently the most expensive (average of $348). 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.

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

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 July 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines 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
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,975 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    United Airlines, at $448, was found to be the cheapest airline from Louisville to Toronto.Alternate airlines to your destination round-trip include American Airlines and Delta.

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

    $169 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $218 and $359, respectively.

  • 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, January is the cheapest month in which you can book a flight from Louisville to Toronto (average of $243). Flying from Louisville to Toronto in August is currently the most expensive (average of $348). 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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Evansville to Pierre Elliott Trudeau Intl flights
Blountville to Pearson Intl flights
Lexington to Hamilton flights
Blountville to Pierre Elliott Trudeau Intl flights
Knoxville to Ottawa flights
Evansville to Pearson Intl flights
Louisville to London flights
Lexington to Ottawa flights
Knoxville to Sudbury flights

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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$183Average$567FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$276Average$537FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$276Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$303Average$421FlexibilityNo cancel feeOn-timeN/A

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