Cheap flights from Toronto to Louisville from C$ 209

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SDF
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 330

One-way from

C$ 209

Popular in

January

Cheapest in

February

Average price

C$ 546
25/10-1/11
  • 25/10-1/11
  • 2 total stops
  • 18h 38m total
  • Toronto to Louisville
24/10
  • 24/10
  • 1 total stop
  • 6h 47m total
  • Toronto to Louisville
Highest demand for flights based on searches. 6% potential increase in price (C$ 55 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 31 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 11 September 2025.

Sat 25/106:30 a.m.YYZ - SDF
1 stop11h 33mMultiple Airlines
Sat 1/117:15 a.m.SDF - YYZ
1 stop7h 05mMultiple Airlines
Deal found 10/9C$ 330
Fri 24/104:00 p.m.YYZ - SDF
1 stop6h 47mMultiple Airlines
Fri 31/107:15 a.m.SDF - YYZ
1 stop6h 50mMultiple Airlines
Deal found 9/9C$ 355
Sat 25/106:30 a.m.YYZ - SDF
1 stop11h 33mMultiple Airlines
Wed 29/105:31 p.m.SDF - YYZ
1 stop21h 09mMultiple Airlines
Deal found 9/9C$ 359
Tue 7/104:00 p.m.YYZ - SDF
1 stop25h 55mMultiple Airlines
Tue 14/1010:01 a.m.SDF - YYZ
1 stop12h 39mMultiple Airlines
Deal found 9/9C$ 378
Sun 26/109:35 a.m.YYZ - SDF
1 stop23h 56mMultiple Airlines
Sun 2/116:58 p.m.SDF - YYZ
1 stop24h 04mMultiple Airlines
Deal found 11/9C$ 387
Fri 24/109:50 a.m.YYZ - SDF
1 stop12h 57mMultiple Airlines
Sat 1/117:15 a.m.SDF - YYZ
1 stop7h 05mMultiple Airlines
Deal found 9/9C$ 407
Mon 6/104:00 p.m.YYZ - SDF
1 stop28h 50mMultiple Airlines
Tue 14/1010:01 a.m.SDF - YYZ
1 stop12h 39mMultiple Airlines
Deal found 9/9C$ 409
Sun 5/106:30 a.m.YYZ - SDF
1 stop28h 22mMultiple Airlines
Fri 10/1011:47 a.m.SDF - YYZ
1 stop12h 05mMultiple Airlines
Deal found 11/9C$ 417

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 629,999 searches. Data last updated 11 September 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 25/10

6:30 a.m.-6:03 p.m.

1 stop11h 33m

Louisville Intl

Sat 1/11

7:15 a.m.-2:20 p.m.

1 stop7h 05m

C$ 330

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 24/10

4:00 p.m.-10:47 p.m.

1 stop6h 47m

Louisville Intl

Fri 31/10

7:15 a.m.-2:05 p.m.

1 stop6h 50m

C$ 355

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 25/10

6:30 a.m.-6:03 p.m.

1 stop11h 33m

Louisville Intl

Wed 29/10

5:31 p.m.-2:40 p.m.

1 stop21h 09m

C$ 359

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 7/10

4:00 p.m.-5:55 p.m.

1 stop25h 55m

Louisville Intl

Tue 14/10

10:01 a.m.-10:40 p.m.

1 stop12h 39m

C$ 378

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 27/11

7:35 a.m.-7:25 p.m.

1 stop11h 50m

Louisville Intl

Tue 2/12

6:00 a.m.-2:05 p.m.

1 stop8h 05m

C$ 400

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 24/10

9:50 a.m.-10:47 p.m.

1 stop12h 57m

Louisville Intl

Sat 1/11

7:15 a.m.-2:20 p.m.

1 stop7h 05m

C$ 407

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sun 26/10

8:25 p.m.-10:52 a.m.

2 stops14h 27m

Louisville Intl

Sun 2/11

7:15 a.m.-2:20 p.m.

1 stop7h 05m

C$ 450

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 20/10

6:30 a.m.-5:53 p.m.

1 stop11h 23m

Louisville Intl

Wed 22/10

5:31 p.m.-2:05 p.m.

1 stop20h 34m

C$ 450

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 27/9

6:30 a.m.-10:04 p.m.

1 stop15h 34m

Louisville Intl

Tue 30/9

10:14 a.m.-11:41 p.m.

1 stop13h 27m

C$ 457

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 1/11

9:35 a.m.-6:03 p.m.

1 stop8h 28m

C$ 215

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 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, February is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 332). Flying from Toronto to Louisville in September is currently the most expensive (average of C$ 487). 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 11 September 2025.

A simple way to save on the total cost of your ticket is to fly from Toronto to Louisville in the evening. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight at noon.

What’s the top layover airport for flights from Toronto to Louisville?

Share of one-stop round-trip flights from Toronto to Louisville chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 39% of one-stop itineraries from Toronto to Louisville on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to Louisville?

Average round-trip fare for 1-stop flights from Toronto to Louisville, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of C$ 368.

What’s the fastest layover option from Toronto to Louisville?

Shortest average travel time for 1-stop one-way flights from Toronto to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 4h 27m.

Which airport typically offers the quickest layover for flights from Toronto to Louisville?

Average layover duration for 1-stop one-way flights from Toronto to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 0h 47m.

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 11 September 2025.
See what other customers who have flown with United Airlines,WestJet, andAir Canada from Toronto to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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?

    Louisville Intl (SDF) is the airport you will fly into if you book a flight from Toronto to Louisville. You should not have trouble finding flights to Louisville Intl from Toronto; the airport handles an average of 0 inbound flights from Toronto per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Louisville airport from Toronto. It is only a 8.5 km journey from Louisville Intl (SDF) to Louisville’s city centre.

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

    Flying on Air Canada is currently your cheapest option to Louisville, with prices starting at C$ 193. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at C$ 199 and C$ 361, respectively. Air Canada is priced at 66% 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, February is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 332). Flying from Toronto to Louisville in September is currently the most expensive (average of C$ 487). 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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Top 4 airlines flying from Toronto to Louisville

Discover the top 4 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 193AverageC$ 486FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 199AverageC$ 388FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 361AverageC$ 620FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 391AverageC$ 579FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Toronto to Louisville?

Deals for Toronto to Louisville flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Louisville?

Cheapflights helps you find that perfect flight to Louisville from Toronto by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Toronto to Louisville with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Toronto to Louisville, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Toronto to Louisville become cheaper?

Not ready to book yet? You can track prices for flights from Toronto to Louisville on Cheapflights with our Price Alert feature and get notified when better prices are available.

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