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Cheap flights from Toronto to Louisville from C$ 309

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SDF
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Toronto to Louisville

Enter your travel dates to find the best prices.

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 22 March 2026.

Fri 17/49:35 a.m.
YYZ
-
SDF
1 stop9h 23m
Multiple Airlines
Fri 24/47:48 p.m.
SDF
-
YYZ
1 stop15h 55m
Multiple Airlines
Deal found 18/3C$ 567
Sun 3/56:30 a.m.
YYZ
-
SDF
1 stop10h 34m
Multiple Airlines
Mon 4/57:48 p.m.
SDF
-
YYZ
1 stop18h 17m
Multiple Airlines
Deal found 19/3C$ 575
Fri 8/59:30 a.m.
YYZ
-
SDF
1 stop9h 28m
Multiple Airlines
Mon 11/57:48 p.m.
SDF
-
YYZ
1 stop18h 17m
Multiple Airlines
Deal found 21/3C$ 587
Wed 15/46:10 a.m.
YYZ
-
SDF
1 stop3h 56m
Delta
Thu 16/410:46 a.m.
SDF
-
YYZ
1 stop4h 34m
Delta
Deal found 19/3C$ 593
Wed 22/411:30 a.m.
YYZ
-
SDF
1 stop5h 12m
Delta
Sat 25/48:10 a.m.
SDF
-
YYZ
1 stop9h 05m
Delta
Deal found 22/3C$ 594
Sat 4/46:00 a.m.
YYZ
-
SDF
1 stop5h 29m
American Airlines
Sat 4/43:49 p.m.
SDF
-
YYZ
1 stop7h 06m
American Airlines
Deal found 21/3C$ 599
Tue 14/411:10 a.m.
YYZ
-
SDF
1 stop10h 18m
American Airlines
Tue 21/46:00 a.m.
SDF
-
YYZ
1 stop10h 45m
American Airlines
Deal found 17/3C$ 605
Thu 16/46:59 p.m.
YYZ
-
SDF
1 stop18h 32m
Delta
Sun 19/46:00 a.m.
SDF
-
YYZ
1 stop4h 19m
Delta
Deal found 17/3C$ 613
Fri 10/46:06 p.m.
YYZ
-
SDF
1 stop5h 05m
American Airlines
Sun 12/46:00 a.m.
SDF
-
YYZ
1 stop6h 35m
American Airlines
Deal found 22/3C$ 654

Find 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 22 March 2026.

Round-trip from

C$ 567

One-way from

C$ 309

Popular in

October

Cheapest in

May

Average price

C$ 697
17/4-24/4
  • 17/4-24/4
  • 2 total stops
  • 25h 18m total
  • Toronto to Louisville
Search Deals
3/5
  • 3/5
  • 1 total stop
  • 31h 34m total
  • Toronto to Louisville
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 22 March 2026.
Use the filters below to find and compare flights from Toronto to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 17/4

9:35 a.m.-6:58 p.m.

1 stop9h 23m

Louisville Intl

Fri 24/4

7:48 p.m.-11:43 a.m.

1 stop15h 55m

C$ 567
Quickest round-trip

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 15/4

6:10 a.m.-10:06 a.m.

1 stop3h 56m

Louisville Intl

Thu 16/4

10:46 a.m.-3:20 p.m.

1 stop4h 34m

C$ 593

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 22/4

6:27 p.m.-11:59 p.m.

1 stop5h 32m

Louisville Intl

Sat 25/4

6:08 p.m.-10:56 p.m.

1 stop4h 48m

C$ 593

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 17/4

5:20 p.m.-10:30 p.m.

1 stop5h 10m

Louisville Intl

Wed 22/4

10:00 a.m.-3:46 p.m.

1 stop5h 46m

C$ 594

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 16/4

6:59 p.m.-1:31 p.m.

1 stop18h 32m

Louisville Intl

Sun 19/4

6:00 a.m.-10:19 a.m.

1 stop4h 19m

C$ 613

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 10/4

6:06 p.m.-11:11 p.m.

1 stop5h 05m

Louisville Intl

Sun 12/4

6:00 a.m.-12:35 p.m.

1 stop6h 35m

C$ 654

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 18/4

2:15 p.m.-11:44 p.m.

2 stops9h 29m

Louisville Intl

Sat 25/4

1:55 p.m.-8:44 p.m.

1 stop6h 49m

C$ 687

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 8/5

12:00 p.m.-10:22 p.m.

2 stops10h 22m

Louisville Intl

Mon 11/5

5:40 a.m.-12:35 p.m.

1 stop6h 55m

C$ 687
Cheapest one-way

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 5/5

6:30 a.m.-8:36 a.m.

2 stops26h 06m

C$ 310

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 6/4

3:40 p.m.-11:47 a.m.

1 stop20h 07m

C$ 310

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 18 resultsSorted by cheapest first
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, May is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 198). Flying from Toronto to Louisville in February is currently the most expensive (average of C$ 621). 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 Toronto to Louisville?

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 44% 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$ 490.

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 Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 3h 47m.

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 Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 0h 57m.

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 22 March 2026.
See what other customers who have flown with WestJet 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.
WestJet
7.2
Good
3,300 reviews
Check prices

Crew

7.9

Food

6.2

Comfort

7.0

Entertainment

6.1

Boarding

7.4

Overall

7.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
3,300 reviews
WestJet
7.2
Good
3,300 reviews
Check prices

Crew

7.9

Food

6.2

Comfort

7.0

Entertainment

6.1

Boarding

7.4

Overall

7.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

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.

  • How long is the flight from Toronto to Louisville?

    Departing from Toronto to Louisville will take you 3h 56m. Toronto and Louisville are separated by a distance of 798 km.

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

    Flying on United Airlines is currently your cheapest option to Louisville, with prices starting at C$ 484. Additional round-trip tickets that might be worth considering are offered by Air Canada and WestJet, with the lowest prices starting at C$ 490 and C$ 513, respectively. United Airlines is priced at 32% 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, May is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 198). Flying from Toronto to Louisville in February is currently the most expensive (average of C$ 621). 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

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 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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 484AverageC$ 667FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 490AverageC$ 741FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 513AverageC$ 768FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 535AverageC$ 815FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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