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$159+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YTO
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$275
(Mytrip)

One-way from

$159
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$344
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. 16% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/49:34 amSDF - YYZ
1 stop28h 31mMultiple Airlines
Wed 6/117:15 amYYZ - SDF
1 stop28h 58mMultiple Airlines
Deal found 4/29$275
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:00 amSDF - YYZ
2 stops7h 00mAir Canada
Wed 5/211:55 pmYYZ - SDF
1 stop7h 43mAir Canada
Deal found 4/30$394
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.
Fri 6/206:05 amSDF - YYZ
1 stop5h 50mDelta
Mon 6/237:45 amYYZ - SDF
1 stop9h 07mDelta
Deal found 4/29$397
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2012:53 pmSDF - YYZ
1 stop9h 06mWestJet
Mon 6/236:30 pmYYZ - SDF
2 stops19h 49mWestJet
Deal found 4/30$433
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.
Mon 5/1210:08 amSDF - YYZ
1 stop7h 01mUnited Airlines
Fri 5/166:15 amYYZ - SDF
1 stop4h 04mUnited Airlines
Deal found 4/29$483
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/302:34 pmSDF - YYZ
1 stop8h 54mAmerican Airlines
Wed 7/96:30 amYYZ - SDF
1 stop12h 01mAmerican Airlines
Deal found 4/30$517

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 May 1, 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

Wed 6/4

9:34 am-2:05 pm

1 stop28h 31m

Toronto Pearson Intl

Wed 6/11

7:15 am-12:13 pm

1 stop28h 58m

$275

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 5/15

6:00 am-1:00 pm

2 stops7h 00m

Toronto Pearson Intl

Wed 5/21

1:55 pm-9:38 pm

1 stop7h 43m

$394

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 6/20

6:05 am-11:55 am

1 stop5h 50m

Toronto Pearson Intl

Mon 6/23

7:45 am-4:52 pm

1 stop9h 07m

$397

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 6/20

12:53 pm-9:59 pm

1 stop9h 06m

Toronto Pearson Intl

Mon 6/23

6:30 pm-2:19 pm

2 stops19h 49m

$433

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Mon 5/12

10:08 am-5:09 pm

1 stop7h 01m

Toronto Pearson Intl

Fri 5/16

6:15 am-10:19 am

1 stop4h 04m

$483

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Mon 6/30

2:34 pm-11:28 pm

1 stop8h 54m

Toronto Pearson Intl

Wed 7/9

6:30 am-6:31 pm

1 stop12h 01m

$517

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Tue 5/27

12:58 pm-11:47 pm

1 stop10h 49m

$159

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 5/16

6:00 am-10:20 am

1 stop4h 20m

$171

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 5/15

6:00 am-6:14 am

2 stops24h 14m

$237

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 9/4

6:34 am-2:32 pm

1 stop7h 58m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 11 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
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 Louisville-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Toronto flight deals on Cheapflights vs. FlightHub >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, 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 July is currently the most expensive (average of $359). 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.

Rainfall in Toronto by month

Plan your trip to Toronto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Toronto ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto when rainfall is around 2.0 in.

Temperature in Toronto by month

Plan your trip to Toronto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Toronto, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,826 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,245 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 5 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?

    Air Canada, at $394, was found to be the cheapest airline from Louisville to Toronto.Alternate airlines to your destination round-trip include Delta and WestJet.

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

    $171 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on WestJet and American Airlines, with prices starting from $237 and $290, 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 July is currently the most expensive (average of $359). 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 5 airlines flying from Louisville to Toronto

Discover the top 5 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$276Average$398FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$276Average$536FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$276Average$398FlexibilityNo cancel feeOn-time71%
DeltaCheapest$312Average$439FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$331Average$421FlexibilityNo cancel feeOn-time60%

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