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$147+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YTO
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$317
(Kiwi.com)

One-way from

$147
(Mytrip)

Popular in

December

Cheapest in

November

Average price

$384
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. 13% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
mié. 7/99:46 amSDF - YYZ
1 stop28h 19mMultiple Airlines
mié. 7/167:25 pmYYZ - SDF
1 stop16h 02mMultiple Airlines
Deal found 6/11$317
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 10/87:00 amSDF - YYZ
1 stop7h 38mUnited Airlines
dom. 10/129:00 pmYYZ - SDF
1 stop13h 01mUnited Airlines
Deal found 6/11$444
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/233:39 pmSDF - YYZ
2 stops7h 25mAmerican Airlines
mié. 6/2511:01 amYYZ - SDF
1 stop10h 49mAmerican Airlines
Deal found 6/12$535
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/107:25 pmSDF - YYZ
2 stops14h 32mWestJet
dom. 10/128:00 amYYZ - SDF
2 stops10h 44mWestJet
Deal found 6/11$802

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 junio 12, 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

mié. 7/9

9:46 am-2:05 pm

1 stop28h 19m

Toronto Pearson Intl

mié. 7/16

7:25 pm-11:27 am

1 stop16h 02m

$317

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

mié. 10/8

7:00 am-2:38 pm

1 stop7h 38m

Toronto Pearson Intl

dom. 10/12

9:00 pm-10:01 am

1 stop13h 01m

$444

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

lun. 6/23

8:15 am-2:55 pm

1 stop6h 40m

Toronto Pearson Intl

mié. 6/25

11:01 am-9:50 pm

1 stop10h 49m

$525

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

vie. 10/10

7:25 pm-9:57 am

2 stops14h 32m

Toronto Pearson Intl

dom. 10/12

8:00 am-6:44 pm

2 stops10h 44m

$802

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

mié. 7/16

8:13 pm-9:00 pm

1 stop24h 47m

$147

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

jue. 9/4

9:05 am-9:02 pm

1 stop11h 57m

$169

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

jue. 9/4

6:15 am-3:34 pm

2 stops9h 19m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $353). 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 junio 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
2,868 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,531 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 $444, was found to be the cheapest airline from Louisville to Toronto.Alternate airlines to your destination round-trip include American Airlines and WestJet.

  • 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 $353). 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.
Nashville to Pearson Intl flights
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Cincinnati to Ottawa flights
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Lexington to Hamilton flights
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Nashville to Ottawa flights
Nashville to Region of Waterloo Intl flights
Louisville to Ottawa flights
Knoxville to Ottawa flights
Evansville to Pierre Elliott Trudeau Intl flights
Blountville to Pearson Intl flights
Lexington to Ottawa flights
Nashville to Hamilton flights
Louisville to London 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$276Average$386FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$536FlexibilityNo cancel feeOn-time69%
DeltaCheapest$312Average$439FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$337Average$563FlexibilityNo cancel feeOn-time60%

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