HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$157+ Cheap flights from Ontario to Louisville (SDF)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SDF
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Louisville with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) 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 December 19, 2024.

Round-trip from

$260
(United Airlines)

One-way from

$157
(Air Canada)
From Ontario to Louisville Intl
Search Deals
One-way flight from Ontario to Louisville Intl
Search Deals

Find flight deals from Ontario to Louisville

Cheapest flights from Ontario to Louisville
Explore the most affordable flight options available from Ontario to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This United Airlines deal was found by Cheapflights users on 12/19. 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 12/238:00 amYYZ - SDF
1 stop12h 37mUnited Airlines
Wed 12/258:28 amSDF - YYZ
1 stop7h 17mUnited Airlines
Deal found 12/19$564
This WestJet deal was found by Cheapflights users on 12/19. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:30 amYYZ - SDF
1 stop9h 23mWestJet
Wed 12/256:36 amSDF - YYZ
2 stops16h 59mWestJet
Deal found 12/19$588
This Air Canada deal was found by Cheapflights users on 12/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/215:00 pmYOW - SDF
1 stop5h 16mAir Canada
Mon 12/308:34 amSDF - YOW
1 stop8h 32mAir Canada
Deal found 12/18$834
This United Airlines deal was found by Cheapflights users on 12/18. 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 12/216:00 amYOW - SDF
2 stops16h 16mUnited Airlines
Mon 12/3010:55 amSDF - YOW
1 stop10h 29mUnited Airlines
Deal found 12/18$839

Find flights from Ontario to Louisville within your budget

Customize your flight search to find flights from Ontario 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 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sun 1/12

8:00 am-1:14 pm

1 stop5h 14m

Louisville Intl

Tue 1/14

9:55 am-4:06 pm

1 stop6h 11m

$260

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 1/13

7:00 pm-11:59 pm

2 stops28h 59m

Louisville Intl

Sat 1/18

1:25 pm-10:52 pm

1 stop9h 27m

$296

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sun 2/23

7:05 am-6:32 pm

2 stops11h 27m

Louisville Intl

Fri 2/28

10:43 am-11:53 pm

1 stop13h 10m

$322

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 4/1

7:00 am-5:46 pm

1 stop10h 46m

Louisville Intl

Fri 4/4

1:00 pm-11:14 pm

1 stop10h 14m

$481

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 5/9

6:00 am-11:35 am

1 stop5h 35m

Louisville Intl

Sun 5/11

6:05 am-1:39 pm

1 stop7h 34m

$529

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 1/11

9:00 am-5:06 pm

1 stop8h 06m

$157

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 1/11

12:20 pm-10:30 pm

2 stops10h 10m

$159

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Fri 1/17

8:35 am-8:37 pm

2 stops12h 02m

$173

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 1/13

7:00 pm-5:45 pm

2 stops22h 45m

$184

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Fri 1/17

2:35 pm-6:30 pm

3 stops27h 55m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Best time to book a flight from Ontario to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Ontario 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.

Travel insights for flights from Ontario to Louisville

Get recent, data-driven insights about flights from Ontario to Louisville including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario to Louisville?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Louisville (average of $299). Flying from Region of Ontario to Louisville in April is currently the most expensive (average of $369). 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 ON to SDF?

Find hourly flight availability from Ontario 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 December 19, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Louisville as you normally would.

Rainfall in Louisville by month

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

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

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

If weather is an important factor for your trip to Louisville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 December 19, 2024.
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,600 reviews
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,048 reviews
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.3
Good
2,819 reviews
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,391 reviews
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 Ontario?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Ontario to Louisville.

  • What are the cheapest airlines to fly from Region of Ontario to Louisville one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $157. Users have also found prices from $159 and $184 on United Airlines and WestJet, respectively.

  • What are the most popular routes from Region of Ontario to Louisville?

    When deciding which route to take from Region of Ontario to Louisville consider Toronto Pearson Intl - Louisville Intl, Montreal Pierre Elliott Trudeau Intl - Louisville Intl or Ottawa - Louisville Intl as they are the most popular.

  • Can I find deals for flights from Ontario to Louisville that include hotel bookings?

    Yes. In addition to deals on Ontario to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Louisville.

  • Can I find deals for business class flights from Ontario to Louisville?

    Yes. Cheapflights offers flight deals from Ontario 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 Region of Ontario to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Louisville (average of $299). Flying from Region of Ontario to Louisville in April is currently the most expensive (average of $369). 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.

Alternative routes for Ontario to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Nashville flights
Pierre Elliott Trudeau Intl to Nashville flights
Vancouver Intl to Nashville flights
Calgary to Nashville flights
Edmonton to Nashville flights
Pearson Intl to Cincinnati flights
Winnipeg to Nashville flights
Pierre Elliott Trudeau Intl to Cincinnati flights
Ottawa to Nashville flights
Abbotsford to Nashville flights
Pearson Intl to Knoxville flights
Québec City to Nashville flights
Vancouver Intl to Louisville flights
Pearson Intl to Lexington flights
Pearson Intl to Louisville flights
Regina to Nashville flights
Halifax to Nashville flights
Pierre Elliott Trudeau Intl to Louisville flights
Vancouver Intl to Cincinnati flights
Saskatoon to Nashville flights
Hamilton to Nashville flights
Pierre Elliott Trudeau Intl to Lexington flights
St. John's to Nashville flights
Pierre Elliott Trudeau Intl to Knoxville flights
Winnipeg to Louisville flights
Calgary to Cincinnati flights
Victoria to Nashville flights
Pearson Intl to Blountville flights
Ottawa to Louisville flights
Edmonton to Louisville flights
Vancouver Intl to Paducah flights
Vancouver Intl to Lexington flights
Halifax to Knoxville flights
Ottawa to Cincinnati flights
Québec City to Knoxville flights
Saskatoon to Cincinnati flights
Victoria to Louisville flights
Calgary to Louisville flights
Victoria to Lexington flights
Yellowknife to Cincinnati flights
Victoria to Cincinnati flights
Charlottetown to Nashville flights
London to Nashville flights
Fredericton to Nashville flights

Top 2 airlines flying from Ontario to Louisville

Discover the top 2 airlines that operate flights from Ontario 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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$263Average$327FlexibilityNo cancel feeOn-time71%
WestJetCheapest$296Average$428FlexibilityNo cancel feeOn-time60%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.