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Cheap flights from Louisville to Ontario from C$ 438

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Louisville to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Ontario (CAON). 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 21 January 2025.

Round-trip from

C$ 438
United Airlines
  • United Airlines
  • 12/2-12/2
  • 2 total stops
  • 13h 11m total
  • Louisville to Ontario
Search Deals

Find flight deals from Louisville to Ontario

Cheapest flights from Louisville to Ontario
Explore the most affordable flight options available from Louisville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Wed 12/28:04 a.m.SDF - YYZ
1 stop4h 56mAmerican Airlines
Wed 12/24:30 p.m.YYZ - SDF
1 stop5h 35mAmerican Airlines
Deal found 21/1C$ 456
Mon 17/210:05 a.m.SDF - YYZ
1 stop13h 54mMultiple Airlines
Fri 21/212:45 p.m.YYZ - SDF
1 stop6h 12mMultiple Airlines
Deal found 21/1C$ 491
Sat 1/32:00 p.m.SDF - YYZ
1 stop9h 11mUnited Airlines
Sun 9/36:15 a.m.YYZ - SDF
1 stop4h 18mUnited Airlines
Deal found 20/1C$ 501
Sat 1/32:43 p.m.SDF - YYZ
1 stop9h 09mDelta
Sun 9/32:45 p.m.YYZ - SDF
1 stop8h 30mDelta
Deal found 21/1C$ 507
Sat 1/36:00 a.m.SDF - YYZ
1 stop5h 08mWestJet
Sun 9/37:00 p.m.YYZ - SDF
2 stops26h 30mWestJet
Deal found 21/1C$ 521
Sun 9/26:00 a.m.SDF - YUL
1 stop5h 59mAir Canada
Thu 13/21:15 p.m.YUL - SDF
1 stop10h 29mAir Canada
Deal found 21/1C$ 535
Sun 9/27:43 a.m.SDF - YUL
1 stop15h 03mAmerican Airlines
Thu 13/25:35 p.m.YUL - SDF
2 stops7h 03mAmerican Airlines
Deal found 21/1C$ 548
Wed 5/311:21 a.m.SDF - YUL
1 stop4h 37mUnited Airlines
Wed 12/39:15 a.m.YUL - SDF
1 stop10h 23mUnited Airlines
Deal found 21/1C$ 551
Wed 5/37:03 p.m.SDF - YUL
3 stops27h 42mMultiple Airlines
Wed 12/36:30 a.m.YUL - SDF
1 stop11h 38mMultiple Airlines
Deal found 21/1C$ 566
Fri 21/26:00 a.m.SDF - YUL
1 stop5h 47mWestJet
Thu 27/21:30 p.m.YUL - SDF
2 stops9h 51mWestJet
Deal found 21/1C$ 651
Thu 20/26:00 a.m.SDF - YOW
1 stop11h 15mMultiple Airlines
Thu 27/24:20 p.m.YOW - SDF
1 stop16h 13mMultiple Airlines
Deal found 21/1C$ 714
Thu 20/27:35 a.m.SDF - YOW
2 stops16h 34mWestJet
Thu 27/25:55 a.m.YOW - SDF
2 stops18h 03mWestJet
Deal found 21/1C$ 904

Find flights from Louisville to Ontario within your budget

Customize your flight search to find flights from Louisville to Ontario 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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Wed 12/2

7:00 a.m.-1:42 p.m.

1 stop6h 42m

Toronto Pearson Intl

Wed 12/2

4:00 p.m.-10:29 p.m.

1 stop6h 29m

C$ 438

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Wed 12/2

8:04 a.m.-1:00 p.m.

1 stop4h 56m

Toronto Pearson Intl

Wed 12/2

4:30 p.m.-10:05 p.m.

1 stop5h 35m

C$ 456

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 6/3

7:03 p.m.-11:42 a.m.

1 stop16h 39m

Toronto Pearson Intl

Thu 13/3

7:10 a.m.-6:08 p.m.

2 stops10h 58m

C$ 476

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 27/3

6:00 a.m.-1:47 p.m.

1 stop7h 47m

Toronto Pearson Intl

Sun 30/3

12:20 p.m.-9:30 p.m.

1 stop9h 10m

C$ 507

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sat 1/3

6:00 a.m.-11:08 a.m.

1 stop5h 08m

Toronto Pearson Intl

Sun 9/3

7:00 p.m.-9:30 p.m.

2 stops26h 30m

C$ 521

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 5/3

7:03 p.m.-6:00 p.m.

2 stops22h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

6:30 a.m.-6:08 p.m.

1 stop11h 38m

C$ 521

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 9/2

7:43 a.m.-12:20 p.m.

1 stop4h 37m

Montreal Pierre Elliott Trudeau Intl

Thu 13/2

7:14 a.m.-12:38 a.m.

1 stop17h 24m

C$ 535

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 5/3

11:21 a.m.-3:58 p.m.

1 stop4h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

9:15 a.m.-7:38 p.m.

1 stop10h 23m

C$ 551

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Fri 21/2

6:00 a.m.-11:47 a.m.

1 stop5h 47m

Montreal Pierre Elliott Trudeau Intl

Thu 27/2

1:30 p.m.-11:21 p.m.

2 stops9h 51m

C$ 651

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 20/2

6:00 a.m.-5:15 p.m.

1 stop11h 15m

Ottawa

Thu 27/2

4:20 p.m.-8:33 a.m.

1 stop16h 13m

C$ 714

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/1

Showing 1-10 of 15 results
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Best time to book a flight from Louisville to Ontario

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

Travel insights for flights from Louisville to Ontario

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

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

Currently, January is the cheapest month in which you can book a flight from Louisville to Region of Ontario (average of C$ 168). Flying from Louisville to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 SDF to ON?

Find hourly flight availability from Louisville to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 21 January 2025.
Peruse reviews from past customers who have flown with WestJet, American Airlines and United Airlines from Louisville to Ontario to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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
8,521 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

WestJet
7.2
Good
2,829 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Air Canada
7.0
Good
8,635 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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 Ontario. 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 Ontario?

    Most people fly from Louisville Intl (SDF) if they book a flight from Louisville to Ontario. Louisville Intl is conveniently located just 8.5 km from Louisville’s city centre.

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

    The most popular route from Louisville to Region of Ontario is Louisville Intl - Toronto Pearson Intl. You may also consider Louisville Intl - Montreal Pierre Elliott Trudeau Intl or Louisville Intl - Ottawa.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Louisville to Region of Ontario (average of C$ 168). Flying from Louisville to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Louisville to Ontario?

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