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$122+ Cheap flights from Louisville (SDF) to Ontario

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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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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 October 31, 2024.

This United deal was found by Cheapflights users on 10/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/235:55 pmSDF - YYZ
1 stop5h 11mUnited Airlines
Sun 12/88:10 amYYZ - SDF
1 stop11h 29mUnited Airlines
Deal found 10/31$297
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 11/238:15 amSDF - YYZ
1 stop13h 14mAmerican Airlines
Fri 11/2911:37 amYYZ - SDF
1 stop6h 51mAmerican Airlines
Deal found 10/31$300
This Delta deal was found by Cheapflights users on 10/31. 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.
Sat 11/161:35 pmSDF - YYZ
1 stop9h 59mDelta
Mon 11/187:50 amYYZ - SDF
1 stop9h 04mDelta
Deal found 10/31$304
This Kissandfly.com deal was found by Cheapflights users on 10/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/217:05 amSDF - YUL
1 stop9h 54mMultiple Airlines
Wed 11/277:14 amYUL - SDF
1 stop17h 13mMultiple Airlines
Deal found 10/30$315
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Thu 11/217:17 pmSDF - YYZ
1 stop28h 50mMultiple Airlines
Mon 12/911:15 amYYZ - SDF
1 stop9h 43mMultiple Airlines
Deal found 10/31$325
This Kissandfly.com deal was found by Cheapflights users on 10/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/216:00 amSDF - YUL
1 stop6h 40mAir Canada
Wed 11/2710:15 amYUL - SDF
2 stops10h 11mAir Canada
Deal found 10/30$358
This WestJet deal was found by Cheapflights users on 10/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/297:00 amSDF - YYZ
1 stop16h 34mWestJet
Fri 12/67:00 pmYYZ - SDF
2 stops19h 27mWestJet
Deal found 10/30$372
This WestJet deal was found by Cheapflights users on 10/31. 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.
Wed 11/2710:39 amSDF - YUL
1 stop5h 43mWestJet
Sat 11/307:10 amYUL - SDF
1 stop10h 45mWestJet
Deal found 10/31$405
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/116:19 amSDF - YUL
1 stop16h 25mAmerican Airlines
Thu 11/1412:59 pmYUL - SDF
1 stop8h 17mAmerican Airlines
Deal found 10/29$427
This Gotogate deal was found by Cheapflights users on 10/31. 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.
Sat 11/232:00 pmSDF - YYZ
1 stop9h 06mAir Canada
Fri 11/296:30 amYYZ - SDF
2 stops8h 29mAir Canada
Deal found 10/31$504
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Wed 11/2711:10 amSDF - YUL
1 stop6h 09mUnited Airlines
Sat 11/3010:30 amYUL - SDF
2 stops10h 23mUnited Airlines
Deal found 10/31$789

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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 11/28

10:39 am-4:39 pm

1 stop6h 00m

$122

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sun 12/15

7:00 am-12:31 pm

1 stop5h 31m

$123

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Wed 1/15

7:43 am-5:24 pm

1 stop9h 41m

$130

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 11/28

8:35 am-7:30 am

2 stops22h 55m

$155

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 12/12

7:00 am-11:13 pm

2 stops16h 13m

$158

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 11/28

7:17 pm-6:40 pm

3 stops23h 23m

$200

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sat 11/23

5:55 pm-11:06 pm

1 stop5h 11m

Toronto Pearson Intl

Sun 12/8

8:10 am-7:39 pm

1 stop11h 29m

$297

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sat 11/23

8:15 am-9:29 pm

1 stop13h 14m

Toronto Pearson Intl

Fri 11/29

11:37 am-6:28 pm

1 stop6h 51m

$300

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Sat 11/16

1:35 pm-11:34 pm

1 stop9h 59m

Toronto Pearson Intl

Mon 11/18

7:50 am-4:54 pm

1 stop9h 04m

$304

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 11/21

7:05 am-4:59 pm

1 stop9h 54m

Montreal Pierre Elliott Trudeau Intl

Wed 11/27

7:14 am-12:27 am

1 stop17h 13m

$315

Flights are sorted by cheapest first

Deals found on 10/31

Showing 1-10 of 17 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 $242). Flying from Louisville to Region of Ontario 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 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 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 Region of Ontario when rainfall is around 2.0 in.

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 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 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 October 31, 2024.
To help decide which airline to fly from Louisville to Ontario, see what other customers have to say about United Airlines, American Airlines and Air Canada. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
9,240 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

WestJet
7.3
Good
2,804 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
8,835 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
8,095 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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?

    If you book a flight to Ontario from Louisville, you will be flying from Louisville Intl, which is the city’s only airport. Louisville Intl (SDF) is located 5.3 mi from the center of Louisville.

  • Can I find flights from Louisville to Region of Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from Louisville to Region of Ontario for under $300. The cheapest flight booked recently is on United Airlines for just $297, but on average you can expect to pay $402.

  • Are there last-minute flights available from Louisville to Region of Ontario for under $500?

    There are currently 2+ open flights from Louisville to Region of Ontario within the next 7 days for less than $500.

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

    One-way options have recently been found by users for as low as $122 on Delta. Other airlines that offer cheap prices include Air Canada from $123 and American Airlines from $130 one-way.

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

    The most popular flight routes from Louisville to Region of Ontario are Louisville Intl - Toronto Pearson Intl, Louisville Intl - Montreal Pierre Elliott Trudeau Intl and Louisville Intl - Ottawa.

  • What does SDF to YYZ mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Louisville Intl Airport to Toronto Pearson Intl Airport flight would often be abbreviated as a SDF to YYZ flight. Ottawa Airport (YOW), Toronto Island Airport (YTZ), London Airport (YXU), Hamilton Airport (YHM), Toronto Region of Waterloo Intl Airport (YKF) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Louisville to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Louisville to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Louisville to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Louisville to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Louisville to Ontario that allow pets onboard?

    Many airlines flying from Louisville to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Louisville to Ontario?

    Yes, you can often find last-minute deals on Louisville to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Louisville to Region of Ontario flight deals updated?

    The Louisville to Region of Ontario flight deals you see on this page were last updated on 10/31.

  • 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 $242). Flying from Louisville to Region of Ontario 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 Ontario

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 Ontario

Discover the top 5 airlines that operate flights from Louisville to Ontario. 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$276Average$398FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$276Average$398FlexibilityNo cancel feeOn-time71%
DeltaCheapest$312Average$404FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$337Average$408FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$553Average$717FlexibilityNo cancel feeOn-time69%
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