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$147+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YYZ
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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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 December 18, 2024.

Round-trip from

$318
(United)

One-way from

$147
(Delta)
From Louisville Intl to Ontario
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One-way flight from Louisville Intl to Ontario
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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 December 18, 2024.

This United deal was found by Cheapflights users on 12/17. 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.
Tue 12/318:34 amSDF - YYZ
1 stop8h 12mMultiple Airlines
Tue 1/77:45 amYYZ - SDF
1 stop6h 15mMultiple Airlines
Deal found 12/17$318
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:44 pmSDF - YUL
2 stops22h 46mMultiple Airlines
Thu 1/308:55 amYUL - SDF
3 stops23h 38mMultiple Airlines
Deal found 12/18$515
This Air Canada deal was found by Cheapflights users on 12/17. 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.
Sun 12/298:34 amSDF - YUL
1 stop6h 13mAir Canada
Sat 1/184:45 pmYUL - SDF
1 stop5h 45mAir Canada
Deal found 12/17$524
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/297:00 amSDF - YUL
1 stop7h 47mUnited Airlines
Sat 1/188:35 amYUL - SDF
2 stops12h 02mUnited Airlines
Deal found 12/17$529
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/208:13 pmSDF - YUL
1 stop17h 17mAmerican Airlines
Fri 1/177:30 amYUL - SDF
1 stop14h 14mAmerican Airlines
Deal found 12/17$547
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.
Mon 12/308:34 amSDF - YYZ
1 stop7h 11mUnited Airlines
Sat 1/411:00 amYYZ - SDF
1 stop6h 02mUnited Airlines
Deal found 12/18$579
This WestJet deal was found by Cheapflights users on 12/17. 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.
Tue 12/316:36 amSDF - YYZ
2 stops16h 59mWestJet
Tue 1/76:15 pmYYZ - SDF
1 stop23h 30mWestJet
Deal found 12/17$635
This WestJet deal was found by Cheapflights users on 12/17. 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.
Sun 12/296:29 pmSDF - YUL
2 stops30h 11mWestJet
Sat 1/186:45 amYUL - SDF
2 stops35h 00mWestJet
Deal found 12/17$660

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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Wed 2/5

10:35 am-7:45 pm

1 stop9h 10m

Toronto Pearson Intl

Thu 2/6

12:45 pm-10:29 pm

1 stop9h 44m

$318

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 1/16

7:05 am-4:58 pm

1 stop9h 53m

Montreal Pierre Elliott Trudeau Intl

Mon 1/20

7:00 am-3:56 pm

1 stop8h 56m

$350

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Thu 3/27

7:02 am-4:46 pm

1 stop9h 44m

Toronto Pearson Intl

Sun 3/30

6:15 am-10:39 am

1 stop4h 24m

$356

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 2/5

8:54 am-4:50 pm

2 stops7h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 2/8

7:14 am-10:05 pm

1 stop14h 51m

$360

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Wed 1/8

6:50 am-11:34 pm

2 stops16h 44m

Toronto Pearson Intl

Thu 1/23

6:00 am-11:34 am

1 stop5h 34m

$398

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 1/16

6:00 am-4:58 pm

1 stop10h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 1/20

6:45 am-8:54 pm

2 stops14h 09m

$436

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 2/5

3:20 pm-1:23 pm

2 stops22h 03m

Ottawa

Thu 2/6

5:00 pm-10:30 pm

1 stop5h 30m

$495

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Mon 12/30

6:44 pm-5:30 pm

2 stops22h 46m

Montreal Pierre Elliott Trudeau Intl

Thu 1/30

8:55 am-8:33 am

3 stops23h 38m

$515

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 12/29

8:34 am-2:47 pm

1 stop6h 13m

Montreal Pierre Elliott Trudeau Intl

Sat 1/18

4:45 pm-10:30 pm

1 stop5h 45m

$524

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 12/29

7:00 am-2:47 pm

1 stop7h 47m

Montreal Pierre Elliott Trudeau Intl

Sat 1/18

8:35 am-8:37 pm

2 stops12h 02m

$529

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 22 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 $243). 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 December 18, 2024.
To help decide which airline to fly from Louisville to Ontario, see what other customers have to say about United Airlines, WestJet 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
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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
9,055 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

WestJet
7.3
Good
2,818 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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
8,382 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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.

  • 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 $147 on Delta. Other airlines that offer cheap prices include American Airlines from $152 and WestJet from $217 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 - Montreal Pierre Elliott Trudeau Intl, Louisville Intl - Toronto Pearson Intl and Louisville Intl - London.

  • 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 $243). 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$276Average$398FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$276Average$476FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$284Average$398FlexibilityNo cancel feeOn-time71%
DeltaCheapest$312Average$404FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$331Average$411FlexibilityNo cancel feeOn-time60%
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