$159 Find Cheap Flights from Ontario to Louisville

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Louisville departing on 7/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Cheap Flights from Ontario to Louisville

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Louisville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Louisville

Sun, Aug 24 - Sun, Aug 31
 Logo
7:45 am - 6:17 pmYYZ-SDF
10h 32m1 stop
 Logo
2:46 pm - 2:25 pmSDF-YYZ
23h 39m2 stops
Sun, Aug 24 - Sun, Aug 31
 Logo
7:45 am - 6:17 pmYYZ-SDF
10h 32m1 stop
 Logo
6:57 pm - 2:25 pmSDF-YYZ
19h 28m1 stop
Thu, Aug 7 - Wed, Aug 13
American Airlines Logo
1:16 pm - 11:02 pmYYZ-SDF
9h 46m1 stop
American Airlines Logo
6:44 am - 2:34 pmSDF-YYZ
7h 50m1 stop
$324American Airlines
Find Deal
Thu, Aug 14 - Mon, Aug 18
United Airlines Logo
8:15 am - 4:51 pmYYZ-SDF
8h 36m1 stop
United Airlines Logo
7:00 am - 8:44 pmSDF-YYZ
13h 44m1 stop
$401United Airlines
Find Deal
Fri, Aug 1 - Mon, Aug 4
American Airlines Logo
12:45 pm - 7:29 pmYYZ-SDF
6h 44m1 stop
American Airlines Logo
2:33 pm - 11:29 pmSDF-YYZ
8h 56m1 stop
$412American Airlines
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Wed, Sep 17 - Mon, Sep 22
United Airlines Logo
10:00 am - 10:24 pmYYZ-SDF
12h 24m1 stop
United Airlines Logo
7:36 pm - 11:49 amSDF-YYZ
16h 13m1 stop
$418United Airlines
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Fri, Sep 12 - Sun, Sep 14
Delta Logo
12:14 pm - 5:53 pmYYZ-SDF
5h 39m1 stop
Delta Logo
6:00 am - 11:37 amSDF-YYZ
5h 37m1 stop
$443Delta
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Fri, Sep 12 - Sun, Sep 14
Delta Logo
6:13 pm - 10:39 pmYYZ-SDF
4h 26m1 stop
Delta Logo
6:00 am - 10:21 amSDF-YYZ
4h 21m1 stop
$444Delta
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Fri, Aug 1 - Mon, Aug 4
WestJet Logo
2:30 pm - 8:55 pmYYZ-SDF
6h 25m1 stop
WestJet Logo
6:00 am - 6:14 amSDF-YYZ
24h 14m2 stops
$559WestJet
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Thu, Aug 14 - Mon, Aug 18
WestJet Logo
4:11 pm - 9:15 pmYYZ-SDF
5h 04m1 stop
WestJet Logo
3:11 pm - 6:14 amSDF-YYZ
15h 03m2 stops
$566WestJet
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Good to know

Low seasonJanuary
High seasonFebruary
Cheapest flight$159
Best time to beat the crowds but there is an average 16% increase in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from Toronto to Louisville

FAQs for booking flights from Ontario to Louisville

  • How does KAYAK find such low prices on flights from Ontario to Louisville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Louisville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Louisville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Louisville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Louisville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Louisville

Information on the airport you'll fly into in Louisville

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