C$ 256 Find Cheap Flights from Louisville to Ontario – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Ontario departing on 15/7. 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, 0 bags

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Cheap Flights from Louisville to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Ontario 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 Louisville to Ontario

Fri, 14 Aug - Wed, 19 Aug
Multiple Airlines Logo
9:10 p.m. - 2:05 p.m.
SDF
-
YYZ
16h 55m
1 stop
Multiple Airlines Logo
4:45 p.m. - 6:15 p.m.
YYZ
-
SDF
25h 30m
2 stops
C$ 559Multiple Airlines
Fri, 7 Aug - Wed, 12 Aug
Multiple Airlines Logo
9:28 p.m. - 8:40 p.m.
SDF
-
YYZ
23h 12m
1 stop
Multiple Airlines Logo
9:30 a.m. - 10:32 a.m.
YYZ
-
SDF
25h 02m
2 stops
C$ 565Multiple Airlines
Fri, 7 Aug - Wed, 12 Aug
Multiple Airlines Logo
9:28 p.m. - 8:40 p.m.
SDF
-
YYZ
23h 12m
1 stop
Multiple Airlines Logo
9:30 a.m. - 10:32 a.m.
YYZ
-
SDF
25h 02m
2 stops
C$ 571Multiple Airlines
Wed, 29 Jul - Wed, 5 Aug
United Airlines Logo
10:05 a.m. - 2:40 p.m.
SDF
-
YUL
4h 35m
1 stop
United Airlines Logo
3:25 p.m. - 8:25 p.m.
YUL
-
SDF
5h 00m
1 stop
C$ 721United Airlines
Thu, 16 Jul - Wed, 22 Jul
American Airlines Logo
7:37 a.m. - 3:19 p.m.
SDF
-
YUL
7h 42m
1 stop
American Airlines Logo
1:05 p.m. - 5:36 p.m.
YUL
-
SDF
4h 31m
1 stop
C$ 723American Airlines
Tue, 25 Aug - Wed, 26 Aug
United Airlines Logo
10:05 a.m. - 2:40 p.m.
SDF
-
YUL
4h 35m
1 stop
United Airlines Logo
2:20 p.m. - 7:15 p.m.
YUL
-
SDF
4h 55m
1 stop
C$ 737United Airlines
Thu, 16 Jul - Wed, 22 Jul
Air Canada Logo
6:00 a.m. - 12:01 p.m.
SDF
-
YUL
6h 01m
2 stops
Air Canada Logo
1:10 p.m. - 8:25 p.m.
YUL
-
SDF
7h 15m
1 stop
C$ 771Air Canada
Wed, 5 Aug - Sat, 8 Aug
WestJet Logo
3:25 p.m. - 7:05 a.m.
SDF
-
YUL
15h 40m
2 stops
WestJet Logo
9:30 a.m. - 6:51 p.m.
YUL
-
SDF
9h 21m
1 stop
C$ 823WestJet
Wed, 2 Sep - Mon, 7 Sep
WestJet Logo
3:25 p.m. - 7:05 a.m.
SDF
-
YUL
15h 40m
2 stops
WestJet Logo
8:00 p.m. - 12:20 p.m.
YUL
-
SDF
16h 20m
2 stops
C$ 840WestJet
Sat, 22 Aug - Wed, 26 Aug
Air Canada Logo
7:10 a.m. - 1:59 p.m.
SDF
-
YOW
6h 49m
1 stop
Air Canada Logo
9:55 a.m. - 8:36 p.m.
YOW
-
SDF
10h 41m
2 stops
C$ 985Air Canada
Booking Insights

KAYAK's insights & trends for Louisville to Ontario flights

Get data-powered insights and trends into flights from Louisville to Ontario to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Louisville to Ontario?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Louisville to Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Louisville to Ontario is June, when tickets cost C$ 341 (return) on average. On the other hand, the most expensive months are November and September, when the average cost of round-trip tickets is C$ 1,195 and C$ 839 respectively.

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Good to know

Low seasonMarch
Cheapest flightC$ 256
Best time to beat the crowds (36% less expensive on average)
Most popular time to fly (58% more expensive on average)
Flight from Louisville to Toronto

FAQs - booking Ontario flights

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

    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 Louisville to Ontario.

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

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

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

    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 from Louisville to Ontario with an airline and back with another airline.

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

    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 from Louisville to 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 from Louisville to Ontario

Information on your arrival and departure airports

Louisville (SDF)