C$ 251 Find Cheap Flights from Louisville to Ontario

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 28/8. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Ontario, as well as popular online travel agencies
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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

Tue, 26 May - Sat, 30 May
United Airlines Logo
7:10 a.m. - 9:35 p.m.
SDF
-
YOW
14h 25m
1 stop
United Airlines Logo
5:25 p.m. - 11:49 p.m.
YOW
-
SDF
6h 24m
1 stop
C$ 574United Airlines
Wed, 3 Jun - Thu, 4 Jun
United Airlines Logo
6:30 a.m. - 10:05 p.m.
SDF
-
YOW
15h 35m
1 stop
United Airlines Logo
6:00 a.m. - 10:23 a.m.
YOW
-
SDF
4h 23m
1 stop
C$ 586United Airlines
Wed, 3 Jun - Thu, 4 Jun
United Airlines Logo
10:00 a.m. - 2:17 p.m.
SDF
-
YOW
4h 17m
1 stop
United Airlines Logo
10:44 a.m. - 11:56 p.m.
YOW
-
SDF
13h 12m
1 stop
C$ 588United Airlines
Fri, 31 Jul - Sat, 8 Aug
Multiple Airlines Logo
8:48 p.m. - 2:05 p.m.
SDF
-
YYZ
17h 17m
1 stop
Multiple Airlines Logo
1:30 p.m. - 10:32 a.m.
YYZ
-
SDF
21h 02m
2 stops
C$ 595Multiple Airlines
Fri, 10 Jul - Thu, 23 Jul
Multiple Airlines Logo
9:28 p.m. - 8:40 p.m.
SDF
-
YYZ
23h 12m
1 stop
Multiple Airlines Logo
4:45 p.m. - 7:58 p.m.
YYZ
-
SDF
27h 13m
2 stops
C$ 636Multiple Airlines
Tue, 7 Jul - Tue, 14 Jul
Multiple Airlines Logo
10:34 a.m. - 3:20 p.m.
SDF
-
YYZ
4h 46m
1 stop
Multiple Airlines Logo
6:30 a.m. - 11:26 a.m.
YYZ
-
SDF
28h 56m
1 stop
C$ 667Multiple Airlines
Wed, 27 May - Sat, 30 May
American Airlines Logo
6:01 a.m. - 4:48 p.m.
SDF
-
YYZ
10h 47m
1 stop
American Airlines Logo
11:01 a.m. - 8:25 p.m.
YYZ
-
SDF
9h 24m
1 stop
C$ 701American Airlines
Wed, 3 Jun - Thu, 4 Jun
Air Canada Logo
6:00 a.m. - 1:05 p.m.
SDF
-
YOW
7h 05m
2 stops
Air Canada Logo
9:10 a.m. - 7:18 p.m.
YOW
-
SDF
10h 08m
2 stops
C$ 762Air Canada
Fri, 29 May - Wed, 10 Jun
American Airlines Logo
6:56 p.m. - 11:44 a.m.
SDF
-
YUL
16h 48m
1 stop
American Airlines Logo
12:30 p.m. - 10:19 p.m.
YUL
-
SDF
9h 49m
1 stop
C$ 841American Airlines
Tue, 19 May - Fri, 22 May
Delta Logo
11:25 a.m. - 12:20 a.m.
SDF
-
YOW
12h 55m
2 stops
Delta Logo
6:55 a.m. - 5:12 p.m.
YOW
-
SDF
10h 17m
2 stops
C$ 843Delta
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.

How much is a round-trip flight from Louisville to Region of Ontario?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Louisville to Region of Ontario departing in July.

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 May, when tickets cost C$ 195 (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$ 1,148 and C$ 806 respectively.

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Good to know

Low seasonMay
Cheapest flightC$ 251
Best time to beat the crowds (43% less expensive on average)
Most popular time to fly and prices are also 43% lower 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)