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.

Which airlines provide the cheapest flights from Louisville to Ontario?

In the past 5 days, the cheapest round-trip tickets from Louisville to Ontario were found on WestJet (C$ 652) and American Airlines (C$ 672).

Which airlines provide the cheapest flights from Louisville to Ontario?

In the past 5 days, the cheapest round-trip tickets from Louisville to Ontario were found on WestJet (C$ 652) and American Airlines (C$ 672).

How long does a flight from Louisville to Ontario take?

The duration of a flight to Ontario depends on your arrival airport. The shortest routes to Ontario from Louisville are to Ottawa , which takes 3h 56m , and Toronto , which takes 4h 23m.

How long does a flight from Louisville to Ontario take?

The duration of a flight to Ontario depends on your arrival airport. The shortest routes to Ontario from Louisville are to Ottawa , which takes 3h 56m , and Toronto , which takes 4h 23m.

C$ 273 CHEAP FLIGHTS from Louisville to Ontario

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Flight Deals

Cheap Flights from Louisville to Ontario

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Louisville to Ontario

Mon, 26 Oct - Fri, 30 Oct

7:08 p.m. - 7:05 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

23h 57m1 stop Fort Lauderdale

7:35 a.m. - 7:20 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

11h 45m1 stop Fort Lauderdale

C$ 530Multiple Airlines

Thu, 5 Nov - Tue, 10 Nov

9:09 p.m. - 4:15 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

19h 06m1 stop Tampa

12:20 p.m. - 3:26 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

27h 06m2 stops Tampa Raleigh-Durham

C$ 559Multiple Airlines

Sat, 5 Sep - Sun, 6 Sep

7:05 a.m. - 1:05 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

18h 00m2 stops Atlanta Hartsfield-Jackson Calgary

6:10 a.m. - 9:19 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

15h 09m1 stop Detroit Metropolitan Wayne County

C$ 652WestJet

Tue, 15 Sep - Tue, 22 Sep

6:00 a.m. - 1:38 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

7h 38m1 stop Washington, D.C. Reagan-National

11:02 a.m. - 9:27 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

10h 25m1 stop Washington, D.C. Reagan-National

C$ 672American Airlines

Thu, 1 Oct - Wed, 14 Oct

9:09 p.m. - 12:25 a.m.SDF Louisville Intl-YUL Montreal Pierre Elliott Trudeau Intl

27h 16m2 stops Tampa Toronto Pearson Intl

6:50 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SDF Louisville Intl

5h 09m1 stop Atlanta Hartsfield-Jackson

C$ 677Multiple Airlines

Thu, 1 Oct - Mon, 5 Oct

9:09 p.m. - 12:25 a.m.SDF Louisville Intl-YUL Montreal Pierre Elliott Trudeau Intl

27h 16m2 stops Tampa Toronto Pearson Intl

6:47 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SDF Louisville Intl

5h 12m1 stop Atlanta Hartsfield-Jackson

C$ 679Multiple Airlines

Sun, 18 Oct - Wed, 21 Oct

9:09 p.m. - 6:20 p.m.SDF Louisville Intl-YUL Montreal Pierre Elliott Trudeau Intl

21h 11m2 stops Tampa Toronto Pearson Intl

5:10 p.m. - 9:13 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SDF Louisville Intl

4h 03m1 stop Detroit Metropolitan Wayne County

C$ 682Multiple Airlines

Wed, 23 Sep - Sat, 26 Sep

6:00 a.m. - 1:38 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

7h 38m1 stop Washington, D.C. Reagan-National

11:02 a.m. - 9:27 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

10h 25m1 stop Washington, D.C. Reagan-National

C$ 688American Airlines

Thu, 15 Oct - Wed, 21 Oct

9:09 p.m. - 6:20 p.m.SDF Louisville Intl-YUL Montreal Pierre Elliott Trudeau Intl

21h 11m2 stops Tampa Toronto Pearson Intl

5:10 p.m. - 9:13 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SDF Louisville Intl

4h 03m1 stop Detroit Metropolitan Wayne County

C$ 690Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

10:56 a.m. - 8:55 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

33h 59m2 stops Raleigh-Durham Fort Lauderdale

6:00 a.m. - 9:52 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

3h 52m1 stop Detroit Metropolitan Wayne County

C$ 698Multiple Airlines

Recent last minute flight deals from Louisville to Ontario

Mon, 24 Aug - Thu, 3 Sep

5:25 p.m. - 11:03 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

5h 38m1 stop Detroit Metropolitan Wayne County

6:00 a.m. - 12:26 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

6h 26m1 stop Atlanta Hartsfield-Jackson

C$ 919Delta

Sat, 22 Aug - Sun, 23 Aug

12:35 p.m. - 11:40 p.m.SDF Louisville Intl-YUL Montreal Pierre Elliott Trudeau Intl

11h 05m1 stop Minneapolis St Paul

7:00 a.m. - 12:21 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SDF Louisville Intl

5h 21m1 stop Atlanta Hartsfield-Jackson

C$ 1,042WestJet

Fri, 21 Aug - Sun, 23 Aug

6:50 a.m. - 6:34 p.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

11h 44m1 stop Minneapolis St Paul

6:15 a.m. - 3:50 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

9h 35m1 stop Minneapolis St Paul

C$ 1,104WestJet

Fri, 21 Aug - Sun, 23 Aug

7:55 a.m. - 11:19 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

3h 24m1 stop Detroit Metropolitan Wayne County

6:15 a.m. - 11:55 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 40m1 stop Minneapolis St Paul

C$ 1,116WestJet

Fri, 21 Aug - Sun, 23 Aug

7:55 a.m. - 11:19 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

3h 24m1 stop Detroit Metropolitan Wayne County

6:15 a.m. - 11:55 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 40m1 stop Minneapolis St Paul

C$ 1,120WestJet

Fri, 21 Aug - Sun, 23 Aug

7:55 a.m. - 11:19 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

3h 24m1 stop Detroit Metropolitan Wayne County

6:15 a.m. - 11:55 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 40m1 stop Minneapolis St Paul

C$ 1,122WestJet

Fri, 21 Aug - Sun, 23 Aug

2:34 p.m. - 8:15 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

17h 41m2 stops Detroit Metropolitan Wayne County Montreal Pierre Elliott Trudeau Intl

6:15 a.m. - 7:11 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

12h 56m1 stop Minneapolis St Paul

C$ 1,126WestJet

Fri, 21 Aug - Sun, 23 Aug

7:55 a.m. - 11:19 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

3h 24m1 stop Detroit Metropolitan Wayne County

4:10 p.m. - 9:19 p.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 09m1 stop Detroit Metropolitan Wayne County

C$ 1,129WestJet

Fri, 21 Aug - Sun, 23 Aug

6:00 a.m. - 10:25 a.m.SDF Louisville Intl-YYZ Toronto Pearson Intl

4h 25m1 stop Atlanta Hartsfield-Jackson

6:15 a.m. - 11:55 a.m.YYZ Toronto Pearson Intl-SDF Louisville Intl

5h 40m1 stop Minneapolis St Paul

C$ 1,131WestJet

Fri, 21 Aug - Sun, 23 Aug

5:25 p.m. - 11:30 p.m.SDF Louisville Intl-YUL Montreal Pierre Elliott Trudeau Intl

6h 05m1 stop Detroit Metropolitan Wayne County

7:00 a.m. - 12:21 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SDF Louisville Intl

5h 21m1 stop Atlanta Hartsfield-Jackson

C$ 1,138WestJet

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.

Prices

Airlines

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

Flight prices are below average for this route right now.

Flights to Region of Ontario from Louisville usually cost between C$ 750 and C$ 1,009 in October.
The lowest price found in the past 5 days was C$ 530 on Multiple Airlines (26 Oct–30 Oct).

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

The cheapest month for flights from Louisville to Ontario is January, when tickets cost C$ 716 (return) on average. On the other hand, the most expensive months are December and November, when the average cost of round-trip tickets is C$ 1,274 and C$ 1,169 respectively.

Find deals

Low season	March
High season	March
Cheapest flight	C$ 273

Best time to beat the crowds (37% less expensive on average)

Most popular time to fly and prices are also 37% lower on average.

Flight from Louisville to Toronto

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

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Information on your arrival and departure airports

Louisville (SDF)

C$ 273 Find Cheap Flights from Louisville to Ontario – Compare and Save

Cheap Flights from Louisville to Ontario

Recent round-trip flight deals from Louisville to Ontario

Recent one-way flight deals from Louisville to Ontario

Recent last minute flight deals from Louisville to Ontario

KAYAK's insights & trends for Louisville to Ontario flights

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

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

Which airlines provide the cheapest flights from Louisville to Ontario?

How long does a flight from Louisville to Ontario take?

Good to know

Low season

High season

Cheapest flight

FAQs - booking Ontario flights

Everything you need to know for your flight from Louisville to Ontario

Information on your arrival and departure airports

Cabin class types available on flights to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Flights to other popular destinations

Flights from other airports in Louisville to Ontario

Flights from Louisville to popular cities in Ontario