What is the cheapest airline that flies from Louisville Intl to Toronto?

American Airlines and United Airlines are the most popular carriers operating from Louisville Intl to Toronto

What airlines fly to Toronto?

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to Toronto from Louisville according to our data. Air Canada is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 3 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Toronto?

Prices for flights from Louisville Intl Airport to Toronto are refreshed on a daily basis.

How many operators does momondo search for flights from Louisville Intl Airport to Toronto?

There is 1 operator available for flights from Louisville Intl Airport to Toronto as of December 2025.

How old do you have to be to fly from Louisville Intl Airport to Toronto?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Louisville Intl Airport to Toronto.

What documentation or ID do you need to fly to Toronto?

The required travel and health documents for your Toronto trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Toronto. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$133 Cheap Flights from Louisville to Toronto in 2025/26

Q: What is the typical price of a round-trip flight between Louisville and Toronto?

Prices are currently low for flights on this route. Typical prices usually range from $675 to $730. The lowest price recently found on this route was $267.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Louisville to Toronto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:36 pm - 10:12 pm

SDF

YYZ

30h 36m1 stop

7:15 am - 1:00 pm

YYZ

SDF

29h 45m1 stop

$267Multiple Airlines

Tue, Jan 13 - Tue, Jan 20

3:36 pm - 10:12 pm

SDF

YYZ

30h 36m1 stop

7:15 am - 1:00 pm

YYZ

SDF

29h 45m1 stop

$270Multiple Airlines

Tue, Jan 13 - Tue, Jan 20

3:36 pm - 8:11 pm

SDF

YYZ

28h 35m2 stops

7:15 am - 1:00 pm

YYZ

SDF

29h 45m1 stop

$271Multiple Airlines

Tue, Jan 13 - Tue, Jan 20

3:36 pm - 8:11 pm

SDF

YYZ

28h 35m2 stops

7:15 am - 1:00 pm

YYZ

SDF

29h 45m1 stop

$274Multiple Airlines

Tue, Jan 13 - Tue, Jan 20

1:55 pm - 12:11 am

SDF

YYZ

10h 16m1 stop

3:40 pm - 2:41 pm

YYZ

SDF

23h 01m1 stop

$291Multiple Airlines

Fri, Jan 23 - Mon, Jan 26

1:55 pm - 2:16 pm

SDF

YYZ

24h 21m1 stop

3:40 pm - 2:41 pm

YYZ

SDF

23h 01m1 stop

$305Multiple Airlines

Mon, Jan 12 - Wed, Jan 14

1:55 pm - 12:25 am

SDF

YYZ

10h 30m1 stop

3:40 pm - 1:00 pm

YYZ

SDF

21h 20m2 stops

$318Multiple Airlines

Mon, Jan 12 - Tue, Jan 13

1:55 pm - 12:11 am

SDF

YYZ

10h 16m1 stop

5:15 pm - 2:41 pm

YYZ

SDF

21h 26m2 stops

$322Multiple Airlines

Fri, Jan 23 - Mon, Jan 26

1:55 pm - 12:11 am

SDF

YYZ

10h 16m1 stop

5:15 pm - 3:49 pm

YYZ

SDF

22h 34m1 stop

$345Multiple Airlines

Mon, Jan 19 - Sat, Feb 7

1:55 pm - 12:11 am

SDF

YYZ

10h 16m1 stop

7:40 am - 6:04 pm

YYZ

SDF

10h 24m1 stop

$352Multiple Airlines

Fri, Jan 30 - Fri, Feb 6

American Airlines flights from Louisville to Toronto

Our best American Airlines deals on Louisville to Toronto flight tickets

American Airlines

Jan 31

SDF8:07 amLouisville Intl

7h 56m

1 stop

YYZ4:03 pmToronto Pearson Intl

Feb 7

YYZ1:14 pmToronto Pearson Intl

10h 05m

1 stop

SDF11:19 pmLouisville Intl

$388

Find similar

American Airlines

Jan 13

SDF6:00 amLouisville Intl

10h 35m

1 stop

YYZ4:35 pmToronto Pearson Intl

Jan 20

YYZ10:59 amToronto Pearson Intl

11h 06m

1 stop

SDF10:05 pmLouisville Intl

$422

Find similar

American Airlines

Mar 5

SDF6:00 amLouisville Intl

10h 35m

1 stop

YYZ4:35 pmToronto Pearson Intl

Mar 9

YYZ10:58 amToronto Pearson Intl

10h 41m

1 stop

SDF9:39 pmLouisville Intl

$435

Find similar

United Airlines flights from Louisville to Toronto

Our best United Airlines deals on Louisville to Toronto flight tickets

United Airlines

Jan 29

SDF8:29 amLouisville Intl

11h 16m

1 stop

YYZ7:45 pmToronto Pearson Intl

Feb 1

YYZ9:00 pmToronto Pearson Intl

16h 24m

1 stop

SDF1:24 pmLouisville Intl

$511

Find similar

United Airlines

Jan 29

SDF5:35 amLouisville Intl

11h 04m

1 stop

YYZ4:39 pmToronto Pearson Intl

Feb 1

YYZ12:05 pmToronto Pearson Intl

25h 19m

1 stop

SDF1:24 pmLouisville Intl

$522

Find similar

United Airlines

Mar 5

SDF9:55 amLouisville Intl

8h 08m

1 stop

YYZ6:03 pmToronto Pearson Intl

Mar 9

YYZ6:45 amToronto Pearson Intl

8h 02m

2 stops

SDF2:47 pmLouisville Intl

$670

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Tue 1/13

3:36 pm-10:12 pm

1 stop30h 36m

Toronto Pearson Intl

Tue 1/20

7:15 am-1:00 pm

1 stop29h 45m

$267

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Tue 1/13

3:36 pm-10:12 pm

1 stop30h 36m

Toronto Pearson Intl

Tue 1/20

7:15 am-1:00 pm

1 stop29h 45m

$270

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Tue 1/13

3:36 pm-8:11 pm

2 stops28h 35m

Toronto Pearson Intl

Tue 1/20

7:15 am-1:00 pm

1 stop29h 45m

$271

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Tue 1/13

3:36 pm-8:11 pm

2 stops28h 35m

Toronto Pearson Intl

Tue 1/20

7:15 am-1:00 pm

1 stop29h 45m

$274

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 1/23

1:55 pm-12:11 am

1 stop10h 16m

Toronto Pearson Intl

Mon 1/26

3:40 pm-2:41 pm

1 stop23h 01m

$291

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Mon 1/12

1:55 pm-2:16 pm

1 stop24h 21m

Toronto Pearson Intl

Wed 1/14

3:40 pm-2:41 pm

1 stop23h 01m

$305

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Mon 1/12

1:55 pm-12:25 am

1 stop10h 30m

Toronto Pearson Intl

Tue 1/13

3:40 pm-1:00 pm

2 stops21h 20m

$318

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 1/23

1:55 pm-12:11 am

1 stop10h 16m

Toronto Pearson Intl

Mon 1/26

5:15 pm-2:41 pm

2 stops21h 26m

$322

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Mon 1/19

1:55 pm-12:11 am

1 stop10h 16m

Toronto Pearson Intl

Sat 2/7

5:15 pm-3:49 pm

1 stop22h 34m

$345

LouisvilleToronto

SDF - YYZ

SDFYYZ

Louisville Intl

Fri 1/30

1:55 pm-12:11 am

1 stop10h 16m

Toronto Pearson Intl

Fri 2/6

7:40 am-6:04 pm

1 stop10h 24m

$352

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Toronto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Louisville and Toronto?

What is the cheapest day to depart on your flight to Toronto?

On average, the least expensive day to fly to Toronto from Louisville is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $340. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Thursday, with ticket prices averaging around $448.

What is the cheapest time of day to depart on your flight to Toronto?

At noon is the cheapest time of day to fly from Louisville to Toronto when you can find flight prices for as low as $319. Flying to Toronto at noon is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the morning, with an average ticket price of $376. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Louisville to Toronto

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Toronto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Toronto (SDF to YTO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Toronto

Fastest flight time	3h 54m
Direct flights	None

The fastest flight from Louisville to Toronto takes 3h 54m

There are no direct flights from Louisville to Toronto. There are no popular flight routes from Louisville to Toronto.

Search flight deals

How far is Louisville Intl to Toronto by plane?
Toronto is 499.2 mi away from Louisville Intl. Typically, this will take 3h 54m by plane in normal conditions.
When did momondo last update prices for flights from Louisville Intl Airport to Toronto?
Prices for flights from Louisville Intl Airport to Toronto are refreshed on a daily basis.
How many operators does momondo search for flights from Louisville Intl Airport to Toronto?
There is 1 operator available for flights from Louisville Intl Airport to Toronto as of December 2025.
How old do you have to be to fly from Louisville Intl Airport to Toronto?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Louisville Intl Airport to Toronto.
What documentation or ID do you need to fly to Toronto?
The required travel and health documents for your Toronto trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Toronto. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Louisville to Toronto?
Based on momondo bookings for flights between Louisville and Toronto, the leading airline is Delta, making up 58% of the total bookings. Other popular airlines include WestJet with 42%.

Best airlines flying from Louisville to Toronto

Compare and see reviews for airlines that fly from Louisville to Toronto with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $370	Free Cancellation	Rating 7.9 8,005 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Toronto?

Finding the right flight to Toronto from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Toronto quick and easy, saving you time and money.

Can I find flights from Louisville to Toronto with flexible booking policies on momondo?

Yes. All flights to Toronto from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Louisville to Toronto?

Once all potential Louisville to Toronto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Louisville to Toronto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to Toronto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.