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

Delta is the most popular carrier operating from Louisville Intl to Toronto

What airlines fly to Toronto?

Air Canada, United Airlines and American Airlines 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 60% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 4 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 are 2 operators available for flights from Louisville Intl Airport to Toronto as of August 2026.

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.

$168 Cheap Flights from Louisville to Toronto in 2026

Discover deals from 900+ travel sites with momondo.

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.

9:42 pm - 8:40 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

22h 58m1 stop Fort Myers SW Florida Intl

6:00 am - 9:52 amYYZ Toronto Pearson Intl-SDF Louisville Intl

3h 52m1 stop Detroit Metropolitan Wayne County

$450Multiple Airlines

Fri, Sep 18 - Sun, Sep 20

9:09 pm - 8:55 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

23h 46m2 stops Tampa Fort Lauderdale

6:30 am - 10:35 amYYZ Toronto Pearson Intl-SDF Louisville Intl

28h 05m1 stop Fort Lauderdale

$456Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

9:09 pm - 2:55 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

17h 46m1 stop Tampa

6:34 pm - 11:59 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 25m1 stop Atlanta Hartsfield-Jackson

$468Multiple Airlines

Thu, Sep 10 - Mon, Sep 14

9:09 pm - 2:55 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

17h 46m1 stop Tampa

6:30 am - 8:29 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

13h 59m2 stops Fort Lauderdale Tampa

$468Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

2:47 pm - 11:26 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

8h 39m1 stop Chicago O'Hare Intl

11:53 am - 5:14 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 21m1 stop Charlotte Douglas

$567American Airlines

Sat, Sep 26 - Sat, Oct 3

3:43 pm - 9:59 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

6h 16m1 stop Atlanta Hartsfield-Jackson

6:34 pm - 11:59 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 25m1 stop Atlanta Hartsfield-Jackson

$570Delta

Mon, Sep 14 - Thu, Sep 24

5:58 pm - 11:41 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 43m1 stop New York LaGuardia

9:45 am - 2:24 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

4h 39m1 stop Detroit Metropolitan Wayne County

$570Delta

Mon, Nov 9 - Thu, Nov 12

10:32 am - 3:15 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

4h 43m1 stop Detroit Metropolitan Wayne County

6:34 pm - 11:59 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 25m1 stop Atlanta Hartsfield-Jackson

$570Delta

Thu, Sep 10 - Mon, Sep 14

6:00 am - 4:47 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

10h 47m1 stop Washington, D.C. Reagan-National

6:00 am - 11:12 amYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 12m1 stop Charlotte Douglas

$604American Airlines

Thu, Oct 15 - Thu, Oct 22

11:04 am - 5:19 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

6h 15m1 stop Atlanta Hartsfield-Jackson

6:34 pm - 11:59 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 25m1 stop Atlanta Hartsfield-Jackson

$608Delta

Tue, Sep 15 - Sat, Sep 19

Cheap last minute flights

Enter your travel dates to find the best prices.

5:59 pm - 11:41 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 42m1 stop New York LaGuardia

6:10 am - 11:57 amYYZ Toronto Pearson Intl-SDF Louisville Intl

29h 47m2 stops Edmonton Minneapolis St Paul

$725WestJet

Wed, Sep 2 - Fri, Oct 9

6:28 am - 10:59 amSDF Louisville Intl-YYZ Toronto Pearson Intl

4h 31m1 stop Chicago O'Hare Intl

7:24 pm - 12:08 amYYZ Toronto Pearson Intl-SDF Louisville Intl

4h 44m1 stop Charlotte Douglas

$748American Airlines

Wed, Sep 2 - Fri, Oct 9

6:08 am - 1:26 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

7h 18m1 stop Washington, D.C. Reagan-National

3:14 pm - 9:25 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 11m1 stop Chicago O'Hare Intl

$762American Airlines

Sat, Sep 5 - Mon, Sep 7

12:35 pm - 6:34 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 59m1 stop Minneapolis St Paul

6:10 am - 9:54 amYYZ Toronto Pearson Intl-SDF Louisville Intl

3h 44m1 stop Detroit Metropolitan Wayne County

$804WestJet

Thu, Sep 3 - Sun, Sep 6

3:25 pm - 6:55 amSDF Louisville Intl-YYZ Toronto Pearson Intl

15h 30m2 stops Atlanta Hartsfield-Jackson Calgary

8:00 pm - 12:54 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

16h 54m2 stops Calgary Atlanta Hartsfield-Jackson

$844WestJet

Wed, Sep 2 - Fri, Oct 9

1:15 pm - 7:00 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

5h 45m1 stop Newark

2:05 pm - 11:59 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

9h 54m2 stops Ottawa Chicago O'Hare Intl

$853United Airlines

Sat, Sep 5 - Mon, Sep 7

6:00 am - 8:50 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

14h 50m2 stops Atlanta Hartsfield-Jackson Vancouver Intl

12:09 pm - 5:19 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

5h 10m1 stop Detroit Metropolitan Wayne County

$876WestJet

Thu, Sep 3 - Sun, Sep 6

7:55 am - 11:19 amSDF Louisville Intl-YYZ Toronto Pearson Intl

3h 24m1 stop Detroit Metropolitan Wayne County

6:10 am - 9:54 amYYZ Toronto Pearson Intl-SDF Louisville Intl

3h 44m1 stop Detroit Metropolitan Wayne County

$881WestJet

Tue, Sep 1 - Wed, Sep 2

3:25 pm - 11:57 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

8h 32m1 stop Atlanta Hartsfield-Jackson

6:00 am - 12:21 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 21m1 stop Atlanta Hartsfield-Jackson

$904Delta

Fri, Sep 4 - Mon, Sep 7

10:34 am - 3:20 pmSDF Louisville Intl-YYZ Toronto Pearson Intl

4h 46m1 stop Detroit Metropolitan Wayne County

1:38 pm - 7:42 pmYYZ Toronto Pearson Intl-SDF Louisville Intl

6h 04m1 stop Atlanta Hartsfield-Jackson

$904Delta

Thu, Sep 3 - Sun, Sep 6

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Delta flights from Louisville to Toronto

Our best Delta deals on Louisville to Toronto flight tickets

Delta

Sep 10

SDF10:32 amLouisville Intl

4h 43m

1 stop

YYZ3:15 pmToronto Pearson Intl

Sep 14

YYZ6:34 pmToronto Pearson Intl

5h 25m

1 stop

SDF11:59 pmLouisville Intl

$570

Delta

Sep 12

SDF6:00 amLouisville Intl

6h 19m

1 stop

YYZ12:19 pmToronto Pearson Intl

Sep 18

YYZ6:00 amToronto Pearson Intl

14h 43m

1 stop

SDF8:43 pmLouisville Intl

$619

Delta

Sep 9

SDF11:45 amLouisville Intl

11h 54m

1 stop

YYZ11:39 pmToronto Pearson Intl

Sep 16

YYZ6:00 amToronto Pearson Intl

8h 07m

1 stop

SDF2:07 pmLouisville Intl

$690

WestJet flights from Louisville to Toronto

Our best WestJet deals on Louisville to Toronto flight tickets

WestJet

Oct 10

SDF5:33 pmLouisville Intl

15h 16m

1 stop

YYZ8:49 amToronto Pearson Intl

Oct 13

YYZ6:00 amToronto Pearson Intl

3h 59m

1 stop

SDF9:59 amLouisville Intl

$577

WestJet

Sep 19

SDF4:29 pmLouisville Intl

6h 44m

1 stop

YYZ11:13 pmToronto Pearson Intl

Sep 26

YYZ6:15 amToronto Pearson Intl

5h 39m

1 stop

SDF11:54 amLouisville Intl

$579

WestJet

Sep 25

SDF6:00 amLouisville Intl

4h 23m

1 stop

YYZ10:23 amToronto Pearson Intl

Sep 27

YYZ6:00 amToronto Pearson Intl

3h 52m

1 stop

SDF9:52 amLouisville Intl

$590

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Fri 9/18

9:42 pm-8:40 pm

1 stop22h 58m

Toronto Pearson Intl

Sun 9/20

6:00 am-9:52 am

1 stop3h 52m

$450

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 9/10

9:09 pm-8:55 pm

2 stops23h 46m

Toronto Pearson Intl

Thu 9/17

6:30 am-10:35 am

1 stop28h 05m

$456

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 9/10

9:09 pm-2:55 pm

1 stop17h 46m

Toronto Pearson Intl

Mon 9/14

6:34 pm-11:59 pm

1 stop5h 25m

$468

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 10/15

9:09 pm-2:55 pm

1 stop17h 46m

Toronto Pearson Intl

Thu 10/22

6:30 am-8:29 pm

2 stops13h 59m

$468

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Sat 9/26

2:47 pm-11:26 pm

1 stop8h 39m

Toronto Pearson Intl

Sat 10/3

11:53 am-5:14 pm

1 stop5h 21m

$567

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Mon 9/14

3:43 pm-9:59 pm

1 stop6h 16m

Toronto Pearson Intl

Thu 9/24

6:34 pm-11:59 pm

1 stop5h 25m

$570

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Mon 11/9

5:58 pm-11:41 pm

1 stop5h 43m

Toronto Pearson Intl

Thu 11/12

9:45 am-2:24 pm

1 stop4h 39m

$570

Quickest round-trip

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 9/10

10:32 am-3:15 pm

1 stop4h 43m

Toronto Pearson Intl

Mon 9/14

6:34 pm-11:59 pm

1 stop5h 25m

$570

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Thu 10/15

6:00 am-4:47 pm

1 stop10h 47m

Toronto Pearson Intl

Thu 10/22

6:00 am-11:12 am

1 stop5h 12m

$604

LouisvilleToronto

SDF Louisville Intl - YYZ Toronto Pearson Intl

SDFYYZ

Louisville Intl

Tue 9/15

11:04 am-5:19 pm

1 stop6h 15m

Toronto Pearson Intl

Sat 9/19

6:34 pm-11:59 pm

1 stop5h 25m

$608

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 cheapest month to fly to Toronto?

The month of January is, on average, the cheapest month to fly to Toronto from Louisville, with most prices found around $516. If you are unable to visit Toronto during the month of January, then departing from Louisville during the month May is also very affordable. Most momondo users find prices during this month for around $561.

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

Best Price Found	$168
Fastest flight time	4h 23m
Direct flights	None

The best one-way flight to Toronto from Louisville in the past 72 hours is $168. The best round-trip flight deal from Louisville to Toronto found on momondo in the last 72 hours is $450.

The fastest flight from Louisville to Toronto takes 4h 23m

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

Search flight deals

Frequently asked questions about flying from Louisville to Toronto

How far is Louisville Intl to Toronto by plane?
Toronto is 499.2 mi away from Louisville Intl. Typically, this will take 4h 23m 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 are 2 operators available for flights from Louisville Intl Airport to Toronto as of August 2026.
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 100% of the total bookings.

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 $240	Free Cancellation	Rating 7.8 8,533 reviews		Search Delta flights
American Airlines	PriceFrom $446	Free Cancellation	Rating 7.1 12,019 reviews		Search American Airlines 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.

An easier way to manage your Toronto trip

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Fly into one of these airports located in Toronto

Toronto Region of Waterloo Intl Airport

Toronto Island Airport

Toronto Pearson Intl Airport

Cheap flights from Louisville to Toronto from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Toronto departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Louisville to Toronto

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Delta flights from Louisville to Toronto

Our best Delta deals on Louisville to Toronto flight tickets

WestJet flights from Louisville to Toronto

Our best WestJet deals on Louisville to Toronto flight tickets

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Use the filters below to find and compare flights from Louisville to Toronto that are best for you.

See travel insights to Toronto from

How to get the cheapest flight ticket from Louisville to Toronto

What is the cheapest month to fly to Toronto?

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

What airlines fly to Toronto?

When to book flights from Louisville to Toronto

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisville to Toronto

Best airlines flying from Louisville to Toronto

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

Why use momondo?

An easier way to manage your Toronto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Fly into one of these airports located in Toronto

Airports listed have a maximum distance of 52.0 mi from Toronto

Fly your favorite airline to Toronto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Toronto

List of cabin classes available on flights landing in Toronto. Availability may vary depending on flight origin and airline.

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Louisville

According to popular flight searches on momondo this year

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