How long does it take to fly to Louisville?

If you’re flying from a popular airport in Region of Ontario, such as Toronto or Ottawa, and flying into Louisville, then you can expect flight times to average 1h 37m and 4h 24m, respectively.

What airlines fly to Louisville?

Air Canada, WestJet and American Airlines are the top three most popular airlines that fly to Louisville from Region of Ontario according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 3 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

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

United Airlines, Delta, and WestJet are the most popular carriers operating from Ontario to Louisville Intl

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

Prices for flights from Ontario to Louisville Intl Airport refresh daily.

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

The number of operators available for flights from Ontario to Louisville Intl Airport is 2 as of October 2025.

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

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 Ontario to Louisville Intl Airport.

What documentation or ID do you need to fly to Louisville Intl Airport?

The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$158 Cheap Flights from Ontario to Louisville in 2025/26

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Cheap round-trip flights

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2:15 pm - 6:49 pmYOW-SDF

4h 34m1 stop

6:15 am - 1:34 pmSDF-YOW

7h 19m1 stop

$301United Airlines

Find Deal

Tue, Feb 24 - Wed, Feb 25

5:14 pm - 10:09 pmYOW-SDF

4h 55m1 stop

8:15 am - 1:34 pmSDF-YOW

5h 19m1 stop

$302United Airlines

Find Deal

Tue, Feb 24 - Wed, Feb 25

1:05 pm - 9:08 pmYYZ-SDF

8h 03m1 stop

7:00 am - 3:45 pmSDF-YYZ

8h 45m1 stop

$328American Airlines

Find Deal

Tue, Feb 24 - Thu, Feb 26

11:30 am - 11:21 pmYYZ-SDF

11h 51m1 stop

8:08 am - 4:03 pmSDF-YYZ

7h 55m1 stop

$338American Airlines

Find Deal

Tue, Jan 13 - Wed, Jan 14

9:35 am - 6:16 pmYYZ-SDF

8h 41m1 stop

9:38 am - 8:08 pmSDF-YYZ

10h 30m2 stops

$339Multiple Airlines

Find Deal

Mon, Nov 17 - Fri, Nov 21

12:50 pm - 11:45 pmYYZ-SDF

10h 55m1 stop

6:00 am - 2:20 pmSDF-YYZ

8h 20m1 stop

$340Multiple Airlines

Find Deal

Fri, Dec 12 - Sun, Dec 14

9:45 am - 6:49 pmYOW-SDF

9h 04m1 stop

1:55 pm - 10:18 pmSDF-YOW

8h 23m2 stops

$354Air Canada

Find Deal

Tue, Feb 24 - Wed, Feb 25

2:50 pm - 10:09 pmYOW-SDF

7h 19m2 stops

1:55 pm - 10:18 pmSDF-YOW

8h 23m2 stops

$355Air Canada

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Tue, Feb 24 - Wed, Feb 25

5:40 am - 8:43 pmYOW-SDF

15h 03m2 stops

3:09 pm - 12:42 amSDF-YOW

9h 33m2 stops

$402Delta

Find Deal

Fri, Nov 7 - Mon, Nov 10

5:40 am - 8:43 pmYOW-SDF

15h 03m2 stops

3:09 pm - 12:42 amSDF-YOW

9h 33m2 stops

$403Delta

Find Deal

Fri, Nov 7 - Mon, Nov 10

United Airlines flights from Region of Ontario to Louisville

Our best United Airlines deals on Region of Ontario to Louisville flight tickets

United Airlines

Feb 24

YOW2:15 pmOttawa

4h 34m

1 stop

SDF6:49 pmLouisville Intl

Feb 25

SDF6:15 amLouisville Intl

7h 19m

1 stop

YOW1:34 pmOttawa

$301

Find similar

United Airlines

Feb 24

YOW5:14 pmOttawa

4h 55m

1 stop

SDF10:09 pmLouisville Intl

Feb 25

SDF8:15 amLouisville Intl

5h 19m

1 stop

YOW1:34 pmOttawa

$302

Find similar

United Airlines

Feb 25

YYZ9:00 amToronto Pearson Intl

13h 09m

1 stop

SDF10:09 pmLouisville Intl

Feb 26

SDF5:35 amLouisville Intl

12h 59m

1 stop

YYZ6:34 pmToronto Pearson Intl

$331

Find similar

Air Canada flights from Region of Ontario to Louisville

Our best Air Canada deals on Region of Ontario to Louisville flight tickets

Air Canada

Feb 24

YOW9:45 amOttawa

9h 04m

1 stop

SDF6:49 pmLouisville Intl

Feb 25

SDF1:55 pmLouisville Intl

8h 23m

2 stops

YOW10:18 pmOttawa

$354

Find similar

Air Canada

Feb 24

YOW2:50 pmOttawa

7h 19m

2 stops

SDF10:09 pmLouisville Intl

Feb 25

SDF1:55 pmLouisville Intl

8h 23m

2 stops

YOW10:18 pmOttawa

$355

Find similar

Air Canada

Nov 7

YOW5:14 pmOttawa

5h 15m

1 stop

SDF10:29 pmLouisville Intl

Nov 10

SDF11:00 amLouisville Intl

8h 18m

2 stops

YOW7:18 pmOttawa

$481

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 2/24

2:15 pm-6:49 pm

1 stop4h 34m

Louisville Intl

Wed 2/25

6:15 am-1:34 pm

1 stop7h 19m

$301

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 2/24

5:14 pm-10:09 pm

1 stop4h 55m

Louisville Intl

Wed 2/25

8:15 am-1:34 pm

1 stop5h 19m

$302

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 2/24

1:05 pm-9:08 pm

1 stop8h 03m

Louisville Intl

Thu 2/26

7:00 am-3:45 pm

1 stop8h 45m

$328

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 1/13

11:30 am-11:21 pm

1 stop11h 51m

Louisville Intl

Wed 1/14

8:08 am-4:03 pm

1 stop7h 55m

$338

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 11/17

9:35 am-6:16 pm

1 stop8h 41m

Louisville Intl

Fri 11/21

9:38 am-8:08 pm

2 stops10h 30m

$339

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 12/12

12:50 pm-11:45 pm

1 stop10h 55m

Louisville Intl

Sun 12/14

6:00 am-2:20 pm

1 stop8h 20m

$340

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 2/24

9:45 am-6:49 pm

1 stop9h 04m

Louisville Intl

Wed 2/25

1:55 pm-10:18 pm

2 stops8h 23m

$354

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 2/24

2:50 pm-10:09 pm

2 stops7h 19m

Louisville Intl

Wed 2/25

1:55 pm-10:18 pm

2 stops8h 23m

$355

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 11/7

5:40 am-8:43 pm

2 stops15h 03m

Louisville Intl

Mon 11/10

3:09 pm-12:42 am

2 stops9h 33m

$402

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 11/7

5:40 am-8:43 pm

2 stops15h 03m

Louisville Intl

Mon 11/10

3:09 pm-12:42 am

2 stops9h 33m

$403

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How to get the cheapest flight ticket from Region of Ontario to Louisville

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

Other information

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of February, then departing from Region of Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $328.

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

On average, the least expensive day to fly to Louisville from Region of Ontario is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $271. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Region of Ontario to Louisville on a Monday will generally be more expensive and average around $503. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Region of Ontario to Louisville flights are usually those with departure times in the afternoon. Our users have found flights to Louisville in the afternoon for as low as $327. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $473 per ticket.

Cheap Region of Ontario to Louisville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Louisville

Direct flights	None

There are no direct flights from Region of Ontario to Louisville. There are no popular flight routes from Region of Ontario to Louisville.

Search flight deals

When did momondo last update prices for flights from Ontario to Louisville Intl Airport?
Prices for flights from Ontario to Louisville Intl Airport refresh daily.
How many operators does momondo search for flights from Ontario to Louisville Intl Airport?
The number of operators available for flights from Ontario to Louisville Intl Airport is 2 as of October 2025.
How old do you have to be to fly from Ontario to Louisville Intl Airport?
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 Ontario to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Region of Ontario to Louisville

Compare and see reviews for airlines that fly from Region of Ontario to Louisville with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $296	Free Cancellation	Rating 7.2 3,111 reviews		Search WestJet flights

French Lick

Elizabethtown

West Baden Springs

Bardstown

Jeffersonville

Shepherdsville

New Albany

Corydon

Elizabeth

Charlestown

Springfield

Georgetown

Brandenburg

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from Ontario.

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

momondo does allow users to show only those flights to Louisville from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Louisville from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Louisville, momondo offers a useful price alert feature which will track prices for flights to Louisville from Ontario and alert you when they change.

An easier way to manage your Louisville trip

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Cheap flights from Ontario to Louisville from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Louisville departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

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Filter for what you want

Trusted and free

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Find the cheapest flights from Ontario to Louisville

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United Airlines flights from Region of Ontario to Louisville

Our best United Airlines deals on Region of Ontario to Louisville flight tickets

Air Canada flights from Region of Ontario to Louisville

Our best Air Canada deals on Region of Ontario to Louisville flight tickets

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

See travel insights to Louisville from

How to get the cheapest flight ticket from Region of Ontario to Louisville

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

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of February, then departing from Region of Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $328.

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

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

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

United Airlines, Delta, and WestJet are the most popular carriers operating from Ontario to Louisville Intl

What airlines fly to Louisville?

How long does it take to fly to Louisville?

If you’re flying from a popular airport in Region of Ontario, such as Toronto or Ottawa, and flying into Louisville, then you can expect flight times to average 1h 37m and 4h 24m, respectively.

Cheap Region of Ontario to Louisville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Louisville

Direct flights

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

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

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

What documentation or ID do you need to fly to Louisville Intl Airport?

Best airlines flying from Region of Ontario to Louisville

Compare and see reviews for airlines that fly from Region of Ontario to Louisville with momondo

Traveling to a place near Louisville?

Why use momondo?

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

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

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

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

An easier way to manage your Louisville 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 the United States

Airports servicing Kentucky