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$186+ Cheap flights from Ottawa (YOW) to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SDF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ottawa to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$585
(United Airlines)

One-way from

$186
(Kiwi.com)

Popular in

October

Cheapest in

November

Average price

$631
From Ottawa to Louisville Intl
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One-way flight from Ottawa to Louisville Intl
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Highest demand for flights based on searches. 4% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ottawa to Louisville

Cheapest flights from Ottawa to Louisville
Explore the most affordable flight options available from Ottawa to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:00 amYOW - SDF
2 stops26h 19mMultiple Airlines
Sun 9/218:23 amSDF - YOW
1 stop8h 57mMultiple Airlines
Deal found 9/10$543
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:20 amYOW - SDF
1 stop14h 24mUnited Airlines
Mon 11/1011:00 amSDF - YOW
1 stop10h 18mUnited Airlines
Deal found 9/11$590
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:15 pmYOW - SDF
2 stops21h 50mWestJet
Sun 9/2112:48 pmSDF - YOW
2 stops17h 57mWestJet
Deal found 9/10$861
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:33 amYOW - SDF
1 stop6h 44mUnited Airlines
Sun 9/217:20 amSDF - YOW
1 stop14h 15mUnited Airlines
Deal found 9/10$881

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Ottawa to Louisville that are best for you.

Fly from

Ottawa

Fly to

Louisville

Route

Depart

Return

Price

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 2/24

6:00 am-1:17 pm

1 stop7h 17m

Louisville Intl

Wed 2/25

1:55 pm-11:43 pm

1 stop9h 48m

$585

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 11/7

6:20 am-8:44 pm

1 stop14h 24m

Louisville Intl

Mon 11/10

11:00 am-9:18 pm

1 stop10h 18m

$590

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 2/24

5:57 pm-11:55 pm

1 stop5h 58m

Louisville Intl

Wed 2/25

1:55 pm-10:18 pm

2 stops8h 23m

$639

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 2/24

5:40 am-4:33 pm

2 stops10h 53m

Louisville Intl

Wed 2/25

11:45 am-12:39 am

2 stops12h 54m

$717

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 11/11

4:15 pm-9:59 am

1 stop17h 44m

$218

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Mon 11/10

6:45 am-11:45 pm

2 stops17h 00m

$247

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Wed 11/12

5:45 pm-4:12 pm

3 stops46h 27m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Ottawa to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Louisville

What is the cheapest month to book a flight from Ottawa to Louisville?

Currently, January is the cheapest month in which you can book a flight from Ottawa to Louisville (average of $299). Flying from Ottawa to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YOW to SDF?

Find hourly flight availability from Ottawa to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Ottawa to Louisville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 22% versus a flight at noon.

How much does it cost to fly round-trip from Ottawa to Louisville?

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to Louisville?

    There are many flights that can get you from Ottawa to Louisville in 7h 17m. Fly via United Airlines to get the fastest option. Ottawa and Louisville are separated by a distance of 715 mi.

  • Can I find deals for flights from Ottawa to Louisville that include hotel bookings?

    Yes. In addition to deals on Ottawa to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Louisville.

  • Can I find deals for business class flights from Ottawa to Louisville?

    Yes. Cheapflights offers flight deals from Ottawa to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Louisville (average of $299). Flying from Ottawa to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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