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$178+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SDF
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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 11/125:55 pmYOW - SDF
1 stop5h 59mUnited Airlines
Tue 11/188:30 amSDF - YOW
1 stop5h 02mUnited Airlines
Deal found 10/28$349
This United deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:20 amYOW - SDF
1 stop6h 57mMultiple Airlines
Tue 11/186:45 amSDF - YOW
2 stops9h 33mMultiple Airlines
Deal found 10/28$401
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 11/134:15 pmYOW - SDF
1 stop16h 49mMultiple Airlines
Mon 11/177:11 pmSDF - YOW
1 stop22h 14mMultiple Airlines
Deal found 10/28$407
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:40 amYOW - SDF
2 stops11h 56mDelta
Fri 12/1911:42 amSDF - YOW
2 stops13h 00mDelta
Deal found 10/28$539
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/75:14 pmYOW - SDF
1 stop5h 15mUnited Airlines
Mon 11/106:25 amSDF - YOW
1 stop7h 07mUnited Airlines
Deal found 10/28$541
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:20 amYOW - SDF
1 stop5h 12mAir Canada
Fri 12/1910:50 amSDF - YOW
1 stop10h 28mAir Canada
Deal found 10/28$543
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:45 amYOW - SDF
2 stops10h 34mAmerican Airlines
Fri 12/266:27 amSDF - YOW
2 stops10h 24mAmerican Airlines
Deal found 10/29$544
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 12/123:55 pmYOW - SDF
2 stops43h 05mMultiple Airlines
Fri 12/199:08 pmSDF - YOW
1 stop27h 17mMultiple Airlines
Deal found 10/28$549

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$301
(United Airlines)

One-way from

$178
(United Airlines)

Popular in

March

Cheapest in

November

Average price

$617
Provider with most accurate pricing for Ottawa-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Louisville Intl flights.
Search Deals
From Ottawa to Louisville Intl
Search Deals
One-way flight from Ottawa to Louisville Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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

2:15 pm-7:42 pm

1 stop5h 27m

Louisville Intl

Wed 2/25

9:00 am-9:18 pm

1 stop12h 18m

$301

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 2/24

2:50 pm-10:13 pm

2 stops7h 23m

Louisville Intl

Wed 2/25

6:15 am-4:18 pm

2 stops10h 03m

$354

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sun 12/21

6:45 am-5:19 pm

2 stops10h 34m

Louisville Intl

Fri 12/26

6:27 am-4:51 pm

2 stops10h 24m

$544

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sun 12/21

2:15 pm-7:11 pm

1 stop4h 56m

Louisville Intl

Fri 12/26

5:40 am-5:18 pm

1 stop11h 38m

$589

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sun 12/21

5:40 am-2:12 pm

3 stops32h 32m

Louisville Intl

Fri 12/26

5:05 am-11:58 pm

2 stops18h 53m

$811

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 11/28

6:20 am-1:17 pm

1 stop6h 57m

$178

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 12/2

9:45 am-8:42 pm

1 stop10h 57m

$204

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 12/12

5:40 am-5:36 pm

2 stops11h 56m

$210

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 12/2

5:40 am-5:36 pm

2 stops11h 56m

$210

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 12/2

4:15 pm-3:15 pm

3 stops47h 00m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 15 results
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Compare providers for flights from Ottawa to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to Louisville in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ottawa-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ottawa-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ottawa-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Louisville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from Ottawa to Louisville (average of $274). Flying from Ottawa to Louisville in September is currently the most expensive (average of $614). 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 October 30, 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 at noon, which can drop the price by up to 30% versus a flight in the afternoon.

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 5h 27m. Fly via United Airlines or Air Canada to get the fastest option. Ottawa and Louisville are separated by a distance of 715 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ottawa to Louisville one-way?

    The cheapest airlines for a one-way flight from Ottawa to Louisville are United Airlines ($178), Air Canada ($204), and Delta ($210).

  • 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, February is the cheapest month in which you can book a flight from Ottawa to Louisville (average of $274). Flying from Ottawa to Louisville in September is currently the most expensive (average of $614). 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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