$300+ Cheap flights from Ottawa (YOW) to Louisville (SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SDF
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Ottawa to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ottawa to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ottawa to LouisvilleExplore 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, 2026.
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, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/196:15 am -
1 stop7h 20m
Thu 11/267:00 am -
1 stop7h 09m
Deal found 10/27![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/236:15 am -
1 stop7h 20m
Fri 11/277:00 am -
1 stop7h 09m
Deal found 10/26![United Airlines logo]()
$646
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/104:36 pm -
1 stop7h 13m
Fri 12/119:00 am -
1 stop5h 09m
Deal found 10/26![United Airlines logo]()
$656
This Air Canada deal was found by Cheapflights users on 10/27. 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.
Mon 11/2310:50 am -
2 stops10h 02m
Fri 11/2710:27 am -
2 stops9h 25m
Deal found 10/27![Air Canada logo]()
$723
Best flights from Ottawa to LouisvilleDiscover carefully curated flight deals from Ottawa to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Ottawa to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/236:15 am -
1 stop7h 20m
Fri 11/277:00 am -
1 stop7h 09m
Deal found 10/27![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/196:15 am -
1 stop7h 20m
Thu 11/267:00 am -
1 stop7h 09m
Deal found 10/27![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/46:15 am -
1 stop14h 45m
Mon 12/79:00 am -
1 stop12h 16m
Deal found 10/30![United Airlines logo]()
$662
Last-minute flights from Ottawa to LouisvilleDiscover last-minute flight deals from Ottawa to Louisville. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to Louisville. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/196:15 am -
1 stop7h 20m
Thu 11/267:00 am -
1 stop7h 09m
Deal found 10/27![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/236:15 am -
1 stop7h 20m
Fri 11/277:00 am -
1 stop7h 09m
Deal found 10/26![United Airlines logo]()
$646
This Air Canada deal was found by Cheapflights users on 10/27. 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.
Mon 11/2310:50 am -
2 stops10h 02m
Fri 11/2710:27 am -
2 stops9h 25m
Deal found 10/27![Air Canada logo]()
$723
One-way flights from Ottawa to LouisvilleSearch for one-way flight options from Ottawa to Louisville. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Ottawa to Louisville. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/37:00 am -
2 stops13h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/36:15 am -
1 stop14h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$352
Find 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, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $645 (United Airlines) |
One-way from | $300 (Kiwi.com) |
Popular in | January |
Cheapest in | March |
Average price | $584 |
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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Ottawa to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OttawaLouisville
YOW Ottawa - SDF Louisville Intl
YOWSDF
Ottawa
Thu 12/3
7:00 am-10:59 am
3 stops27h 59m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$339
OttawaLouisville
YOW Ottawa - SDF Louisville Intl
YOWSDF
Ottawa
Thu 12/3
6:15 am-9:00 pm
1 stop14h 45m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$352
Quickest round-trip
OttawaLouisville
YOW Ottawa - SDF Louisville Intl
YOWSDF
Ottawa
Mon 11/23
6:15 am-1:35 pm
1 stop7h 20m
Louisville Intl
Fri 11/27
7:00 am-2:09 pm
1 stop7h 09m
$645
OttawaLouisville
YOW Ottawa - SDF Louisville Intl
YOWSDF
Ottawa
Thu 11/19
6:15 am-1:35 pm
1 stop7h 20m
Louisville Intl
Thu 11/26
7:00 am-2:09 pm
1 stop7h 09m
$645
OttawaLouisville
YOW Ottawa - SDF Louisville Intl
YOWSDF
Ottawa
Fri 12/4
6:15 am-9:00 pm
1 stop14h 45m
Louisville Intl
Mon 12/7
9:00 am-9:16 pm
1 stop12h 16m
$662
Sorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ottawa-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Louisville flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
YOW-SDF
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
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.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
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