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$363+ Cheap flights from Louisville (SDF) to Ottawa (YOW)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YOW
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Louisville to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Ottawa (YOW). 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 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$363
(United Airlines)
Provider with most accurate pricing for Louisville Intl-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Ottawa flights.
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From Louisville Intl to Ottawa
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Find flight deals from Louisville to Ottawa

Cheapest flights from Louisville to Ottawa
Explore the most affordable flight options available from Louisville to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:51 amSDF - YOW
1 stop7h 34mMultiple Airlines
Fri 11/73:55 pmYOW - SDF
2 stops46h 20mMultiple Airlines
Deal found 10/27$722
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.
Fri 10/319:00 amSDF - YOW
1 stop8h 12mUnited Airlines
Fri 11/76:00 amYOW - SDF
1 stop6h 12mUnited Airlines
Deal found 10/27$788
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:54 pmSDF - YOW
2 stops11h 48mDelta
Fri 11/75:40 amYOW - SDF
2 stops15h 03mDelta
Deal found 10/27$873
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:32 amSDF - YOW
3 stops17h 09mAmerican Airlines
Fri 11/76:45 amYOW - SDF
2 stops9h 44mAmerican Airlines
Deal found 10/27$1,168

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Ottawa 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 29, 2025.
Use the filters below to find and compare flights from Louisville to Ottawa that are best for you.

Fly from

Louisville

Fly to

Ottawa

Route

Depart

Return

Price

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 2/18

10:45 am-4:30 pm

1 stop5h 45m

Ottawa

Sun 2/22

5:48 pm-11:59 pm

1 stop6h 11m

$363

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 2/18

6:15 am-4:18 pm

2 stops10h 03m

Ottawa

Sun 2/22

5:48 pm-11:59 pm

1 stop6h 11m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Louisville to Ottawa

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 Louisville to Ottawa 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 Louisville-Ottawa flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Ottawa flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Ottawa 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 Louisville-Ottawa 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 Louisville to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Louisville 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 Louisville to Ottawa

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

Currently, October is the cheapest month in which you can book a flight from Louisville to Ottawa (average of $194). Flying from Louisville to Ottawa in June is currently the most expensive (average of $473). 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.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Ottawa. 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 Louisville to Ottawa?

    Airlines like United Airlines and Air Canada fly from Louisville to Ottawa in about 5h 45m. The time it takes to get you to your destination can typically vary by up to 4h 18m. The distance from Louisville to Ottawa is about 715 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Ottawa 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 Louisville to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from Louisville to Ottawa (average of $194). Flying from Louisville to Ottawa in June is currently the most expensive (average of $473). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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