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Cheap flights from Louisville to Ottawa from C$ 223

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YOW
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Louisville to Ottawa

Enter your travel dates to find the best prices.

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 27 January 2026.

Sat 23/56:00 a.m.
SDF
-
YOW
1 stop4h 03m
United Airlines
Sat 30/56:00 a.m.
YOW
-
SDF
1 stop4h 17m
United Airlines
Deal found 24/1C$ 556
Wed 4/22:05 p.m.
SDF
-
YOW
1 stop7h 13m
United Airlines
Sun 8/25:11 p.m.
YOW
-
SDF
1 stop5h 19m
United Airlines
Deal found 25/1C$ 624
Thu 28/57:20 a.m.
SDF
-
YOW
2 stops10h 15m
Delta
Sun 31/55:55 a.m.
YOW
-
SDF
2 stops11h 46m
Delta
Deal found 25/1C$ 646
Wed 4/29:50 a.m.
SDF
-
YOW
2 stops11h 28m
Air Canada
Sun 8/22:15 p.m.
YOW
-
SDF
1 stop5h 28m
Air Canada
Deal found 25/1C$ 746
Thu 28/56:00 a.m.
SDF
-
YOW
2 stops7h 10m
United Airlines
Sun 31/56:00 a.m.
YOW
-
SDF
1 stop6h 17m
United Airlines
Deal found 25/1C$ 876
Sat 23/56:10 a.m.
SDF
-
YOW
3 stops13h 50m
American Airlines
Sat 30/57:00 a.m.
YOW
-
SDF
2 stops16h 59m
American Airlines
Deal found 24/1C$ 1,039

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 629,999 searches. Data last updated 27 January 2026.
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

Sat 23/5

6:00 a.m.-10:03 a.m.

1 stop4h 03m

Ottawa

Sat 30/5

6:00 a.m.-10:17 a.m.

1 stop4h 17m

C$ 556

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 28/5

7:30 a.m.-2:13 p.m.

1 stop6h 43m

Ottawa

Sun 31/5

6:00 a.m.-10:17 a.m.

1 stop4h 17m

C$ 556

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 28/5

7:20 a.m.-5:35 p.m.

2 stops10h 15m

Ottawa

Sun 31/5

5:55 a.m.-5:41 p.m.

2 stops11h 46m

C$ 646

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Sat 23/5

6:10 a.m.-8:00 p.m.

3 stops13h 50m

Ottawa

Sat 30/5

7:00 a.m.-11:59 p.m.

2 stops16h 59m

C$ 1,039

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 28/5

6:10 a.m.-8:00 p.m.

3 stops13h 50m

Ottawa

Sun 31/5

8:40 a.m.-11:59 p.m.

2 stops15h 19m

C$ 1,072

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 4/3

10:45 a.m.-4:30 p.m.

1 stop5h 45m

C$ 223

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 4/3

1:19 p.m.-4:44 p.m.

2 stops27h 25m

C$ 263

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

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 C$ 252). Flying from Louisville to Ottawa in March is currently the most expensive (average of C$ 771). 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?

    There are many flights that can get you from Louisville to Ottawa in 4h 03m. Fly via United Airlines or Delta to get the fastest option. The distance from Louisville to Ottawa is about 1151 km. 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 C$ 252). Flying from Louisville to Ottawa in March is currently the most expensive (average of C$ 771). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Pembroke
Wakefield

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How does Cheapflights help users find flights from Louisville to Ottawa?

Cheapflights helps you search for flights from Louisville to Ottawa via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Louisville to Ottawa?

Cheapflights helps you find that perfect flight to Ottawa from Louisville by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Louisville to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from Louisville shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Louisville to Ottawa become cheaper?

Yes! Start tracking prices for Louisville to Ottawa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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