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Cheap flights from Louisville to Ottawa from C$ 353

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YOW
27 Aug — 3 Sep1
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 28 July 2026.

Thu 13/811:12 a.m.
SDF
-
YOW
2 stops30h 23m
Multiple Airlines
Mon 17/87:00 a.m.
YOW
-
SDF
1 stop13h 20m
Multiple Airlines
Deal found 24/7C$ 814
Tue 29/95:15 a.m.
SDF
-
YOW
1 stop12h 01m
United Airlines
Sat 3/105:20 p.m.
YOW
-
SDF
1 stop6h 39m
United Airlines
Deal found 26/7C$ 942
Wed 9/91:56 p.m.
SDF
-
YOW
1 stop5h 03m
United Airlines
Wed 16/92:52 p.m.
YOW
-
SDF
1 stop5h 17m
United Airlines
Deal found 26/7C$ 956
Mon 31/812:35 p.m.
SDF
-
YOW
2 stops11h 45m
Delta
Thu 1/106:55 a.m.
YOW
-
SDF
2 stops13h 38m
Delta
Deal found 25/7C$ 1,028
Thu 13/86:15 a.m.
SDF
-
YOW
1 stop10h 23m
United Airlines
Mon 17/85:20 p.m.
YOW
-
SDF
1 stop6h 39m
United Airlines
Deal found 26/7C$ 1,053
Tue 29/91:50 p.m.
SDF
-
YOW
1 stop7h 45m
Air Canada
Sat 3/105:15 p.m.
YOW
-
SDF
2 stops6h 44m
Air Canada
Deal found 25/7C$ 1,086
Thu 13/87:31 a.m.
SDF
-
YOW
2 stops13h 49m
American Airlines
Mon 17/87:00 a.m.
YOW
-
SDF
2 stops14h 38m
American Airlines
Deal found 26/7C$ 1,125
Wed 9/96:20 a.m.
SDF
-
YOW
3 stops13h 40m
American Airlines
Wed 16/97:00 a.m.
YOW
-
SDF
2 stops9h 05m
American Airlines
Deal found 26/7C$ 1,156

Find 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 28 July 2026.

Round-trip from

C$ 814

One-way from

C$ 353
13/8-17/8
  • 13/8-17/8
  • 3 total stops
  • 43h 43m total
  • Louisville to Ottawa
Search Deals
10/9
  • 10/9
  • 3 total stops
  • 27h 11m total
  • Louisville to Ottawa
Search Deals

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 28 July 2026.
Use the filters below to find and compare flights from Louisville to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 13/8

11:12 a.m.-5:35 p.m.

2 stops30h 23m

Ottawa

Mon 17/8

7:00 a.m.-8:20 p.m.

1 stop13h 20m

C$ 814

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Tue 29/9

5:15 a.m.-5:16 p.m.

1 stop12h 01m

Ottawa

Sat 3/10

5:20 p.m.-11:59 p.m.

1 stop6h 39m

C$ 942

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Mon 31/8

7:10 a.m.-5:16 p.m.

1 stop10h 06m

Ottawa

Thu 1/10

5:20 p.m.-11:59 p.m.

1 stop6h 39m

C$ 942
Quickest round-trip

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 9/9

1:56 p.m.-6:59 p.m.

1 stop5h 03m

Ottawa

Wed 16/9

2:52 p.m.-8:09 p.m.

1 stop5h 17m

C$ 956

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Mon 31/8

12:35 p.m.-12:20 a.m.

2 stops11h 45m

Ottawa

Thu 1/10

6:55 a.m.-8:33 p.m.

2 stops13h 38m

C$ 1,028

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 13/8

6:15 a.m.-4:38 p.m.

1 stop10h 23m

Ottawa

Mon 17/8

5:20 p.m.-11:59 p.m.

1 stop6h 39m

C$ 1,053
Cheapest one-way

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 10/9

9:09 p.m.-12:20 a.m.

3 stops27h 11m

C$ 353

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 10/9

7:10 a.m.-9:35 p.m.

1 stop14h 25m

C$ 413
Quickest one-way

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Tue 8/9

11:45 a.m.-12:20 a.m.

2 stops12h 35m

C$ 457

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Tue 8/9

12:34 p.m.-5:15 p.m.

3 stops28h 41m

C$ 467

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Sorted by cheapest first

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.

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 12h 01m. Fly via United Airlines to get the fastest option. The distance from Louisville to Ottawa is about 1151 km.

  • 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.

See more FAQs

Travelling to a place near Ottawa?

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

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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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