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Cheap flights from Louisville to Ottawa from C$ 495

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YOW
29 May — 5 Jun1
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 29 April 2026.

Thu 14/55:50 a.m.
SDF
-
YOW
1 stop4h 13m
United Airlines
Mon 18/510:00 a.m.
YOW
-
SDF
1 stop13h 59m
United Airlines
Deal found 26/4C$ 495
Tue 12/55:50 a.m.
SDF
-
YOW
1 stop4h 13m
United Airlines
Fri 15/52:40 p.m.
YOW
-
SDF
1 stop5h 02m
United Airlines
Deal found 28/4C$ 509
Sat 15/89:00 a.m.
SDF
-
YOW
1 stop8h 07m
United Airlines
Wed 19/85:20 p.m.
YOW
-
SDF
1 stop6h 45m
United Airlines
Deal found 27/4C$ 516
Sun 2/85:20 a.m.
SDF
-
YOW
1 stop8h 39m
United Airlines
Wed 12/82:48 p.m.
YOW
-
SDF
1 stop8h 09m
United Airlines
Deal found 27/4C$ 530
Thu 14/55:50 a.m.
SDF
-
YOW
1 stop4h 13m
Air Canada
Mon 18/59:05 a.m.
YOW
-
SDF
2 stops13h 17m
Air Canada
Deal found 26/4C$ 609
Wed 14/105:35 a.m.
SDF
-
YOW
2 stops11h 35m
United Airlines
Sat 17/105:25 p.m.
YOW
-
SDF
1 stop6h 40m
United Airlines
Deal found 28/4C$ 638
Sat 15/89:00 a.m.
SDF
-
YOW
1 stop4h 59m
Air Canada
Wed 19/812:15 p.m.
YOW
-
SDF
2 stops7h 04m
Air Canada
Deal found 27/4C$ 640

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 29 April 2026.

Round-trip from

C$ 495
United Airlines
  • United Airlines
  • 14/5-18/5
  • 2 total stops
  • 8h 42m 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 29 April 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 14/5

5:50 a.m.-10:03 a.m.

1 stop4h 13m

Ottawa

Mon 18/5

10:00 a.m.-11:59 p.m.

1 stop13h 59m

C$ 495

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Sat 15/8

9:00 a.m.-5:07 p.m.

1 stop8h 07m

Ottawa

Wed 19/8

5:20 p.m.-12:05 a.m.

1 stop6h 45m

C$ 516

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 14/10

11:00 a.m.-5:21 p.m.

1 stop6h 21m

Ottawa

Sat 17/10

5:25 p.m.-12:05 a.m.

1 stop6h 40m

C$ 516

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Tue 12/5

7:15 a.m.-5:11 p.m.

2 stops9h 56m

Ottawa

Fri 15/5

5:05 a.m.-8:17 p.m.

2 stops15h 12m

C$ 635
Quickest round-trip

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Sat 15/8

9:00 a.m.-1:59 p.m.

1 stop4h 59m

Ottawa

Wed 19/8

12:15 p.m.-7:19 p.m.

2 stops7h 04m

C$ 640

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

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 4h 13m. 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
Wakefield
Pembroke
Smiths Falls

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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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