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Cheap flights from Louisville to Ottawa from C$ 231

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YOW
10 Apr — 17 Apr1
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 11 March 2026.

Sun 29/39:07 a.m.
SDF
-
YOW
1 stop12h 28m
United Airlines
Tue 5/57:30 p.m.
YOW
-
SDF
1 stop4h 29m
United Airlines
Deal found 8/3C$ 532
Wed 1/49:07 a.m.
SDF
-
YOW
1 stop8h 00m
United Airlines
Sat 2/56:00 a.m.
YOW
-
SDF
1 stop8h 47m
United Airlines
Deal found 9/3C$ 546
Tue 21/410:00 a.m.
SDF
-
YOW
1 stop7h 07m
United Airlines
Wed 22/410:00 a.m.
YOW
-
SDF
1 stop4h 47m
United Airlines
Deal found 10/3C$ 562
Mon 30/39:13 p.m.
SDF
-
YOW
1 stop27h 12m
Multiple Airlines
Tue 5/56:25 p.m.
YOW
-
SDF
2 stops38h 38m
Multiple Airlines
Deal found 8/3C$ 578
Mon 30/39:13 p.m.
SDF
-
YOW
1 stop27h 12m
Multiple Airlines
Wed 29/49:30 a.m.
YOW
-
SDF
1 stop28h 01m
Multiple Airlines
Deal found 8/3C$ 597
Tue 31/312:42 p.m.
SDF
-
YOW
1 stop11h 43m
Multiple Airlines
Tue 5/56:25 p.m.
YOW
-
SDF
2 stops38h 38m
Multiple Airlines
Deal found 8/3C$ 618
Mon 30/39:13 p.m.
SDF
-
YOW
1 stop27h 12m
Multiple Airlines
Thu 30/44:15 p.m.
YOW
-
SDF
1 stop26h 43m
Multiple Airlines
Deal found 8/3C$ 626
Sat 8/89:00 a.m.
SDF
-
YOW
1 stop4h 59m
United Airlines
Thu 13/86:00 p.m.
YOW
-
SDF
1 stop4h 57m
United Airlines
Deal found 9/3C$ 631
Tue 31/312:42 p.m.
SDF
-
YOW
1 stop11h 43m
Multiple Airlines
Wed 29/49:30 a.m.
YOW
-
SDF
1 stop28h 01m
Multiple Airlines
Deal found 8/3C$ 635
Mon 30/39:13 p.m.
SDF
-
YOW
1 stop27h 12m
Multiple Airlines
Sat 2/56:25 p.m.
YOW
-
SDF
2 stops25h 59m
Multiple Airlines
Deal found 8/3C$ 638

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 11 March 2026.

Round-trip from

C$ 532

One-way from

C$ 231
United Airlines
  • United Airlines
  • 29/3-5/5
  • 2 total stops
  • 16h 57m total
  • Louisville to Ottawa
Search Deals
United Airlines
  • United Airlines
  • 24/4
  • 1 total stop
  • 7h 45m 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 11 March 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

Sun 29/3

9:07 a.m.-9:35 p.m.

1 stop12h 28m

Ottawa

Sat 2/5

5:25 p.m.-10:30 p.m.

1 stop5h 05m

C$ 532

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Tue 21/4

9:07 a.m.-9:35 p.m.

1 stop12h 28m

Ottawa

Wed 22/4

10:00 a.m.-2:47 p.m.

1 stop4h 47m

C$ 532

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Wed 1/4

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

1 stop8h 00m

Ottawa

Sat 2/5

6:00 a.m.-2:47 p.m.

1 stop8h 47m

C$ 546
Quickest round-trip

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Sat 8/8

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

1 stop4h 59m

Ottawa

Thu 13/8

6:00 p.m.-10:57 p.m.

1 stop4h 57m

C$ 631

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Tue 21/4

7:20 a.m.-5:07 p.m.

1 stop9h 47m

Ottawa

Wed 22/4

5:45 a.m.-4:41 p.m.

2 stops10h 56m

C$ 646

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Fri 22/5

9:00 a.m.-9:35 p.m.

1 stop12h 35m

Ottawa

Tue 26/5

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

1 stop6h 39m

C$ 669
Cheapest one-way
Quickest one-way

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Fri 24/4

2:20 p.m.-10:05 p.m.

1 stop7h 45m

C$ 231

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Fri 24/4

7:48 p.m.-4:51 p.m.

2 stops21h 03m

C$ 278

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

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.

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$ 250). Flying from Louisville to Ottawa in August is currently the most expensive (average of C$ 707). 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 12h 28m. 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.

  • 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$ 250). Flying from Louisville to Ottawa in August is currently the most expensive (average of C$ 707). 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
Perth
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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