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Cheap flights from Ottawa to Louisville from C$ 384

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SDF
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Louisville

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Louisville
Explore the most affordable flight options available from Ottawa to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2026.

Fri 21/82:52 p.m.
YOW
-
SDF
1 stop4h 23m
United Airlines
Mon 24/86:00 a.m.
SDF
-
YOW
1 stop3h 56m
United Airlines
Deal found 29/7C$ 655
Thu 27/86:05 a.m.
YOW
-
SDF
1 stop14h 08m
Air Canada
Sun 30/89:00 a.m.
SDF
-
YOW
1 stop4h 59m
Air Canada
Deal found 24/7C$ 722
Wed 26/86:00 a.m.
YOW
-
SDF
3 stops10h 38m
United Airlines
Sat 29/89:00 a.m.
SDF
-
YOW
1 stop4h 59m
United Airlines
Deal found 25/7C$ 734
Thu 10/96:55 a.m.
YOW
-
SDF
2 stops12h 35m
Delta
Thu 17/93:43 p.m.
SDF
-
YOW
2 stops8h 37m
Delta
Deal found 27/7C$ 756
Wed 26/810:00 a.m.
YOW
-
SDF
1 stop9h 15m
Air Canada
Sat 29/810:23 a.m.
SDF
-
YOW
2 stops9h 29m
Air Canada
Deal found 25/7C$ 818
Thu 27/86:25 a.m.
YOW
-
SDF
1 stop6h 46m
Multiple Airlines
Sun 30/86:00 a.m.
SDF
-
YOW
2 stops7h 10m
Multiple Airlines
Deal found 24/7C$ 830
Thu 10/97:00 a.m.
YOW
-
SDF
3 stops14h 27m
American Airlines
Thu 17/97:27 p.m.
SDF
-
YOW
2 stops24h 33m
American Airlines
Deal found 27/7C$ 1,047
Tue 8/97:00 a.m.
YOW
-
SDF
3 stops14h 31m
American Airlines
Tue 15/94:48 p.m.
SDF
-
YOW
2 stops22h 07m
American Airlines
Deal found 25/7C$ 1,167
Fri 21/812:25 p.m.
YOW
-
SDF
3 stops34h 28m
Multiple Airlines
Mon 24/810:34 a.m.
SDF
-
YOW
3 stops21h 31m
Multiple Airlines
Deal found 29/7C$ 1,614

Find flight deals from Ottawa to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Louisville (SDF). 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 July 2026.

Round-trip from

C$ 722

One-way from

C$ 384

Popular in

August

Cheapest in

March

Average price

C$ 576
Air Canada
  • Air Canada
  • 27/8-30/8
  • 2 total stops
  • 19h 07m total
  • Ottawa to Louisville
Search Deals
11/9
  • 11/9
  • 2 total stops
  • 27h 11m total
  • Ottawa to Louisville
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sun 17/1

4:36 p.m.-11:55 p.m.

1 stop7h 19m

Louisville Intl

Wed 20/1

10:00 a.m.-3:10 p.m.

1 stop5h 10m

C$ 652
Quickest round-trip

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 21/8

2:52 p.m.-7:15 p.m.

1 stop4h 23m

Louisville Intl

Mon 24/8

6:00 a.m.-9:56 a.m.

1 stop3h 56m

C$ 655

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Wed 26/8

5:57 p.m.-10:59 p.m.

1 stop5h 02m

Louisville Intl

Sat 29/8

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

1 stop4h 59m

C$ 734

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Thu 10/9

6:55 a.m.-7:30 p.m.

2 stops12h 35m

Louisville Intl

Thu 17/9

3:43 p.m.-12:20 a.m.

2 stops8h 37m

C$ 756

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sun 17/1

5:40 a.m.-5:40 p.m.

2 stops12h 00m

Louisville Intl

Wed 20/1

11:45 a.m.-12:42 a.m.

2 stops12h 57m

C$ 756
Cheapest one-way

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 11/9

6:25 a.m.-8:55 p.m.

1 stop14h 30m

C$ 402
Quickest one-way

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 11/8

8:40 a.m.-6:00 p.m.

2 stops9h 20m

C$ 454

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Wed 12/8

6:05 a.m.-8:13 p.m.

1 stop14h 08m

C$ 460

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Wed 12/8

7:00 a.m.-9:25 p.m.

2 stops14h 25m

C$ 461

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Wed 12/8

6:00 a.m.-8:36 p.m.

3 stops14h 36m

C$ 475

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Ottawa to Louisville

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

Weekly flight availability from Ottawa to Louisville

Explore weekly flight availability from Ottawa to Louisville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2026.

The most flights from YOW to SDF are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated 29 July 2026.
See what other customers who have flown with United Airlines from Ottawa to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,052 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
10,052 reviews
United Airlines
7.4
Good
10,052 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Ottawa to Louisville?

    If you book a flight from Ottawa to Louisville, you will be flying from Ottawa to Louisville Intl. Flights to Louisville Intl (SDF) from Ottawa (YOW) take 7h 19m for a nonstop flight. There is 1 flight from Ottawa to Louisville per day from 1 airline.

  • How long is the flight from Ottawa to Louisville?

    A quick flight from Ottawa to Louisville can take about 7h 19m. United Airlines provides one of the quickest options available for as low as C$ 652. The distance from Ottawa to Louisville is about 1151 km.

  • What is the cheapest airline to fly from Ottawa to Louisville round-trip?

    Flying on United Airlines is currently your cheapest option to Louisville, with prices starting at C$ 434. This flight start at 39% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa to Louisville 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ottawa to Louisville

Discover the top airline that operate flights from Ottawa to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 434AverageC$ 652FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Ottawa to Louisville 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 Ottawa to Louisville?

Cheapflights helps you find that perfect flight to Louisville from Ottawa 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 Ottawa to Louisville with no change fees?

Yes! Cheapflights helps users easily find flights from Ottawa to Louisville with no change fees.

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

Not ready to book yet? You can track prices for flights from Ottawa to Louisville on Cheapflights with our Price Alert feature and get notified when better prices are available.

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