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Cheap flights from Ottawa to Louisville from C$ 309

YOW — SDF
11 Oct — 18 Oct1
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

Wed 21/105:20 p.m. -
1 stop6h 39m
Thu 5/116:00 a.m. -
1 stop13h 27m
Deal found 10/9C$ 801
Tue 3/116:00 a.m. -
1 stop7h 03m
Sun 8/115:40 a.m. -
1 stop7h 31m
Deal found 6/9C$ 805
Sun 18/106:00 a.m. -
1 stop4h 18m
Tue 20/106:30 p.m. -
1 stop14h 41m
Deal found 7/9C$ 806
Wed 21/106:00 a.m. -
3 stops14h 31m
Wed 4/117:00 a.m. -
1 stop7h 09m
Deal found 10/9C$ 809
Mon 19/106:01 p.m. -
1 stop5h 40m
Tue 3/1110:37 a.m. -
1 stop10h 39m
Deal found 10/9C$ 810
Sat 26/126:15 a.m. -
1 stop14h 41m
Wed 30/128:45 a.m. -
1 stop12h 38m
Deal found 11/9C$ 827
Sun 18/106:05 a.m. -
1 stop6h 34m
Tue 3/119:17 a.m. -
1 stop4h 52m
Deal found 10/9C$ 841
Fri 16/105:20 p.m. -
1 stop6h 39m
Sun 18/105:15 a.m. -
1 stop8h 44m
Deal found 10/9C$ 842
Mon 19/107:15 a.m. -
1 stop11h 30m
Tue 3/117:55 a.m. -
2 stops16h 49m
Deal found 10/9C$ 848
Wed 21/105:20 p.m. -
1 stop6h 39m
Wed 4/1110:37 a.m. -
2 stops9h 15m
Deal found 10/9C$ 852

Find flight deals from Ottawa to Louisville

Round-trip from

C$ 801

One-way from

C$ 309

Popular in

January

Cheapest in

March

Average price

C$ 574
United Airlines
  • United Airlines
  • 21/10-5/11
  • 2 total stops
  • 20h 06m total
  • Ottawa to Louisville
Search Deals
25/9-31/12
  • 25/9-31/12
  • 1 total stop
  • 28h 03m total
  • Ottawa to Louisville
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Fri 25/9

7:00 a.m.-11:03 a.m.

1 stop28h 03m

Louisville Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 309

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sun 25/10

5:30 a.m.-8:29 p.m.

2 stops14h 59m

Louisville Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 441

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sun 18/10

6:00 a.m.-10:18 a.m.

1 stop4h 18m

Louisville Intl

Tue 20/10

6:30 p.m.-9:11 a.m.

1 stop14h 41m

C$ 805
Quickest round-trip

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Wed 4/11

2:00 p.m.-7:30 p.m.

1 stop5h 30m

Louisville Intl

Sun 8/11

9:02 a.m.-2:09 p.m.

1 stop5h 07m

C$ 805

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Mon 19/10

6:01 p.m.-11:41 p.m.

1 stop5h 40m

Louisville Intl

Tue 3/11

2:11 p.m.-7:27 p.m.

1 stop5h 16m

C$ 809

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sat 26/12

6:15 a.m.-8:56 p.m.

1 stop14h 41m

Louisville Intl

Wed 30/12

8:45 a.m.-9:23 p.m.

1 stop12h 38m

C$ 827

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Fri 16/10

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

1 stop6h 39m

Louisville Intl

Sun 18/10

5:15 a.m.-1:59 p.m.

1 stop8h 44m

C$ 842

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Tue 3/11

8:00 a.m.-3:26 p.m.

2 stops31h 26m

Louisville Intl

Mon 9/11

6:53 p.m.-5:20 p.m.

1 stop22h 27m

C$ 852

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Wed 21/10

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

1 stop6h 39m

Louisville Intl

Wed 4/11

10:37 a.m.-7:52 p.m.

2 stops9h 15m

C$ 852

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sun 18/10

10:37 a.m.-8:31 p.m.

1 stop9h 54m

Louisville Intl

Tue 20/10

7:00 a.m.-1:54 p.m.

2 stops6h 54m

C$ 856

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Louisville

What’s the top layover airport for flights from Ottawa to Louisville?

Washington, D.C. (IAD) – chosen by Cheapflights users on 67% of one-stop itineraries from Ottawa to Louisville on Cheapflights.

What’s the cheapest layover airport for flights from Ottawa to Louisville?

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of C$ 1,078.

What’s the fastest layover option from Ottawa to Louisville?

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 5h 00m.

Which airport typically offers the quickest layover for flights from Ottawa to Louisville?

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 05m.

Reviews of airlines servicing Louisville

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
10,201 reviews
Check prices

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.7

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
10,201 reviews
United Airlines
7.4
Good
10,201 reviews
Check prices

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.7

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

  • How long is the flight from Ottawa to Louisville?

    A quick flight from Ottawa to Louisville can take about 4h 18m. United Airlines provides one of the quickest options available for as low as C$ 805. 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$ 426. This flight start at 34% 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

Top airline flying from Ottawa to Louisville

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 426AverageC$ 604FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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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