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Cheap flights from Ottawa to Louisville from C$ 258

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SDF
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 528

One-way from

C$ 258

Popular in

October

Cheapest in

November

Average price

C$ 874
3/10-6/10
  • 3/10-6/10
  • 3 total stops
  • 38h 46m total
  • Ottawa to Louisville
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12/11
  • 12/11
  • 1 total stop
  • 14h 15m total
  • Ottawa to Louisville
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 52 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ottawa to Louisville

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 11 September 2025.

Fri 3/105:55 a.m.YOW - SDF
2 stops16h 09mMultiple Airlines
Mon 6/106:43 p.m.SDF - YOW
1 stop22h 37mMultiple Airlines
Deal found 9/9C$ 528
Wed 17/97:00 a.m.YOW - SDF
2 stops26h 19mMultiple Airlines
Sun 21/98:23 a.m.SDF - YOW
1 stop8h 57mMultiple Airlines
Deal found 10/9C$ 752
Fri 7/112:15 p.m.YOW - SDF
1 stop5h 12mUnited Airlines
Mon 10/117:00 a.m.SDF - YOW
1 stop10h 12mUnited Airlines
Deal found 10/9C$ 820
Fri 12/93:50 p.m.YOW - SDF
1 stop30h 14mMultiple Airlines
Sun 14/98:23 a.m.SDF - YOW
1 stop8h 57mMultiple Airlines
Deal found 9/9C$ 827
Fri 7/113:10 p.m.YOW - SDF
1 stop8h 30mAir Canada
Mon 10/1111:00 a.m.SDF - YOW
1 stop10h 18mAir Canada
Deal found 9/9C$ 841

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 11 September 2025.
Use the filters below to find and compare flights from Ottawa to Louisville that are best for you.

Fly from

Ottawa

Fly to

Louisville

Route

Depart

Return

Price

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 3/10

5:55 a.m.-10:04 p.m.

2 stops16h 09m

Louisville Intl

Mon 6/10

6:43 p.m.-5:20 p.m.

1 stop22h 37m

C$ 528

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 24/2

6:00 a.m.-1:17 p.m.

1 stop7h 17m

Louisville Intl

Wed 25/2

1:55 p.m.-11:43 p.m.

1 stop9h 48m

C$ 811

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 7/11

2:15 p.m.-7:27 p.m.

1 stop5h 12m

Louisville Intl

Mon 10/11

7:00 a.m.-5:12 p.m.

1 stop10h 12m

C$ 820

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Fri 7/11

3:10 p.m.-11:40 p.m.

1 stop8h 30m

Louisville Intl

Mon 10/11

11:00 a.m.-9:18 p.m.

1 stop10h 18m

C$ 841

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 24/2

10:50 a.m.-6:49 p.m.

2 stops7h 59m

Louisville Intl

Wed 25/2

1:55 p.m.-10:18 p.m.

2 stops8h 23m

C$ 885

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Tue 11/11

4:15 p.m.-9:59 a.m.

1 stop17h 44m

C$ 302

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Mon 10/11

6:45 a.m.-11:45 p.m.

2 stops17h 00m

C$ 342

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Wed 12/11

5:45 p.m.-4:12 p.m.

3 stops46h 27m

C$ 356

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

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

What is the cheapest month to book a flight from Ottawa to Louisville?

Currently, February is the cheapest month in which you can book a flight from Ottawa to Louisville (average of C$ 332). Flying from Ottawa to Louisville in September is currently the most expensive (average of C$ 487). 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.

What is the cheapest time of day to fly from YOW to SDF?

Find hourly flight availability from Ottawa to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 8% on flights from Ottawa to Louisville by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Ottawa to Louisville?

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 11 September 2025.
See what other customers who have flown with Air Canada 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.
Air Canada
7.1
Good
10,000 reviews
Check prices

Boarding

7.3

Overall

7.1

Entertainment

6.8

Food

6.3

Crew

7.8

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

janet,Sep 2025

YOW - YYZ

Really appreciated the leg room despite purchasing an economy ticket. Appreciated the extra complimentary wine. Nice touch. Was given immediate support without asking at check in, at the machine!! Ottawa's boarding was very organized with distinct rows in waiting room. Allowed for the main hall to not be blocked by people waiting to board.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Boarding

7.3

Overall

7.1

Entertainment

6.8

Food

6.3

Crew

7.8

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

janet,Sep 2025

YOW - YYZ

Really appreciated the leg room despite purchasing an economy ticket. Appreciated the extra complimentary wine. Nice touch. Was given immediate support without asking at check in, at the machine!! Ottawa's boarding was very organized with distinct rows in waiting room. Allowed for the main hall to not be blocked by people waiting to board.

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

    Flying on Air Canada is currently your cheapest option to Louisville, with prices starting at C$ 716. This flight start at 16% 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.

  • What is the cheapest month to book a flight from Ottawa to Louisville?

    Currently, February is the cheapest month in which you can book a flight from Ottawa to Louisville (average of C$ 332). Flying from Ottawa to Louisville in September is currently the most expensive (average of C$ 487). 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

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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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 716AverageC$ 820FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

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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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