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Cheap flights from Ottawa to Louisville from C$ 423

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Louisville departing on 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ottawa to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:25 a.m. - 1:17 p.m.
YOW
-
SDF
6h 52m
1 stop
United Airlines Logo
9:55 a.m. - 2:22 p.m.
SDF
-
YOW
4h 27m
1 stop
C$ 423United Airlines
Sat, 4 Apr - Wed, 8 Apr
United Airlines Logo
10:00 a.m. - 2:47 p.m.
YOW
-
SDF
4h 47m
1 stop
United Airlines Logo
10:00 a.m. - 5:07 p.m.
SDF
-
YOW
7h 07m
1 stop
C$ 424United Airlines
Sat, 4 Apr - Wed, 8 Apr
Air Canada Logo
10:44 a.m. - 10:30 p.m.
YOW
-
SDF
11h 46m
1 stop
Air Canada Logo
6:00 a.m. - 4:38 p.m.
SDF
-
YOW
10h 38m
1 stop
C$ 476Air Canada
Sun, 19 Apr - Thu, 23 Apr
United Airlines Logo
6:00 a.m. - 4:41 p.m.
YOW
-
SDF
10h 41m
3 stops
United Airlines Logo
2:30 p.m. - 6:55 p.m.
SDF
-
YOW
4h 25m
1 stop
C$ 487United Airlines
Sat, 4 Apr - Wed, 8 Apr
Air Canada Logo
10:44 a.m. - 10:30 p.m.
YOW
-
SDF
11h 46m
1 stop
Air Canada Logo
8:47 a.m. - 4:38 p.m.
SDF
-
YOW
7h 51m
1 stop
C$ 497Air Canada
Sun, 19 Apr - Thu, 23 Apr
Air Canada Logo
6:00 a.m. - 1:17 p.m.
YOW
-
SDF
7h 17m
2 stops
Air Canada Logo
5:00 a.m. - 1:16 p.m.
SDF
-
YOW
8h 16m
2 stops
C$ 498Air Canada
Sat, 4 Apr - Wed, 8 Apr
Air Canada Logo
6:00 a.m. - 1:17 p.m.
YOW
-
SDF
7h 17m
2 stops
Air Canada Logo
5:00 a.m. - 1:16 p.m.
SDF
-
YOW
8h 16m
2 stops
C$ 499Air Canada
Sat, 4 Apr - Wed, 8 Apr
Air Canada Logo
6:25 a.m. - 1:17 p.m.
YOW
-
SDF
6h 52m
1 stop
Air Canada Logo
7:20 a.m. - 3:21 p.m.
SDF
-
YOW
8h 01m
2 stops
C$ 508Air Canada
Sat, 4 Apr - Wed, 8 Apr
United Airlines Logo
5:25 p.m. - 11:59 p.m.
YOW
-
SDF
6h 34m
1 stop
United Airlines Logo
5:00 a.m. - 5:07 p.m.
SDF
-
YOW
12h 07m
1 stop
C$ 545United Airlines
Sun, 19 Apr - Thu, 23 Apr
Delta Logo
5:40 a.m. - 8:39 p.m.
YOW
-
SDF
14h 59m
2 stops
Delta Logo
5:36 p.m. - 12:39 a.m.
SDF
-
YOW
7h 03m
2 stops
C$ 549Delta
Sun, 19 Apr - Thu, 23 Apr

Air Canada flights from Ottawa to Louisville

Our best Air Canada deals on Ottawa to Louisville flight tickets
Air Canada
19 Apr
YOW10:44 a.m.Ottawa
11h 46m
1 stop
SDF10:30 p.m.Louisville Intl
23 Apr
SDF6:00 a.m.Louisville Intl
10h 38m
1 stop
YOW4:38 p.m.Ottawa
C$ 476
Air Canada
19 Apr
YOW10:44 a.m.Ottawa
11h 46m
1 stop
SDF10:30 p.m.Louisville Intl
23 Apr
SDF8:47 a.m.Louisville Intl
7h 51m
1 stop
YOW4:38 p.m.Ottawa
C$ 497
Air Canada
4 Apr
YOW6:00 a.m.Ottawa
7h 17m
2 stops
SDF1:17 p.m.Louisville Intl
8 Apr
SDF5:00 a.m.Louisville Intl
8h 16m
2 stops
YOW1:16 p.m.Ottawa
C$ 498

United Airlines flights from Ottawa to Louisville

Our best United Airlines deals on Ottawa to Louisville flight tickets
United Airlines
4 Apr
YOW6:25 a.m.Ottawa
6h 52m
1 stop
SDF1:17 p.m.Louisville Intl
8 Apr
SDF9:55 a.m.Louisville Intl
4h 27m
1 stop
YOW2:22 p.m.Ottawa
C$ 423
United Airlines
4 Apr
YOW10:00 a.m.Ottawa
4h 47m
1 stop
SDF2:47 p.m.Louisville Intl
8 Apr
SDF10:00 a.m.Louisville Intl
7h 07m
1 stop
YOW5:07 p.m.Ottawa
C$ 424
United Airlines
4 Apr
YOW6:00 a.m.Ottawa
10h 41m
3 stops
SDF4:41 p.m.Louisville Intl
8 Apr
SDF2:30 p.m.Louisville Intl
4h 25m
1 stop
YOW6:55 p.m.Ottawa
C$ 487

momondo 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, momondo users made 96,600 searches. Data last updated 23 March 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
Quickest round-trip

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sat 4/4

6:25 a.m.-1:17 p.m.

1 stop6h 52m

Louisville Intl

Wed 8/4

9:55 a.m.-2:22 p.m.

1 stop4h 27m

C$ 423

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sat 4/4

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

1 stop4h 47m

Louisville Intl

Wed 8/4

10:00 a.m.-5:07 p.m.

1 stop7h 07m

C$ 424

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sun 19/4

10:44 a.m.-10:30 p.m.

1 stop11h 46m

Louisville Intl

Thu 23/4

6:00 a.m.-4:38 p.m.

1 stop10h 38m

C$ 476

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sat 4/4

6:00 a.m.-4:41 p.m.

3 stops10h 41m

Louisville Intl

Wed 8/4

2:30 p.m.-6:55 p.m.

1 stop4h 25m

C$ 487

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sun 19/4

10:44 a.m.-10:30 p.m.

1 stop11h 46m

Louisville Intl

Thu 23/4

8:47 a.m.-4:38 p.m.

1 stop7h 51m

C$ 497

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sat 4/4

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

2 stops7h 17m

Louisville Intl

Wed 8/4

5:00 a.m.-1:16 p.m.

2 stops8h 16m

C$ 498

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sat 4/4

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

2 stops7h 17m

Louisville Intl

Wed 8/4

5:00 a.m.-1:16 p.m.

2 stops8h 16m

C$ 499

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sat 4/4

6:25 a.m.-1:17 p.m.

1 stop6h 52m

Louisville Intl

Wed 8/4

7:20 a.m.-3:21 p.m.

2 stops8h 01m

C$ 508

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sun 19/4

5:25 p.m.-11:59 p.m.

1 stop6h 34m

Louisville Intl

Thu 23/4

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

1 stop12h 07m

C$ 545

OttawaLouisville

YOW - SDF

YOWSDF

Ottawa

Sun 19/4

5:40 a.m.-8:39 p.m.

2 stops14h 59m

Louisville Intl

Thu 23/4

5:36 p.m.-12:39 a.m.

2 stops7h 03m

C$ 549

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Louisville from

How to get the cheapest flight ticket from Ottawa to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ottawa and Louisville?

Can stopping save me money on Ottawa to Louisville flights?

You could potentially save up to 5% on your flight if you consider stops on a Ottawa to Louisville flight.

When to book flights from Ottawa to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Louisville (YOW to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Louisville

Fastest flight time

6h 58m

Direct flights

None
The fastest flight from Ottawa to Louisville takes 6h 58m
There are no direct flights from Ottawa to Louisville. There are no popular flight routes from Ottawa to Louisville.
Search flight deals

  • How far is Ottawa to Louisville Intl by plane?

    The distance between Ottawa and Louisville Intl is about 1150.5 km. In terms of flight time, this usually takes a little over 6h 58m.

  • When did momondo last update prices for flights from Ottawa Airport to Louisville Intl Airport?

    Prices for flights from Ottawa Airport to Louisville Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ottawa Airport to Louisville Intl Airport?

  • How old do you have to be to fly from Ottawa Airport to Louisville Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ottawa to Louisville?

Best airlines flying from Ottawa to Louisville

Compare and see reviews for airlines that fly from Ottawa to Louisville with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 422Free CancellationRating
7.4
9,469 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Louisville?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Louisville. momondo saves you time and could save you money on your trip.

Can I find flights from Ottawa to Louisville with flexible booking policies on momondo?

Flights from Ottawa to Louisville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ottawa to Louisville?

Once all potential Ottawa to Louisville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ottawa to Louisville right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Louisville from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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