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Cheap flights from Louisville to Ottawa from C$ 375

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YOW
13 Jul — 20 Jul1
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 13 June 2026.

Sat 1/81:48 p.m.
SDF
-
YOW
1 stop5h 00m
United Airlines
Wed 5/85:20 p.m.
YOW
-
SDF
1 stop6h 39m
United Airlines
Deal found 9/6C$ 797
Fri 3/711:44 a.m.
SDF
-
YOW
1 stop4h 54m
United Airlines
Tue 7/75:20 p.m.
YOW
-
SDF
1 stop6h 39m
United Airlines
Deal found 11/6C$ 815
Fri 3/78:48 p.m.
SDF
-
YOW
1 stop18h 09m
Multiple Airlines
Tue 7/77:00 a.m.
YOW
-
SDF
2 stops28h 26m
Multiple Airlines
Deal found 11/6C$ 828
Sun 9/87:15 a.m.
SDF
-
YOW
1 stop6h 44m
United Airlines
Thu 13/86:25 a.m.
YOW
-
SDF
1 stop6h 46m
United Airlines
Deal found 9/6C$ 829
Sun 26/76:00 a.m.
SDF
-
YOW
2 stops7h 10m
United Airlines
Wed 5/85:20 p.m.
YOW
-
SDF
1 stop6h 39m
United Airlines
Deal found 9/6C$ 834
Thu 9/79:19 p.m.
SDF
-
YOW
1 stop17h 16m
Multiple Airlines
Thu 16/72:30 p.m.
YOW
-
SDF
2 stops42h 06m
Multiple Airlines
Deal found 10/6C$ 880
Sat 19/910:45 a.m.
SDF
-
YOW
1 stop5h 53m
United Airlines
Wed 23/96:00 a.m.
YOW
-
SDF
1 stop4h 18m
United Airlines
Deal found 11/6C$ 905
Mon 27/78:48 p.m.
SDF
-
YOW
2 stops23h 17m
Multiple Airlines
Mon 3/87:00 a.m.
YOW
-
SDF
1 stop12h 58m
Multiple Airlines
Deal found 12/6C$ 925
Mon 27/76:30 a.m.
SDF
-
YOW
1 stop10h 08m
United Airlines
Mon 3/86:00 a.m.
YOW
-
SDF
1 stop4h 23m
United Airlines
Deal found 12/6C$ 950
Sun 5/76:30 a.m.
SDF
-
YOW
2 stops8h 40m
United Airlines
Wed 5/85:20 p.m.
YOW
-
SDF
1 stop6h 39m
United Airlines
Deal found 10/6C$ 954
Sun 9/86:00 a.m.
SDF
-
YOW
1 stop4h 03m
Air Canada
Thu 13/89:55 a.m.
YOW
-
SDF
2 stops9h 12m
Air Canada
Deal found 9/6C$ 957

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 13 June 2026.

Round-trip from

C$ 797

One-way from

C$ 375
United Airlines
  • United Airlines
  • 1/8-5/8
  • 2 total stops
  • 11h 39m total
  • Louisville to Ottawa
Search Deals
United Airlines
  • United Airlines
  • 30/6
  • 1 total stop
  • 8h 17m 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 13 June 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

Fri 24/7

6:00 a.m.-10:03 a.m.

1 stop4h 03m

Ottawa

Fri 31/7

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

1 stop6h 39m

C$ 815

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Sun 26/7

10:04 a.m.-5:07 p.m.

1 stop7h 03m

Ottawa

Wed 5/8

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

1 stop6h 39m

C$ 815

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Fri 3/7

11:44 a.m.-4:38 p.m.

1 stop4h 54m

Ottawa

Thu 6/8

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

1 stop6h 39m

C$ 815

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 9/7

10:05 a.m.-11:54 p.m.

1 stop13h 49m

Ottawa

Thu 16/7

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

1 stop6h 39m

C$ 815

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Sun 9/8

7:15 a.m.-1:59 p.m.

1 stop6h 44m

Ottawa

Thu 13/8

6:25 a.m.-1:11 p.m.

1 stop6h 46m

C$ 829
Quickest round-trip

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Sat 19/9

10:45 a.m.-4:38 p.m.

1 stop5h 53m

Ottawa

Wed 23/9

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

1 stop4h 18m

C$ 905

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Mon 27/7

6:30 a.m.-4:38 p.m.

1 stop10h 08m

Ottawa

Mon 3/8

6:00 a.m.-10:23 a.m.

1 stop4h 23m

C$ 950
Cheapest one-way
Quickest one-way

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Tue 30/6

6:00 a.m.-2:17 p.m.

1 stop8h 17m

C$ 375

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

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.

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 4h 03m. 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.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
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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