In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

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

When flying from Louisville to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

C$ 487+ Flights from Louisville to Ottawa

Cheap flight deals from Louisville to Ottawa

Round-trip from	C$ 487

12/9-16/9
2 total stops
24h 27m total
Louisville to Ottawa

Search Deals

Find flight deals from Louisville to Ottawa

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 30 July 2025.

Fri 12/99:47 a.m.SDF - YOW

1 stop7h 33mMultiple Airlines

Tue 16/94:25 p.m.YOW - SDF

1 stop16h 54mMultiple Airlines

Deal found 29/7C$ 487

Thu 18/97:20 a.m.SDF - YOW

1 stop9h 46mUnited Airlines

Sun 21/97:29 p.m.YOW - SDF

1 stop19h 21mUnited Airlines

Deal found 29/7C$ 971

Best flights from Louisville to Ottawa
Discover carefully curated flight deals from Louisville to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 July 2025.

Fri 12/99:47 a.m.SDF - YOW

1 stop7h 33mMultiple Airlines

Tue 16/94:25 p.m.YOW - SDF

1 stop16h 54mMultiple Airlines

Deal found 29/7C$ 487

Thu 18/97:20 a.m.SDF - YOW

1 stop9h 46mUnited Airlines

Sun 21/97:29 p.m.YOW - SDF

1 stop19h 21mUnited Airlines

Deal found 29/7C$ 971

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Fri 12/9

9:47 a.m.-5:20 p.m.

1 stop7h 33m

Ottawa

Tue 16/9

4:25 p.m.-9:19 a.m.

1 stop16h 54m

C$ 487

LouisvilleOttawa

SDF - YOW

SDFYOW

Louisville Intl

Thu 18/9

7:20 a.m.-5:06 p.m.

1 stop9h 46m

Ottawa

Sun 21/9

7:29 p.m.-2:50 p.m.

1 stop19h 21m

C$ 971

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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.

Cheapflights Insights

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

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

Currently, October is the cheapest month in which you can book a flight from Louisville to Ottawa (average of C$ 224). Flying from Louisville to Ottawa in December is currently the most expensive (average of C$ 326). 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.

Reviews of airlines servicing Ottawa

Read reviews from past customers who have flown United Airlines from Louisville to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,896 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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.
What is the cheapest month to book a flight from Louisville to Ottawa?
Currently, October is the cheapest month in which you can book a flight from Louisville to Ottawa (average of C$ 224). Flying from Louisville to Ottawa in December is currently the most expensive (average of C$ 326). 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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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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Cheap flights from Louisville to Ottawa from C$ 487

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Louisville to Ottawa

Round-trip from

Find flight deals from Louisville to Ottawa

Cheapest flights from Louisville to OttawaExplore 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 30 July 2025.

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 30 July 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 30 July 2025.

Read reviews from past customers who have flown United Airlines from Louisville to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

How can I find direct flights from Louisville to Ottawa?

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

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

Travelling to a place near Ottawa?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Why should you use Cheapflights to find cheap flight tickets from Louisville to Ottawa?

Can Cheapflights find flights from Louisville to Ottawa with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

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 30 July 2025.