Cheap Flights from Ottawa to Louisville Muhammad Ali International

Compare Ottawa to Louisville Muhammad Ali International flight deals

Find the cheapest month or even day of the year to fly to Louisville Muhammad Ali International

Book the best Louisville Muhammad Ali International fare with no extra fees

Flight deals from Ottawa to Louisville Muhammad Ali International

Looking for a cheap last-minute deal or the best return flight from Ottawa to Louisville Muhammad Ali International Airport? If you want to travel next month, return fares start from $640. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa to Louisville Muhammad Ali International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to Louisville Muhammad Ali International flights are currently cheapest in June.

Ottawa to Louisville Muhammad Ali International: Alternative routes

Compare routes from Ottawa to Louisville below. You may find an airport to fly into that's cheaper, faster, or easier than Louisville Muhammad Ali International.

Ottawa to Louisville: Flight information

The things to know before you go.
Cheapest flight found$597
Cheapest month to flyJune

Finding cheap flights from Ottawa to Louisville Muhammad Ali International: Frequently asked questions

The best price we found for a return flight from Ottawa to Louisville Muhammad Ali International is $597. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ottawa to Louisville Muhammad Ali International. But we found flights with one stop from $597.
As of May 2026, there are no flights flying from Ottawa to Louisville Muhammad Ali International.
The cheapest month to fly from Ottawa to Louisville Muhammad Ali International is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Louisville Muhammad Ali International Airport on Friday, 26 June 2026.
No airlines currently offer direct flights between Ottawa and Louisville Muhammad Ali International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Louisville Muhammad Ali International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Louisville is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Louisville Muhammad Ali International is United .

Flying from Ottawa to Louisville Muhammad Ali International Airport (SDF): What you need to know

  • Ottawa and Louisville (where Louisville Muhammad Ali International Airport is located) share the UTC-5 timezone. That means you won't have to change your watch when you arrive.

  • Arrive at the airport on time so you don't miss your flight from Ottawa to SDF. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Travelling during a popular month like August? School holidays and other popular seasons can lead to longer lines at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

Airports in Ottawa

Ottawa Macdonald-Cartier International Airport (YOW)

  • Travelling from central Ottawa to YOW takes about 35 minutes by public transport. If you ride-share, drive or take a taxi, you'll cover the 14 kilometres in 20 minutes or so, depending on traffic.

  • Catching an early flight from Ottawa to Louisville Muhammad Ali International Airport? Avoid rushing to the terminal (and sneak in some extra precious sleep) by picking one of these stays close to Ottawa Macdonald-Cartier International Airport:

  • Of all flights departing from Ottawa Macdonald-Cartier International Airport, 58% land on time at their destination.

  • You'll find YOW at 50 Airport Road.

About Louisville Muhammad Ali International Airport (SDF)

Getting from Louisville Muhammad Ali International Airport (SDF) to central Louisville

  • From Louisville Muhammad Ali International Airport, central Louisville is around 16 kilometres away. It takes about 20 minutes to reach the city centre by car.

  • If you're travelling on public transport, expect a journey time of around 55 minutes.

How to find the cheapest flights from Ottawa to Louisville Muhammad Ali International Airport (SDF)

  • $323 is currently the best price for a one-way ticket from Ottawa to Louisville Muhammad Ali International Airport. A return flight starts at $597. These fares can change depending on availability.

  • Booking in advance is often the key to scoring a cheap flight from Ottawa to SDF. Fares tend to rise as demand increases, so the closer your departure date, the more you'll likely pay.

  • Cheap Ottawa to Louisville Muhammad Ali International Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' tool to compare fares across the month and then pick the cheapest day.

  • Stay on top of deals for plane tickets from Ottawa to SDF by creating a Price Alert. We'll send you an email or notification through the app when prices go down.

  • Filters make it easier to track down a bargain for your flight from Ottawa to Louisville Muhammad Ali International Airport. Choose the airlines, flight times and number of stops that check all your boxes. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Ottawa to Louisville Muhammad Ali International Airport (SDF)

  • It's time to figure out when to book your flight from Ottawa to Louisville Muhammad Ali International Airport (SDF). October is the busiest month to visit Louisville. If you like things a bit more low-key, head there in September.

  • Book a Ottawa to SDF plane ticket departing in July if you're eager to visit the city during its warmest month. Expect temperatures in Louisville to range from 17ºC to 33ºC.

  • January has temperatures of between -8ºC and 9ºC. Look for cheap tickets from Ottawa to Louisville Muhammad Ali International Airport around that time if you want to travel in cooler conditions.

More about Louisville

Explore more of the United States

  • You've seen Louisville, now it's time to explore other parts of the United States. Journey about 306 kilometres northeast to Columbus to tick off its top attractions. From Franklin Park Conservatory and Botanical Gardens to Whetstone Park / Park of Roses and Easton Town Centre, there's plenty to keep you on the go.

  • Indianapolis is another favourite destination in the United States and is around 177 kilometres north of Louisville. No journey is complete without visiting Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.