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CA $610 Cheap Flights from Saint John (YSJ) to Louisville (SDF)

View CA $610 flight on Wed, Sep 23, 2026Opens in a new window

Popular airlines from Saint John, NB (YSJ) to Louisville International Airport (SDF)

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Cheap flights from Saint John (YSJ) to Louisville (SDF)

Prices were available within the past 7 days and start at CA $610 for one-way flights and CA $1,978 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Sep 18 - Mon, Sep 21
YSJ
Saint John
SDF
Louisville
CA $1,978 Roundtrip, found 6 days ago
CA $1,978
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Sep 18 from Saint John to Louisville, returning Mon, Sep 21, priced at CA $1,978 found 6 days ago
Air Canada
Fri, Sep 18 - Mon, Sep 21
YSJ
Saint John
SDF
Louisville
CA $1,985 Roundtrip, found 6 days ago
CA $1,985
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Sep 18 from Saint John to Louisville, returning Mon, Sep 21, priced at CA $1,985 found 6 days ago
Air Canada
Fri, Sep 18 - Mon, Sep 21
YSJ
Saint John
SDF
Louisville
CA $2,246 Roundtrip, found 6 days ago
CA $2,246
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Sep 18 from Saint John to Louisville, returning Mon, Sep 21, priced at CA $2,246 found 6 days ago
Air Canada
Fri, Sep 18 - Mon, Sep 21
YSJ
Saint John
SDF
Louisville
CA $2,253 Roundtrip, found 6 days ago
CA $2,253
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Sep 18 from Saint John to Louisville, returning Mon, Sep 21, priced at CA $2,253 found 6 days ago
Air Canada
Fri, Sep 18 - Mon, Sep 21
YSJ
Saint John
SDF
Louisville
CA $2,351 Roundtrip, found 6 days ago
CA $2,351
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Sep 18 from Saint John to Louisville, returning Mon, Sep 21, priced at CA $2,351 found 6 days ago
Air Canada
Fri, Sep 18 - Mon, Sep 21
YSJ
Saint John
SDF
Louisville
CA $2,358 Roundtrip, found 6 days ago
CA $2,358
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Sep 18 from Saint John to Louisville, returning Mon, Sep 21, priced at CA $2,358 found 6 days ago
Air Canada
Fri, Sep 18 - Mon, Sep 21
YSJ
Saint John
SDF
Louisville
CA $2,619 Roundtrip, found 6 days ago
CA $2,619
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Sep 18 from Saint John to Louisville, returning Mon, Sep 21, priced at CA $2,619 found 6 days ago
Air Canada
Fri, Sep 18 - Mon, Sep 21
YSJ
Saint John
SDF
Louisville
CA $2,626 Roundtrip, found 6 days ago
CA $2,626
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Sep 18 from Saint John to Louisville, returning Mon, Sep 21, priced at CA $2,626 found 6 days ago

Frequently asked questions

How much does a flight from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) cost?
You can find one-way and return flights from YSJ to SDF with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when YSJ to SDF ticket fares go up or down.
What is the cheapest month to fly from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
The cheapest months to fly from YSJ to SDF are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
Enter YSJ to SDF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
To find a cheap flight from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
There are approximately 3 connecting flights per day from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.). Some common connection points include Pearson Intl. (YYZ) and Pierre Elliott Trudeau Intl. (YUL).
What is the earliest flight from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
The earliest flight from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) typically departs around 5:40 AM local time. This flight is operated by Air Canada and Delta. This is a seasonal service, active only in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
You'll typically find the most flights from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) on a Thursday, with around 3 flights available. Air Canada is a major airline on this route. Flight schedules are consistent throughout the week, so you should have several flight options regardless of the day you choose to fly.
What are the most popular departure times for flights from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
The most popular departure time for flights from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) is in the early morning, between 3am and 6am. Air Canada offers flights during this window. Many travellers prefer this time as it allows for an early start to their journey.
How long does it take to fly from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
There are no nonstop flights from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.). Flights with two or more stops typically take around 15 hours 48 minutes to cover the 1,822 kilometers between these cities. Keep in mind that actual travel times can vary depending on your specific routing, layover durations, and even weather conditions.
Can you fly business or first class from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
Select the "Business class" and "First class" filters when looking for YSJ to SDF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) flight with Expedia?
It's easy to earn miles on a Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Louisville, KY (SDF) from Saint John, NB (YSJ)?
If you're planning to travel to Louisville from Saint John Airport (YSJ), you typically fly into Louisville International Airport (SDF) which offers international flights and connections. Some flights may connect through major hubs like Pearson International Airport (YYZ) before reaching Louisville. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) at the last minute?
Typically, booking a last minute flight from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) flight and hotel package?
Securing a Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.)?
If you booked your Saint John, NB (YSJ) to Louisville, KY (SDF-Louisville Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Saint John
Destination airport
Louisville Intl.
Roundtrip price
CA $1,978
Distance
1811 km

Book with confidence

Saint John to Louisville Flights

The easy way to book your flights from Saint John to Louisville 

With Expedia, it’s simple to find and book flights to Louisville from Saint John whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 14 airlines that cover this route. There are nonstop flights to Louisville Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Saint John to Louisville today, tomorrow, or this week.  

 

Save dollars with cheap flights from Saint John, YSJ to Louisville Intl., SDF 

Sort your search results by price to find great deals on your flight from Saint John to Louisville—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Louisville from Saint John currently is just CA $1,978 rising to CA $2,626.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Louisville  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Louisville from Saint John 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Louisville with Expedia today.

Saint John to Louisville Flights

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