Cheap Flights from Philadelphia (PHL) to Louisville (SDF)

Popular airlines from Philadelphia International Airport (PHL) to Louisville International Airport (SDF)

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Frequently asked questions

What is the cheapest month to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
May is typically the cheapest month to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.), with average round-trip fares around 985 CAD. This is about 25% lower than the average price throughout the year. May often sees lower prices as it's before the peak summer travel season, when demand tends to increase. Other cheap months to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.) include April and June.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Enter PHL to SDF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
To find a cheap flight from Philadelphia, PA (PHL-Philadelphia Intl.) 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 airline to fly with from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The best airline to fly with from Philadelphia, PA (PHL-Philadelphia Intl.) (PHL) to Louisville, KY (SDF-Louisville Intl.) (SDF) will differ from traveler to traveler. If you like to fly early, AA offers early morning flights. If price is the most important factor, AA typically offers the lowest fares. AA offers the most daily flights from Philadelphia, PA (PHL-Philadelphia Intl.) (PHL) to Louisville, KY (SDF-Louisville Intl.) (SDF), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Based on booking data from the past year, the cheapest months to fly from Philadelphia International Airport (PHL) to Louisville International Airport (SDF) are typically May and April, with average round-trip flights around 985 CAD. While July is the most popular month for this route, offering plenty of flight options, it's not the cheapest. If you're looking for the best value, aiming for May or April will help you find more budget-friendly fares.*Prices based on flights available on Expedia in the last year.
How many flights per day from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
There are approximately 4 nonstop flights per day from Philadelphia Intl. (PHL) to Louisville Intl. (SDF). For even more choice, look at flights that include layovers, as there are around 69 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Washington Dulles Intl. (IAD).
What is the earliest flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The earliest flight from Philadelphia, PA (PHL-Philadelphia Intl.) (PHL) to Louisville, KY (SDF-Louisville Intl.) (SDF) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in April. An early departure like this can help maximize 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
You'll typically find the most flights from Philadelphia Intl. (PHL) to Louisville Intl. (SDF) on a Sunday, with around 49 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, Delta Air Lines, and United Airlines. Flight schedules are consistent throughout the week, with only a slight variation in the number of flights.
What are the most popular departure times for flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The most popular departure times for flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.) are in the early morning, from 6am to 9am. About 24% of passengers prefer this time. Major carriers, including Delta and American Airlines, offer flights during this window. This timing works well because you can get an early start to your travel day and arrive in Louisville with plenty of time for your plans.
How long does it take to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Flying nonstop from PHL to SDF takes around 2 hours 20 minutes, with the route covering approximately 575 miles. Flights with a layover typically take 2 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Select the "Business class" and "First class" filters when looking for PHL 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.) flight with Expedia?
It's easy to earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) 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 from Philadelphia Intl. (PHL)?
From Philadelphia Intl. (PHL), you can fly into Louisville Intl. (SDF) to reach Louisville. Some flights may connect through major hubs like Washington Dulles Intl. (IAD), Logan Intl. (BOS), Orlando Intl. (MCO) 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.) at the last minute?
Typically, booking a last minute flight from Philadelphia, PA (PHL-Philadelphia Intl.) 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.) flight and hotel package?
Securing a Philadelphia, PA (PHL-Philadelphia Intl.) 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Louisville, KY (SDF-Louisville Intl.)?
If you booked your Philadelphia, PA (PHL-Philadelphia Intl.) 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
Philadelphia Intl.
Destination airport
Louisville Intl.
Distance
920 km
Average flight time
2 hours 16 mins

Book with confidence

Compare flights from Philadelphia to Louisville easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Philadelphia to Louisville. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Louisville Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Philadelphia Intl. to Louisville Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Philadelphia Intl. (PHL) to Louisville Intl. (SDF)

The easiest way to view the best deals on flights from Philadelphia to Louisville today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Philadelphia Intl. to Louisville Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Philadelphia and Louisville
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Philadelphia to Louisville flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Philadelphia Intl. to Louisville Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Philadelphia to Louisville easily and book with confidence

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