C$155 Cheap Flights from Philadelphia (PHLA) to Louisville Muhammad Ali International (SDF)

Compare Philadelphia 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 Philadelphia to Louisville Muhammad Ali International

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Louisville Muhammad Ali International Airport? If you want to travel next month, return fares start from C$473. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia to Louisville Muhammad Ali International from C$155 one-way

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

Which airlines fly from Philadelphia to Louisville Muhammad Ali International?

Philadelphia to Louisville Muhammad Ali International: Alternative routes

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

Philadelphia to Louisville: Flight information

The things to know before you go.
Cheapest flight foundC$155
Cheapest month to flySeptember
Average flight time2 hrs, 19 mins
Most popular airlineAmerican Airlines
Average flights per week152

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

The best price we found for a return flight from Philadelphia to Louisville Muhammad Ali International is C$394. 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.
2 hours and 19 minutes is the average flight time from Philadelphia to Louisville Muhammad Ali International.
American Airlines, Piedmont Airlines and Alaska Airlines fly direct from Philadelphia to Louisville Muhammad Ali International.
As of May 2026, there are 76 flights per week flying from Philadelphia to Louisville Muhammad Ali International.
The cheapest month to fly from Philadelphia to Louisville Muhammad Ali International is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Louisville Muhammad Ali International Airport on Wednesday, July 29, 2026.
Yes – the average flight time is 2 hours and 19 minutes.
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.

Travelling from Philadelphia to Louisville International Airport-Standiford Field (SDF): what you need to know

  • All great adventures start at one of Philadelphia's main airports, Philadelphia International Airport (PHL) or Trenton-Mercer Airport (TTN). Check out your options for booking a flight from Philadelphia to Louisville International Airport-Standiford Field (SDF) departing from either of these bases.

  • Approximately 2 hours 14 minutes is how long you can expect to be travelling on a direct flight from Philadelphia to Louisville International Airport-Standiford Field.

  • Louisville's timezone is UTC-4, which is the same as Philadelphia. Louisville International Airport-Standiford Field is located in Louisville.

  • With 25 direct weekly flights between the two airports, Philadelphia International Airport (PHL) to Louisville International Airport-Standiford Field (SDF) is the busiest route. American Airlines operates the earliest flight at 08:17. If you'd like to make the most of your day before taking off, the latest departure from PHL to SDF is with American Airlines at 19:29.

  • To ensure you catch your flight from Philadelphia to SDF, leave enough time to check in and drop off your luggage. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • Travelling during a peak month like August? Popular periods (like spring break, summer and Thanksgiving) can add another hour at security. Be extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Get to your destination in one go from Philadelphia International Airport (PHL). Direct flights from Philadelphia to Louisville International Airport-Standiford Field Airport (SDF) are available from here.

  • When jetting out of PHL, you can take a direct flight from Philadelphia to Louisville International Airport-Standiford Field Airport with American Airlines.

  • From the centre of Philadelphia, PHL is approximately 19 kilometres away. Use navigation apps or check the official airport website to work out the best way to reach the terminal.

  • Searching for a convenient hotel close to Philadelphia International Airport? If you're catching an early flight from Philadelphia to Louisville International Airport-Standiford Field Airport, these accommodation options will have you moments from check-in:

About Louisville International Airport-Standiford Field Airport (SDF)

Getting from Louisville International Airport-Standiford Field Airport (SDF) to central Louisville

  • From Louisville International Airport-Standiford Field Airport, Louisville is approximately 23 kilometres away. It takes around 24 minutes to reach the centre driving.

  • If you're travelling by public transport, expect a journey time of roughly 2 hours and 41 minutes.

How to find the cheapest flights from Philadelphia to Louisville International Airport-Standiford Field Airport (SDF)

  • For a one-way ticket from Philadelphia to Louisville International Airport-Standiford Field Airport, C$155 is the cheapest price. You can also book a return trip starting from C$394. These are the lowest fares right now and may vary based on availability.

  • Book 8 months before you want to fly. After crunching the numbers on our calendar, this is how far you should book ahead to find flight tickets from Philadelphia to SDF.

  • To snag the best deal on your tickets from Philadelphia to Louisville International Airport-Standiford Field Airport, book your trip for May (it's when flights are cheapest). Travel dates flexible? Use the 'Whole month' tool to zero in on the most affordable day to fly.

  • Create a Price Alert for flight tickets from Philadelphia to SDF. There's no need to search every day to find out if fares have dropped. We'll tell you as soon as the price changes.

  • Tailor your trip with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Philadelphia to Louisville International Airport-Standiford Field Airport.

The best time to fly from Philadelphia to Louisville International Airport-Standiford Field Airport (SDF)

  • July is the most popular month for flights from Philadelphia to Louisville International Airport-Standiford Field Airport. To avoid the crowds, travel to Louisville in April when it's quieter.

  • Before locking in your flight from Philadelphia to SDF, think about the type of weather you enjoy. July is the warmest month in Louisville, with the temperature ranging from 17ºC to 33ºC.

  • January has average temperatures of between -8ºC and 9ºC. Look for cheap flights from Philadelphia to Louisville International Airport-Standiford Field Airport sometime then if you like travelling in cooler conditions.

More about Louisville

Complete your Louisville trip with a car rental

  • Get behind the wheel of one of our car rentals in Louisville and see the city at your own pace. Easily compare prices from trusted providers in one go after booking your hotel and cheap flights from Philadelphia to Louisville International Airport-Standiford Field.

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