Cheap flight deals from Philadelphia to Louisville Starting at Rp 1,441,033

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Philadelphia to Louisville?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
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  • 16 23
  • 23 30
  • Apr

    30 6
  • 6 13
  • 13 20
  • 20 27
  • May

    27 4
  • 4 11
  • 11 18
  • 18 25
  • Jun

    25 1
  • 1 8
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Philadelphia (PHL) to Louisville (SDF) the cheapest?

    Airlines adjust prices for flights from Philadelphia to Louisville based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Philadelphia (PHL) to Louisville (SDF) cost?

    According to Trip.com's data, the lowest price is around Rp 7,143,990.
  • How long does it take to fly from Philadelphia (PHL) to Louisville (SDF) and what is the distance?

    It takes around 2 hours 18 minutes to fly from Philadelphia (PHL) to Louisville (SDF).
  • What are the most popular airlines that fly from Philadelphia (PHL) to Louisville (SDF)?

    Airlines with flights from Philadelphia (PHL) to Louisville (SDF): Qatar Airways, American Airlines, Alaska Airlines and Aer Lingus.

How to find a cheap flight from Philadelphia to Louisville

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Philadelphia to Louisville. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest Philadelphia to Louisville ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Philadelphia to Louisville for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 3650164 for a one-way ticket on Tue, Apr 1.
2
Compare cheap Philadelphia to Louisville flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Philadelphia to Louisville. The most affordable airline currently operating on this route is American Airlines.
3
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Philadelphia to Louisville route to track ticket prices effortlessly—no need to check manually every day.
4
Don't miss out on cheap Philadelphia to Louisville flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
5
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
6
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Philadelphia to Louisville to access exclusive deals just for you.

Flight Info | Philadelphia to Louisville

Cheapest nonstop flight price Rp 1,441,033
Cheapest round-trip ticket price Rp 6,394,018
Off-season for travel April
Peak season for travel June
Flight distance 925.83 km
Average flight time 2 hours 18 minutes
Popular airline United Airlines