$90 Cheap Flights from Philadelphia (PHL) to Louisville (SDF)

View $90 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)

Cheap Flights from Philadelphia to Louisville (PHL-SDF)

Prices were available within the past 7 days and start at $90 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Dec 2 - Thu, Dec 4
PHL
Philadelphia
SDF
Louisville
$179 Roundtrip, found 2 days ago
$179
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Tue, Dec 2 from Philadelphia to Louisville, returning Thu, Dec 4, priced at $179 found 2 days ago
Spirit Airlines
Tue, Dec 2 - Mon, Dec 8
PHL
Philadelphia
SDF
Louisville
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, Dec 2 from Philadelphia to Louisville, returning Mon, Dec 8, priced at $198 found 3 days ago
Spirit Airlines
Tue, Dec 2 - Fri, Dec 5
PHL
Philadelphia
SDF
Louisville
$209 Roundtrip, found 19 hours ago
$209
Roundtrip
found 19 hours ago
Select Spirit Airlines flight, departing Tue, Dec 2 from Philadelphia to Louisville, returning Fri, Dec 5, priced at $209 found 19 hours ago
Spirit Airlines
Tue, Nov 25 - Thu, Jan 8
PHL
Philadelphia
SDF
Louisville
$214 Roundtrip, found 5 days ago
$214
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Tue, Nov 25 from Philadelphia to Louisville, returning Thu, Jan 8, priced at $214 found 5 days ago
Spirit Airlines
Mon, Nov 10 - Sun, Nov 23
PHL
Philadelphia
SDF
Louisville
$231 Roundtrip, found 6 days ago
$231
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Mon, Nov 10 from Philadelphia to Louisville, returning Sun, Nov 23, priced at $231 found 6 days ago
Spirit Airlines
Wed, Jan 7 - Wed, Jan 14
PHL
Philadelphia
SDF
Louisville
$261 Roundtrip, found 13 hours ago
$261
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Wed, Jan 7 from Philadelphia to Louisville, returning Wed, Jan 14, priced at $261 found 13 hours ago
Southwest Airlines
Sat, Dec 13 - Thu, Jan 8
PHL
Philadelphia
SDF
Louisville
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Dec 13 from Philadelphia to Louisville, returning Thu, Jan 8, priced at $273 found 1 day ago
American Airlines
Mon, Nov 24 - Thu, Nov 27
PHL
Philadelphia
SDF
Louisville
$355 Roundtrip, found 11 hours ago
$355
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Philadelphia to Louisville, returning Thu, Nov 27, priced at $355 found 11 hours ago
United
Sun, Feb 15 - Wed, Feb 18
PHL
Philadelphia
SDF
Louisville
$355 Roundtrip, found 19 hours ago
$355
Roundtrip
found 19 hours ago
Select United flight, departing Sun, Feb 15 from Philadelphia to Louisville, returning Wed, Feb 18, priced at $355 found 19 hours ago
Delta
Wed, Dec 24 - Wed, Dec 31
PHL
Philadelphia
SDF
Louisville
$489 Roundtrip, found 8 hours ago
$489
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Dec 24 from Philadelphia to Louisville, returning Wed, Dec 31, priced at $489 found 8 hours ago

Find the cheapest month to fly from Philadelphia (PHL) to Louisville (SDF)

March is typically the cheapest month to fly

From $157 - $507 per traveler.

Alternative airports near Louisville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Louisville Intl. SDF. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $369
SDF
Louisville Intl.
CheapestClosest
Average driving time to city center9 min
Flights from $369

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF) cost?
Get a cheap one-way flight from $90 or cheap return flight from $179 from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)?
December is the cheapest month to fly from PHL to SDF. Traveling during an off-peak travel window is often the key to better flight prices.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)?
Take a nonstop flight with American Airlines and head straight from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF).
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from PHL to SDF. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)?
When taking off from Philadelphia Intl. Airport (PHL), you'll have your pick from an average of 2 daily direct flights to Louisville Intl. Airport (SDF).
What are the most popular departure times for flights from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)?
Flights between PHL and SDF are busiest at 3 PM. If you'd like a more relaxed experience and possibly cheaper tickets, look for a time outside the usual busy windows.
What day of the week has the most flights from PHL to SDF?
If you depart on a Friday, you'll get the greatest range of choices for flights from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF).
What is the earliest flight from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)?
Take the earliest flight at around 8:35AM UTC-5, heading out of Philadelphia Intl. Airport (PHL). You'll be flying for around 2h 26m, arriving at Louisville Intl. Airport (SDF) at approximately 11:01AM UTC-5.
How long does it take to fly from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)?
Flights from PHL to SDF have an average travel time of 2 hours and 22 minutes. The distance between the two is 580 mi.
What airline has the least delays from PHL to SDF?
Consider traveling with American Airlines if you'd like to go straight from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF) without any interruptions. This carrier has the strongest track record for punctuality, with an on-time score of 85%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)?
Opt for a flight from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Louisville from Philadelphia Intl. Airport (PHL)?
If you've booked a direct flight from Philadelphia Intl. Airport (PHL) to Louisville, Louisville Intl. Airport (SDF) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF) last-minute?
Last-minute bookings from PHL to SDF are typically more expensive. To lock in the best prices, start looking for flights well in advance. That being said, if your travel plans are flexible, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a PHL to SDF flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHL to SDF flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Louisville Intl. Airport (SDF)?
Typically, it's possible to cancel or reschedule your PHL to SDF flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$179
Distance
575 mi
Average flight time
2 hours 15 mins

Book with confidence

Philadelphia to Louisville Flights

The cheapest times to fly from Philadelphia to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Louisville are during the month of December. You can find some of the cheapest flights from Philadelphia to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Louisville

Sunday is one of the best days to book for cheap flights from Philadelphia to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $90 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Louisville Flights

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*Available to One Key members.