PHL - SDF

$107 Find Cheap Flights from Philadelphia to Louisville - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$257
Typical prices: $510-$600
Multiple Airlines
Wed 11/7Fri 11/9
PHL - SDF • 1 stop
Cheapest non-stop
$533
Typical prices: $519-$616
American Airlines
Sun 10/28Sun 11/4
PHL - SDF • Non-stop
Nonstop flights
You can fly direct with American Airlines. Average duration is 2h 20m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 36% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 7% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $217 (round-trip)
Shortest trip • 4h 11m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Philadelphia to Louisville (PHL-SDF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Louisville

Sat, Nov 7 - Mon, Nov 9
Multiple Airlines Logo
7:42 am - 3:26 pmPHL  Philadelphia-SDF Louisville Intl
7h 44m1 stop Raleigh-Durham
Multiple Airlines Logo
6:53 pm - 6:19 pmSDF  Louisville Intl-PHL Philadelphia
23h 26m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson
$257Multiple Airlines
Sat, Nov 14 - Mon, Nov 16
Multiple Airlines Logo
7:42 am - 3:26 pmPHL  Philadelphia-SDF Louisville Intl
7h 44m1 stop Raleigh-Durham
Multiple Airlines Logo
6:53 pm - 6:19 pmSDF  Louisville Intl-PHL Philadelphia
23h 26m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson
$258Multiple Airlines
Thu, Oct 29 - Sun, Nov 1
Multiple Airlines Logo
5:59 pm - 3:32 pmPHL  Philadelphia-SDF Louisville Intl
21h 33m1 stop Tampa
Multiple Airlines Logo
9:11 pm - 9:30 amSDF  Louisville Intl-PHL Philadelphia
12h 19m1 stop Orlando Sanford Intl
$261Multiple Airlines
Wed, Oct 7 - Sun, Oct 18
Multiple Airlines Logo
9:30 am - 8:31 pmPHL  Philadelphia-SDF Louisville Intl
11h 01m1 stop Raleigh-Durham
Multiple Airlines Logo
9:18 pm - 7:21 amSDF  Louisville Intl-PHL Philadelphia
34h 03m2 stops Orlando Sanford Intl Atlanta Hartsfield-Jackson
$264Multiple Airlines
Mon, Nov 2 - Wed, Nov 4
Southwest Logo
1:50 pm - 9:00 pmPHL  Philadelphia-SDF Louisville Intl
7h 10m1 stop Chicago Midway
Southwest Logo
7:20 am - 1:15 pmSDF  Louisville Intl-PHL Philadelphia
5h 55m1 stop Nashville Intl
$337Southwest
Tue, Nov 3 - Wed, Nov 4
Southwest Logo
1:25 pm - 8:30 pmPHL  Philadelphia-SDF Louisville Intl
7h 05m1 stop Chicago Midway
Southwest Logo
2:05 pm - 9:20 pmSDF  Louisville Intl-PHL Philadelphia
7h 15m1 stop Chicago Midway
$337Southwest
Mon, Oct 26 - Thu, Oct 29
Southwest Logo
2:35 pm - 9:40 pmPHL  Philadelphia-SDF Louisville Intl
7h 05m1 stop Orlando
Southwest Logo
8:20 am - 2:40 pmSDF  Louisville Intl-PHL Philadelphia
6h 20m1 stop Chicago Midway
$337Southwest
Sat, Oct 3 - Tue, Oct 6
American Airlines Logo
8:41 pm - 10:55 pmPHL  Philadelphia-SDF Louisville Intl
2h 14mnonstop
American Airlines Logo
10:08 am - 8:10 pmSDF  Louisville Intl-PHL Philadelphia
10h 02m1 stop Chicago O'Hare Intl
$489American Airlines
Mon, Oct 19 - Sat, Oct 24
American Airlines Logo
12:41 pm - 9:35 pmPHL  Philadelphia-SDF Louisville Intl
8h 54m1 stop Chicago O'Hare Intl
American Airlines Logo
7:15 am - 9:19 amSDF  Louisville Intl-PHL Philadelphia
2h 04mnonstop
$506American Airlines
Wed, Oct 28 - Wed, Nov 4
American Airlines Logo
9:40 am - 12:08 pmPHL  Philadelphia-SDF Louisville Intl
2h 28mnonstop
American Airlines Logo
11:08 am - 1:05 pmSDF  Louisville Intl-PHL Philadelphia
1h 57mnonstop
$533American Airlines
Booking Insights

Price, demand and travel trends for Philadelphia to Louisville flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Philadelphia to Louisville with more confidence.

What's the cheapest day of the week to fly from Philadelphia to Louisville?

Wednesday is the cheapest day of the week to fly from Philadelphia to Louisville, it is 5% cheaper than the average day. Monday is the most expensive day with flight prices 21% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Philadelphia to Louisville?

  • March is the cheapest month to fly from Philadelphia to Louisville at $514 round-trip.
  • October ($573) and December ($569) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 11% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Philadelphia to Louisville the cheapest?

Flights from Philadelphia to Louisville are cheapest 14 weeks before departure. Booking in this window typically costs about 36% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Philadelphia to Louisville flights

Low season

January

Cheapest flight

$107
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Philadelphia to Louisville

When to book flights from Philadelphia to Louisville

Are your dates flexible? Find out the best times to travel from Philadelphia to Louisville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Philadelphia to Louisville flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Philadelphia to Louisville flights?

    Among airlines operating Philadelphia to Louisville flights:

    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Philadelphia to Louisville?

    Only American Airlines operates flights between Philadelphia and Louisville.

  • Which airports can I use when flying from Philadelphia to Louisville?

    Flights from Philadelphia to Louisville usually depart from Philadelphia (PHL) and arrive at Louisville Intl (SDF).

  • Which airlines include bags at no extra cost on Philadelphia to Louisville flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Philadelphia to Louisville?

    Two cabin classes are available on flights from Philadelphia to Louisville:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from Philadelphia to Louisville?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $217 round-trip via Fort Lauderdale (FLL), compared to $556 for nonstop.

  • What is the standard checked-bag allowance on flights from Philadelphia to Louisville?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $50–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Philadelphia to Louisville?

    The Embraer 175 family is used most often on this route, operated mainly by American Airlines and Delta. Other aircraft seen on the route include Embraer ERJ-145 variants.

  • Which airports do connecting flights from Philadelphia to Louisville pass through?

    One-stop flights from Philadelphia to Louisville most commonly connect through:

    • Chicago Midway (MDW) - 41% of one-stop connections
    • Fort Lauderdale (FLL) - 24% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 12% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 6% of one-stop connections

    Chicago Midway (MDW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Philadelphia to Louisville?

    Yes. Being flexible with your travel dates can save you up to 22% on the Philadelphia to Louisville route. Wednesday is the cheapest departure day at $525 round-trip on average, while Monday is the most expensive at $671, a difference of $146. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Philadelphia to Louisville spread across the day?

    Morning is the busiest departure period on Philadelphia to Louisville flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

  • What popular places can I visit in Louisville?

    Some of the most popular sights in Louisville are Louisville Waterfront Park and Masonic Widows and Orphans Home. These are among the most viewed places in Louisville on KAYAK.

  • What are the earliest and latest flights from Philadelphia to Louisville?

    These are the earliest and latest flight times available from Philadelphia to Louisville:

    • Earliest: departs at 8:10 am and lands at 10:30 am
    • Latest: departs at 9:08 pm and lands at 11:28 pm.

    The flight takes about 2h 20m.

  • How expensive are last-minute Philadelphia to Louisville flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 30% above the route average of $552. Book 14 weeks before departure for the lowest fares.

  • How long is a flight from Philadelphia to Louisville?

    A nonstop flight from Philadelphia to Louisville takes 2h 20m, covering 575 miles.

  • Do I need a passport to fly from Philadelphia to Louisville?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Philadelphia to Louisville changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $257 to $1,143. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Philadelphia to Louisville looking right now?

    One-way fares from Philadelphia to Louisville are currently lower than usual. Average one-way flight prices are about $206, which is 43% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Philadelphia to Louisville?

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 4h 11m, compared with 4h 20m via Detroit Metropolitan Wayne County (DTW) and 4h 37m via Atlanta Hartsfield-Jackson (ATL).

  • What car rental options are available at Louisville Intl Airport (SDF)?

    Louisville Intl Airport (SDF) hosts 5 major car rental companies, with daily rates starting from around $32 for economy cars. Top options include:
    • Hertz
    • Dollar
    • Alamo
    • Thrifty
    • Budget

  • How much should I expect to pay for a Philadelphia to Louisville flight?

    Round-trip flights from Philadelphia to Louisville range from $510 to $600, with an average of $552 over the past 12 months. Anything below $510 counts as a good deal.

  • Which airlines offer Wi-Fi on Philadelphia to Louisville flights?

    Two airlines offer in-flight Wi-Fi on Philadelphia to Louisville flights:

    • • American Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Philadelphia to Louisville flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $525 - about $146 less than Monday (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 36% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Philadelphia to Louisville trip for March. Fares historically average $514 round-trip in that month - typically $59 less than the most expensive month, which is October (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Fort Lauderdale Airport (FLL) can be cheaper than flying direct. The cheapest layover option averages $217 round-trip on this route - about $339 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Louisville Intl Airport.
    - Days Inn by Wyndham Louisville Airport Fair and Expo Center
    - Best Western Louisville Airport Expo
    - Baymont by Wyndham Louisville Airport South

Prefer to fly direct from Philadelphia to Louisville?

 
Find which airlines fly direct from Philadelphia Airport to Louisville Intl Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to Louisville Intl

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

Direct returns

Louisville Intl to Philadelphia

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

More options for your flight from Philadelphia to Louisville

Complete your trip to Louisville with a hotel stay or car rental