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$38+ Cheap flights from Kentucky to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PHL
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
1 adult, Economy
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Cheap flight deals from Kentucky to Philadelphia

Cheapest flights from Kentucky to Philadelphia
Explore the most affordable flight options available from Kentucky to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:56 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 8/165:36 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/4$77
This Gotogate deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/184:05 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 6/216:45 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/5$78
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:46 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Thu 6/46:27 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/1$82
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:46 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 5/316:26 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/1$87
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:03 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Thu 5/286:26 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/5$92
This Booking.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:38 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 8/26:18 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/5$94
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/73:46 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Thu 6/116:27 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/4$103
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/254:05 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Thu 7/26:18 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/5$105
This Booking.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/313:46 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 6/76:26 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/1$108
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/113:47 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Thu 6/186:45 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/1$110
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:46 pm
CVG
-
PHL
1 stop6h 28m
Frontier
Sat 5/306:30 am
PHL
-
CVG
1 stop5h 11m
Frontier
Deal found 5/4$180
This Orbitz deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:46 pm
CVG
-
PHL
1 stop9h 24m
Frontier
Wed 6/108:00 am
PHL
-
CVG
1 stop12h 35m
Frontier
Deal found 5/2$185

Find flight deals from Kentucky to Philadelphia

Keep the following information in mind while searching for Kentucky to Philadelphia flight deals. Data was last updated May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$77
(Kiwi.com)

One-way from

$38
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$509

Good round-trip deal

$379 or less

Good one-way deal

$210 or less
Provider with most accurate pricing for Louisville Intl-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Philadelphia flights.
Search Deals
From Kentucky to Philadelphia
Search Deals
One-way flight from Kentucky to Philadelphia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Kentucky to Philadelphia.
Search Deals
Price to beat on a one-way flight from Kentucky to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
Use the filters below to find and compare flights from Kentucky to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 5/28

9:19 pm-3:02 pm

1 stop17h 43m

Philadelphia

Sun 5/31

6:26 pm-8:29 pm

Nonstop2h 03m

$161

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Sat 6/6

10:00 am-1:05 pm

Nonstop2h 05m

Philadelphia

Wed 6/17

9:35 am-10:35 am

Nonstop2h 00m

$282

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Mon 6/8

4:00 pm-9:19 pm

1 stop5h 19m

Philadelphia

Sun 6/14

5:15 am-9:40 am

1 stop4h 25m

$289

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Thu 5/28

3:50 pm-8:49 pm

1 stop4h 59m

Philadelphia

Thu 6/4

5:17 am-9:31 am

1 stop4h 14m

$289

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Wed 6/24

10:05 am-1:10 pm

Nonstop2h 05m

Philadelphia

Sat 6/27

7:55 am-9:00 am

Nonstop2h 05m

$293

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Wed 7/22

7:50 pm-10:50 pm

Nonstop2h 00m

Philadelphia

Wed 7/29

7:20 pm-8:45 pm

Nonstop2h 25m

$297

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Thu 5/28

3:27 pm-12:40 am

1 stop9h 13m

Philadelphia

Thu 6/4

1:32 pm-8:14 am

2 stops18h 42m

$323

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Mon 6/8

5:02 pm-8:51 am

1 stop15h 49m

Philadelphia

Sun 6/14

7:22 pm-12:07 pm

2 stops16h 45m

$332

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Fri 7/17

9:20 pm-12:20 am

Nonstop2h 00m

Philadelphia

Tue 8/4

1:45 pm-6:50 pm

1 stop6h 05m

$354

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Thu 6/18

9:20 pm-12:20 am

Nonstop2h 00m

Philadelphia

Thu 6/25

8:25 pm-9:50 pm

Nonstop2h 25m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Kentucky to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Kentucky with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Philadelphia

How far ahead should I book a flight from Kentucky to Philadelphia?

To ensure you get the cheapest price possible for a flight from Kentucky to Philadelphia, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Kentucky to Philadelphia?

Currently, February is the cheapest month in which you can book a flight from Kentucky to Philadelphia (average of $119). Flying from Kentucky to Philadelphia in April is currently the most expensive (average of $399). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KY to PHL?

Find hourly flight availability from Kentucky to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 7, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to Philadelphia as you normally would.

Weekly flight availability from Kentucky to Philadelphia

Explore weekly flight availability from Kentucky to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 7, 2026.

The most flights from USKY to PHL are scheduled on a Monday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Kentucky to Philadelphia?

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from Kentucky?

    If you book a flight to Philadelphia from Kentucky, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia.

  • How popular is this Kentucky to Philadelphia flight route?

    The Kentucky to Philadelphia flight path was viewed by 10 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Kentucky to Philadelphia?

    Southwest, Delta, and Frontier can get you from Kentucky to Philadelphia in just under 2h 05m. Your travel time can differ by up to 5h 16m. There are 674 mi between Kentucky and Philadelphia. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kentucky to Philadelphia one-way?

    One-way options have recently been found by users for as low as $49 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $113 and Southwest from $152 one-way.

  • What are the most popular routes from Kentucky to Philadelphia?

    The most popular route from Kentucky to Philadelphia is Nashville Intl - Philadelphia. You may also consider Cincinnati Cinci./N. Kentucky - Philadelphia or Louisville Intl - Philadelphia.

  • What are the most reliable airlines from Kentucky to Philadelphia?

    No one likes to see their flight delayed. When booking a flight from Kentucky to Philadelphia consider choosing Republic Airways (96%), American Airlines (91%) or Aer Lingus (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Kentucky to Philadelphia?

    The cheapest flight price from Kentucky to Philadelphia is $187. On average you can expect to pay $491. The most popular route, (Nashville Intl - Philadelphia), can usually be booked for $236.

  • Can I find deals for flights from Kentucky to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Kentucky to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Philadelphia.

  • Can I find deals for business class flights from Kentucky to Philadelphia?

    Yes. Cheapflights offers flight deals from Kentucky to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to Philadelphia?

    Currently, February is the cheapest month in which you can book a flight from Kentucky to Philadelphia (average of $119). Flying from Kentucky to Philadelphia in April is currently the most expensive (average of $399). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Lewes
Dewey Beach
Pottstown
Vineland
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kentucky to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Kentucky to Philadelphia

Discover the top 4 airlines that operate flights from Kentucky to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$119Average$231FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$215Average$398FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$277Average$532FlexibilityNo cancel feeOn-time71%
DeltaCheapest$380Average$539FlexibilityNo cancel feeOn-timeN/A

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