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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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PHL
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
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 June 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/17. 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 6/17$74
This Kiwi.com deal was found by Cheapflights users on 6/20. 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
Mon 8/244:35 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Deal found 6/20$77
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/93:44 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Thu 7/236:18 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 6/19$99
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/163:38 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 7/196:18 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 6/17$105
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/123:47 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Thu 7/166:18 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 6/17$114
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Mon 10/124:51 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Mon 10/197:21 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Deal found 6/21$116
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/93:44 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 7/126:27 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 6/18$119
This Mytrip deal was found by Cheapflights users on 6/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/193:38 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Thu 7/236:18 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 6/17$139
This Mytrip deal was found by Cheapflights users on 6/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:56 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 8/95:36 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 6/19$140
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Tue 7/1412:18 pm
CVG
-
PHL
1 stop10h 10m
Frontier
Tue 7/214:30 pm
PHL
-
CVG
1 stop19h 18m
Frontier
Deal found 6/20$166
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Wed 8/1912:26 pm
CVG
-
PHL
1 stop10h 07m
Frontier
Sat 8/224:45 pm
PHL
-
CVG
1 stop18h 36m
Frontier
Deal found 6/19$167
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Mon 7/1312:53 pm
CVG
-
PHL
1 stop18h 22m
Frontier
Wed 7/156:30 am
PHL
-
CVG
1 stop28h 43m
Frontier
Deal found 6/20$169

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 June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$74
(Kiwi.com)

One-way from

$38
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$568

Good round-trip deal

$469 or less

Good one-way deal

$315 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. 1% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 21, 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

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Thu 7/9

7:55 pm-12:59 am

1 stop5h 04m

Philadelphia

Wed 7/15

5:15 am-9:35 am

1 stop4h 20m

$289

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Wed 7/22

7:10 am-5:25 pm

2 stops10h 15m

Philadelphia

Wed 7/29

9:35 am-5:00 pm

2 stops7h 25m

$289

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Fri 7/24

4:14 pm-9:20 pm

1 stop5h 06m

Philadelphia

Sun 7/26

5:15 am-9:35 am

1 stop4h 20m

$289

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sun 11/1

12:49 pm-5:15 pm

1 stop4h 26m

Philadelphia

Sun 11/8

5:12 pm-10:24 pm

1 stop5h 12m

$289

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Sat 7/18

9:35 am-5:25 pm

1 stop6h 50m

Philadelphia

Tue 7/21

7:25 pm-8:50 pm

Nonstop2h 25m

$297

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Wed 7/15

7:50 pm-10:55 pm

Nonstop2h 05m

Philadelphia

Wed 7/22

7:25 pm-8:50 pm

Nonstop2h 25m

$306

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Tue 8/4

6:24 pm-12:57 am

1 stop5h 33m

Philadelphia

Wed 8/5

10:39 am-4:32 pm

2 stops6h 53m

$308

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Fri 7/10

9:05 am-1:09 am

1 stop16h 04m

Philadelphia

Sun 7/19

6:30 am-9:15 am

2 stops26h 45m

$314

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Wed 8/5

10:05 am-1:05 pm

Nonstop2h 00m

Philadelphia

Mon 8/10

5:55 am-7:00 am

Nonstop2h 05m

$316

NashvillePhiladelphia

BNA - PHL

BNAPHL

Nashville Intl

Sat 7/18

5:10 am-4:10 pm

2 stops10h 00m

Philadelphia

Sat 7/25

2:50 pm-10:15 pm

2 stops8h 25m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

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

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 January is currently the most expensive (average of $390). 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 June 21, 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 June 21, 2026.

The most flights from USKY to PHL are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip 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 48 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.

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 15 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?

    Delta, Southwest, and United Airlines can get you from Kentucky to Philadelphia in just under 5h 04m. Your travel time can differ by up to 5h 11m. There are 454 mi between Kentucky and Philadelphia. This flight may include one or multiple stops.

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

    The most popular route from Kentucky to Philadelphia is Cincinnati Cinci./N. Kentucky - Philadelphia. You may also consider Nashville Intl - Philadelphia or Lexington Blue Grass - 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 Aer Lingus (94%), Alaska Airlines (92%) or Republic Airways (91%) 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 $153. On average you can expect to pay $543. The most popular route, (Cincinnati Cinci./N. Kentucky - Philadelphia), can usually be booked for $197.

  • 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 January is currently the most expensive (average of $390). 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
Plymouth Meeting
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

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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 3 airlines flying from Kentucky to Philadelphia

Discover the top 3 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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$419FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$215Average$426FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$408Average$555FlexibilityNo cancel feeOn-time71%

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