What is the cheapest airline that flies from Kentucky to Philadelphia?

Frontier, Delta, and Southwest are the most popular carriers operating from Kentucky to Philadelphia

What airlines fly to Philadelphia?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Philadelphia from Kentucky according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 4 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

How many flights depart from Kentucky to Philadelphia on average per week?

As of August 2026, there are 290 flights per week flying from Kentucky to Philadelphia. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in Kentucky, such as Louisville or Lexington, and flying into Philadelphia, then you can expect flight times to average 3h 53m and 3h 56m, respectively.

How many flights depart from Kentucky to Philadelphia on average per day?

As of August 2026, there are 41 flights per day flying from Kentucky to Philadelphia. The most common time of day flights depart is 7:00AM, with 62% of flights taking off in the afternoon.

When did momondo last update prices for flights from Kentucky to Philadelphia Airport?

Prices for flights from Kentucky to Philadelphia Airport refresh daily.

How many operators does momondo search for flights from Kentucky to Philadelphia Airport?

As of August 2026, there are 6 operators available to choose from for flights from Kentucky to Philadelphia Airport.

How old do you have to be to fly from Kentucky to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$30 Cheap Flights from Kentucky to Philadelphia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to Philadelphia

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:54 pm - 3:44 pmTYS Knoxville McGhee Tyson-PHL Philadelphia

1h 50mnonstop

5:34 pm - 7:34 pmPHL Philadelphia-TYS Knoxville McGhee Tyson

2h 00mnonstop

$63Allegiant Air

Fri, Sep 11 - Mon, Sep 14

1:54 pm - 3:44 pmTYS Knoxville McGhee Tyson-PHL Philadelphia

1h 50mnonstop

5:34 pm - 7:34 pmPHL Philadelphia-TYS Knoxville McGhee Tyson

2h 00mnonstop

$70Allegiant Air

Fri, Sep 11 - Mon, Sep 14

1:31 pm - 12:30 amTYS Knoxville McGhee Tyson-PHL Philadelphia

10h 59m1 stop Tampa St. Petersburg

5:34 pm - 7:34 pmPHL Philadelphia-TYS Knoxville McGhee Tyson

2h 00mnonstop

$123Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

12:26 pm - 7:16 amCVG Cincinnati Cinci./N. Kentucky-PHL Philadelphia

18h 50m1 stop Atlanta Hartsfield-Jackson

5:32 pm - 11:38 amPHL Philadelphia-CVG Cincinnati Cinci./N. Kentucky

18h 06m1 stop Atlanta Hartsfield-Jackson

$134Frontier

Tue, Sep 8 - Wed, Sep 9

12:43 pm - 7:16 amCVG Cincinnati Cinci./N. Kentucky-PHL Philadelphia

18h 33m1 stop Atlanta Hartsfield-Jackson

5:32 pm - 7:50 amPHL Philadelphia-CVG Cincinnati Cinci./N. Kentucky

14h 18m1 stop Atlanta Hartsfield-Jackson

$134Frontier

Mon, Sep 28 - Wed, Oct 7

10:54 am - 11:42 pmTYS Knoxville McGhee Tyson-PHL Philadelphia

12h 48m1 stop Fort Lauderdale

5:34 pm - 7:34 pmPHL Philadelphia-TYS Knoxville McGhee Tyson

2h 00mnonstop

$154Multiple Airlines

Thu, Sep 10 - Mon, Sep 14

6:30 pm - 9:30 pmBNA Nashville Intl-PHL Philadelphia

2h 00mnonstop

3:20 pm - 9:25 pmPHL Philadelphia-BNA Nashville Intl

7h 05m2 stops Chicago Midway Atlanta Hartsfield-Jackson

$227Southwest

Tue, Oct 27 - Fri, Oct 30

5:25 am - 1:55 pmBNA Nashville Intl-PHL Philadelphia

7h 30m2 stops Chicago Midway Lambert-St Louis

12:20 pm - 1:25 pmPHL Philadelphia-BNA Nashville Intl

2h 05mnonstop

$227Southwest

Mon, Oct 26 - Fri, Oct 30

6:38 am - 2:40 pmBNA Nashville Intl-PHL Philadelphia

7h 02m1 stop Charlotte Douglas

8:10 pm - 9:23 pmPHL Philadelphia-BNA Nashville Intl

2h 13mnonstop

$233American Airlines

Wed, Sep 9 - Tue, Sep 15

6:38 am - 2:48 pmBNA Nashville Intl-PHL Philadelphia

7h 10m1 stop Charlotte Douglas

8:10 pm - 9:23 pmPHL Philadelphia-BNA Nashville Intl

2h 13mnonstop

$233American Airlines

Sat, Sep 26 - Sat, Sep 26

Cheap last minute flights

Enter your travel dates to find the best prices.

1:55 pm - 3:45 pmTYS Knoxville McGhee Tyson-PHL Philadelphia

1h 50mnonstop

4:35 pm - 6:35 pmPHL Philadelphia-TYS Knoxville McGhee Tyson

2h 00mnonstop

$126Allegiant Air

Fri, Aug 21 - Mon, Aug 24

5:40 am - 9:38 amTYS Knoxville McGhee Tyson-PHL Philadelphia

3h 58m1 stop Atlanta Hartsfield-Jackson

6:15 am - 11:11 amPHL Philadelphia-TYS Knoxville McGhee Tyson

4h 56m1 stop Atlanta Hartsfield-Jackson

$227Delta

Tue, Aug 18 - Wed, Aug 19

8:30 am - 9:40 pmTYS Knoxville McGhee Tyson-PHL Philadelphia

13h 10m2 stops Austin Bergstrom Orlando

4:35 pm - 6:35 pmPHL Philadelphia-TYS Knoxville McGhee Tyson

2h 00mnonstop

$240Multiple Airlines

Fri, Aug 21 - Mon, Aug 24

1:55 pm - 3:45 pmTYS Knoxville McGhee Tyson-PHL Philadelphia

1h 50mnonstop

4:00 pm - 10:04 amPHL Philadelphia-TYS Knoxville McGhee Tyson

18h 04m1 stop Fort Lauderdale

$244Multiple Airlines

Fri, Aug 21 - Sat, Aug 22

7:15 am - 9:40 amCVG Cincinnati Cinci./N. Kentucky-PHL Philadelphia

26h 25m1 stop Orlando

6:40 pm - 10:05 amPHL Philadelphia-CVG Cincinnati Cinci./N. Kentucky

15h 25m1 stop Tampa

$248Frontier

Wed, Aug 19 - Sat, Aug 22

7:00 am - 5:17 pmBNA Nashville Intl-PHL Philadelphia

9h 17m1 stop Des Moines

11:11 am - 5:29 pmPHL Philadelphia-BNA Nashville Intl

7h 18m1 stop Grand Rapids Gerald R. Ford Intl

$259Allegiant Air

Thu, Aug 20 - Mon, Aug 31

8:30 pm - 5:39 amCVG Cincinnati Cinci./N. Kentucky-PHL Philadelphia

9h 09m1 stop Denver Intl

8:37 pm - 7:35 pmPHL Philadelphia-CVG Cincinnati Cinci./N. Kentucky

22h 58m1 stop Denver Intl

$261Frontier

Tue, Aug 18 - Wed, Aug 19

7:48 am - 9:40 amLEX Lexington Blue Grass-PHL Philadelphia

1h 52mnonstop

10:01 pm - 11:58 pmPHL Philadelphia-LEX Lexington Blue Grass

1h 57mnonstop

$389American Airlines

Wed, Aug 19 - Sat, Aug 22

11:57 am - 7:19 pmLEX Lexington Blue Grass-PHL Philadelphia

7h 22m1 stop Chicago O'Hare Intl

10:01 pm - 11:58 pmPHL Philadelphia-LEX Lexington Blue Grass

1h 57mnonstop

$399American Airlines

Wed, Aug 19 - Sat, Aug 22

6:00 am - 11:05 amLEX Lexington Blue Grass-PHL Philadelphia

5h 05m1 stop Atlanta Hartsfield-Jackson

9:00 am - 3:27 pmPHL Philadelphia-LEX Lexington Blue Grass

6h 27m1 stop Atlanta Hartsfield-Jackson

$409Delta

Wed, Aug 19 - Sat, Aug 22

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Frontier flights from Kentucky to Philadelphia

Our best Frontier deals on Kentucky to Philadelphia flight tickets

Frontier

Sep 28

CVG12:43 pmCincinnati Cinci./N. Kentucky

18h 33m

1 stop

PHL7:16 amPhiladelphia

Oct 6

PHL5:32 pmPhiladelphia

18h 06m

1 stop

CVG11:38 amCincinnati Cinci./N. Kentucky

$134

Frontier

Sep 18

CVG12:43 pmCincinnati Cinci./N. Kentucky

18h 33m

1 stop

PHL7:16 amPhiladelphia

Sep 23

PHL5:32 pmPhiladelphia

18h 06m

1 stop

CVG11:38 amCincinnati Cinci./N. Kentucky

$138

Frontier

Oct 2

CVG12:43 pmCincinnati Cinci./N. Kentucky

18h 33m

1 stop

PHL7:16 amPhiladelphia

Oct 6

PHL5:32 pmPhiladelphia

18h 06m

1 stop

CVG11:38 amCincinnati Cinci./N. Kentucky

$139

Allegiant Air flights from Kentucky to Philadelphia

Our best Allegiant Air deals on Kentucky to Philadelphia flight tickets

Allegiant Air

Sep 11

TYS1:54 pmKnoxville McGhee Tyson

1h 50m

PHL3:44 pmPhiladelphia

Sep 14

PHL5:34 pmPhiladelphia

2h 00m

TYS7:34 pmKnoxville McGhee Tyson

$63

Allegiant Air

Sep 11

TYS1:54 pmKnoxville McGhee Tyson

1h 50m

PHL3:44 pmPhiladelphia

Sep 14

PHL5:34 pmPhiladelphia

2h 00m

TYS7:34 pmKnoxville McGhee Tyson

$70

Allegiant Air

Sep 18

TYS1:54 pmKnoxville McGhee Tyson

1h 50m

PHL3:44 pmPhiladelphia

Sep 21

PHL5:34 pmPhiladelphia

2h 00m

TYS7:34 pmKnoxville McGhee Tyson

$74

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

KnoxvillePhiladelphia

TYS Knoxville McGhee Tyson - PHL Philadelphia

TYSPHL

Knoxville McGhee Tyson

Fri 9/11

1:54 pm-3:44 pm

Nonstop1h 50m

Philadelphia

Mon 9/14

5:34 pm-7:34 pm

Nonstop2h 00m

$63

KnoxvillePhiladelphia

TYS Knoxville McGhee Tyson - PHL Philadelphia

TYSPHL

Knoxville McGhee Tyson

Fri 9/11

1:54 pm-3:44 pm

Nonstop1h 50m

Philadelphia

Mon 9/14

5:34 pm-7:34 pm

Nonstop2h 00m

$70

KnoxvillePhiladelphia

TYS Knoxville McGhee Tyson - PHL Philadelphia

TYSPHL

Knoxville McGhee Tyson

Fri 9/11

1:31 pm-12:30 am

1 stop10h 59m

Philadelphia

Mon 9/14

5:34 pm-7:34 pm

Nonstop2h 00m

$123

CincinnatiPhiladelphia

CVG Cincinnati Cinci./N. Kentucky - PHL Philadelphia

CVGPHL

Cincinnati Cinci./N. Kentucky

Tue 9/8

12:26 pm-7:16 am

1 stop18h 50m

Philadelphia

Wed 9/9

5:32 pm-11:38 am

1 stop18h 06m

$134

CincinnatiPhiladelphia

CVG Cincinnati Cinci./N. Kentucky - PHL Philadelphia

CVGPHL

Cincinnati Cinci./N. Kentucky

Mon 9/28

12:43 pm-7:16 am

1 stop18h 33m

Philadelphia

Wed 10/7

5:32 pm-7:50 am

1 stop14h 18m

$134

KnoxvillePhiladelphia

TYS Knoxville McGhee Tyson - PHL Philadelphia

TYSPHL

Knoxville McGhee Tyson

Thu 9/10

10:54 am-11:42 pm

1 stop12h 48m

Philadelphia

Mon 9/14

5:34 pm-7:34 pm

Nonstop2h 00m

$154

NashvillePhiladelphia

BNA Nashville Intl - PHL Philadelphia

BNAPHL

Nashville Intl

Tue 10/27

6:30 pm-9:30 pm

Nonstop2h 00m

Philadelphia

Fri 10/30

3:20 pm-9:25 pm

2 stops7h 05m

$227

NashvillePhiladelphia

BNA Nashville Intl - PHL Philadelphia

BNAPHL

Nashville Intl

Mon 10/26

5:25 am-1:55 pm

2 stops7h 30m

Philadelphia

Fri 10/30

12:20 pm-1:25 pm

Nonstop2h 05m

$227

NashvillePhiladelphia

BNA Nashville Intl - PHL Philadelphia

BNAPHL

Nashville Intl

Wed 9/9

6:38 am-2:40 pm

1 stop7h 02m

Philadelphia

Tue 9/15

8:10 pm-9:23 pm

Nonstop2h 13m

$233

NashvillePhiladelphia

BNA Nashville Intl - PHL Philadelphia

BNAPHL

Nashville Intl

Sat 9/26

6:38 am-2:48 pm

1 stop7h 10m

Philadelphia

Sat 9/26

8:10 pm-9:23 pm

Nonstop2h 13m

$233

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kentucky to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Kentucky is in November. Flight prices, which tend to average around $510, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Philadelphia, with average flight prices from Kentucky averaging around $517.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Kentucky to Philadelphia is on a Saturday. Travelers who choose to depart for Philadelphia on a Saturday will often find tickets for as low as $540. On the other hand, Tuesday is the most expensive day to depart from Kentucky because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $902.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the morning. momondo users have found flights departing from Kentucky to Philadelphia in the morning for as low as $560. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $989.

What is the cheapest Kentucky to Philadelphia flight route?

Fly from Lexington Blue Grass to Philadelphia for the best Kentucky - Philadelphia flight prices

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

You are more likely to see cheaper flights to Philadelphia from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $567 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Kentucky for as low as $446 on momondo.

What cabin class options are available on Kentucky to Philadelphia flights?

There are 4 cabin classes available to choose from on Kentucky to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kentucky to Philadelphia flights?

You could potentially save up to 53% on your flight if you consider stops on a Kentucky to Philadelphia flight.

Cheap Kentucky to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to Philadelphia

Best Price Found	$247
Fastest flight time	1h 43m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Kentucky in the past 72 hours is $247. The best round-trip flight deal from Kentucky to Philadelphia found on momondo in the last 72 hours is $423.

The fastest flight from Kentucky to Philadelphia takes 1h 43m

Direct flights go from Kentucky to Philadelphia every day.

There is 1 airport in Philadelphia. From Kentucky there are direct flights to Philadelphia (PHL).

Search flight deals

Frequently asked questions about flying from Kentucky to Philadelphia

When did momondo last update prices for flights from Kentucky to Philadelphia Airport?
Prices for flights from Kentucky to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Kentucky to Philadelphia Airport?
As of August 2026, there are 6 operators available to choose from for flights from Kentucky to Philadelphia Airport.
How old do you have to be to fly from Kentucky to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Kentucky to Philadelphia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Kentucky to Philadelphia is Embraer 175 (33.33% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 900 (18.42%), Embraer ERJ-145 (16.67%), and Canadair (Bombardier) Regional Jet 700 (5.70%).

Best airlines flying from Kentucky to Philadelphia

Compare and see reviews for airlines that fly from Kentucky to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $156	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
Southwest	PriceFrom $294	Free Cancellation	Rating 8.0 4,217 reviews	Search Southwest flights
American Airlines	PriceFrom $408	Free Cancellation	Rating 7.1 11,947 reviews	Search American Airlines flights

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Avalon

Lewes

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Pottstown

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to Philadelphia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kentucky to Philadelphia. momondo saves you time and could save you money on your trip.

Can I find flights from Kentucky to Philadelphia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Philadelphia from Kentucky with this policy.

How can momondo help me find flights from Kentucky to Philadelphia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kentucky to Philadelphia.

I’m not ready to book a flight from Kentucky to Philadelphia right now. Can momondo alert me if prices change?

Price alerts on flights to Philadelphia from Kentucky are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.