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$249+ Cheap flights from Kingsport, TN 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHL
oct. 24 — oct. 311
vie. 10/24
vie. 10/31
1 adult, Economy
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Cheap flight deals from Kingsport to Philadelphia

Keep the following information in mind while searching for Kingsport to Philadelphia flight deals. Data was last updated septiembre 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$317
(Delta)

One-way from

$249
(Delta)

Popular in

November

Cheapest in

February

Average price

$466
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Philadelphia flights.
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From Kingsport to Philadelphia
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One-way flight from Kingsport to Philadelphia
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Highest demand for flights based on searches. 17% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Kingsport to Philadelphia

Cheapest flights from Kingsport to Philadelphia
Explore the most affordable flight options available from Kingsport to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 24, 2025.

This Delta deal was found by Cheapflights users on 9/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/110:12 amTRI - PHL
1 stop7h 01mDelta
mié. 11/56:50 amPHL - TRI
1 stop5h 53mDelta
Deal found 9/24$317
This American Airlines deal was found by Cheapflights users on 9/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/111:10 amTRI - PHL
2 stops6h 33mAmerican Airlines
mié. 11/56:00 amPHL - TRI
1 stop3h 39mAmerican Airlines
Deal found 9/24$322
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
vie. 10/106:25 pmTRI - PHL
1 stop20h 00mMultiple Airlines
lun. 10/135:05 amPHL - TRI
1 stop12h 56mMultiple Airlines
Deal found 9/24$323
This Delta deal was found by Cheapflights users on 9/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/81:28 pmTRI - PHL
1 stop3h 45mDelta
jue. 11/136:45 amPHL - TRI
1 stop5h 20mDelta
Deal found 9/23$327
This Delta deal was found by Cheapflights users on 9/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/184:10 pmTRI - PHL
1 stop6h 03mDelta
lun. 10/206:45 amPHL - TRI
1 stop5h 58mDelta
Deal found 9/23$347
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/116:12 pmTRI - PHL
1 stop6h 10mAmerican Airlines
mar. 10/1410:35 amPHL - TRI
1 stop6h 25mAmerican Airlines
Deal found 9/23$387
This American Airlines deal was found by Cheapflights users on 9/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/86:00 amTRI - PHL
1 stop3h 30mAmerican Airlines
sáb. 10/116:08 amPHL - TRI
1 stop4h 37mAmerican Airlines
Deal found 9/24$406
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
mar. 11/253:14 pmTRI - PHL
1 stop9h 25mMultiple Airlines
dom. 11/308:42 pmPHL - TRI
1 stop18h 12mMultiple Airlines
Deal found 9/23$407
This Delta deal was found by Cheapflights users on 9/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/13:35 pmTRI - PHL
1 stop6h 37mDelta
sáb. 10/46:45 amPHL - TRI
1 stop5h 52mDelta
Deal found 9/23$425
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/16:23 amTRI - PHL
1 stop4h 04mAmerican Airlines
sáb. 10/49:36 amPHL - TRI
2 stops7h 13mAmerican Airlines
Deal found 9/23$430
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/228:43 amTRI - PHL
1 stop5h 56mAmerican Airlines
sáb. 11/296:45 pmPHL - TRI
1 stop5h 08mAmerican Airlines
Deal found 9/23$437
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/1811:10 amTRI - PHL
2 stops6h 33mAmerican Airlines
lun. 10/201:45 pmPHL - TRI
1 stop4h 02mAmerican Airlines
Deal found 9/23$445

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kingsport 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 septiembre 24, 2025.
Use the filters below to find and compare flights from Kingsport to Philadelphia that are best for you.

Fly from

Kingsport

Fly to

Philadelphia

Route

Depart

Return

Price

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

sáb. 11/1

10:12 am-5:13 pm

1 stop7h 01m

Philadelphia

mié. 11/5

6:50 am-12:43 pm

1 stop5h 53m

$317

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

sáb. 11/1

11:10 am-5:43 pm

2 stops6h 33m

Philadelphia

mié. 11/5

6:00 am-9:39 am

1 stop3h 39m

$322

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

vie. 10/10

6:25 pm-2:25 pm

1 stop20h 00m

Philadelphia

lun. 10/13

5:05 am-6:01 pm

1 stop12h 56m

$323

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

sáb. 11/8

1:28 pm-5:13 pm

1 stop3h 45m

Philadelphia

jue. 11/13

6:45 am-12:05 pm

1 stop5h 20m

$327

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

sáb. 10/18

4:10 pm-10:13 pm

1 stop6h 03m

Philadelphia

lun. 10/20

6:45 am-12:43 pm

1 stop5h 58m

$347

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

sáb. 10/11

6:12 pm-12:22 am

1 stop6h 10m

Philadelphia

mar. 10/14

10:35 am-5:00 pm

1 stop6h 25m

$387

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

mié. 10/8

6:00 am-9:30 am

1 stop3h 30m

Philadelphia

sáb. 10/11

6:08 am-10:45 am

1 stop4h 37m

$406

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

sáb. 11/22

8:43 am-2:39 pm

1 stop5h 56m

Philadelphia

sáb. 11/29

6:45 pm-11:53 pm

1 stop5h 08m

$437

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

sáb. 10/18

11:10 am-5:43 pm

2 stops6h 33m

Philadelphia

lun. 10/20

1:45 pm-5:47 pm

1 stop4h 02m

$445

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

sáb. 11/22

6:05 am-11:32 am

1 stop5h 27m

Philadelphia

sáb. 11/22

4:58 pm-10:31 pm

1 stop5h 33m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/22

Showing 1-10 of 17 results
1
2

Best time to book a flight from Kingsport to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Kingsport 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 Kingsport to Philadelphia

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

Currently, August is the cheapest month in which you can book a flight from Kingsport to Philadelphia (average of $236). Flying from Kingsport to Philadelphia in March is currently the most expensive (average of $295). 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 K1N to PHL?

Find hourly flight availability from Kingsport 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 septiembre 24, 2025.

When flying from Kingsport to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Kingsport to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Kingsport to Philadelphia. Price data was last updated on September 21, 2025.

Travelers seeking maximum savings on their Kingsport to Philadelphia flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Kingsport to Philadelphia

Explore weekly flight availability from Kingsport 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 septiembre 24, 2025.

The most flights from K1N to PHL are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated septiembre 24, 2025.
Read through reviews of airlines operating flights from Kingsport to Philadelphia, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Food

6.4

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Food

6.4

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Kingsport 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 Kingsport?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly into when you book flights from Kingsport to Philadelphia. 2 airlines have flights to Philadelphia from Kingsport on a regular basis. Booking flights from Kingsport to Philadelphia should not be difficult; the airport handles an average of 0 inbound flights from Kingsport per day.

  • How popular is this Kingsport to Philadelphia flight route?

    Flights from Kingsport to Philadelphia have been viewed 15 times in the past calendar month.

  • How long is the flight from Kingsport to Philadelphia?

    Delta and American Airlines can get you from Kingsport to Philadelphia in just under 6h 33m. Your travel time can differ by up to 28m. The distance from Kingsport to Philadelphia is about 454 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The top 3 most reliable airlines when flying from Kingsport to Philadelphia are Piedmont Airlines (87%), American Airlines (86%) and Qatar Airways (84%).

  • What are the cheapest flights from Kingsport to Philadelphia?

    While on average a flight from Kingsport to Philadelphia is generally $540, our data shows the cheapest flight currently is $159. When looking at the most popular route, (Blountville Tri Cities TN/VA - Philadelphia), you can expect to pay $317 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kingsport 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 Kingsport to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Kingsport to Philadelphia (average of $236). Flying from Kingsport to Philadelphia in March is currently the most expensive (average of $295). 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
Vineland
Wildwood
King of Prussia
Pottstown
Reading
Ocean City
Dewey Beach
Ephrata
Camden
Cherry Hill
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

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Alternative routes for Kingsport to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Kingsport to Philadelphia

Discover the top 2 airlines that operate flights from Kingsport 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 septiembre 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$516FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$303Average$453FlexibilityNo cancel feeOn-time71%

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