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$217+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHL
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
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 August 7, 2025.

Round-trip from

$297
(Delta)

One-way from

$217
(Delta)

Popular in

December

Cheapest in

February

Average price

$472
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. 22% potential increase in price ($138 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 August 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 August 7, 2025.

This Delta deal was found by Cheapflights users on 8/7. 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.
Wed 10/16:11 amTRI - PHL
1 stop5h 01mDelta
Sat 10/45:25 amPHL - TRI
1 stop7h 12mDelta
Deal found 8/7$297
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Wed 10/15:14 pmTRI - PHL
1 stop6h 13mAmerican Airlines
Sat 10/49:36 amPHL - TRI
2 stops7h 13mAmerican Airlines
Deal found 8/6$302
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 11/86:10 amTRI - PHL
1 stop4h 16mDelta
Thu 11/135:55 amPHL - TRI
1 stop6h 10mDelta
Deal found 8/7$307
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/612:25 pmTRI - PHL
2 stops5h 22mAmerican Airlines
Sat 9/1311:30 amPHL - TRI
1 stop5h 19mAmerican Airlines
Deal found 8/6$312
This Delta deal was found by Cheapflights users on 8/6. 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.
Sat 8/301:21 pmTRI - PHL
1 stop4h 15mDelta
Fri 9/55:25 amPHL - TRI
1 stop4h 45mDelta
Deal found 8/6$317
This Delta deal was found by Cheapflights users on 8/7. 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.
Sun 8/2410:57 amTRI - PHL
1 stop6h 23mDelta
Sun 8/316:45 amPHL - TRI
1 stop5h 56mDelta
Deal found 8/7$347
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:27 pmTRI - PHL
1 stop4h 13mAmerican Airlines
Tue 12/163:44 pmPHL - TRI
2 stops5h 46mAmerican Airlines
Deal found 8/5$362
This Delta deal was found by Cheapflights users on 8/6. 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.
Thu 8/216:11 amTRI - PHL
1 stop5h 02mDelta
Mon 8/255:25 amPHL - TRI
1 stop4h 45mDelta
Deal found 8/6$367
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/2111:02 amTRI - PHL
2 stops6h 42mAmerican Airlines
Mon 8/251:43 pmPHL - TRI
1 stop4h 59mAmerican Airlines
Deal found 8/6$372

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 August 7, 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

Wed 10/1

6:11 am-11:12 am

1 stop5h 01m

Philadelphia

Sat 10/4

5:25 am-12:37 pm

1 stop7h 12m

$297

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Wed 10/1

5:14 pm-11:27 pm

1 stop6h 13m

Philadelphia

Sat 10/4

9:36 am-4:49 pm

2 stops7h 13m

$302

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sat 11/8

6:10 am-10:26 am

1 stop4h 16m

Philadelphia

Thu 11/13

5:55 am-12:05 pm

1 stop6h 10m

$307

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sat 9/6

12:25 pm-5:47 pm

2 stops5h 22m

Philadelphia

Sat 9/13

11:30 am-4:49 pm

1 stop5h 19m

$312

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sat 8/30

1:21 pm-5:36 pm

1 stop4h 15m

Philadelphia

Fri 9/5

5:25 am-10:10 am

1 stop4h 45m

$317

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sun 8/24

10:57 am-5:20 pm

1 stop6h 23m

Philadelphia

Sun 8/31

6:45 am-12:41 pm

1 stop5h 56m

$347

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sat 12/13

6:27 pm-10:40 pm

1 stop4h 13m

Philadelphia

Tue 12/16

3:44 pm-9:30 pm

2 stops5h 46m

$362

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Thu 8/21

6:11 am-11:13 am

1 stop5h 02m

Philadelphia

Mon 8/25

5:25 am-10:10 am

1 stop4h 45m

$367

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Thu 8/21

11:02 am-5:44 pm

2 stops6h 42m

Philadelphia

Mon 8/25

1:43 pm-6:42 pm

1 stop4h 59m

$372

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Tue 8/26

10:57 am-3:54 pm

1 stop4h 57m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 14 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 August 7, 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 August 3, 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 August 7, 2025.

The most flights from K1N to PHL are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 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 August 7, 2025.
Read through reviews of airlines operating flights from Kingsport to Philadelphia, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,987 reviews
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 19 times in the past calendar month.

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

    The top 3 most reliable airlines when flying from Kingsport to Philadelphia are Qatar Airways (81%), PSA Airlines (75%) and Alaska Airlines (67%).

  • What are the cheapest flights from Kingsport to Philadelphia?

    While on average a flight from Kingsport to Philadelphia is generally $601, our data shows the cheapest flight currently is $168. When looking at the most popular route, (Blountville Tri Cities TN/VA - Philadelphia), you can expect to pay $297 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
Cherry Hill
Ocean City
Chester
Reading
Millville
Ephrata
Camden
Dewey Beach
Dover
Elkton
Essington
Willow Grove
Newark
Exton
Glen Mills
Springfield

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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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$488FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$283Average$450FlexibilityNo cancel feeOn-time71%

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