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$180+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHL
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
1 adult, Economy
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Cheap 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 July 7, 2026.

This American Airlines deal was found by Cheapflights users on 7/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:26 pm
TRI
-
PHL
1 stop3h 56m
American Airlines
Sat 8/81:53 pm
PHL
-
TRI
1 stop5h 02m
American Airlines
Deal found 7/4$289
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:10 pm
TRI
-
PHL
1 stop9h 19m
Multiple Airlines
Sun 8/161:32 pm
PHL
-
TRI
2 stops19h 43m
Multiple Airlines
Deal found 7/6$367
This American Airlines deal was found by Cheapflights users on 7/6. 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 7/85:00 am
TRI
-
PHL
1 stop6h 12m
American Airlines
Wed 7/153:50 pm
PHL
-
TRI
1 stop4h 10m
American Airlines
Deal found 7/6$374
This American Airlines deal was found by Cheapflights users on 7/6. 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.
Fri 8/1412:30 pm
TRI
-
PHL
2 stops6h 24m
American Airlines
Sun 8/166:00 am
PHL
-
TRI
1 stop4h 41m
American Airlines
Deal found 7/6$619

Find flight deals from Kingsport to Philadelphia

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(American Airlines)

One-way from

$180
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$493
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
Search Deals
One-way flight from Kingsport to Philadelphia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
Search Deals

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 July 7, 2026.
Use the filters below to find and compare flights from Kingsport to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sun 8/2

8:26 pm-12:22 am

1 stop3h 56m

Philadelphia

Sat 8/8

1:53 pm-6:55 pm

1 stop5h 02m

$289

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Fri 8/14

6:00 am-12:45 pm

1 stop6h 45m

Philadelphia

Sun 8/16

7:38 pm-11:56 pm

1 stop4h 18m

$289

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Fri 8/14

2:10 pm-11:29 pm

1 stop9h 19m

Philadelphia

Sun 8/16

1:32 pm-9:15 am

2 stops19h 43m

$367
Cheapest one-way

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Thu 8/6

3:27 pm-3:17 pm

2 stops23h 50m

$180

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Thu 8/6

3:27 pm-7:20 pm

3 stops27h 53m

$206
Quickest one-way

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sat 8/15

4:50 pm-9:53 pm

1 stop5h 03m

$259

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Thu 8/6

5:29 pm-11:40 pm

1 stop6h 11m

$259

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Tue 7/21

5:00 am-11:12 am

1 stop6h 12m

$318

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sat 8/15

12:30 pm-6:12 pm

2 stops5h 42m

$479

BlountvillePhiladelphia

TRI - PHL

TRIPHL

Blountville Tri Cities TN/VA

Sat 8/15

6:00 am-3:10 pm

3 stops57h 10m

$1,204

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Sorted by cheapest first

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 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 July 7, 2026.

It’s typically best to fly out from Kingsport to Philadelphia in the evening. Doing so could potentially save you 41% on the flight price compared to flying at noon, which is usually more expensive.

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 July 7, 2026.

The most flights from K1N to PHL are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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 July 4, 2026.

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

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 July 7, 2026.
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
7.1
Good
11,784 reviews

Crew

7.9

Comfort

7.2

Entertainment

6.8

Overall

7.1

Boarding

7.5

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.1
Good
11,784 reviews
American Airlines
7.1
Good
11,784 reviews

Crew

7.9

Comfort

7.2

Entertainment

6.8

Overall

7.1

Boarding

7.5

Food

6.4

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. 3 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 17 times in the past calendar month.

  • How long is the flight from Kingsport to Philadelphia?

    American Airlines can get you from Kingsport to Philadelphia in just under 3h 56m. Your travel time can differ by up to . The distance from Kingsport to Philadelphia is about 454 mi.

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

    The top 3 most reliable airlines when flying from Kingsport to Philadelphia are PSA Airlines (85%), American Airlines (81%) and Alaska Airlines (81%).

  • What are the cheapest flights from Kingsport to Philadelphia?

    While on average a flight from Kingsport to Philadelphia is generally $1,113, our data shows the cheapest flight currently is $39. When looking at the most popular route, (Blountville Tri Cities TN/VA - Philadelphia), you can expect to pay $289 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.

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
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Dewey Beach
Wildwood Crest
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville

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Top 3 airlines flying from Kingsport to Philadelphia

Discover the top 3 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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$112FlexibilityNo cancel feeOn-time88%
DeltaCheapest$216Average$407FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$474FlexibilityNo cancel feeOn-time71%

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