Philadelphia

$229+ Cheap flights from Kingsport, TN to Philadelphia (PHL)

TYS — PHL
Sep 23 — Sep 301
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Cheap flight deals from Kingsport to Philadelphia

Cheapest flights from Kingsport to Philadelphia

Fri 9/114:57 pm -
1 stop6h 27m
Sun 9/137:40 pm -
1 stop4h 16m
Deal found 8/20$299
Fri 9/114:46 pm -
2 stops14h 30m
Sun 9/135:45 pm -
1 stop22h 11m
Deal found 8/20$310
Fri 9/45:02 pm -
1 stop6h 57m
Sun 9/67:20 am -
1 stop9h 43m
Deal found 8/19$320
Fri 9/46:00 am -
1 stop4h 06m
Sun 9/61:53 pm -
1 stop3h 47m
Deal found 8/21$329
Tue 11/246:00 am -
1 stop7h 10m
Fri 11/276:00 am -
1 stop7h 18m
Deal found 8/20$359
Fri 8/286:00 am -
1 stop5h 05m
Sun 8/306:15 am -
1 stop6h 46m
Deal found 8/19$369
Fri 8/286:00 am -
1 stop4h 56m
Sun 8/304:56 pm -
1 stop5h 01m
Deal found 8/23$379
Sat 8/2212:30 pm -
1 stop5h 56m
Sun 8/231:53 pm -
1 stop3h 47m
Deal found 8/21$389
Sat 9/126:25 am -
1 stop3h 40m
Sat 9/193:41 pm -
2 stops5h 21m
Deal found 8/21$401
Sat 9/511:06 am -
2 stops7h 06m
Wed 9/910:36 am -
1 stop5h 56m
Deal found 8/20$416

Find flight deals from Kingsport to Philadelphia

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(American Airlines)

One-way from

$229
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$288
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Philadelphia flight deals.
Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Philadelphia flights.
From Kingsport to Philadelphia
One-way flight from Kingsport to Philadelphia
Highest demand for flights based on searches. 13% potential increase in price ($81 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in August 2026

Cheapflights Fare Finder

 
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

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Fri 9/11

4:57 pm-11:24 pm

1 stop6h 27m

Philadelphia

Sun 9/13

7:40 pm-11:56 pm

1 stop4h 16m

$299

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Fri 9/11

4:46 pm-7:16 am

2 stops14h 30m

Philadelphia

Sun 9/13

5:45 pm-3:56 pm

1 stop22h 11m

$310

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Sat 9/5

1:45 pm-7:58 pm

1 stop6h 13m

Philadelphia

Wed 9/9

8:10 am-12:45 pm

1 stop4h 35m

$329

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Fri 8/28

6:00 am-11:05 am

1 stop5h 05m

Philadelphia

Sun 8/30

6:15 am-1:01 pm

1 stop6h 46m

$369

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Fri 9/4

5:02 pm-10:48 am

2 stops17h 46m

Philadelphia

Sun 9/6

7:20 am-5:03 pm

1 stop9h 43m

$395

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Sat 9/5

11:06 am-6:12 pm

2 stops7h 06m

Philadelphia

Wed 9/9

3:41 pm-9:02 pm

2 stops5h 21m

$503
Quickest round-trip

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Sun 10/11

6:00 am-11:10 am

1 stop5h 10m

Philadelphia

Wed 10/14

10:34 am-3:11 pm

1 stop4h 37m

$527

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Fri 8/28

12:30 pm-6:54 pm

2 stops6h 24m

Philadelphia

Sun 8/30

4:56 pm-9:57 pm

1 stop5h 01m

$556

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Mon 8/31

5:00 pm-9:37 pm

1 stop4h 37m

Philadelphia

Wed 9/2

3:58 pm-10:23 pm

1 stop6h 25m

$747
Cheapest one-way

BlountvillePhiladelphia

TRI Blountville Tri Cities TN/VA - PHL Philadelphia

TRIPHL

Blountville Tri Cities TN/VA

Thu 8/27

5:56 pm-7:15 am

2 stops37h 19m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/22

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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

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?

It’s typically best to fly out from Kingsport to Philadelphia in the evening. Doing so could potentially save you 37% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Kingsport to Philadelphia

The most flights from K1N to PHL are scheduled on a Friday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Kingsport to Philadelphia?

Airfare is below average for this route at the moment.
Kingsport to Philadelphia flights typically cost between $362 and $466 in September.
The cheapest round-trip price found within the last 5 days was $299 on American Airlines (Sep 11-Sep 13).

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

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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Philadelphia

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.

Entertainment

6.8

Crew

7.9

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Entertainment

6.8

Crew

7.9

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.1

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

  • 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?

  • How long is the flight from Kingsport to Philadelphia?

    American Airlines and Delta can get you from Kingsport to Philadelphia in just under 6h 13m. Your travel time can differ by up to 14m. 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 Alaska Airlines (88%), PSA Airlines (82%) and British Airways (71%).

  • What are the cheapest flights from Kingsport to Philadelphia?

    While on average a flight from Kingsport to Philadelphia is generally $1,268, our data shows the cheapest flight currently is $60. When looking at the most popular route, (Blountville Tri Cities TN/VA - Philadelphia), you can expect to pay $374 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
Wildwood Crest
Ocean City
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Kingsport to Philadelphia

Top 3 airlines flying from Kingsport to Philadelphia

AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$114FlexibilityNo cancel feeOn-time88%
DeltaCheapest$186Average$407FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$472FlexibilityNo cancel feeOn-time71%

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