How popular is this Kingsport to Philadelphia flight route?

Flights from Kingsport to Philadelphia have been viewed 19 times in the past calendar month.

Weekly flight availability from Kingsport to Philadelphia

The most flights from K1N to PHL are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What are the cheapest flights from Kingsport to Philadelphia?

While on average a flight from Kingsport to Philadelphia is generally $1,150, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Blountville Tri Cities TN/VA - Philadelphia), you can expect to pay $349 for that flight.

What are the most reliable airlines from Kingsport to Philadelphia?

The top 3 most reliable airlines when flying from Kingsport to Philadelphia are Allegiant Air (91%), PSA Airlines (81%) and Alaska Airlines (78%).

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.

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.

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Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	July
Cheapest in	August
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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Highest demand for flights based on searches. 13% potential increase in price ($84 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Kingsport to Philadelphia

Prices

Airlines

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 36% on the flight price compared to flying at noon, which is usually more expensive.

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 evenings 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.

American Airlines

7.0

Good

12,164 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

American Airlines

7.0

Good

12,164 reviews

American Airlines

7.0

Good

12,164 reviews

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?
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 Allegiant Air (91%), PSA Airlines (81%) and Alaska Airlines (78%).
What are the cheapest flights from Kingsport to Philadelphia?
While on average a flight from Kingsport to Philadelphia is generally $1,150, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Blountville Tri Cities TN/VA - Philadelphia), you can expect to pay $349 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.

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Top 3 airlines flying from Kingsport to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$72	Average$113	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$186	Average$407	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$288	Average$467	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Kingsport, TN to Philadelphia (PHL)

Find cheap flights from Kingsport to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Kingsport to Philadelphia

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

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 36% on the flight price compared to flying at noon, which is usually more expensive.

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

Weekly flight availability from Kingsport to Philadelphia

The most flights from K1N to PHL are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

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.

Related info for your journey

What airport do you fly into for flights to Philadelphia from Kingsport?

How popular is this Kingsport to Philadelphia flight route?

What are the most reliable airlines from Kingsport to Philadelphia?

What are the cheapest flights from Kingsport to Philadelphia?

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

How can I find direct flights from Kingsport to Philadelphia?

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

Traveling to a place near Philadelphia?

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Alternative routes for Kingsport to Philadelphia

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Complete your trip

Complete your trip to Philadelphia by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Kingsport to Philadelphia by cabin class

Find flights from Kingsport to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Kingsport and Philadelphia flights

Browse other Kingsport and Philadelphia flight options. Last updated on October 14, 2026.

Other flights to Philadelphia

Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 14, 2026.

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Top 3 airlines flying from Kingsport to Philadelphia

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