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Cheap flights from Knoxville to Philadelphia from $116

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Philadelphia departing on 5/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Knoxville to Philadelphia

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Knoxville to Philadelphia.
Frontier Logo
5:30 pm - 5:07 amTYS-PHL
11h 37m1 stop
Frontier Logo
6:15 am - 4:29 pmPHL-TYS
10h 14m1 stop
$220Frontier
Find Deal
Sun, May 25 - Sun, Jun 1
 Logo
5:02 pm - 9:53 amTYS-PHL
16h 51m1 stop
 Logo
7:12 pm - 10:16 amPHL-TYS
15h 04m1 stop
Wed, May 14 - Thu, May 22
 Logo
3:10 pm - 9:34 pmTYS-PHL
6h 24m1 stop
 Logo
5:05 am - 7:19 pmPHL-TYS
14h 14m1 stop
Wed, Jun 11 - Wed, Jun 18
 Logo
5:02 pm - 9:53 amTYS-PHL
16h 51m1 stop
 Logo
4:00 pm - 10:16 amPHL-TYS
18h 16m2 stops
Wed, May 14 - Thu, May 22
American Airlines Logo
10:05 am - 4:59 pmTYS-PHL
6h 54m1 stop
American Airlines Logo
10:41 am - 7:14 pmPHL-TYS
8h 33m1 stop
$352American Airlines
Find Deal
Fri, May 30 - Mon, Jun 2
American Airlines Logo
6:35 am - 3:37 pmTYS-PHL
9h 02m1 stop
American Airlines Logo
12:45 pm - 9:50 pmPHL-TYS
9h 05m1 stop
$357American Airlines
Find Deal
Tue, Jun 10 - Tue, Jun 17
Delta Logo
4:22 pm - 10:55 pmTYS-PHL
6h 33m1 stop
Delta Logo
10:36 am - 3:17 pmPHL-TYS
4h 41m1 stop
$375Delta
Find Deal
Tue, May 27 - Tue, Jun 3
Delta Logo
10:25 am - 3:52 pmTYS-PHL
5h 27m1 stop
Delta Logo
5:30 am - 11:08 amPHL-TYS
5h 38m1 stop
$416Delta
Find Deal
Wed, Jun 4 - Sun, Jun 8
United Airlines Logo
7:25 pm - 11:29 pmTYS-PHL
4h 04m1 stop
United Airlines Logo
6:15 am - 1:21 pmPHL-TYS
7h 06m2 stops
$450United Airlines
Find Deal
Tue, May 27 - Tue, Jun 3
United Airlines Logo
7:00 am - 2:09 pmTYS-PHL
7h 09m2 stops
United Airlines Logo
2:50 pm - 10:40 pmPHL-TYS
7h 50m2 stops
$455United Airlines
Find Deal
Tue, Jun 10 - Tue, Jun 17

American Airlines flights from Knoxville to Philadelphia

Our best American Airlines deals on Knoxville to Philadelphia flight tickets
American Airlines
May 30
TYS10:05 amKnoxville McGhee Tyson
6h 54m
1 stop
PHL4:59 pmPhiladelphia
Jun 2
PHL10:41 amPhiladelphia
8h 33m
1 stop
TYS7:14 pmKnoxville McGhee Tyson
American Airlines
Jun 10
TYS6:35 amKnoxville McGhee Tyson
9h 02m
1 stop
PHL3:37 pmPhiladelphia
Jun 17
PHL12:45 pmPhiladelphia
9h 05m
1 stop
TYS9:50 pmKnoxville McGhee Tyson
American Airlines
Jun 11
TYS5:57 pmKnoxville McGhee Tyson
6h 11m
1 stop
PHL12:08 amPhiladelphia
Jun 14
PHL6:56 pmPhiladelphia
2h 03m
TYS8:59 pmKnoxville McGhee Tyson

Delta flights from Knoxville to Philadelphia

Our best Delta deals on Knoxville to Philadelphia flight tickets
Delta
May 27
TYS4:22 pmKnoxville McGhee Tyson
6h 33m
1 stop
PHL10:55 pmPhiladelphia
Jun 3
PHL10:36 amPhiladelphia
4h 41m
1 stop
TYS3:17 pmKnoxville McGhee Tyson
Delta
Jun 4
TYS10:25 amKnoxville McGhee Tyson
5h 27m
1 stop
PHL3:52 pmPhiladelphia
Jun 8
PHL5:30 amPhiladelphia
5h 38m
1 stop
TYS11:08 amKnoxville McGhee Tyson
Delta
May 3
TYS5:30 amKnoxville McGhee Tyson
4h 54m
1 stop
PHL10:24 amPhiladelphia
May 10
PHL6:15 pmPhiladelphia
5h 36m
1 stop
TYS11:51 pmKnoxville McGhee Tyson

See travel insights to Philadelphia from

How to get the cheapest flight ticket from Knoxville to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Knoxville is in June. Flight prices, which tend to average around $201, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Philadelphia, with average flight prices from Knoxville averaging around $201.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Knoxville to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $406. On the other hand, Monday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $848.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Knoxville to Philadelphia in the evening for as low as $331. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $846.

What is the cheapest Knoxville McGhee Tyson to Philadelphia flight route?

Fly from Knoxville McGhee Tyson to Philadelphia for the best Knoxville McGhee Tyson - Philadelphia flight prices

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Knoxville when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $369 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Knoxville for as low as $217 on momondo.

What cabin class options are available on Knoxville McGhee Tyson to Philadelphia flights?

There are 3 cabin classes available to choose from on Knoxville McGhee Tyson to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Knoxville to Philadelphia flight prices changed over time?

As of April 2025, prices for Knoxville to Philadelphia flights are approximately 60% cheaper when compared to flights at the same time last year.

When to book flights from Knoxville to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Philadelphia (TYS to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Philadelphia

Best Price Found

$116

Fastest flight time

1h 52m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Knoxville in the past 72 hours is $116. The best round-trip flight deal from Knoxville to Philadelphia found on momondo in the last 72 hours is $220.
The fastest flight from Knoxville to Philadelphia takes 1h 52m
Direct flights go from Knoxville to Philadelphia on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is American Airlines.
There is 1 airport near Philadelphia: Philadelphia (PHL)

  • How far is Knoxville McGhee Tyson to Philadelphia by plane?

    A flight from Knoxville McGhee Tyson to Philadelphia will travel around 550.8 mi. In terms of flight time, this usually takes a little over 1h 52m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Philadelphia Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Philadelphia Airport were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Philadelphia Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Knoxville to Philadelphia?

  • What is the most popular airline from Knoxville to Philadelphia?


Best airlines flying from Knoxville to Philadelphia

Compare and see reviews for airlines that fly from Knoxville to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $42Free CancellationRating
5.9
3,284 reviews
Search Frontier flights
American AirlinesPriceFrom $162Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $176Free CancellationRating
8.0
7,929 reviews
Search Delta flights
United AirlinesPriceFrom $195Free CancellationRating
7.4
8,694 reviews
Search United Airlines flights
  • American Airlines Flights From Knoxville to Philadelphia

    Across 21 American Airlines flights from Knoxville to Philadelphia this week, the average price was $401, with the best American Airlines deals starting from $162 round-trip. 10,000 users have rated American Airlines on momondo, with an average score of 7.2/10.


Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Rehoboth Beach
Cape May
Ocean City
Wildwood Crest
Reading
King of Prussia
Newark
Dover
Cherry Hill
North Wildwood
Dewey Beach
Lewes
Exton
Vineland
Essington
New Castle
Pottstown
Avalon
Stone Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Philadelphia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Philadelphia for you.

Can I find flights from Knoxville to Philadelphia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Knoxville to Philadelphia flights to just show those with flexible booking policies.

How can momondo help me find flights from Knoxville to Philadelphia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Knoxville to Philadelphia.

I’m not ready to book a flight from Knoxville to Philadelphia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Knoxville and alert you when they change.


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