Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Knoxville to Philadelphia from $199

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Philadelphia departing on 5/1. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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.
 Logo
3:52 pm - 8:46 amTYS-PHL
16h 54m1 stop
 Logo
7:35 pm - 8:09 amPHL-TYS
12h 34m1 stop
Thu, May 1 - Fri, May 2
Frontier Logo
4:31 pm - 5:31 amTYS-PHL
13h 00m1 stop
Frontier Logo
6:40 am - 3:46 pmPHL-TYS
9h 06m1 stop
$200Frontier
Find Deal
Thu, Apr 17 - Sun, Apr 20
Frontier Logo
12:46 pm - 5:31 amTYS-PHL
16h 45m1 stop
Frontier Logo
6:40 am - 3:46 pmPHL-TYS
9h 06m1 stop
$210Frontier
Find Deal
Fri, Apr 18 - Sun, Apr 20
 Logo
10:00 am - 8:10 amTYS-PHL
22h 10m1 stop
 Logo
6:57 am - 8:55 pmPHL-TYS
13h 58m1 stop
Fri, May 2 - Sun, May 4
American Airlines Logo
5:12 pm - 11:51 pmTYS-PHL
6h 39m1 stop
American Airlines Logo
12:54 pm - 9:56 pmPHL-TYS
9h 02m1 stop
$337American Airlines
Find Deal
Wed, Jun 11 - Sat, Jun 14
American Airlines Logo
6:27 pm - 8:20 pmTYS-PHL
1h 53mnonstop
American Airlines Logo
8:40 am - 10:44 amPHL-TYS
2h 04mnonstop
$355American Airlines
Find Deal
Wed, May 14 - Tue, May 20
Delta Logo
10:25 am - 3:52 pmTYS-PHL
5h 27m1 stop
Delta Logo
5:30 am - 9:40 amPHL-TYS
4h 10m1 stop
$375Delta
Find Deal
Wed, May 7 - Wed, May 14
United Airlines Logo
7:00 am - 2:05 pmTYS-PHL
7h 05m2 stops
United Airlines Logo
6:15 am - 10:05 amPHL-TYS
3h 50m1 stop
$380United Airlines
Find Deal
Tue, May 13 - Wed, May 21
Delta Logo
7:00 am - 12:19 pmTYS-PHL
5h 19m1 stop
Delta Logo
6:38 am - 11:23 amPHL-TYS
4h 45m1 stop
$403Delta
Find Deal
Tue, May 6 - Tue, May 13
United Airlines Logo
5:50 am - 9:45 amTYS-PHL
3h 55m1 stop
United Airlines Logo
10:44 am - 10:45 pmPHL-TYS
12h 01m2 stops
$450United Airlines
Find Deal
Wed, May 14 - Tue, May 20

American Airlines flights from Knoxville to Philadelphia

Our best American Airlines deals on Knoxville to Philadelphia flight tickets
American Airlines
Jun 11
TYS5:12 pmKnoxville McGhee Tyson
6h 39m
1 stop
PHL11:51 pmPhiladelphia
Jun 14
PHL12:54 pmPhiladelphia
9h 02m
1 stop
TYS9:56 pmKnoxville McGhee Tyson
American Airlines
May 14
TYS6:27 pmKnoxville McGhee Tyson
1h 53m
PHL8:20 pmPhiladelphia
May 20
PHL8:40 amPhiladelphia
2h 04m
TYS10:44 amKnoxville McGhee Tyson
American Airlines
Jun 10
TYS6:35 amKnoxville McGhee Tyson
9h 02m
1 stop
PHL3:37 pmPhiladelphia
Jun 14
PHL6:56 pmPhiladelphia
2h 03m
TYS8:59 pmKnoxville McGhee Tyson

United Airlines flights from Knoxville to Philadelphia

Our best United Airlines deals on Knoxville to Philadelphia flight tickets
United Airlines
May 13
TYS7:00 amKnoxville McGhee Tyson
7h 05m
2 stops
PHL2:05 pmPhiladelphia
May 21
PHL6:15 amPhiladelphia
3h 50m
1 stop
TYS10:05 amKnoxville McGhee Tyson
United Airlines
May 14
TYS5:50 amKnoxville McGhee Tyson
3h 55m
1 stop
PHL9:45 amPhiladelphia
May 20
PHL10:44 amPhiladelphia
12h 01m
2 stops
TYS10:45 pmKnoxville McGhee Tyson
United Airlines
Aug 28
TYS5:45 amKnoxville McGhee Tyson
18h 44m
2 stops
PHL12:29 amPhiladelphia
Sep 1
PHL6:30 pmPhiladelphia
20h 20m
2 stops
TYS2:50 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 $198, 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 $367 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 61% 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

$240

Fastest flight time

1h 51m

Direct flights

Wed, 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 $240. The best round-trip flight deal from Knoxville to Philadelphia found on momondo in the last 72 hours is $199.
The fastest flight from Knoxville to Philadelphia takes 1h 51m
Direct flights go from Knoxville to Philadelphia on Wednesday, 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 51m.

  • 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 $38Free CancellationRating
5.9
3,278 reviews
Search Frontier flights
American AirlinesPriceFrom $164Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $176Free CancellationRating
8.0
7,901 reviews
Search Delta flights
United AirlinesPriceFrom $195Free CancellationRating
7.4
8,629 reviews
Search United Airlines flights
  • American Airlines Flights From Knoxville to Philadelphia

    Across 22 American Airlines flights from Knoxville to Philadelphia this week, the average price was $385, with the best American Airlines deals starting from $164 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
North Wildwood
Cherry Hill
Dewey Beach
Lewes
Exton
Vineland
Essington
Pottstown
New Castle
Avalon
West Chester

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.


An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 4/12
Sat 4/19

Find better results for your trip to the United States