Southwest® flights from Knoxville to Philadelphia from $148
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1 Passenger
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today
Low fares from Knoxville to Philadelphia
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$
Knoxville (TYS)to
Philadelphia (PHL)
Depart: 03/07/2026
One-way
Basic
From
$148
Low fares from Knoxville to Philadelphia
$
Knoxville (TYS)to
Philadelphia (PHL)
Depart: 03/07/2026
One-way
Basic
From
$148
Seen: 8 hrs ago
Knoxville (TYS)to
Philadelphia (PHL)
Depart: 03/28/2026
One-way
Basic
From
$148
Seen: 11 hrs ago
Knoxville (TYS)to
Philadelphia (PHL)
Depart: 03/14/2026
One-way
Basic
From
$167
Seen: 5 hrs ago
Knoxville (TYS)to
Philadelphia (PHL)
Depart: 04/16/2026
One-way
Basic
From
$169
Seen: 5 hrs ago
Knoxville (TYS)to
Philadelphia (PHL)
Depart: 03/07/2026
One-way
Choice
From
$176
Seen: 8 hrs ago
Knoxville (TYS)to
Philadelphia (PHL)
Depart: 03/28/2026
One-way
Choice
From
$176
Seen: 11 hrs ago
Explore flights from Knoxville to Philadelphia
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Flight Details
Departing from:
Mc Ghee Tyson Airport
Arriving at:
Philadelphia International Airport
Distance:
554 miles
Route Information
44† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 44 weekly flights from Knoxville to Philadelphia on Southwest Airlines.
To find the lowest fares by day and time to fly Knoxville to Philadelphia with Southwest, check out our Low Fare Calendar.
You can rent a car at Philadelphia International Airport book yours with your flight.
Yes! Flights from Knoxville to Philadelphia—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.