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Flights from Philadelphia to Knoxville
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Latest Flight Deals from Philadelphia to Knoxville

Book one-way or return flights from Philadelphia to Knoxville from as little as NZD 47. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • PHL19:08
        2h 2m
        Direct
        TYS21:10
        Tue, Jun 4|Philadelphia - Knoxville|Frontier Airlines
        NZD 47NZD 139
        66% OFF
        66% OFF
        NZD 139NZD 47
      • PHL19:08
        2h 2m
        Direct
        TYS21:10
        Tue, May 21|Philadelphia - Knoxville|Frontier Airlines
        NZD 53NZD 139
        62% OFF
        62% OFF
        NZD 139NZD 53
      • PHL19:05
        2h 2m
        Direct
        TYS21:07
        Sun, May 19|Philadelphia - Knoxville|Frontier Airlines
        NZD 64NZD 139
        54% OFF
        54% OFF
        NZD 139NZD 64
      • PHL19:10
        2h 6m
        Direct
        TYS21:16
        Thu, Jun 13|Philadelphia - Knoxville|Frontier Airlines
        NZD 81
        NZD 81
      • PHL22:54
        9h 23m
        1 stop
        TYS08:17
        Wed, May 29|Philadelphia - Knoxville|Frontier Airlines
        NZD 88
        NZD 88
      • PHL19:18
        12h 59m
        1 stop
        TYS08:17
        Wed, May 29|Philadelphia - Knoxville|Spirit Airlines
        NZD 89
        NZD 89
      • PHL22:14
        10h 3m
        1 stop
        TYS08:17
        Wed, May 15|Philadelphia - Knoxville|Frontier Airlines
        NZD 91
        NZD 91
      • PHL22:59
        9h 8m
        1 stop
        TYS08:07
        Mon, May 20|Philadelphia - Knoxville|Frontier Airlines
        NZD 93
        NZD 93
      • PHL20:40
        13h 11m
        1 stop
        TYS09:51
        Tue, Apr 30|Philadelphia - Knoxville|Frontier Airlines
        NZD 93
        NZD 93
      • PHL23:02
        8h 55m
        1 stop
        TYS07:57
        Sat, May 18|Philadelphia - Knoxville|Frontier Airlines
        NZD 94
        NZD 94
      • PHL13:00
        3h 5m
        Direct
        TYS14:00
        Sun, May 5|Philadelphia - Knoxville|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Philadelphia to Knoxville? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Philadelphia to Knoxville. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Philadelphia to Knoxville

View airlines operating flights from Philadelphia to Knoxville. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From NZD 47
Spirit Airlines
From NZD 89
American Airlines
From NZD 141
United Airlines
From NZD 270
Delta Air Lines
From NZD 307
Jetblue Airways
From NZD 356
ANA airlines

Find more flights and airlines

Alternative Routes from Philadelphia to Knoxville

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Philadelphia to Knoxville.

  • Cheapest
    Frontier Airlines
    PHL
    19:08
    2h 2m
    Direct
    TYS
    21:10
    Philadelphia International Airport - Mcghee Tyson Airport
    Tue, Jun 4Frontier Airlines
    NZD 47
  • Frontier Airlines
    TTN
    18:43
    13h 24m
    1 transfer
    TYS
    08:07
    Trenton Mercer Airport - Mcghee Tyson Airport
    Mon, May 20Frontier Airlines
    NZD 96
  • Frontier Airlines
    TTN
    18:43
    13h 24m
    1 transfer
    TYS
    08:07
    Trenton Mercer Airport - Mcghee Tyson Airport
    Mon, May 20Frontier Airlines
    NZD 96
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Philadelphia (PHL) to Knoxville (TYS) the cheapest?

    Airlines adjust prices for flights from Philadelphia to Knoxville based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Philadelphia (PHL) to Knoxville (TYS) cost?

    According to Trip.com's data, the lowest price is around NZD 640.

  • How long does it take to fly from Philadelphia (PHL) to Knoxville (TYS) and what is the distance?

    It takes around 2 hours 4 minutes to fly from Philadelphia (PHL) to Knoxville (TYS).

  • What are the most popular airlines that fly from Philadelphia (PHL) to Knoxville (TYS)?

    Airlines with flights from Philadelphia (PHL) to Knoxville (TYS): American Airlines, British Airways, Qatar Airways and Alaska Airlines.

How to find a cheap flight from Philadelphia to Knoxville

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Philadelphia to Knoxville. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Philadelphia to Knoxville

Cheapest nonstop flight price

NZD 47

Cheapest round-trip ticket price

NZD 97

Off-season for travel

May

Peak season for travel

February

Flight distance

891.99km

Average flight time

2 hours 4 minutes

Popular airline

Delta Air Lines

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