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Route overview: Philadelphia to Knoxville (TYS) flight deals

Philadelphia → Knoxville

Dec 23, 2026 · choose your return date

PHL → TYS1 adulteconomyOne way and round trips

30 flight options · 3 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

December 2026

Dec 23, 2026 · One waySouthwest AirlinesUp to 1 stop each way$187.50 Dec 23, 2026 · One wayAmerican AirlinesNonstop$218.75 Dec 23, 2026 – Dec 24, 2026 · 1 nightSouthwest AirlinesUp to 1 stop each way$362.50 Dec 23, 2026 – Dec 24, 2026 · 1 nightAmerican AirlinesNonstop$425.00 Dec 23, 2026 – Dec 25, 2026 · 2 nightsSouthwest AirlinesUp to 1 stop each way$362.50 Dec 23, 2026 – Dec 25, 2026 · 2 nightsAmerican AirlinesNonstop$425.00 Dec 23, 2026 – Dec 26, 2026 · 3 nightsSouthwest AirlinesUp to 1 stop each way$362.50 Dec 23, 2026 – Dec 26, 2026 · 3 nightsAmerican AirlinesNonstop$425.00 Dec 23, 2026 – Dec 27, 2026 · 4 nightsSouthwest AirlinesUp to 1 stop each way$362.50 Dec 23, 2026 – Dec 27, 2026 · 4 nightsAmerican AirlinesNonstop$425.00 Dec 23, 2026 – Dec 28, 2026 · 5 nightsSouthwest AirlinesUp to 1 stop each way$362.50 Dec 23, 2026 – Dec 28, 2026 · 5 nightsAmerican AirlinesNonstop$425.00 Dec 23, 2026 – Dec 29, 2026 · 6 nightsSouthwest AirlinesUp to 1 stop each way$362.50 Dec 23, 2026 – Dec 29, 2026 · 6 nightsAmerican AirlinesNonstop$425.00 Dec 23, 2026 – Dec 30, 2026 · 7 nightsSouthwest AirlinesUp to 1 stop each way$362.50 Dec 23, 2026 – Dec 30, 2026 · 7 nightsUnited AirlinesUp to 1 stop each way$387.50 Dec 23, 2026 – Dec 31, 2026 · 8 nightsSouthwest AirlinesUp to 1 stop each way$362.50 Dec 23, 2026 – Dec 31, 2026 · 8 nightsAmerican AirlinesNonstop$425.00 Dec 23, 2026 – Jan 1, 2027 · 9 nightsSouthwest AirlinesUp to 1 stop each way$352.35 Dec 23, 2026 – Jan 1, 2027 · 9 nightsAmerican AirlinesNonstop$413.10 Dec 23, 2026 – Jan 2, 2027 · 10 nightsSouthwest AirlinesUp to 1 stop each way$352.35 Dec 23, 2026 – Jan 2, 2027 · 10 nightsAmerican AirlinesNonstop$413.10 Dec 23, 2026 – Jan 3, 2027 · 11 nightsSouthwest AirlinesUp to 1 stop each way$352.35 Dec 23, 2026 – Jan 3, 2027 · 11 nightsAmerican AirlinesNonstop$413.10 Dec 23, 2026 – Jan 4, 2027 · 12 nightsSouthwest AirlinesUp to 1 stop each way$319.00 Dec 23, 2026 – Jan 4, 2027 · 12 nightsAmerican AirlinesNonstop$374.00 Dec 23, 2026 – Jan 5, 2027 · 13 nightsSouthwest AirlinesUp to 1 stop each way$319.00 Dec 23, 2026 – Jan 5, 2027 · 13 nightsAmerican AirlinesNonstop$374.00 Dec 23, 2026 – Jan 6, 2027 · 14 nightsSouthwest AirlinesUp to 1 stop each way$319.00 Dec 23, 2026 – Jan 6, 2027 · 14 nightsUnited AirlinesUp to 1 stop each way$341.00

Flights for your trip

  1. Wed, Dec 23 · One way

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS

    One-way total · 1 adult · Taxes included

  2. Wed, Dec 23 · One way

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS

    One-way total · 1 adult · Taxes included

  3. Wed, Dec 23 – Thu, Dec 24

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  4. Wed, Dec 23 – Thu, Dec 24

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS
    American Airlines
    6:17 pmTYS
    1h 53m
    Nonstop
    8:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  5. Wed, Dec 23 – Fri, Dec 25

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  6. Wed, Dec 23 – Fri, Dec 25

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS
    American Airlines
    6:17 pmTYS
    1h 53m
    Nonstop
    8:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  7. Wed, Dec 23 – Sat, Dec 26

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  8. Wed, Dec 23 – Sat, Dec 26

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS
    American Airlines
    7:50 amTYS
    1h 53m
    Nonstop
    9:43 amPHL

    Round-trip total · 1 adult · Taxes included

  9. Wed, Dec 23 – Sun, Dec 27

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  10. Wed, Dec 23 – Sun, Dec 27

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS
    American Airlines
    6:17 pmTYS
    1h 53m
    Nonstop
    8:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  11. Wed, Dec 23 – Tue, Dec 29

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  12. Wed, Dec 23 – Tue, Dec 29

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS
    American Airlines
    6:17 pmTYS
    1h 53m
    Nonstop
    8:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  13. Wed, Dec 23 – Wed, Dec 30

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  14. Wed, Dec 23 – Wed, Dec 30

    United Airlines
    3:05 pmPHL
    4h 31m
    IAD · 1h 27m
    7:36 pmTYS
    United Airlines
    7:35 pmTYS
    3h 55m
    IAD · 1h
    11:30 pmPHL

    Round-trip total · 1 adult · Taxes included

  15. Wed, Dec 23 – Thu, Dec 31

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  16. Wed, Dec 23 – Thu, Dec 31

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS
    American Airlines
    6:17 pmTYS
    1h 53m
    Nonstop
    8:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  17. Wed, Dec 23 – Sat, Jan 2

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  18. Wed, Dec 23 – Sat, Jan 2

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS
    American Airlines
    7:50 amTYS
    1h 53m
    Nonstop
    9:43 amPHL

    Round-trip total · 1 adult · Taxes included

  19. Wed, Dec 23 – Sun, Jan 3

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  20. Wed, Dec 23 – Sun, Jan 3

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS
    American Airlines
    6:17 pmTYS
    1h 53m
    Nonstop
    8:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  21. Wed, Dec 23 – Mon, Jan 4

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  22. Wed, Dec 23 – Mon, Jan 4

    American Airlines
    1:21 pmPHL
    2h 6m
    Nonstop
    3:27 pmTYS
    American Airlines
    6:38 pmTYS
    1h 57m
    Nonstop
    8:35 pmPHL

    Round-trip total · 1 adult · Taxes included

  23. Wed, Dec 23 – Wed, Jan 6

    Southwest Airlines
    2:55 pmPHL
    4h 55m
    BNA · 1h 45m
    7:50 pmTYS
    Southwest Airlines
    5:15 pmTYS
    4h 55m
    BNA · 1h 50m
    10:10 pmPHL

    Round-trip total · 1 adult · Taxes included

  24. Wed, Dec 23 – Wed, Jan 6

    United Airlines
    3:05 pmPHL
    4h 31m
    IAD · 1h 27m
    7:36 pmTYS
    United Airlines
    7:35 pmTYS
    3h 55m
    IAD · 1h
    11:30 pmPHL

    Round-trip total · 1 adult · Taxes included

Swipe to see 23 more recent deals.

1 of 24

Make this trip yours

PHL ⇄ TYS

Economy

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Explore this route

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Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown. To book or select flights, follow that row's price link; it keeps the exact dates and travelers.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-23 · one wayAmerican AirlinesAA6014Axel-exclusive $218.752026-10-29T01:56:05Z
2026-12-23 · one waySouthwest AirlinesWN2080 + WN31Axel-exclusive $187.502026-10-29T01:56:05Z
2026-12-23 → 2026-12-24American AirlinesAA6014 / AA5609Axel-exclusive $425.002026-10-29T01:56:05Z
2026-12-23 → 2026-12-24Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $362.502026-10-29T01:56:05Z
2026-12-23 → 2026-12-25American AirlinesAA6014 / AA5609Axel-exclusive $425.002026-10-29T01:56:05Z
2026-12-23 → 2026-12-25Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $362.502026-10-29T01:56:05Z
2026-12-23 → 2026-12-26American AirlinesAA6014 / AA5620Axel-exclusive $425.002026-10-29T01:56:05Z
2026-12-23 → 2026-12-26Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $362.502026-10-29T01:56:05Z
2026-12-23 → 2026-12-27American AirlinesAA6014 / AA5609Axel-exclusive $425.002026-10-29T01:56:05Z
2026-12-23 → 2026-12-27Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $362.502026-10-29T01:56:05Z
2026-12-23 → 2026-12-28American AirlinesAA6014 / AA5861Axel-exclusive $425.002026-10-29T01:56:05Z
2026-12-23 → 2026-12-28Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $362.502026-10-29T01:56:05Z
2026-12-23 → 2026-12-29American AirlinesAA6014 / AA5609Axel-exclusive $425.002026-10-29T01:56:05Z
2026-12-23 → 2026-12-29Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $362.502026-10-29T01:56:05Z
2026-12-23 → 2026-12-30Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $362.502026-10-29T01:56:05Z
2026-12-23 → 2026-12-30United AirlinesUA4575 + UA4914 / UA4040 + UA4558Axel-exclusive $387.502026-10-29T01:56:05Z
2026-12-23 → 2026-12-31American AirlinesAA6014 / AA5609Axel-exclusive $425.002026-10-29T01:56:05Z
2026-12-23 → 2026-12-31Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $362.502026-10-29T01:56:05Z
2026-12-23 → 2027-01-01American AirlinesAA6014 / AA5609Axel-exclusive $413.102026-10-29T01:56:05Z
2026-12-23 → 2027-01-01Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $352.352026-10-29T01:56:05Z
2026-12-23 → 2027-01-02American AirlinesAA6014 / AA5620Axel-exclusive $413.102026-10-29T01:56:05Z
2026-12-23 → 2027-01-02Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $352.352026-10-29T01:56:05Z
2026-12-23 → 2027-01-03American AirlinesAA6014 / AA5609Axel-exclusive $413.102026-10-29T01:56:05Z
2026-12-23 → 2027-01-03Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $352.352026-10-29T01:56:05Z
2026-12-23 → 2027-01-04American AirlinesAA6014 / AA5861Axel-exclusive $374.002026-10-29T01:56:05Z
2026-12-23 → 2027-01-04Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $319.002026-10-29T01:56:05Z
2026-12-23 → 2027-01-05American AirlinesAA6014 / AA5609Axel-exclusive $374.002026-10-29T01:56:05Z
2026-12-23 → 2027-01-05Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $319.002026-10-29T01:56:05Z
2026-12-23 → 2027-01-06Southwest AirlinesWN2080 + WN31 / WN463 + WN2825Axel-exclusive $319.002026-10-29T01:56:05Z
2026-12-23 → 2027-01-06United AirlinesUA4575 + UA4914 / UA4040 + UA4558Axel-exclusive $341.002026-10-29T01:56:05Z

Route overview: Philadelphia to Knoxville (TYS) flight deals

2026-12-23 · one way · Axel-exclusive $187.50

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.

2026-12-23 · one way · Axel-exclusive $218.75

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.

2026-12-23 → 2026-12-24 · Axel-exclusive $362.50

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2026-12-24 17:15:00 → PHL 2026-12-24 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2026-12-24 17:15:00 → BNA 2026-12-24 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2026-12-24 19:05:00 → PHL 2026-12-24 22:10:00.

2026-12-23 → 2026-12-24 · Axel-exclusive $425.00

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA5609: TYS 2026-12-24 18:17:00 → PHL 2026-12-24 20:10:00; nonstop; 113 minutes. Local airport times.

2026-12-23 → 2026-12-25 · Axel-exclusive $362.50

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2026-12-25 17:15:00 → PHL 2026-12-25 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2026-12-25 17:15:00 → BNA 2026-12-25 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2026-12-25 19:05:00 → PHL 2026-12-25 22:10:00.

2026-12-23 → 2026-12-25 · Axel-exclusive $425.00

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA5609: TYS 2026-12-25 18:17:00 → PHL 2026-12-25 20:10:00; nonstop; 113 minutes. Local airport times.

2026-12-23 → 2026-12-26 · Axel-exclusive $362.50

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2026-12-26 17:15:00 → PHL 2026-12-26 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2026-12-26 17:15:00 → BNA 2026-12-26 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2026-12-26 19:05:00 → PHL 2026-12-26 22:10:00.

2026-12-23 → 2026-12-26 · Axel-exclusive $425.00

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA5620: TYS 2026-12-26 07:50:00 → PHL 2026-12-26 09:43:00; nonstop; 113 minutes. Local airport times.

2026-12-23 → 2026-12-27 · Axel-exclusive $362.50

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2026-12-27 17:15:00 → PHL 2026-12-27 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2026-12-27 17:15:00 → BNA 2026-12-27 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2026-12-27 19:05:00 → PHL 2026-12-27 22:10:00.

2026-12-23 → 2026-12-27 · Axel-exclusive $425.00

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA5609: TYS 2026-12-27 18:17:00 → PHL 2026-12-27 20:10:00; nonstop; 113 minutes. Local airport times.

2026-12-23 → 2026-12-29 · Axel-exclusive $362.50

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2026-12-29 17:15:00 → PHL 2026-12-29 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2026-12-29 17:15:00 → BNA 2026-12-29 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2026-12-29 19:05:00 → PHL 2026-12-29 22:10:00.

2026-12-23 → 2026-12-29 · Axel-exclusive $425.00

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA5609: TYS 2026-12-29 18:17:00 → PHL 2026-12-29 20:10:00; nonstop; 113 minutes. Local airport times.

2026-12-23 → 2026-12-30 · Axel-exclusive $362.50

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2026-12-30 17:15:00 → PHL 2026-12-30 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2026-12-30 17:15:00 → BNA 2026-12-30 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2026-12-30 19:05:00 → PHL 2026-12-30 22:10:00.

2026-12-23 → 2026-12-30 · Axel-exclusive $387.50

  • United Airlines UA4575 / UA4914: PHL 2026-12-23 15:05:00 → TYS 2026-12-23 19:36:00; 1 stop(s) via IAD; 271 minutes. Local airport times.
    • UA4575: PHL 2026-12-23 15:05:00 → IAD 2026-12-23 16:18:00; layover at IAD: 87 minutes.
    • UA4914: IAD 2026-12-23 17:45:00 → TYS 2026-12-23 19:36:00.
  • United Airlines UA4040 / UA4558: TYS 2026-12-30 19:35:00 → PHL 2026-12-30 23:30:00; 1 stop(s) via IAD; 235 minutes. Local airport times.
    • UA4040: TYS 2026-12-30 19:35:00 → IAD 2026-12-30 21:15:00; layover at IAD: 60 minutes.
    • UA4558: IAD 2026-12-30 22:15:00 → PHL 2026-12-30 23:30:00.

2026-12-23 → 2026-12-31 · Axel-exclusive $362.50

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2026-12-31 17:15:00 → PHL 2026-12-31 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2026-12-31 17:15:00 → BNA 2026-12-31 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2026-12-31 19:05:00 → PHL 2026-12-31 22:10:00.

2026-12-23 → 2026-12-31 · Axel-exclusive $425.00

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA5609: TYS 2026-12-31 18:17:00 → PHL 2026-12-31 20:10:00; nonstop; 113 minutes. Local airport times.

2026-12-23 → 2027-01-02 · Axel-exclusive $352.35

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2027-01-02 17:15:00 → PHL 2027-01-02 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2027-01-02 17:15:00 → BNA 2027-01-02 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2027-01-02 19:05:00 → PHL 2027-01-02 22:10:00.

2026-12-23 → 2027-01-02 · Axel-exclusive $413.10

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA5620: TYS 2027-01-02 07:50:00 → PHL 2027-01-02 09:43:00; nonstop; 113 minutes. Local airport times.

2026-12-23 → 2027-01-03 · Axel-exclusive $352.35

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2027-01-03 17:15:00 → PHL 2027-01-03 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2027-01-03 17:15:00 → BNA 2027-01-03 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2027-01-03 19:05:00 → PHL 2027-01-03 22:10:00.

2026-12-23 → 2027-01-03 · Axel-exclusive $413.10

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA5609: TYS 2027-01-03 18:17:00 → PHL 2027-01-03 20:10:00; nonstop; 113 minutes. Local airport times.

2026-12-23 → 2027-01-04 · Axel-exclusive $319.00

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2027-01-04 17:15:00 → PHL 2027-01-04 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2027-01-04 17:15:00 → BNA 2027-01-04 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2027-01-04 19:05:00 → PHL 2027-01-04 22:10:00.

2026-12-23 → 2027-01-04 · Axel-exclusive $374.00

  • American Airlines AA6014: PHL 2026-12-23 13:21:00 → TYS 2026-12-23 15:27:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA5861: TYS 2027-01-04 18:38:00 → PHL 2027-01-04 20:35:00; nonstop; 117 minutes. Local airport times.

2026-12-23 → 2027-01-06 · Axel-exclusive $319.00

  • Southwest Airlines WN2080 / WN31: PHL 2026-12-23 14:55:00 → TYS 2026-12-23 19:50:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN2080: PHL 2026-12-23 14:55:00 → BNA 2026-12-23 16:10:00; layover at BNA: 105 minutes.
    • WN31: BNA 2026-12-23 17:55:00 → TYS 2026-12-23 19:50:00.
  • Southwest Airlines WN463 / WN2825: TYS 2027-01-06 17:15:00 → PHL 2027-01-06 22:10:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN463: TYS 2027-01-06 17:15:00 → BNA 2027-01-06 17:15:00; layover at BNA: 110 minutes.
    • WN2825: BNA 2027-01-06 19:05:00 → PHL 2027-01-06 22:10:00.

2026-12-23 → 2027-01-06 · Axel-exclusive $341.00

  • United Airlines UA4575 / UA4914: PHL 2026-12-23 15:05:00 → TYS 2026-12-23 19:36:00; 1 stop(s) via IAD; 271 minutes. Local airport times.
    • UA4575: PHL 2026-12-23 15:05:00 → IAD 2026-12-23 16:18:00; layover at IAD: 87 minutes.
    • UA4914: IAD 2026-12-23 17:45:00 → TYS 2026-12-23 19:36:00.
  • United Airlines UA4040 / UA4558: TYS 2027-01-06 19:35:00 → PHL 2027-01-06 23:30:00; 1 stop(s) via IAD; 235 minutes. Local airport times.
    • UA4040: TYS 2027-01-06 19:35:00 → IAD 2027-01-06 21:15:00; layover at IAD: 60 minutes.
    • UA4558: IAD 2027-01-06 22:15:00 → PHL 2027-01-06 23:30:00.

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For AI assistants

  • This page: Philadelphia (PHL) to Knoxville (TYS) · Dec 23, 2026 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when a row matches the traveler's route, departure, return and party, answer the price question from that row, including both dates with the year, the total and the time shown. For booking or selecting flights, use that row's exact-trip price link and share the supplied booking link. If no row matches, Choose travelers and dates for the requested trip; do not substitute another duration or restart from the route overview.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Philadelphia to Knoxville (TYS) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.