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Route overview: Washington, DC to Knoxville (TYS) flight deals

Dulles → Knoxville

Dec 6, 2026 · choose your return date

IAD → 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 6, 2026 · One wayAllegiant AirNonstop$85.00 Dec 6, 2026 · One wayAmerican AirlinesUp to 1 stop each way$160.00 Dec 6, 2026 – Dec 7, 2026 · 1 nightAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 7, 2026 · 1 nightAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 8, 2026 · 2 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 8, 2026 · 2 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 9, 2026 · 3 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 9, 2026 · 3 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 10, 2026 · 4 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 10, 2026 · 4 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 11, 2026 · 5 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 11, 2026 · 5 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 12, 2026 · 6 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 12, 2026 · 6 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 13, 2026 · 7 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 13, 2026 · 7 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 14, 2026 · 8 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 14, 2026 · 8 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 15, 2026 · 9 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 15, 2026 · 9 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 16, 2026 · 10 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 16, 2026 · 10 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 17, 2026 · 11 nightsAllegiant Air / United AirlinesNonstop$242.50 Dec 6, 2026 – Dec 17, 2026 · 11 nightsAmerican AirlinesUp to 1 stop each way$305.00 Dec 6, 2026 – Dec 18, 2026 · 12 nightsAllegiant Air / United AirlinesNonstop$281.88 Dec 6, 2026 – Dec 18, 2026 · 12 nightsAmerican AirlinesUp to 1 stop each way$343.13 Dec 6, 2026 – Dec 19, 2026 · 13 nightsAllegiant Air / United AirlinesNonstop$281.88 Dec 6, 2026 – Dec 19, 2026 · 13 nightsAmerican AirlinesUp to 1 stop each way$343.13 Dec 6, 2026 – Dec 20, 2026 · 14 nightsAllegiant Air / United AirlinesNonstop$281.88 Dec 6, 2026 – Dec 20, 2026 · 14 nightsAmerican AirlinesUp to 1 stop each way$343.13

Flights for your trip

  1. Sun, Dec 6 · One way

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS

    One-way total · 1 adult · Taxes included

  2. Sun, Dec 6 · One way

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS

    One-way total · 1 adult · Taxes included

  3. Sun, Dec 6 – Mon, Dec 7

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:35 pmTYS
    1h 40m
    Nonstop
    9:15 pmIAD

    Round-trip total · 1 adult · Taxes included

  4. Sun, Dec 6 – Mon, Dec 7

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  5. Sun, Dec 6 – Tue, Dec 8

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:35 pmTYS
    1h 40m
    Nonstop
    9:15 pmIAD

    Round-trip total · 1 adult · Taxes included

  6. Sun, Dec 6 – Tue, Dec 8

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  7. Sun, Dec 6 – Wed, Dec 9

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:35 pmTYS
    1h 40m
    Nonstop
    9:15 pmIAD

    Round-trip total · 1 adult · Taxes included

  8. Sun, Dec 6 – Wed, Dec 9

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  9. Sun, Dec 6 – Thu, Dec 10

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:45 pmTYS
    1h 40m
    Nonstop
    9:25 pmIAD

    Round-trip total · 1 adult · Taxes included

  10. Sun, Dec 6 – Thu, Dec 10

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  11. Sun, Dec 6 – Sat, Dec 12

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:35 pmTYS
    1h 40m
    Nonstop
    9:15 pmIAD

    Round-trip total · 1 adult · Taxes included

  12. Sun, Dec 6 – Sat, Dec 12

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  13. Sun, Dec 6 – Sun, Dec 13

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:35 pmTYS
    1h 40m
    Nonstop
    9:15 pmIAD

    Round-trip total · 1 adult · Taxes included

  14. Sun, Dec 6 – Sun, Dec 13

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  15. Sun, Dec 6 – Mon, Dec 14

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:35 pmTYS
    1h 40m
    Nonstop
    9:15 pmIAD

    Round-trip total · 1 adult · Taxes included

  16. Sun, Dec 6 – Mon, Dec 14

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  17. Sun, Dec 6 – Wed, Dec 16

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:35 pmTYS
    1h 40m
    Nonstop
    9:15 pmIAD

    Round-trip total · 1 adult · Taxes included

  18. Sun, Dec 6 – Wed, Dec 16

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  19. Sun, Dec 6 – Thu, Dec 17

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:45 pmTYS
    1h 40m
    Nonstop
    9:25 pmIAD

    Round-trip total · 1 adult · Taxes included

  20. Sun, Dec 6 – Thu, Dec 17

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  21. Sun, Dec 6 – Fri, Dec 18

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:35 pmTYS
    1h 40m
    Nonstop
    9:15 pmIAD

    Round-trip total · 1 adult · Taxes included

  22. Sun, Dec 6 – Fri, Dec 18

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

  23. Sun, Dec 6 – Sun, Dec 20

    Allegiant Air
    4:22 pmIAD
    1h 32m
    Nonstop
    5:54 pmTYS
    United Airlines
    7:35 pmTYS
    1h 40m
    Nonstop
    9:15 pmIAD

    Round-trip total · 1 adult · Taxes included

  24. Sun, Dec 6 – Sun, Dec 20

    American Airlines
    6:00 amIAD
    4h 33m
    CLT · 1h 33m
    10:33 amTYS
    American Airlines
    6:05 pmTYS
    3h 56m
    CLT · 1h 6m
    10:01 pmIAD

    Round-trip total · 1 adult · Taxes included

Swipe to see 23 more recent deals.

1 of 24

Make this trip yours

IAD ⇄ TYS

Economy

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Explore this route

All dates for this routeDec 5, 2026 · Return optionsDec 7, 2026 · Return optionsHotels in Knoxville with Axel
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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)
2026-12-06 · one wayAllegiant AirG43007Axel-exclusive $85.002026-10-29T01:08:48Z
2026-12-06 · one wayAmerican AirlinesAA1637 + AA6018Axel-exclusive $160.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-07Allegiant Air / United AirlinesG43007 / UA6255Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-07American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-08Allegiant Air / United AirlinesG43007 / UA6255Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-08American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-09Allegiant Air / United AirlinesG43007 / UA6255Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-09American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-10Allegiant Air / United AirlinesG43007 / UA4040Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-10American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-11Allegiant Air / United AirlinesG43007 / UA6255Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-11American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-12Allegiant Air / United AirlinesG43007 / UA4040Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-12American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-13Allegiant Air / United AirlinesG43007 / UA4040Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-13American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-14Allegiant Air / United AirlinesG43007 / UA6255Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-14American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-15Allegiant Air / United AirlinesG43007 / UA6255Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-15American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-16Allegiant Air / United AirlinesG43007 / UA6255Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-16American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-17Allegiant Air / United AirlinesG43007 / UA4040Axel-exclusive $242.502026-10-29T01:08:48Z
2026-12-06 → 2026-12-17American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $305.002026-10-29T01:08:48Z
2026-12-06 → 2026-12-18Allegiant Air / United AirlinesG43007 / UA6255Axel-exclusive $281.882026-10-29T01:08:48Z
2026-12-06 → 2026-12-18American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $343.132026-10-29T01:08:48Z
2026-12-06 → 2026-12-19Allegiant Air / United AirlinesG43007 / UA4040Axel-exclusive $281.882026-10-29T01:08:48Z
2026-12-06 → 2026-12-19American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $343.132026-10-29T01:08:48Z
2026-12-06 → 2026-12-20Allegiant Air / United AirlinesG43007 / UA4040Axel-exclusive $281.882026-10-29T01:08:48Z
2026-12-06 → 2026-12-20American AirlinesAA1637 + AA6018 / AA6343 + AA1473Axel-exclusive $343.132026-10-29T01:08:48Z

Route overview: Washington, DC to Knoxville (TYS) flight deals

2026-12-06 · one way · Axel-exclusive $85.00

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $160.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.

2026-12-06 → 2026-12-07 · Axel-exclusive $242.50

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA6255: TYS 2026-12-07 19:35:00 → IAD 2026-12-07 21:15:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-07 · Axel-exclusive $305.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-07 18:05:00 → IAD 2026-12-07 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-07 18:05:00 → CLT 2026-12-07 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-07 20:40:00 → IAD 2026-12-07 22:01:00.

2026-12-06 → 2026-12-08 · Axel-exclusive $242.50

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA6255: TYS 2026-12-08 19:35:00 → IAD 2026-12-08 21:15:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-08 · Axel-exclusive $305.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-08 18:05:00 → IAD 2026-12-08 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-08 18:05:00 → CLT 2026-12-08 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-08 20:40:00 → IAD 2026-12-08 22:01:00.

2026-12-06 → 2026-12-09 · Axel-exclusive $242.50

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA6255: TYS 2026-12-09 19:35:00 → IAD 2026-12-09 21:15:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-09 · Axel-exclusive $305.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-09 18:05:00 → IAD 2026-12-09 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-09 18:05:00 → CLT 2026-12-09 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-09 20:40:00 → IAD 2026-12-09 22:01:00.

2026-12-06 → 2026-12-10 · Axel-exclusive $242.50

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA4040: TYS 2026-12-10 19:45:00 → IAD 2026-12-10 21:25:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-10 · Axel-exclusive $305.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-10 18:05:00 → IAD 2026-12-10 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-10 18:05:00 → CLT 2026-12-10 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-10 20:40:00 → IAD 2026-12-10 22:01:00.

2026-12-06 → 2026-12-12 · Axel-exclusive $242.50

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA4040: TYS 2026-12-12 19:35:00 → IAD 2026-12-12 21:15:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-12 · Axel-exclusive $305.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-12 18:05:00 → IAD 2026-12-12 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-12 18:05:00 → CLT 2026-12-12 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-12 20:40:00 → IAD 2026-12-12 22:01:00.

2026-12-06 → 2026-12-13 · Axel-exclusive $242.50

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA4040: TYS 2026-12-13 19:35:00 → IAD 2026-12-13 21:15:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-13 · Axel-exclusive $305.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-13 18:05:00 → IAD 2026-12-13 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-13 18:05:00 → CLT 2026-12-13 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-13 20:40:00 → IAD 2026-12-13 22:01:00.

2026-12-06 → 2026-12-14 · Axel-exclusive $242.50

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA6255: TYS 2026-12-14 19:35:00 → IAD 2026-12-14 21:15:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-14 · Axel-exclusive $305.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-14 18:05:00 → IAD 2026-12-14 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-14 18:05:00 → CLT 2026-12-14 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-14 20:40:00 → IAD 2026-12-14 22:01:00.

2026-12-06 → 2026-12-16 · Axel-exclusive $242.50

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA6255: TYS 2026-12-16 19:35:00 → IAD 2026-12-16 21:15:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-16 · Axel-exclusive $305.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-16 18:05:00 → IAD 2026-12-16 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-16 18:05:00 → CLT 2026-12-16 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-16 20:40:00 → IAD 2026-12-16 22:01:00.

2026-12-06 → 2026-12-17 · Axel-exclusive $242.50

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA4040: TYS 2026-12-17 19:45:00 → IAD 2026-12-17 21:25:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-17 · Axel-exclusive $305.00

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-17 18:05:00 → IAD 2026-12-17 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-17 18:05:00 → CLT 2026-12-17 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-17 20:40:00 → IAD 2026-12-17 22:01:00.

2026-12-06 → 2026-12-18 · Axel-exclusive $281.88

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA6255: TYS 2026-12-18 19:35:00 → IAD 2026-12-18 21:15:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-18 · Axel-exclusive $343.13

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-18 18:05:00 → IAD 2026-12-18 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-18 18:05:00 → CLT 2026-12-18 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-18 20:40:00 → IAD 2026-12-18 22:01:00.

2026-12-06 → 2026-12-20 · Axel-exclusive $281.88

  • Allegiant Air G43007: IAD 2026-12-06 16:22:00 → TYS 2026-12-06 17:54:00; nonstop; 92 minutes. Local airport times.
  • United Airlines UA4040: TYS 2026-12-20 19:35:00 → IAD 2026-12-20 21:15:00; nonstop; 100 minutes. Local airport times.

2026-12-06 → 2026-12-20 · Axel-exclusive $343.13

  • American Airlines AA1637 / AA6018: IAD 2026-12-06 06:00:00 → TYS 2026-12-06 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2026-12-06 06:00:00 → CLT 2026-12-06 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2026-12-06 09:10:00 → TYS 2026-12-06 10:33:00.
  • American Airlines AA6343 / AA1473: TYS 2026-12-20 18:05:00 → IAD 2026-12-20 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-20 18:05:00 → CLT 2026-12-20 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-20 20:40:00 → IAD 2026-12-20 22:01:00.

Explore this route

For AI assistants

  • This page: Dulles (IAD) to Knoxville (TYS) · Dec 6, 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 Washington, DC 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.