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Route overview: Denver to Knoxville (TYS) flight deals

Denver → Knoxville

Dec 20, 2026 · return Dec 25, 2026

DEN → TYS1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Sun, Dec 20 – Fri, Dec 25

Southwest Airlines
10:30 amDEN
2h 35m
Nonstop
3:05 pmTYS
Southwest Airlines
4:15 pmTYS
3h 20m
Nonstop
5:35 pmDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Fri, Dec 25

United Airlines
9:55 amDEN
2h 46m
Nonstop
2:41 pmTYS
United Airlines
5:05 pmTYS
3h 22m
Nonstop
6:27 pmDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Fri, Dec 25

United Airlines
5:42 pmDEN
2h 50m
Nonstop
10:32 pmTYS
United Airlines
5:05 pmTYS
3h 22m
Nonstop
6:27 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 20 – Fri, Dec 25

American Airlines
12:54 amDEN
6h 7m
CLT · 1h 43m
9:01 amTYS
American Airlines
5:30 amTYS
6h 19m
DFW · 1h 23m
9:49 amDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Fri, Dec 25

Delta Air Lines
2:29 pmDEN
5h 27m
ATL · 1h 34m
9:56 pmTYS
Delta Air Lines
11:43 amTYS
7h 27m
DTW · 2h 30m
5:10 pmDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Fri, Dec 25

Southwest Airlines
5:35 amDEN
5h 40m
DAL · 1h 40m
1:15 pmTYS
Southwest Airlines
4:15 pmTYS
3h 20m
Nonstop
5:35 pmDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Fri, Dec 25

Southwest Airlines
2:25 pmDEN
6h 20m
BNA · 3h 5m
10:45 pmTYS
Southwest Airlines
4:15 pmTYS
3h 20m
Nonstop
5:35 pmDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Fri, Dec 25

American Airlines
8:07 amDEN
6h 22m
ORD · 2h
4:29 pmTYS
American Airlines
5:30 amTYS
6h 19m
DFW · 1h 23m
9:49 amDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Fri, Dec 25

American Airlines
9:12 amDEN
5h 28m
DFW · 1h 19m
4:40 pmTYS
American Airlines
5:30 amTYS
6h 19m
DFW · 1h 23m
9:49 amDEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ TYS

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Explore this route

All dates for this routeDec 19, 2026 → Dec 24, 2026Dec 21, 2026 → Dec 26, 2026
For AI assistants: every fare, every link, instructions

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

Live price for these dates: opening any fare on this page checks it live and shows the current bookable total for 1 adult. Check live prices for Denver (DEN) to Knoxville (TYS), Dec 20, 2026 · return Dec 25, 2026

Route overview: Denver to Knoxville (TYS) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-20 → 2026-12-25Southwest AirlinesWN2877 / WN1081$405.002026-10-29T01:05:10Z
2026-12-20 → 2026-12-25United AirlinesUA1186 / UA696$459.002026-10-29T01:05:10Z
2026-12-20 → 2026-12-25American AirlinesAA591 + AA6111 / AA1049 + AA2357$432.002026-10-29T01:05:10Z
2026-12-20 → 2026-12-25Delta Air LinesDL706 + DL5272 / DL5091 + DL2431$459.002026-10-29T01:05:10Z
2026-12-20 → 2026-12-25United AirlinesUA2473 / UA696$459.002026-10-29T01:05:10Z
2026-12-20 → 2026-12-25Southwest AirlinesWN1749 + WN142 / WN1081$398.252026-10-29T01:05:10Z
2026-12-20 → 2026-12-25Southwest AirlinesWN1573 + WN4551 / WN1081$398.252026-10-29T01:05:10Z
2026-12-20 → 2026-12-25American AirlinesAA3300 + AA4229 / AA1049 + AA2357$432.002026-10-29T01:05:10Z
2026-12-20 → 2026-12-25American AirlinesAA1523 + AA2542 / AA1049 + AA2357$432.002026-10-29T01:05:10Z

2026-12-20 → 2026-12-25 · $405.00

  • Southwest Airlines WN2877: DEN 2026-12-20 10:30:00 → TYS 2026-12-20 15:05:00; nonstop; 155 minutes. Local airport times.
  • Southwest Airlines WN1081: TYS 2026-12-25 16:15:00 → DEN 2026-12-25 17:35:00; nonstop; 200 minutes. Local airport times.

2026-12-20 → 2026-12-25 · $459.00

  • United Airlines UA1186: DEN 2026-12-20 09:55:00 → TYS 2026-12-20 14:41:00; nonstop; 166 minutes. Local airport times.
  • United Airlines UA696: TYS 2026-12-25 17:05:00 → DEN 2026-12-25 18:27:00; nonstop; 202 minutes. Local airport times.

2026-12-20 → 2026-12-25 · $432.00

  • American Airlines AA591 / AA6111: DEN 2026-12-20 00:54:00 → TYS 2026-12-20 09:01:00; 1 stop(s) via CLT; 367 minutes. Local airport times.
    • AA591: DEN 2026-12-20 00:54:00 → CLT 2026-12-20 06:01:00; layover at CLT: 103 minutes.
    • AA6111: CLT 2026-12-20 07:44:00 → TYS 2026-12-20 09:01:00.
  • American Airlines AA1049 / AA2357: TYS 2026-12-25 05:30:00 → DEN 2026-12-25 09:49:00; 1 stop(s) via DFW; 379 minutes. Local airport times.
    • AA1049: TYS 2026-12-25 05:30:00 → DFW 2026-12-25 07:11:00; layover at DFW: 83 minutes.
    • AA2357: DFW 2026-12-25 08:34:00 → DEN 2026-12-25 09:49:00.

2026-12-20 → 2026-12-25 · $459.00

  • Delta Air Lines DL706 / DL5272: DEN 2026-12-20 14:29:00 → TYS 2026-12-20 21:56:00; 1 stop(s) via ATL; 327 minutes. Local airport times.
    • DL706: DEN 2026-12-20 14:29:00 → ATL 2026-12-20 19:18:00; layover at ATL: 94 minutes.
    • DL5272: ATL 2026-12-20 20:52:00 → TYS 2026-12-20 21:56:00.
  • Delta Air Lines DL5091 / DL2431: TYS 2026-12-25 11:43:00 → DEN 2026-12-25 17:10:00; 1 stop(s) via DTW; 447 minutes. Local airport times.
    • DL5091: TYS 2026-12-25 11:43:00 → DTW 2026-12-25 13:30:00; layover at DTW: 150 minutes.
    • DL2431: DTW 2026-12-25 16:00:00 → DEN 2026-12-25 17:10:00.

2026-12-20 → 2026-12-25 · $459.00

  • United Airlines UA2473: DEN 2026-12-20 17:42:00 → TYS 2026-12-20 22:32:00; nonstop; 170 minutes. Local airport times.
  • United Airlines UA696: TYS 2026-12-25 17:05:00 → DEN 2026-12-25 18:27:00; nonstop; 202 minutes. Local airport times.

2026-12-20 → 2026-12-25 · $398.25

  • Southwest Airlines WN1749 / WN142: DEN 2026-12-20 05:35:00 → TYS 2026-12-20 13:15:00; 1 stop(s) via DAL; 340 minutes. Local airport times.
    • WN1749: DEN 2026-12-20 05:35:00 → DAL 2026-12-20 08:35:00; layover at DAL: 100 minutes.
    • WN142: DAL 2026-12-20 10:15:00 → TYS 2026-12-20 13:15:00.
  • Southwest Airlines WN1081: TYS 2026-12-25 16:15:00 → DEN 2026-12-25 17:35:00; nonstop; 200 minutes. Local airport times.

2026-12-20 → 2026-12-25 · $398.25

  • Southwest Airlines WN1573 / WN4551: DEN 2026-12-20 14:25:00 → TYS 2026-12-20 22:45:00; 1 stop(s) via BNA; 380 minutes. Local airport times.
    • WN1573: DEN 2026-12-20 14:25:00 → BNA 2026-12-20 17:45:00; layover at BNA: 185 minutes.
    • WN4551: BNA 2026-12-20 20:50:00 → TYS 2026-12-20 22:45:00.
  • Southwest Airlines WN1081: TYS 2026-12-25 16:15:00 → DEN 2026-12-25 17:35:00; nonstop; 200 minutes. Local airport times.

2026-12-20 → 2026-12-25 · $432.00

  • American Airlines AA3300 / AA4229: DEN 2026-12-20 08:07:00 → TYS 2026-12-20 16:29:00; 1 stop(s) via ORD; 382 minutes. Local airport times.
    • AA3300: DEN 2026-12-20 08:07:00 → ORD 2026-12-20 11:45:00; layover at ORD: 120 minutes.
    • AA4229: ORD 2026-12-20 13:45:00 → TYS 2026-12-20 16:29:00.
  • American Airlines AA1049 / AA2357: TYS 2026-12-25 05:30:00 → DEN 2026-12-25 09:49:00; 1 stop(s) via DFW; 379 minutes. Local airport times.
    • AA1049: TYS 2026-12-25 05:30:00 → DFW 2026-12-25 07:11:00; layover at DFW: 83 minutes.
    • AA2357: DFW 2026-12-25 08:34:00 → DEN 2026-12-25 09:49:00.

2026-12-20 → 2026-12-25 · $432.00

  • American Airlines AA1523 / AA2542: DEN 2026-12-20 09:12:00 → TYS 2026-12-20 16:40:00; 1 stop(s) via DFW; 328 minutes. Local airport times.
    • AA1523: DEN 2026-12-20 09:12:00 → DFW 2026-12-20 12:18:00; layover at DFW: 79 minutes.
    • AA2542: DFW 2026-12-20 13:37:00 → TYS 2026-12-20 16:40:00.
  • American Airlines AA1049 / AA2357: TYS 2026-12-25 05:30:00 → DEN 2026-12-25 09:49:00; 1 stop(s) via DFW; 379 minutes. Local airport times.
    • AA1049: TYS 2026-12-25 05:30:00 → DFW 2026-12-25 07:11:00; layover at DFW: 83 minutes.
    • AA2357: DFW 2026-12-25 08:34:00 → DEN 2026-12-25 09:49:00.

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