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Knoxville → Dulles

Dec 21, 2026 · return Jan 4, 2027

TYS → IAD1 adulteconomyRound trip

4 flight options · 3 airlines

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

United Airlines
7:35 pmTYS
1h 40m
Nonstop
9:15 pmIAD
United Airlines
10:15 pmIAD
1h 44m
Nonstop
11:59 pmTYS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
9:45 amTYS
1h 43m
Nonstop
11:28 amIAD
United Airlines
10:15 pmIAD
1h 44m
Nonstop
11:59 pmTYS

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Jan 4

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

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
10:35 amTYS
5h 27m
ATL · 2h 45m
4:02 pmIAD
Delta Air Lines
12:34 pmIAD
4h 48m
ATL · 1h 54m
5:22 pmTYS

Round-trip total · 1 adult · Taxes included

Make this trip yours

TYS ⇄ IAD

Economy

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

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More dates

All dates for this routeNov 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 2026 · One way
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.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2027-01-04United AirlinesUA6255 / UA4304$352.002026-10-29T01:30:55Z
2026-12-21 → 2027-01-04American AirlinesAA6343 + AA1473 / AA1637 + AA6018$363.002026-10-29T01:30:55Z
2026-12-21 → 2027-01-04Delta Air LinesDL4666 + DL1695 / DL1444 + DL2571$385.002026-10-29T01:30:55Z
2026-12-21 → 2027-01-04United AirlinesUA4325 / UA4304$352.002026-10-29T01:30:55Z

2026-12-21 → 2027-01-04 · $352.00

  • United Airlines UA6255: TYS 2026-12-21 19:35:00 → IAD 2026-12-21 21:15:00; nonstop; 100 minutes. Local airport times.
  • United Airlines UA4304: IAD 2027-01-04 22:15:00 → TYS 2027-01-04 23:59:00; nonstop; 104 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $363.00

  • American Airlines AA6343 / AA1473: TYS 2026-12-21 18:05:00 → IAD 2026-12-21 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times.
    • AA6343: TYS 2026-12-21 18:05:00 → CLT 2026-12-21 19:34:00; layover at CLT: 66 minutes.
    • AA1473: CLT 2026-12-21 20:40:00 → IAD 2026-12-21 22:01:00.
  • American Airlines AA1637 / AA6018: IAD 2027-01-04 06:00:00 → TYS 2027-01-04 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA1637: IAD 2027-01-04 06:00:00 → CLT 2027-01-04 07:37:00; layover at CLT: 93 minutes.
    • AA6018: CLT 2027-01-04 09:10:00 → TYS 2027-01-04 10:33:00.

2026-12-21 → 2027-01-04 · $385.00

  • Delta Air Lines DL4666 / DL1695: TYS 2026-12-21 10:35:00 → IAD 2026-12-21 16:02:00; 1 stop(s) via ATL; 327 minutes. Local airport times.
    • DL4666: TYS 2026-12-21 10:35:00 → ATL 2026-12-21 11:36:00; layover at ATL: 165 minutes.
    • DL1695: ATL 2026-12-21 14:21:00 → IAD 2026-12-21 16:02:00.
  • Delta Air Lines DL1444 / DL2571: IAD 2027-01-04 12:34:00 → TYS 2027-01-04 17:22:00; 1 stop(s) via ATL; 288 minutes. Local airport times.
    • DL1444: IAD 2027-01-04 12:34:00 → ATL 2027-01-04 14:31:00; layover at ATL: 114 minutes.
    • DL2571: ATL 2027-01-04 16:25:00 → TYS 2027-01-04 17:22:00.

2026-12-21 → 2027-01-04 · $352.00

  • United Airlines UA4325: TYS 2026-12-21 09:45:00 → IAD 2026-12-21 11:28:00; nonstop; 103 minutes. Local airport times.
  • United Airlines UA4304: IAD 2027-01-04 22:15:00 → TYS 2027-01-04 23:59:00; nonstop; 104 minutes. Local airport times.

More dates for this route