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Denver → Dulles

Dec 21, 2026 · return Dec 26, 2026

DEN → IAD1 adulteconomyRound trip

8 flight options · 2 airlines

Nonstop flights

Mon, Dec 21 – Sat, Dec 26

United Airlines
6:00 amDEN
3h 19m
Nonstop
11:19 amIAD
United Airlines
7:30 pmIAD
4h 3m
Nonstop
9:33 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

United Airlines
4:11 pmDEN
3h 13m
Nonstop
9:24 pmIAD
United Airlines
7:30 pmIAD
4h 3m
Nonstop
9:33 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Sat, Dec 26

American Airlines
12:54 amDEN
5h 47m
CLT · 1h 9m
8:41 amIAD
United Airlines
7:30 pmIAD
4h 3m
Nonstop
9:33 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

United Airlines
1:40 pmDEN
5h 50m
BNA · 1h 24m
9:30 pmIAD
United Airlines
7:30 pmIAD
4h 3m
Nonstop
9:33 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

United Airlines
7:40 amDEN
5h 46m
MSP · 1h 15m
3:26 pmIAD
United Airlines
7:30 pmIAD
4h 3m
Nonstop
9:33 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

United Airlines
1:30 pmDEN
5h 55m
MCI · 1h 41m
9:25 pmIAD
United Airlines
7:30 pmIAD
4h 3m
Nonstop
9:33 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

United Airlines
4:35 pmDEN
5h 55m
ORD · 1h 26m
12:30 am+1IAD
United Airlines
7:30 pmIAD
4h 3m
Nonstop
9:33 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

United Airlines
1:55 pmDEN
5h 16m
CLE · 1h 3m
9:11 pmIAD
United Airlines
7:30 pmIAD
4h 3m
Nonstop
9:33 pmDEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ 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 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 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 → 2026-12-26United AirlinesUA1279 / UA672$442.002026-10-29T01:03:59Z
2026-12-21 → 2026-12-26American Airlines / United AirlinesAA591 + AA5249 / UA672$422.502026-10-29T01:03:59Z
2026-12-21 → 2026-12-26United AirlinesUA421 / UA672$442.002026-10-29T01:03:59Z
2026-12-21 → 2026-12-26United AirlinesUA1109 + UA1574 / UA672$429.002026-10-29T01:03:59Z
2026-12-21 → 2026-12-26United AirlinesUA773 + UA3579 / UA672$429.002026-10-29T01:03:59Z
2026-12-21 → 2026-12-26United AirlinesUA586 + UA3433 / UA672$429.002026-10-29T01:03:59Z
2026-12-21 → 2026-12-26United AirlinesUA675 + UA1779 / UA672$429.002026-10-29T01:03:59Z
2026-12-21 → 2026-12-26United AirlinesUA2476 + UA1623 / UA672$429.002026-10-29T01:03:59Z

2026-12-21 → 2026-12-26 · $442.00

  • United Airlines UA1279: DEN 2026-12-21 06:00:00 → IAD 2026-12-21 11:19:00; nonstop; 199 minutes. Local airport times.
  • United Airlines UA672: IAD 2026-12-26 19:30:00 → DEN 2026-12-26 21:33:00; nonstop; 243 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $422.50

  • American Airlines AA591 / AA5249: DEN 2026-12-21 00:54:00 → IAD 2026-12-21 08:41:00; 1 stop(s) via CLT; 347 minutes. Local airport times.
    • AA591: DEN 2026-12-21 00:54:00 → CLT 2026-12-21 06:01:00; layover at CLT: 69 minutes.
    • AA5249: CLT 2026-12-21 07:10:00 → IAD 2026-12-21 08:41:00.
  • United Airlines UA672: IAD 2026-12-26 19:30:00 → DEN 2026-12-26 21:33:00; nonstop; 243 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $442.00

  • United Airlines UA421: DEN 2026-12-21 16:11:00 → IAD 2026-12-21 21:24:00; nonstop; 193 minutes. Local airport times.
  • United Airlines UA672: IAD 2026-12-26 19:30:00 → DEN 2026-12-26 21:33:00; nonstop; 243 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $429.00

  • United Airlines UA1109 / UA1574: DEN 2026-12-21 13:40:00 → IAD 2026-12-21 21:30:00; 1 stop(s) via BNA; 350 minutes. Local airport times.
    • UA1109: DEN 2026-12-21 13:40:00 → BNA 2026-12-21 17:19:00; layover at BNA: 84 minutes.
    • UA1574: BNA 2026-12-21 18:43:00 → IAD 2026-12-21 21:30:00.
  • United Airlines UA672: IAD 2026-12-26 19:30:00 → DEN 2026-12-26 21:33:00; nonstop; 243 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $429.00

  • United Airlines UA773 / UA3579: DEN 2026-12-21 07:40:00 → IAD 2026-12-21 15:26:00; 1 stop(s) via MSP; 346 minutes. Local airport times.
    • UA773: DEN 2026-12-21 07:40:00 → MSP 2026-12-21 10:40:00; layover at MSP: 75 minutes.
    • UA3579: MSP 2026-12-21 11:55:00 → IAD 2026-12-21 15:26:00.
  • United Airlines UA672: IAD 2026-12-26 19:30:00 → DEN 2026-12-26 21:33:00; nonstop; 243 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $429.00

  • United Airlines UA586 / UA3433: DEN 2026-12-21 13:30:00 → IAD 2026-12-21 21:25:00; 1 stop(s) via MCI; 355 minutes. Local airport times.
    • UA586: DEN 2026-12-21 13:30:00 → MCI 2026-12-21 16:09:00; layover at MCI: 101 minutes.
    • UA3433: MCI 2026-12-21 17:50:00 → IAD 2026-12-21 21:25:00.
  • United Airlines UA672: IAD 2026-12-26 19:30:00 → DEN 2026-12-26 21:33:00; nonstop; 243 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $429.00

  • United Airlines UA675 / UA1779: DEN 2026-12-21 16:35:00 → IAD 2026-12-22 00:30:00; 1 stop(s) via ORD; 355 minutes. Local airport times.
    • UA675: DEN 2026-12-21 16:35:00 → ORD 2026-12-21 20:15:00; layover at ORD: 86 minutes.
    • UA1779: ORD 2026-12-21 21:41:00 → IAD 2026-12-22 00:30:00.
  • United Airlines UA672: IAD 2026-12-26 19:30:00 → DEN 2026-12-26 21:33:00; nonstop; 243 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $429.00

  • United Airlines UA2476 / UA1623: DEN 2026-12-21 13:55:00 → IAD 2026-12-21 21:11:00; 1 stop(s) via CLE; 316 minutes. Local airport times.
    • UA2476: DEN 2026-12-21 13:55:00 → CLE 2026-12-21 18:47:00; layover at CLE: 63 minutes.
    • UA1623: CLE 2026-12-21 19:50:00 → IAD 2026-12-21 21:11:00.
  • United Airlines UA672: IAD 2026-12-26 19:30:00 → DEN 2026-12-26 21:33:00; nonstop; 243 minutes. Local airport times.

More dates for this route