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Dulles → Las Vegas

Dec 21, 2026 · one way

IAD → LAS1 adulteconomyOne way

9 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 · One way

Frontier Airlines
8:51 pmIAD
5h 17m
Nonstop
11:08 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
5:40 pmIAD
5h 18m
Nonstop
7:58 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
8:06 pmIAD
5h 16m
Nonstop
10:22 pmLAS

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

American Airlines
5:50 pmIAD
8h 35m
DFW · 2h
11:25 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
5:29 pmIAD
7h 25m
DTW · 1h 7m
9:54 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Frontier Airlines
6:07 pmIAD
8h 1m
ATL · 1h 5m
11:08 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
8:35 amIAD
8h 32m
LAX · 1h 26m
2:07 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
6:10 amIAD
8h 7m
ORD · 1h 28m
11:17 amLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
5:18 pmIAD
8h 29m
YYZ · 1h 39m
10:47 pmLAS

One-way total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ LAS

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 · one wayFrontier AirlinesF94277$123.902026-10-29T01:58:01Z
2026-12-21 · one wayUnited AirlinesUA2209$253.702026-10-29T01:58:01Z
2026-12-21 · one wayAmerican AirlinesAA2414 + AA624$218.302026-10-29T01:58:01Z
2026-12-21 · one wayDelta Air LinesDL5073 + DL916$236.002026-10-29T01:58:01Z
2026-12-21 · one wayUnited AirlinesUA739$253.702026-10-29T01:58:01Z
2026-12-21 · one wayFrontier AirlinesF91081 + F93923$112.102026-10-29T01:58:01Z
2026-12-21 · one wayUnited AirlinesUA1734 + UA2741$224.202026-10-29T01:58:01Z
2026-12-21 · one wayUnited AirlinesUA565 + UA2811$224.202026-10-29T01:58:01Z
2026-12-21 · one wayUnited AirlinesUA3453 + AC1705$224.202026-10-29T01:58:01Z

2026-12-21 · one way · $123.90

  • Frontier Airlines F94277: IAD 2026-12-21 20:51:00 → LAS 2026-12-21 23:08:00; nonstop; 317 minutes. Local airport times.

2026-12-21 · one way · $253.70

  • United Airlines UA2209: IAD 2026-12-21 17:40:00 → LAS 2026-12-21 19:58:00; nonstop; 318 minutes. Local airport times.

2026-12-21 · one way · $218.30

  • American Airlines AA2414 / AA624: IAD 2026-12-21 17:50:00 → LAS 2026-12-21 23:25:00; 1 stop(s) via DFW; 515 minutes. Local airport times.
    • AA2414: IAD 2026-12-21 17:50:00 → DFW 2026-12-21 20:30:00; layover at DFW: 120 minutes.
    • AA624: DFW 2026-12-21 22:30:00 → LAS 2026-12-21 23:25:00.

2026-12-21 · one way · $236.00

  • Delta Air Lines DL5073 / DL916: IAD 2026-12-21 17:29:00 → LAS 2026-12-21 21:54:00; 1 stop(s) via DTW; 445 minutes. Local airport times.
    • DL5073: IAD 2026-12-21 17:29:00 → DTW 2026-12-21 19:13:00; layover at DTW: 67 minutes.
    • DL916: DTW 2026-12-21 20:20:00 → LAS 2026-12-21 21:54:00.

2026-12-21 · one way · $253.70

  • United Airlines UA739: IAD 2026-12-21 20:06:00 → LAS 2026-12-21 22:22:00; nonstop; 316 minutes. Local airport times.

2026-12-21 · one way · $112.10

  • Frontier Airlines F91081 / F93923: IAD 2026-12-21 18:07:00 → LAS 2026-12-21 23:08:00; 1 stop(s) via ATL; 481 minutes. Local airport times.
    • F91081: IAD 2026-12-21 18:07:00 → ATL 2026-12-21 20:27:00; layover at ATL: 65 minutes.
    • F93923: ATL 2026-12-21 21:32:00 → LAS 2026-12-21 23:08:00.

2026-12-21 · one way · $224.20

  • United Airlines UA1734 / UA2741: IAD 2026-12-21 08:35:00 → LAS 2026-12-21 14:07:00; 1 stop(s) via LAX; 512 minutes. Local airport times.
    • UA1734: IAD 2026-12-21 08:35:00 → LAX 2026-12-21 11:24:00; layover at LAX: 86 minutes.
    • UA2741: LAX 2026-12-21 12:50:00 → LAS 2026-12-21 14:07:00.

2026-12-21 · one way · $224.20

  • United Airlines UA565 / UA2811: IAD 2026-12-21 06:10:00 → LAS 2026-12-21 11:17:00; 1 stop(s) via ORD; 487 minutes. Local airport times.
    • UA565: IAD 2026-12-21 06:10:00 → ORD 2026-12-21 07:32:00; layover at ORD: 88 minutes.
    • UA2811: ORD 2026-12-21 09:00:00 → LAS 2026-12-21 11:17:00.

2026-12-21 · one way · $224.20

  • United Airlines UA3453 / AC1705: IAD 2026-12-21 17:18:00 → LAS 2026-12-21 22:47:00; 1 stop(s) via YYZ; 509 minutes. Local airport times.
    • UA3453: IAD 2026-12-21 17:18:00 → YYZ 2026-12-21 19:01:00; layover at YYZ: 99 minutes.
    • AC1705: YYZ 2026-12-21 20:40:00 → LAS 2026-12-21 22:47:00.

More dates for this route