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Dulles → Las Vegas

Dec 9, 2026 · return Dec 23, 2026

IAD → LAS1 adulteconomyRound trip

9 flight options · 3 airlines

Nonstop flights

Wed, Dec 9 – Wed, Dec 23

Frontier Airlines
8:51 pmIAD
5h 17m
Nonstop
11:08 pmLAS
Frontier Airlines
9:47 pmLAS
4h 23m
Nonstop
5:10 am+1IAD

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Wed, Dec 23

United Airlines
8:52 pmIAD
5h 16m
Nonstop
11:08 pmLAS
United Airlines
11:45 pmLAS
4h 22m
Nonstop
7:07 am+1IAD

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Wed, Dec 23

Frontier Airlines
1:09 pmIAD
5h 22m
Nonstop
3:31 pmLAS
United Airlines
11:45 pmLAS
4h 22m
Nonstop
7:07 am+1IAD

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 9 – Wed, Dec 23

American Airlines
5:50 pmIAD
8h 35m
DFW · 2h
11:25 pmLAS
American Airlines
11:01 pmLAS
6h 40m
CLT · 1h 2m
8:41 am+1IAD

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Wed, Dec 23

Frontier Airlines
9:10 pmIAD
5h 17m
Nonstop
11:27 pmLAS
United Airlines
12:59 amLAS
7h 29m
IAH · 1h 28m
11:28 amIAD

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Wed, Dec 23

United Airlines
5:18 pmIAD
8h 29m
YYZ · 1h 39m
10:47 pmLAS
United Airlines
12:59 amLAS
7h 29m
IAH · 1h 28m
11:28 amIAD

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Wed, Dec 23

United Airlines
6:10 amIAD
8h 7m
ORD · 1h 28m
11:17 amLAS
United Airlines
12:59 amLAS
7h 29m
IAH · 1h 28m
11:28 amIAD

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Wed, Dec 23

United Airlines
8:35 amIAD
8h 32m
LAX · 1h 26m
2:07 pmLAS
United Airlines
12:59 amLAS
7h 29m
IAH · 1h 28m
11:28 amIAD

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Wed, Dec 23

United Airlines
8:06 pmIAD
5h 16m
Nonstop
10:22 pmLAS
United Airlines
12:59 amLAS
7h 29m
IAH · 1h 28m
11:28 amIAD

Round-trip 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)
2026-12-09 → 2026-12-23Frontier AirlinesF94277 / F94278$207.682026-10-29T01:58:01Z
2026-12-09 → 2026-12-23United AirlinesUA739 / UA284$426.002026-10-29T01:58:01Z
2026-12-09 → 2026-12-23American AirlinesAA2414 + AA624 / AA1474 + AA5249$372.752026-10-29T01:58:01Z
2026-12-09 → 2026-12-23Frontier Airlines / United AirlinesF94277 / UA284$328.632026-10-29T01:58:01Z
2026-12-09 → 2026-12-23Frontier Airlines / United AirlinesF94277 / UA1299 + UA1549$302.082026-10-29T01:58:01Z
2026-12-09 → 2026-12-23United AirlinesUA3453 + AC1705 / UA1299 + UA1549$378.082026-10-29T01:58:01Z
2026-12-09 → 2026-12-23United AirlinesUA565 + UA2811 / UA1299 + UA1549$378.082026-10-29T01:58:01Z
2026-12-09 → 2026-12-23United AirlinesUA1734 + UA2741 / UA1299 + UA1549$378.082026-10-29T01:58:01Z
2026-12-09 → 2026-12-23United AirlinesUA739 / UA1299 + UA1549$399.452026-10-29T01:58:01Z

2026-12-09 → 2026-12-23 · $207.68

  • Frontier Airlines F94277: IAD 2026-12-09 20:51:00 → LAS 2026-12-09 23:08:00; nonstop; 317 minutes. Local airport times.
  • Frontier Airlines F94278: LAS 2026-12-23 21:47:00 → IAD 2026-12-24 05:10:00; nonstop; 263 minutes. Local airport times.

2026-12-09 → 2026-12-23 · $426.00

  • United Airlines UA739: IAD 2026-12-09 20:52:00 → LAS 2026-12-09 23:08:00; nonstop; 316 minutes. Local airport times.
  • United Airlines UA284: LAS 2026-12-23 23:45:00 → IAD 2026-12-24 07:07:00; nonstop; 262 minutes. Local airport times.

2026-12-09 → 2026-12-23 · $372.75

  • American Airlines AA2414 / AA624: IAD 2026-12-09 17:50:00 → LAS 2026-12-09 23:25:00; 1 stop(s) via DFW; 515 minutes. Local airport times.
    • AA2414: IAD 2026-12-09 17:50:00 → DFW 2026-12-09 20:30:00; layover at DFW: 120 minutes.
    • AA624: DFW 2026-12-09 22:30:00 → LAS 2026-12-09 23:25:00.
  • American Airlines AA1474 / AA5249: LAS 2026-12-23 23:01:00 → IAD 2026-12-24 08:41:00; 1 stop(s) via CLT; 400 minutes. Local airport times.
    • AA1474: LAS 2026-12-23 23:01:00 → CLT 2026-12-24 06:08:00; layover at CLT: 62 minutes.
    • AA5249: CLT 2026-12-24 07:10:00 → IAD 2026-12-24 08:41:00.

2026-12-09 → 2026-12-23 · $328.63

  • Frontier Airlines F94277: IAD 2026-12-09 13:09:00 → LAS 2026-12-09 15:31:00; nonstop; 322 minutes. Local airport times.
  • United Airlines UA284: LAS 2026-12-23 23:45:00 → IAD 2026-12-24 07:07:00; nonstop; 262 minutes. Local airport times.

2026-12-09 → 2026-12-23 · $302.08

  • Frontier Airlines F94277: IAD 2026-12-09 21:10:00 → LAS 2026-12-09 23:27:00; nonstop; 317 minutes. Local airport times.
  • United Airlines UA1299 / UA1549: LAS 2026-12-23 00:59:00 → IAD 2026-12-23 11:28:00; 1 stop(s) via IAH; 449 minutes. Local airport times.
    • UA1299: LAS 2026-12-23 00:59:00 → IAH 2026-12-23 05:54:00; layover at IAH: 88 minutes.
    • UA1549: IAH 2026-12-23 07:22:00 → IAD 2026-12-23 11:28:00.

2026-12-09 → 2026-12-23 · $378.08

  • United Airlines UA3453 / AC1705: IAD 2026-12-09 17:18:00 → LAS 2026-12-09 22:47:00; 1 stop(s) via YYZ; 509 minutes. Local airport times.
    • UA3453: IAD 2026-12-09 17:18:00 → YYZ 2026-12-09 19:01:00; layover at YYZ: 99 minutes.
    • AC1705: YYZ 2026-12-09 20:40:00 → LAS 2026-12-09 22:47:00.
  • United Airlines UA1299 / UA1549: LAS 2026-12-23 00:59:00 → IAD 2026-12-23 11:28:00; 1 stop(s) via IAH; 449 minutes. Local airport times.
    • UA1299: LAS 2026-12-23 00:59:00 → IAH 2026-12-23 05:54:00; layover at IAH: 88 minutes.
    • UA1549: IAH 2026-12-23 07:22:00 → IAD 2026-12-23 11:28:00.

2026-12-09 → 2026-12-23 · $378.08

  • United Airlines UA565 / UA2811: IAD 2026-12-09 06:10:00 → LAS 2026-12-09 11:17:00; 1 stop(s) via ORD; 487 minutes. Local airport times.
    • UA565: IAD 2026-12-09 06:10:00 → ORD 2026-12-09 07:32:00; layover at ORD: 88 minutes.
    • UA2811: ORD 2026-12-09 09:00:00 → LAS 2026-12-09 11:17:00.
  • United Airlines UA1299 / UA1549: LAS 2026-12-23 00:59:00 → IAD 2026-12-23 11:28:00; 1 stop(s) via IAH; 449 minutes. Local airport times.
    • UA1299: LAS 2026-12-23 00:59:00 → IAH 2026-12-23 05:54:00; layover at IAH: 88 minutes.
    • UA1549: IAH 2026-12-23 07:22:00 → IAD 2026-12-23 11:28:00.

2026-12-09 → 2026-12-23 · $378.08

  • United Airlines UA1734 / UA2741: IAD 2026-12-09 08:35:00 → LAS 2026-12-09 14:07:00; 1 stop(s) via LAX; 512 minutes. Local airport times.
    • UA1734: IAD 2026-12-09 08:35:00 → LAX 2026-12-09 11:24:00; layover at LAX: 86 minutes.
    • UA2741: LAX 2026-12-09 12:50:00 → LAS 2026-12-09 14:07:00.
  • United Airlines UA1299 / UA1549: LAS 2026-12-23 00:59:00 → IAD 2026-12-23 11:28:00; 1 stop(s) via IAH; 449 minutes. Local airport times.
    • UA1299: LAS 2026-12-23 00:59:00 → IAH 2026-12-23 05:54:00; layover at IAH: 88 minutes.
    • UA1549: IAH 2026-12-23 07:22:00 → IAD 2026-12-23 11:28:00.

2026-12-09 → 2026-12-23 · $399.45

  • United Airlines UA739: IAD 2026-12-09 20:06:00 → LAS 2026-12-09 22:22:00; nonstop; 316 minutes. Local airport times.
  • United Airlines UA1299 / UA1549: LAS 2026-12-23 00:59:00 → IAD 2026-12-23 11:28:00; 1 stop(s) via IAH; 449 minutes. Local airport times.
    • UA1299: LAS 2026-12-23 00:59:00 → IAH 2026-12-23 05:54:00; layover at IAH: 88 minutes.
    • UA1549: IAH 2026-12-23 07:22:00 → IAD 2026-12-23 11:28:00.

More dates for this route