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Dulles → Las Vegas

Dec 21, 2026 · return Dec 24, 2026

IAD → LAS1 adulteconomyRound trip

10 flight options · 3 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 24

Frontier Airlines
8:51 pmIAD
5h 17m
Nonstop
11:08 pmLAS
Frontier Airlines
10:39 pmLAS
4h 28m
Nonstop
6:07 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
8:06 pmIAD
5h 16m
Nonstop
10:22 pmLAS
United Airlines
11:45 pmLAS
4h 22m
Nonstop
7:07 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

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

Mon, Dec 21 – Thu, Dec 24

United Airlines
5:40 pmIAD
5h 18m
Nonstop
7:58 pmLAS
United Airlines
11:45 pmLAS
4h 22m
Nonstop
7:07 am+1IAD

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 24

Delta Air Lines
5:29 pmIAD
7h 25m
DTW · 1h 7m
9:54 pmLAS
Delta Air Lines
6:00 amLAS
7h 18m
DTW · 1h 56m
4:18 pmIAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Frontier Airlines
6:07 pmIAD
8h 1m
ATL · 1h 5m
11:08 pmLAS
Frontier Airlines
10:39 pmLAS
4h 28m
Nonstop
6:07 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Frontier Airlines
9:10 pmIAD
5h 17m
Nonstop
11:27 pmLAS
United Airlines
2:29 pmLAS
7h 11m
LAX · 1h 2m
12:40 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
8:52 pmIAD
5h 16m
Nonstop
11:08 pmLAS
United Airlines
2:29 pmLAS
7h 11m
LAX · 1h 2m
12:40 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
6:10 amIAD
8h 7m
ORD · 1h 28m
11:17 amLAS
United Airlines
11:45 pmLAS
4h 22m
Nonstop
7:07 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
8:35 amIAD
8h 32m
LAX · 1h 26m
2:07 pmLAS
United Airlines
11:45 pmLAS
4h 22m
Nonstop
7:07 am+1IAD

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)
2026-12-21 → 2026-12-24Frontier AirlinesF94277 / F94278$230.102026-10-29T01:58:01Z
2026-12-21 → 2026-12-24United AirlinesUA739 / UA284$472.002026-10-29T01:58:01Z
2026-12-21 → 2026-12-24Delta Air LinesDL5073 + DL916 / DL864 + DL5413$442.502026-10-29T01:58:01Z
2026-12-21 → 2026-12-24Frontier Airlines / United AirlinesF94277 / UA284$351.052026-10-29T01:58:01Z
2026-12-21 → 2026-12-24United AirlinesUA2209 / UA284$472.002026-10-29T01:58:01Z
2026-12-21 → 2026-12-24Frontier AirlinesF91081 + F93923 / F94278$221.252026-10-29T01:58:01Z
2026-12-21 → 2026-12-24Frontier Airlines / United AirlinesF94277 / UA2184 + UA2184$324.502026-10-29T01:58:01Z
2026-12-21 → 2026-12-24United AirlinesUA739 / UA2184 + UA2184$445.452026-10-29T01:58:01Z
2026-12-21 → 2026-12-24United AirlinesUA565 + UA2811 / UA284$445.452026-10-29T01:58:01Z
2026-12-21 → 2026-12-24United AirlinesUA1734 + UA2741 / UA284$445.452026-10-29T01:58:01Z

2026-12-21 → 2026-12-24 · $230.10

  • Frontier Airlines F94277: IAD 2026-12-21 20:51:00 → LAS 2026-12-21 23:08:00; nonstop; 317 minutes. Local airport times.
  • Frontier Airlines F94278: LAS 2026-12-24 22:39:00 → IAD 2026-12-25 06:07:00; nonstop; 268 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $472.00

  • United Airlines UA739: IAD 2026-12-21 20:06:00 → LAS 2026-12-21 22:22:00; nonstop; 316 minutes. Local airport times.
  • United Airlines UA284: LAS 2026-12-24 23:45:00 → IAD 2026-12-25 07:07:00; nonstop; 262 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $442.50

  • 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.
  • Delta Air Lines DL864 / DL5413: LAS 2026-12-24 06:00:00 → IAD 2026-12-24 16:18:00; 1 stop(s) via DTW; 438 minutes. Local airport times.
    • DL864: LAS 2026-12-24 06:00:00 → DTW 2026-12-24 12:49:00; layover at DTW: 116 minutes.
    • DL5413: DTW 2026-12-24 14:45:00 → IAD 2026-12-24 16:18:00.

2026-12-21 → 2026-12-24 · $351.05

  • Frontier Airlines F94277: IAD 2026-12-21 13:09:00 → LAS 2026-12-21 15:31:00; nonstop; 322 minutes. Local airport times.
  • United Airlines UA284: LAS 2026-12-24 23:45:00 → IAD 2026-12-25 07:07:00; nonstop; 262 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $472.00

  • United Airlines UA2209: IAD 2026-12-21 17:40:00 → LAS 2026-12-21 19:58:00; nonstop; 318 minutes. Local airport times.
  • United Airlines UA284: LAS 2026-12-24 23:45:00 → IAD 2026-12-25 07:07:00; nonstop; 262 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $221.25

  • 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.
  • Frontier Airlines F94278: LAS 2026-12-24 22:39:00 → IAD 2026-12-25 06:07:00; nonstop; 268 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $324.50

  • Frontier Airlines F94277: IAD 2026-12-21 21:10:00 → LAS 2026-12-21 23:27:00; nonstop; 317 minutes. Local airport times.
  • United Airlines UA2184 / UA2184: LAS 2026-12-24 14:29:00 → IAD 2026-12-25 00:40:00; 1 stop(s) via LAX; 431 minutes. Local airport times.
    • UA2184: LAS 2026-12-24 14:29:00 → LAX 2026-12-24 15:43:00; layover at LAX: 62 minutes.
    • UA2184: LAX 2026-12-24 16:45:00 → IAD 2026-12-25 00:40:00.

2026-12-21 → 2026-12-24 · $445.45

  • United Airlines UA739: IAD 2026-12-21 20:52:00 → LAS 2026-12-21 23:08:00; nonstop; 316 minutes. Local airport times.
  • United Airlines UA2184 / UA2184: LAS 2026-12-24 14:29:00 → IAD 2026-12-25 00:40:00; 1 stop(s) via LAX; 431 minutes. Local airport times.
    • UA2184: LAS 2026-12-24 14:29:00 → LAX 2026-12-24 15:43:00; layover at LAX: 62 minutes.
    • UA2184: LAX 2026-12-24 16:45:00 → IAD 2026-12-25 00:40:00.

2026-12-21 → 2026-12-24 · $445.45

  • 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.
  • United Airlines UA284: LAS 2026-12-24 23:45:00 → IAD 2026-12-25 07:07:00; nonstop; 262 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $445.45

  • 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.
  • United Airlines UA284: LAS 2026-12-24 23:45:00 → IAD 2026-12-25 07:07:00; nonstop; 262 minutes. Local airport times.

More dates for this route