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Dulles → Las Vegas

Dec 6, 2026 · return Dec 9, 2026

IAD → LAS1 adulteconomyRound trip

9 flight options · 3 airlines

Nonstop flights

Sun, Dec 6 – Wed, Dec 9

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

Sun, Dec 6 – Wed, Dec 9

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

Sun, Dec 6 – Wed, Dec 9

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

Sun, Dec 6 – Wed, Dec 9

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

Sun, Dec 6 – Wed, Dec 9

Frontier Airlines
6:07 pmIAD
8h 1m
ATL · 1h 5m
11:08 pmLAS
Frontier Airlines
9:47 pmLAS
4h 23m
Nonstop
5:10 am+1IAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 6 – Wed, Dec 9

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

Sun, Dec 6 – Wed, Dec 9

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

Sun, Dec 6 – Wed, Dec 9

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

Sun, Dec 6 – Wed, Dec 9

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)
2026-12-06 → 2026-12-09Frontier AirlinesF94277 / F94278$185.262026-10-29T01:58:01Z
2026-12-06 → 2026-12-09United AirlinesUA739 / UA284$380.002026-10-29T01:58:01Z
2026-12-06 → 2026-12-09Delta Air LinesDL5073 + DL916 / DL864 + DL5413$356.262026-10-29T01:58:01Z
2026-12-06 → 2026-12-09Frontier Airlines / United AirlinesF94277 / UA284$282.632026-10-29T01:58:01Z
2026-12-06 → 2026-12-09Frontier AirlinesF91081 + F93923 / F94278$178.132026-10-29T01:58:01Z
2026-12-06 → 2026-12-09Frontier Airlines / United AirlinesF94277 / UA1299 + UA1549$261.262026-10-29T01:58:01Z
2026-12-06 → 2026-12-09United AirlinesUA565 + UA2811 / UA1299 + UA1549$337.262026-10-29T01:58:01Z
2026-12-06 → 2026-12-09United AirlinesUA3453 + AC1705 / UA1299 + UA1549$337.262026-10-29T01:58:01Z
2026-12-06 → 2026-12-09United AirlinesUA739 / UA1299 + UA1549$358.632026-10-29T01:58:01Z

2026-12-06 → 2026-12-09 · $185.26

  • Frontier Airlines F94277: IAD 2026-12-06 20:51:00 → LAS 2026-12-06 23:08:00; nonstop; 317 minutes. Local airport times.
  • Frontier Airlines F94278: LAS 2026-12-09 21:47:00 → IAD 2026-12-10 05:10:00; nonstop; 263 minutes. Local airport times.

2026-12-06 → 2026-12-09 · $380.00

  • United Airlines UA739: IAD 2026-12-06 20:52:00 → LAS 2026-12-06 23:08:00; nonstop; 316 minutes. Local airport times.
  • United Airlines UA284: LAS 2026-12-09 23:45:00 → IAD 2026-12-10 07:07:00; nonstop; 262 minutes. Local airport times.

2026-12-06 → 2026-12-09 · $356.26

  • Delta Air Lines DL5073 / DL916: IAD 2026-12-06 17:29:00 → LAS 2026-12-06 21:54:00; 1 stop(s) via DTW; 445 minutes. Local airport times.
    • DL5073: IAD 2026-12-06 17:29:00 → DTW 2026-12-06 19:13:00; layover at DTW: 67 minutes.
    • DL916: DTW 2026-12-06 20:20:00 → LAS 2026-12-06 21:54:00.
  • Delta Air Lines DL864 / DL5413: LAS 2026-12-09 06:00:00 → IAD 2026-12-09 16:18:00; 1 stop(s) via DTW; 438 minutes. Local airport times.
    • DL864: LAS 2026-12-09 06:00:00 → DTW 2026-12-09 12:49:00; layover at DTW: 116 minutes.
    • DL5413: DTW 2026-12-09 14:45:00 → IAD 2026-12-09 16:18:00.

2026-12-06 → 2026-12-09 · $282.63

  • Frontier Airlines F94277: IAD 2026-12-06 13:09:00 → LAS 2026-12-06 15:31:00; nonstop; 322 minutes. Local airport times.
  • United Airlines UA284: LAS 2026-12-09 23:45:00 → IAD 2026-12-10 07:07:00; nonstop; 262 minutes. Local airport times.

2026-12-06 → 2026-12-09 · $178.13

  • Frontier Airlines F91081 / F93923: IAD 2026-12-06 18:07:00 → LAS 2026-12-06 23:08:00; 1 stop(s) via ATL; 481 minutes. Local airport times.
    • F91081: IAD 2026-12-06 18:07:00 → ATL 2026-12-06 20:27:00; layover at ATL: 65 minutes.
    • F93923: ATL 2026-12-06 21:32:00 → LAS 2026-12-06 23:08:00.
  • Frontier Airlines F94278: LAS 2026-12-09 21:47:00 → IAD 2026-12-10 05:10:00; nonstop; 263 minutes. Local airport times.

2026-12-06 → 2026-12-09 · $261.26

  • Frontier Airlines F94277: IAD 2026-12-06 21:10:00 → LAS 2026-12-06 23:27:00; nonstop; 317 minutes. Local airport times.
  • United Airlines UA1299 / UA1549: LAS 2026-12-09 00:59:00 → IAD 2026-12-09 11:28:00; 1 stop(s) via IAH; 449 minutes. Local airport times.
    • UA1299: LAS 2026-12-09 00:59:00 → IAH 2026-12-09 05:54:00; layover at IAH: 88 minutes.
    • UA1549: IAH 2026-12-09 07:22:00 → IAD 2026-12-09 11:28:00.

2026-12-06 → 2026-12-09 · $337.26

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

2026-12-06 → 2026-12-09 · $337.26

  • United Airlines UA3453 / AC1705: IAD 2026-12-06 17:18:00 → LAS 2026-12-06 22:47:00; 1 stop(s) via YYZ; 509 minutes. Local airport times.
    • UA3453: IAD 2026-12-06 17:18:00 → YYZ 2026-12-06 19:01:00; layover at YYZ: 99 minutes.
    • AC1705: YYZ 2026-12-06 20:40:00 → LAS 2026-12-06 22:47:00.
  • United Airlines UA1299 / UA1549: LAS 2026-12-09 00:59:00 → IAD 2026-12-09 11:28:00; 1 stop(s) via IAH; 449 minutes. Local airport times.
    • UA1299: LAS 2026-12-09 00:59:00 → IAH 2026-12-09 05:54:00; layover at IAH: 88 minutes.
    • UA1549: IAH 2026-12-09 07:22:00 → IAD 2026-12-09 11:28:00.

2026-12-06 → 2026-12-09 · $358.63

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

More dates for this route