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Dulles → Las Vegas

Jan 21, 2027 · return Feb 4, 2027

IAD → LAS1 adulteconomyRound trip

10 flight options · 3 airlines

Nonstop flights

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

United Airlines
12:35 pmIAD
5h 17m
Nonstop
2:52 pmLAS
United Airlines
11:45 pmLAS
4h 22m
Nonstop
7:07 am+1IAD

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

One-stop flights

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

United Airlines
5:18 pmIAD
8h 29m
YYZ · 1h 39m
10:47 pmLAS
United Airlines
11:45 pmLAS
4h 22m
Nonstop
7:07 am+1IAD

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

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

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)
2027-01-21 → 2027-02-04Frontier AirlinesF94277 / F94278$190.132026-10-29T01:58:01Z
2027-01-21 → 2027-02-04United AirlinesUA2156 / UA284$390.002026-10-29T01:58:01Z
2027-01-21 → 2027-02-04American AirlinesAA2414 + AA624 / AA1474 + AA5249$341.252026-10-29T01:58:01Z
2027-01-21 → 2027-02-04Frontier Airlines / United AirlinesF94277 / UA284$292.632026-10-29T01:58:01Z
2027-01-21 → 2027-02-04United AirlinesUA739 / UA284$390.002026-10-29T01:58:01Z
2027-01-21 → 2027-02-04Frontier Airlines / United AirlinesF94277 / UA2184 + UA2184$270.132026-10-29T01:58:01Z
2027-01-21 → 2027-02-04United AirlinesUA739 / UA2184 + UA2184$367.502026-10-29T01:58:01Z
2027-01-21 → 2027-02-04United AirlinesUA1734 + UA2741 / UA284$368.632026-10-29T01:58:01Z
2027-01-21 → 2027-02-04United AirlinesUA3453 + AC1705 / UA284$368.632026-10-29T01:58:01Z
2027-01-21 → 2027-02-04United AirlinesUA565 + UA2811 / UA284$368.632026-10-29T01:58:01Z

2027-01-21 → 2027-02-04 · $190.13

  • Frontier Airlines F94277: IAD 2027-01-21 20:51:00 → LAS 2027-01-21 23:08:00; nonstop; 317 minutes. Local airport times.
  • Frontier Airlines F94278: LAS 2027-02-04 22:39:00 → IAD 2027-02-05 06:07:00; nonstop; 268 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $390.00

  • United Airlines UA2156: IAD 2027-01-21 12:35:00 → LAS 2027-01-21 14:52:00; nonstop; 317 minutes. Local airport times.
  • United Airlines UA284: LAS 2027-02-04 23:45:00 → IAD 2027-02-05 07:07:00; nonstop; 262 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $341.25

  • American Airlines AA2414 / AA624: IAD 2027-01-21 17:50:00 → LAS 2027-01-21 23:25:00; 1 stop(s) via DFW; 515 minutes. Local airport times.
    • AA2414: IAD 2027-01-21 17:50:00 → DFW 2027-01-21 20:30:00; layover at DFW: 120 minutes.
    • AA624: DFW 2027-01-21 22:30:00 → LAS 2027-01-21 23:25:00.
  • American Airlines AA1474 / AA5249: LAS 2027-02-04 23:01:00 → IAD 2027-02-05 08:41:00; 1 stop(s) via CLT; 400 minutes. Local airport times.
    • AA1474: LAS 2027-02-04 23:01:00 → CLT 2027-02-05 06:08:00; layover at CLT: 62 minutes.
    • AA5249: CLT 2027-02-05 07:10:00 → IAD 2027-02-05 08:41:00.

2027-01-21 → 2027-02-04 · $292.63

  • Frontier Airlines F94277: IAD 2027-01-21 13:09:00 → LAS 2027-01-21 15:31:00; nonstop; 322 minutes. Local airport times.
  • United Airlines UA284: LAS 2027-02-04 23:45:00 → IAD 2027-02-05 07:07:00; nonstop; 262 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $390.00

  • United Airlines UA739: IAD 2027-01-21 20:06:00 → LAS 2027-01-21 22:22:00; nonstop; 316 minutes. Local airport times.
  • United Airlines UA284: LAS 2027-02-04 23:45:00 → IAD 2027-02-05 07:07:00; nonstop; 262 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $270.13

  • Frontier Airlines F94277: IAD 2027-01-21 21:10:00 → LAS 2027-01-21 23:27:00; nonstop; 317 minutes. Local airport times.
  • United Airlines UA2184 / UA2184: LAS 2027-02-04 14:29:00 → IAD 2027-02-05 00:40:00; 1 stop(s) via LAX; 431 minutes. Local airport times.
    • UA2184: LAS 2027-02-04 14:29:00 → LAX 2027-02-04 15:43:00; layover at LAX: 62 minutes.
    • UA2184: LAX 2027-02-04 16:45:00 → IAD 2027-02-05 00:40:00.

2027-01-21 → 2027-02-04 · $367.50

  • United Airlines UA739: IAD 2027-01-21 20:52:00 → LAS 2027-01-21 23:08:00; nonstop; 316 minutes. Local airport times.
  • United Airlines UA2184 / UA2184: LAS 2027-02-04 14:29:00 → IAD 2027-02-05 00:40:00; 1 stop(s) via LAX; 431 minutes. Local airport times.
    • UA2184: LAS 2027-02-04 14:29:00 → LAX 2027-02-04 15:43:00; layover at LAX: 62 minutes.
    • UA2184: LAX 2027-02-04 16:45:00 → IAD 2027-02-05 00:40:00.

2027-01-21 → 2027-02-04 · $368.63

  • United Airlines UA1734 / UA2741: IAD 2027-01-21 08:35:00 → LAS 2027-01-21 14:07:00; 1 stop(s) via LAX; 512 minutes. Local airport times.
    • UA1734: IAD 2027-01-21 08:35:00 → LAX 2027-01-21 11:24:00; layover at LAX: 86 minutes.
    • UA2741: LAX 2027-01-21 12:50:00 → LAS 2027-01-21 14:07:00.
  • United Airlines UA284: LAS 2027-02-04 23:45:00 → IAD 2027-02-05 07:07:00; nonstop; 262 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $368.63

  • United Airlines UA3453 / AC1705: IAD 2027-01-21 17:18:00 → LAS 2027-01-21 22:47:00; 1 stop(s) via YYZ; 509 minutes. Local airport times.
    • UA3453: IAD 2027-01-21 17:18:00 → YYZ 2027-01-21 19:01:00; layover at YYZ: 99 minutes.
    • AC1705: YYZ 2027-01-21 20:40:00 → LAS 2027-01-21 22:47:00.
  • United Airlines UA284: LAS 2027-02-04 23:45:00 → IAD 2027-02-05 07:07:00; nonstop; 262 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $368.63

  • United Airlines UA565 / UA2811: IAD 2027-01-21 06:10:00 → LAS 2027-01-21 11:17:00; 1 stop(s) via ORD; 487 minutes. Local airport times.
    • UA565: IAD 2027-01-21 06:10:00 → ORD 2027-01-21 07:32:00; layover at ORD: 88 minutes.
    • UA2811: ORD 2027-01-21 09:00:00 → LAS 2027-01-21 11:17:00.
  • United Airlines UA284: LAS 2027-02-04 23:45:00 → IAD 2027-02-05 07:07:00; nonstop; 262 minutes. Local airport times.

More dates for this route