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Las Vegas → Dulles

Dec 16, 2026 · return Dec 30, 2026

LAS → IAD1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Wed, Dec 16 – Wed, Dec 30

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Wed, Dec 30

United Airlines
7:50 amLAS
4h 28m
Nonstop
3:18 pmIAD
United Airlines
8:06 pmIAD
5h 16m
Nonstop
10:22 pmLAS

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Wed, Dec 30

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

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 16 – Wed, Dec 30

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Wed, Dec 30

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Wed, Dec 30

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Wed, Dec 30

United Airlines
9:46 amLAS
6h 50m
DEN · 1h 33m
7:36 pmIAD
United Airlines
8:06 pmIAD
5h 16m
Nonstop
10:22 pmLAS

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Wed, Dec 30

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Wed, Dec 30

United Airlines
2:29 pmLAS
7h 11m
LAX · 1h 2m
12:40 am+1IAD
United Airlines
8:06 pmIAD
5h 16m
Nonstop
10:22 pmLAS

Round-trip total · 1 adult · Taxes included

Make this trip yours

LAS ⇄ IAD

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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2026-12-16 → 2026-12-30Frontier AirlinesF94278 / F94277$217.382026-10-29T02:01:27Z
2026-12-16 → 2026-12-30United AirlinesUA1140 / UA739$470.002026-10-29T02:01:27Z
2026-12-16 → 2026-12-30American AirlinesAA1474 + AA5249 / AA2414 + AA624$423.002026-10-29T02:01:27Z
2026-12-16 → 2026-12-30Delta Air LinesDL864 + DL5413 / DL5073 + DL916$458.252026-10-29T02:01:27Z
2026-12-16 → 2026-12-30United AirlinesUA284 / UA739$470.002026-10-29T02:01:27Z
2026-12-16 → 2026-12-30Frontier AirlinesF94278 / F91081 + F93923$237.632026-10-29T02:01:27Z
2026-12-16 → 2026-12-30United AirlinesUA1315 + UA347 / UA739$455.002026-10-29T02:01:27Z
2026-12-16 → 2026-12-30United AirlinesUA1299 + UA1549 / UA739$455.002026-10-29T02:01:27Z
2026-12-16 → 2026-12-30United AirlinesUA2184 + UA2184 / UA739$455.002026-10-29T02:01:27Z

2026-12-16 → 2026-12-30 · $217.38

  • Frontier Airlines F94278: LAS 2026-12-16 21:47:00 → IAD 2026-12-17 05:10:00; nonstop; 263 minutes. Local airport times.
  • Frontier Airlines F94277: IAD 2026-12-30 20:51:00 → LAS 2026-12-30 23:08:00; nonstop; 317 minutes. Local airport times.

2026-12-16 → 2026-12-30 · $470.00

  • United Airlines UA1140: LAS 2026-12-16 07:50:00 → IAD 2026-12-16 15:18:00; nonstop; 268 minutes. Local airport times.
  • United Airlines UA739: IAD 2026-12-30 20:06:00 → LAS 2026-12-30 22:22:00; nonstop; 316 minutes. Local airport times.

2026-12-16 → 2026-12-30 · $423.00

  • American Airlines AA1474 / AA5249: LAS 2026-12-16 23:01:00 → IAD 2026-12-17 08:41:00; 1 stop(s) via CLT; 400 minutes. Local airport times.
    • AA1474: LAS 2026-12-16 23:01:00 → CLT 2026-12-17 06:08:00; layover at CLT: 62 minutes.
    • AA5249: CLT 2026-12-17 07:10:00 → IAD 2026-12-17 08:41:00.
  • American Airlines AA2414 / AA624: IAD 2026-12-30 17:50:00 → LAS 2026-12-30 23:25:00; 1 stop(s) via DFW; 515 minutes. Local airport times.
    • AA2414: IAD 2026-12-30 17:50:00 → DFW 2026-12-30 20:30:00; layover at DFW: 120 minutes.
    • AA624: DFW 2026-12-30 22:30:00 → LAS 2026-12-30 23:25:00.

2026-12-16 → 2026-12-30 · $458.25

  • Delta Air Lines DL864 / DL5413: LAS 2026-12-16 06:00:00 → IAD 2026-12-16 16:18:00; 1 stop(s) via DTW; 438 minutes. Local airport times.
    • DL864: LAS 2026-12-16 06:00:00 → DTW 2026-12-16 12:49:00; layover at DTW: 116 minutes.
    • DL5413: DTW 2026-12-16 14:45:00 → IAD 2026-12-16 16:18:00.
  • Delta Air Lines DL5073 / DL916: IAD 2026-12-30 17:29:00 → LAS 2026-12-30 21:54:00; 1 stop(s) via DTW; 445 minutes. Local airport times.
    • DL5073: IAD 2026-12-30 17:29:00 → DTW 2026-12-30 19:13:00; layover at DTW: 67 minutes.
    • DL916: DTW 2026-12-30 20:20:00 → LAS 2026-12-30 21:54:00.

2026-12-16 → 2026-12-30 · $470.00

  • United Airlines UA284: LAS 2026-12-16 23:45:00 → IAD 2026-12-17 07:07:00; nonstop; 262 minutes. Local airport times.
  • United Airlines UA739: IAD 2026-12-30 20:06:00 → LAS 2026-12-30 22:22:00; nonstop; 316 minutes. Local airport times.

2026-12-16 → 2026-12-30 · $237.63

  • Frontier Airlines F94278: LAS 2026-12-16 22:39:00 → IAD 2026-12-17 06:07:00; nonstop; 268 minutes. Local airport times.
  • Frontier Airlines F91081 / F93923: IAD 2026-12-30 18:07:00 → LAS 2026-12-30 23:08:00; 1 stop(s) via ATL; 481 minutes. Local airport times.
    • F91081: IAD 2026-12-30 18:07:00 → ATL 2026-12-30 20:27:00; layover at ATL: 65 minutes.
    • F93923: ATL 2026-12-30 21:32:00 → LAS 2026-12-30 23:08:00.

2026-12-16 → 2026-12-30 · $455.00

  • United Airlines UA1315 / UA347: LAS 2026-12-16 09:46:00 → IAD 2026-12-16 19:36:00; 1 stop(s) via DEN; 410 minutes. Local airport times.
    • UA1315: LAS 2026-12-16 09:46:00 → DEN 2026-12-16 12:42:00; layover at DEN: 93 minutes.
    • UA347: DEN 2026-12-16 14:15:00 → IAD 2026-12-16 19:36:00.
  • United Airlines UA739: IAD 2026-12-30 20:06:00 → LAS 2026-12-30 22:22:00; nonstop; 316 minutes. Local airport times.

2026-12-16 → 2026-12-30 · $455.00

  • United Airlines UA1299 / UA1549: LAS 2026-12-16 00:59:00 → IAD 2026-12-16 11:28:00; 1 stop(s) via IAH; 449 minutes. Local airport times.
    • UA1299: LAS 2026-12-16 00:59:00 → IAH 2026-12-16 05:54:00; layover at IAH: 88 minutes.
    • UA1549: IAH 2026-12-16 07:22:00 → IAD 2026-12-16 11:28:00.
  • United Airlines UA739: IAD 2026-12-30 20:06:00 → LAS 2026-12-30 22:22:00; nonstop; 316 minutes. Local airport times.

2026-12-16 → 2026-12-30 · $455.00

  • United Airlines UA2184 / UA2184: LAS 2026-12-16 14:29:00 → IAD 2026-12-17 00:40:00; 1 stop(s) via LAX; 431 minutes. Local airport times.
    • UA2184: LAS 2026-12-16 14:29:00 → LAX 2026-12-16 15:43:00; layover at LAX: 62 minutes.
    • UA2184: LAX 2026-12-16 16:45:00 → IAD 2026-12-17 00:40:00.
  • United Airlines UA739: IAD 2026-12-30 20:06:00 → LAS 2026-12-30 22:22:00; nonstop; 316 minutes. Local airport times.

More dates for this route