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Las Vegas → Seattle

Dec 21, 2026 · return Dec 31, 2026

LAS → SEA1 adulteconomyRound trip

15 flight options · 6 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
2:11 pmLAS
2h 59m
Nonstop
5:10 pmSEA
Frontier Airlines
11:53 amSEA
2h 39m
Nonstop
2:32 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
10:50 amLAS
2h 55m
Nonstop
1:45 pmSEA
Southwest Airlines
2:05 pmSEA
2h 25m
Nonstop
4:30 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Alaska Airlines
8:54 pmLAS
2h 50m
Nonstop
11:44 pmSEA
Alaska Airlines
4:58 pmSEA
2h 30m
Nonstop
7:28 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

American Airlines
9:00 amLAS
2h 50m
Nonstop
11:50 amSEA
Alaska Airlines
4:58 pmSEA
2h 30m
Nonstop
7:28 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
6:00 amLAS
2h 51m
Nonstop
8:51 amSEA
Delta Air Lines
8:06 pmSEA
2h 39m
Nonstop
10:45 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
9:39 amLAS
2h 58m
Nonstop
12:37 pmSEA
Frontier Airlines
9:07 pmSEA
2h 46m
Nonstop
11:53 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
11:05 pmLAS
2h 45m
Nonstop
1:50 am+1SEA
Southwest Airlines
2:05 pmSEA
2h 25m
Nonstop
4:30 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Alaska Airlines
7:00 amLAS
2h 50m
Nonstop
9:50 amSEA
Alaska Airlines
4:58 pmSEA
2h 30m
Nonstop
7:28 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
7:18 pmLAS
2h 57m
Nonstop
10:15 pmSEA
Delta Air Lines
8:06 pmSEA
2h 39m
Nonstop
10:45 pmLAS

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 31

KLM Royal Dutch Airlines
10:00 amLAS
4h 55m
SLC · 1h 13m
2:55 pmSEA
Alaska Airlines
4:58 pmSEA
2h 30m
Nonstop
7:28 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
5:10 pmLAS
5h 10m
SMF · 1h 30m
10:20 pmSEA
Southwest Airlines
2:05 pmSEA
2h 25m
Nonstop
4:30 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
9:00 amLAS
5h 10m
SJC · 1h 15m
2:10 pmSEA
Southwest Airlines
2:05 pmSEA
2h 25m
Nonstop
4:30 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Alaska Airlines
7:00 amLAS
5h 9m
PDX · 1h 28m
12:09 pmSEA
Alaska Airlines
4:58 pmSEA
2h 30m
Nonstop
7:28 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Alaska Airlines
3:48 pmLAS
5h 15m
SFO · 1h 17m
9:03 pmSEA
Alaska Airlines
4:58 pmSEA
2h 30m
Nonstop
7:28 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Alaska Airlines
2:58 pmLAS
5h 29m
SAN · 1h 1m
8:27 pmSEA
Alaska Airlines
4:58 pmSEA
2h 30m
Nonstop
7:28 pmLAS

Round-trip total · 1 adult · Taxes included

Make this trip yours

LAS ⇄ SEA

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 → 2026-12-31Frontier AirlinesF94203 / F92408$207.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Southwest AirlinesWN948 / WN424$319.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Alaska AirlinesAS553 / AS552$347.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31American Airlines / Alaska AirlinesAA2281 / AS552$361.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Delta Air LinesDL2844 / DL2949$375.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31KLM Royal Dutch Airlines / Alaska AirlinesKL6255 + DL2921 / AS552$417.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Frontier AirlinesF94203 / F94204$207.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Southwest AirlinesWN128 / WN424$319.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Alaska AirlinesAS701 / AS552$347.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Delta Air LinesDL2955 / DL2949$375.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Southwest AirlinesWN1457 + WN4889 / WN424$347.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Southwest AirlinesWN2088 + WN698 / WN424$347.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Alaska AirlinesAS711 + AS3217 / AS552$375.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Alaska AirlinesAS634 + AS591 / AS552$375.202026-10-29T01:24:32Z
2026-12-21 → 2026-12-31Alaska AirlinesAS2024 + AS685 / AS552$375.202026-10-29T01:24:32Z

2026-12-21 → 2026-12-31 · $207.20

  • Frontier Airlines F94203: LAS 2026-12-21 14:11:00 → SEA 2026-12-21 17:10:00; nonstop; 179 minutes. Local airport times.
  • Frontier Airlines F92408: SEA 2026-12-31 11:53:00 → LAS 2026-12-31 14:32:00; nonstop; 159 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $319.20

  • Southwest Airlines WN948: LAS 2026-12-21 10:50:00 → SEA 2026-12-21 13:45:00; nonstop; 175 minutes. Local airport times.
  • Southwest Airlines WN424: SEA 2026-12-31 14:05:00 → LAS 2026-12-31 16:30:00; nonstop; 145 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $347.20

  • Alaska Airlines AS553: LAS 2026-12-21 20:54:00 → SEA 2026-12-21 23:44:00; nonstop; 170 minutes. Local airport times.
  • Alaska Airlines AS552: SEA 2026-12-31 16:58:00 → LAS 2026-12-31 19:28:00; nonstop; 150 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $361.20

  • American Airlines AA2281: LAS 2026-12-21 09:00:00 → SEA 2026-12-21 11:50:00; nonstop; 170 minutes. Local airport times.
  • Alaska Airlines AS552: SEA 2026-12-31 16:58:00 → LAS 2026-12-31 19:28:00; nonstop; 150 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $375.20

  • Delta Air Lines DL2844: LAS 2026-12-21 06:00:00 → SEA 2026-12-21 08:51:00; nonstop; 171 minutes. Local airport times.
  • Delta Air Lines DL2949: SEA 2026-12-31 20:06:00 → LAS 2026-12-31 22:45:00; nonstop; 159 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $417.20

  • KLM Royal Dutch Airlines KL6255 / DL2921: LAS 2026-12-21 10:00:00 → SEA 2026-12-21 14:55:00; 1 stop(s) via SLC; 295 minutes. Local airport times.
    • KL6255: LAS 2026-12-21 10:00:00 → SLC 2026-12-21 12:27:00; layover at SLC: 73 minutes.
    • DL2921: SLC 2026-12-21 13:40:00 → SEA 2026-12-21 14:55:00.
  • Alaska Airlines AS552: SEA 2026-12-31 16:58:00 → LAS 2026-12-31 19:28:00; nonstop; 150 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $207.20

  • Frontier Airlines F94203: LAS 2026-12-21 09:39:00 → SEA 2026-12-21 12:37:00; nonstop; 178 minutes. Local airport times.
  • Frontier Airlines F94204: SEA 2026-12-31 21:07:00 → LAS 2026-12-31 23:53:00; nonstop; 166 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $319.20

  • Southwest Airlines WN128: LAS 2026-12-21 23:05:00 → SEA 2026-12-22 01:50:00; nonstop; 165 minutes. Local airport times.
  • Southwest Airlines WN424: SEA 2026-12-31 14:05:00 → LAS 2026-12-31 16:30:00; nonstop; 145 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $347.20

  • Alaska Airlines AS701: LAS 2026-12-21 07:00:00 → SEA 2026-12-21 09:50:00; nonstop; 170 minutes. Local airport times.
  • Alaska Airlines AS552: SEA 2026-12-31 16:58:00 → LAS 2026-12-31 19:28:00; nonstop; 150 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $375.20

  • Delta Air Lines DL2955: LAS 2026-12-21 19:18:00 → SEA 2026-12-21 22:15:00; nonstop; 177 minutes. Local airport times.
  • Delta Air Lines DL2949: SEA 2026-12-31 20:06:00 → LAS 2026-12-31 22:45:00; nonstop; 159 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $347.20

  • Southwest Airlines WN1457 / WN4889: LAS 2026-12-21 17:10:00 → SEA 2026-12-21 22:20:00; 1 stop(s) via SMF; 310 minutes. Local airport times.
    • WN1457: LAS 2026-12-21 17:10:00 → SMF 2026-12-21 18:45:00; layover at SMF: 90 minutes.
    • WN4889: SMF 2026-12-21 20:15:00 → SEA 2026-12-21 22:20:00.
  • Southwest Airlines WN424: SEA 2026-12-31 14:05:00 → LAS 2026-12-31 16:30:00; nonstop; 145 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $347.20

  • Southwest Airlines WN2088 / WN698: LAS 2026-12-21 09:00:00 → SEA 2026-12-21 14:10:00; 1 stop(s) via SJC; 310 minutes. Local airport times.
    • WN2088: LAS 2026-12-21 09:00:00 → SJC 2026-12-21 10:35:00; layover at SJC: 75 minutes.
    • WN698: SJC 2026-12-21 11:50:00 → SEA 2026-12-21 14:10:00.
  • Southwest Airlines WN424: SEA 2026-12-31 14:05:00 → LAS 2026-12-31 16:30:00; nonstop; 145 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $375.20

  • Alaska Airlines AS711 / AS3217: LAS 2026-12-21 07:00:00 → SEA 2026-12-21 12:09:00; 1 stop(s) via PDX; 309 minutes. Local airport times.
    • AS711: LAS 2026-12-21 07:00:00 → PDX 2026-12-21 09:26:00; layover at PDX: 88 minutes.
    • AS3217: PDX 2026-12-21 10:54:00 → SEA 2026-12-21 12:09:00.
  • Alaska Airlines AS552: SEA 2026-12-31 16:58:00 → LAS 2026-12-31 19:28:00; nonstop; 150 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $375.20

  • Alaska Airlines AS634 / AS591: LAS 2026-12-21 15:48:00 → SEA 2026-12-21 21:03:00; 1 stop(s) via SFO; 315 minutes. Local airport times.
    • AS634: LAS 2026-12-21 15:48:00 → SFO 2026-12-21 17:31:00; layover at SFO: 77 minutes.
    • AS591: SFO 2026-12-21 18:48:00 → SEA 2026-12-21 21:03:00.
  • Alaska Airlines AS552: SEA 2026-12-31 16:58:00 → LAS 2026-12-31 19:28:00; nonstop; 150 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $375.20

  • Alaska Airlines AS2024 / AS685: LAS 2026-12-21 14:58:00 → SEA 2026-12-21 20:27:00; 1 stop(s) via SAN; 329 minutes. Local airport times.
    • AS2024: LAS 2026-12-21 14:58:00 → SAN 2026-12-21 16:19:00; layover at SAN: 61 minutes.
    • AS685: SAN 2026-12-21 17:20:00 → SEA 2026-12-21 20:27:00.
  • Alaska Airlines AS552: SEA 2026-12-31 16:58:00 → LAS 2026-12-31 19:28:00; nonstop; 150 minutes. Local airport times.

More dates for this route