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San Jose → Seattle

Dec 21, 2026 · return Dec 23, 2026

SJC → SEA1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Mon, Dec 21 – Wed, Dec 23

Southwest Airlines
8:45 pmSJC
2h 25m
Nonstop
11:10 pmSEA
Southwest Airlines
8:05 amSEA
2h 15m
Nonstop
10:20 amSJC

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Alaska Airlines
4:47 pmSJC
2h 15m
Nonstop
7:02 pmSEA
Alaska Airlines
6:35 pmSEA
2h 9m
Nonstop
8:44 pmSJC

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Delta Air Lines
7:20 amSJC
2h 32m
Nonstop
9:52 amSEA
Delta Air Lines
8:30 amSEA
2h 23m
Nonstop
10:53 amSJC

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Southwest Airlines
11:50 amSJC
2h 20m
Nonstop
2:10 pmSEA
Southwest Airlines
8:05 amSEA
2h 15m
Nonstop
10:20 amSJC

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Delta Air Lines
2:42 pmSJC
2h 24m
Nonstop
5:06 pmSEA
Delta Air Lines
8:30 amSEA
2h 23m
Nonstop
10:53 amSJC

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Wed, Dec 23

Alaska Airlines
6:04 pmSJC
2h 14m
Nonstop
8:18 pmSEA
Alaska Airlines
7:38 amSEA
5h 7m
PDX · 2h 10m
12:45 pmSJC

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Alaska Airlines
5:08 pmSJC
5h 20m
BOI · 1h 52m
10:28 pmSEA
Alaska Airlines
7:38 amSEA
5h 7m
PDX · 2h 10m
12:45 pmSJC

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Alaska Airlines
7:40 amSJC
4h 29m
PDX · 1h 24m
12:09 pmSEA
Alaska Airlines
7:38 amSEA
5h 7m
PDX · 2h 10m
12:45 pmSJC

Round-trip total · 1 adult · Taxes included

Make this trip yours

SJC ⇄ 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 → 2026-12-23Southwest AirlinesWN2612 / WN3105$348.602026-10-29T01:22:11Z
2026-12-21 → 2026-12-23Alaska AirlinesAS659 / AS1303$376.602026-10-29T01:22:11Z
2026-12-21 → 2026-12-23Delta Air LinesDL4041 / DL3736$390.602026-10-29T01:22:11Z
2026-12-21 → 2026-12-23Southwest AirlinesWN698 / WN3105$348.602026-10-29T01:22:11Z
2026-12-21 → 2026-12-23Delta Air LinesDL3789 / DL3736$390.602026-10-29T01:22:11Z
2026-12-21 → 2026-12-23Alaska AirlinesAS659 / AS2238 + AS719$404.602026-10-29T01:22:11Z
2026-12-21 → 2026-12-23Alaska AirlinesAS3413 + AS2016 / AS2238 + AS719$432.602026-10-29T01:22:11Z
2026-12-21 → 2026-12-23Alaska AirlinesAS2438 + AS3217 / AS2238 + AS719$432.602026-10-29T01:22:11Z

2026-12-21 → 2026-12-23 · $348.60

  • Southwest Airlines WN2612: SJC 2026-12-21 20:45:00 → SEA 2026-12-21 23:10:00; nonstop; 145 minutes. Local airport times.
  • Southwest Airlines WN3105: SEA 2026-12-23 08:05:00 → SJC 2026-12-23 10:20:00; nonstop; 135 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $376.60

  • Alaska Airlines AS659: SJC 2026-12-21 16:47:00 → SEA 2026-12-21 19:02:00; nonstop; 135 minutes. Local airport times.
  • Alaska Airlines AS1303: SEA 2026-12-23 18:35:00 → SJC 2026-12-23 20:44:00; nonstop; 129 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $390.60

  • Delta Air Lines DL4041: SJC 2026-12-21 07:20:00 → SEA 2026-12-21 09:52:00; nonstop; 152 minutes. Local airport times.
  • Delta Air Lines DL3736: SEA 2026-12-23 08:30:00 → SJC 2026-12-23 10:53:00; nonstop; 143 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $348.60

  • Southwest Airlines WN698: SJC 2026-12-21 11:50:00 → SEA 2026-12-21 14:10:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN3105: SEA 2026-12-23 08:05:00 → SJC 2026-12-23 10:20:00; nonstop; 135 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $390.60

  • Delta Air Lines DL3789: SJC 2026-12-21 14:42:00 → SEA 2026-12-21 17:06:00; nonstop; 144 minutes. Local airport times.
  • Delta Air Lines DL3736: SEA 2026-12-23 08:30:00 → SJC 2026-12-23 10:53:00; nonstop; 143 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $404.60

  • Alaska Airlines AS659: SJC 2026-12-21 18:04:00 → SEA 2026-12-21 20:18:00; nonstop; 134 minutes. Local airport times.
  • Alaska Airlines AS2238 / AS719: SEA 2026-12-23 07:38:00 → SJC 2026-12-23 12:45:00; 1 stop(s) via PDX; 307 minutes. Local airport times.
    • AS2238: SEA 2026-12-23 07:38:00 → PDX 2026-12-23 08:35:00; layover at PDX: 130 minutes.
    • AS719: PDX 2026-12-23 10:45:00 → SJC 2026-12-23 12:45:00.

2026-12-21 → 2026-12-23 · $432.60

  • Alaska Airlines AS3413 / AS2016: SJC 2026-12-21 17:08:00 → SEA 2026-12-21 22:28:00; 1 stop(s) via BOI; 320 minutes. Local airport times.
    • AS3413: SJC 2026-12-21 17:08:00 → BOI 2026-12-21 19:55:00; layover at BOI: 112 minutes.
    • AS2016: BOI 2026-12-21 21:47:00 → SEA 2026-12-21 22:28:00.
  • Alaska Airlines AS2238 / AS719: SEA 2026-12-23 07:38:00 → SJC 2026-12-23 12:45:00; 1 stop(s) via PDX; 307 minutes. Local airport times.
    • AS2238: SEA 2026-12-23 07:38:00 → PDX 2026-12-23 08:35:00; layover at PDX: 130 minutes.
    • AS719: PDX 2026-12-23 10:45:00 → SJC 2026-12-23 12:45:00.

2026-12-21 → 2026-12-23 · $432.60

  • Alaska Airlines AS2438 / AS3217: SJC 2026-12-21 07:40:00 → SEA 2026-12-21 12:09:00; 1 stop(s) via PDX; 269 minutes. Local airport times.
    • AS2438: SJC 2026-12-21 07:40:00 → PDX 2026-12-21 09:30:00; layover at PDX: 84 minutes.
    • AS3217: PDX 2026-12-21 10:54:00 → SEA 2026-12-21 12:09:00.
  • Alaska Airlines AS2238 / AS719: SEA 2026-12-23 07:38:00 → SJC 2026-12-23 12:45:00; 1 stop(s) via PDX; 307 minutes. Local airport times.
    • AS2238: SEA 2026-12-23 07:38:00 → PDX 2026-12-23 08:35:00; layover at PDX: 130 minutes.
    • AS719: PDX 2026-12-23 10:45:00 → SJC 2026-12-23 12:45:00.

More dates for this route