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Seattle → San Jose

Dec 21, 2026 · return Dec 28, 2026

SEA → SJC1 adulteconomyRound trip

7 flight options · 3 airlines

Nonstop flights

Mon, Dec 21 – Mon, Dec 28

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

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Alaska Airlines
8:27 pmSEA
2h 13m
Nonstop
10:40 pmSJC
Alaska Airlines
6:04 pmSJC
2h 14m
Nonstop
8:18 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

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

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
12:35 pmSEA
2h 20m
Nonstop
2:55 pmSJC
Southwest Airlines
11:50 amSJC
2h 20m
Nonstop
2:10 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Delta Air Lines
7:50 pmSEA
2h 22m
Nonstop
10:12 pmSJC
Delta Air Lines
2:42 pmSJC
2h 24m
Nonstop
5:06 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Dec 28

Alaska Airlines
6:35 pmSEA
2h 9m
Nonstop
8:44 pmSJC
Alaska Airlines
5:08 pmSJC
5h 20m
BOI · 1h 52m
10:28 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

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

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ SJC

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 → 2026-12-28Southwest AirlinesWN3105 / WN698$299.632026-10-29T01:16:43Z
2026-12-21 → 2026-12-28Alaska AirlinesAS1303 / AS659$312.382026-10-29T01:16:43Z
2026-12-21 → 2026-12-28Delta Air LinesDL3736 / DL3789$325.132026-10-29T01:16:43Z
2026-12-21 → 2026-12-28Southwest AirlinesWN2179 / WN698$299.632026-10-29T01:16:43Z
2026-12-21 → 2026-12-28Delta Air LinesDL3956 / DL3789$325.132026-10-29T01:16:43Z
2026-12-21 → 2026-12-28Alaska AirlinesAS1303 / AS3413 + AS2016$337.382026-10-29T01:16:43Z
2026-12-21 → 2026-12-28Alaska AirlinesAS2238 + AS719 / AS3413 + AS2016$363.382026-10-29T01:16:43Z

2026-12-21 → 2026-12-28 · $299.63

  • Southwest Airlines WN3105: SEA 2026-12-21 08:05:00 → SJC 2026-12-21 10:20:00; nonstop; 135 minutes. Local airport times.
  • Southwest Airlines WN698: SJC 2026-12-28 11:50:00 → SEA 2026-12-28 14:10:00; nonstop; 140 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $312.38

  • Alaska Airlines AS1303: SEA 2026-12-21 20:27:00 → SJC 2026-12-21 22:40:00; nonstop; 133 minutes. Local airport times.
  • Alaska Airlines AS659: SJC 2026-12-28 18:04:00 → SEA 2026-12-28 20:18:00; nonstop; 134 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $325.13

  • Delta Air Lines DL3736: SEA 2026-12-21 08:30:00 → SJC 2026-12-21 10:53:00; nonstop; 143 minutes. Local airport times.
  • Delta Air Lines DL3789: SJC 2026-12-28 14:42:00 → SEA 2026-12-28 17:06:00; nonstop; 144 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $299.63

  • Southwest Airlines WN2179: SEA 2026-12-21 12:35:00 → SJC 2026-12-21 14:55:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN698: SJC 2026-12-28 11:50:00 → SEA 2026-12-28 14:10:00; nonstop; 140 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $325.13

  • Delta Air Lines DL3956: SEA 2026-12-21 19:50:00 → SJC 2026-12-21 22:12:00; nonstop; 142 minutes. Local airport times.
  • Delta Air Lines DL3789: SJC 2026-12-28 14:42:00 → SEA 2026-12-28 17:06:00; nonstop; 144 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $337.38

  • Alaska Airlines AS1303: SEA 2026-12-21 18:35:00 → SJC 2026-12-21 20:44:00; nonstop; 129 minutes. Local airport times.
  • Alaska Airlines AS3413 / AS2016: SJC 2026-12-28 17:08:00 → SEA 2026-12-28 22:28:00; 1 stop(s) via BOI; 320 minutes. Local airport times.
    • AS3413: SJC 2026-12-28 17:08:00 → BOI 2026-12-28 19:55:00; layover at BOI: 112 minutes.
    • AS2016: BOI 2026-12-28 21:47:00 → SEA 2026-12-28 22:28:00.

2026-12-21 → 2026-12-28 · $363.38

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

More dates for this route