Alaska Airlines Flights from Seattle to San Jose

Lowest fares from Seattle to San Jose

Aug 2026
From$119*
Seen: 18 hours ago
Flight Type One Way|Saver
Sep 2026
From$79*
Seen: 8 hours ago
Flight Type One Way|Saver
Oct 2026
From$79*
Seen: 18 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $79
cmp-daily-histogram-bars-legend-max-price-aria-label $679
Displaying fares for August-2026
  • SEA–SJC, Aug 9, 2026: From $679
    09

    Su

    AUG

  • SEA–SJC, Aug 10, 2026: From $489
    10

    Mo

  • SEA–SJC, Aug 11, 2026: From $419
    11

    Tu

  • SEA–SJC, Aug 12, 2026: From $419
    12

    We

  • SEA–SJC, Aug 13, 2026: From $419
    13

    Th

  • SEA–SJC, Aug 14, 2026: From $419
    14

    Fr

  • SEA–SJC, Aug 15, 2026: From $329
    15

    Sa

  • SEA–SJC, Aug 16, 2026: From $319
    16

    Su

  • SEA–SJC, Aug 17, 2026: From $319
    17

    Mo

  • SEA–SJC, Aug 18, 2026: From $319
    18

    Tu

  • SEA–SJC, Aug 19, 2026: From $319
    19

    We

  • SEA–SJC, Aug 20, 2026: From $329
    20

    Th

  • SEA–SJC, Aug 21, 2026: From $329
    21

    Fr

  • SEA–SJC, Aug 22, 2026: From $217
    22

    Sa

  • SEA–SJC, Aug 23, 2026: From $217
    23

    Su

  • SEA–SJC, Aug 24, 2026: From $217
    24

    Mo

  • SEA–SJC, Aug 25, 2026: From $217
    25

    Tu

  • SEA–SJC, Aug 26, 2026: From $217
    26

    We

  • SEA–SJC, Aug 27, 2026: From $217
    27

    Th

  • SEA–SJC, Aug 28, 2026: From $145
    28

    Fr

  • SEA–SJC, Aug 29, 2026: From $119
    29

    Sa

  • SEA–SJC, Aug 30, 2026: From $149
    30

    Su

  • SEA–SJC, Aug 31, 2026: From $149
    31

    Mo

  • SEA–SJC, Sep 1, 2026: From $119
    01

    Tu

    SEP

  • SEA–SJC, Sep 2, 2026: From $149
    02

    We

  • SEA–SJC, Sep 3, 2026: From $149
    03

    Th

  • SEA–SJC, Sep 4, 2026: From $145
    04

    Fr

  • SEA–SJC, Sep 5, 2026: From $79
    05

    Sa

  • SEA–SJC, Sep 6, 2026: From $79
    06

    Su

  • SEA–SJC, Sep 7, 2026: From $274
    07

    Mo

  • SEA–SJC, Sep 8, 2026: From $159
    08

    Tu

    • Range$79-$679

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Seattle to San Jose.*

    $
    keyboard_arrow_down
    One-way low-fare flights Seattle to San Jose.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Oct 30, 2026

    From

    $79

    Seen: 18 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Nov 7, 2026

    From

    $119

    Seen: 18 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Nov 9, 2026

    From

    $119

    Seen: 18 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Nov 14, 2026

    From

    $119

    Seen: 18 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Nov 17, 2026

    From

    $119

    Seen: 18 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Sep 5, 2026

    From

    $79

    Seen: 8 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Sep 11, 2026

    From

    $79

    Seen: 9 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Sep 6, 2026

    From

    $79

    Seen: 8 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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