Flights from Seattle (SEA) to San Jose (SJC) on Alaska Airlines

Lowest fares from Seattle to San Jose

Nov 2026
From$257*
Seen: 19 hours ago
Flight Type One Way|Saver
Dec 2026
From$85*
Seen: 19 hours ago
Flight Type One Way|Saver
Jan 2027
From$85*
Seen: 19 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $85
cmp-daily-histogram-bars-legend-max-price-aria-label $554
Displaying fares for November-2026
  • SEA–SJC, Nov 14, 2026: From $409
    14

    Sa

    NOV

  • SEA–SJC, Nov 15, 2026: From $409
    15

    Su

  • SEA–SJC, Nov 16, 2026: From $409
    16

    Mo

  • SEA–SJC, Nov 17, 2026: From $409
    17

    Tu

  • SEA–SJC, Nov 18, 2026: From $409
    18

    We

  • SEA–SJC, Nov 19, 2026: From $339
    19

    Th

  • SEA–SJC, Nov 20, 2026: From $339
    20

    Fr

  • SEA–SJC, Nov 21, 2026: From $339
    21

    Sa

  • SEA–SJC, Nov 22, 2026: From $339
    22

    Su

  • SEA–SJC, Nov 23, 2026: From $339
    23

    Mo

  • SEA–SJC, Nov 24, 2026: From $339
    24

    Tu

  • SEA–SJC, Nov 25, 2026: From $339
    25

    We

  • SEA–SJC, Nov 26, 2026: From $257
    26

    Th

  • SEA–SJC, Nov 27, 2026: From $257
    27

    Fr

  • SEA–SJC, Nov 28, 2026: From $404
    28

    Sa

  • SEA–SJC, Nov 29, 2026: From $554
    29

    Su

  • SEA–SJC, Nov 30, 2026: From $274
    30

    Mo

  • SEA–SJC, Dec 1, 2026: From $257
    01

    Tu

    DEC

  • SEA–SJC, Dec 2, 2026: From $257
    02

    We

  • SEA–SJC, Dec 3, 2026: From $90
    03

    Th

  • SEA–SJC, Dec 4, 2026: From $125
    04

    Fr

  • SEA–SJC, Dec 5, 2026: From $90
    05

    Sa

  • SEA–SJC, Dec 6, 2026: From $179
    06

    Su

  • SEA–SJC, Dec 7, 2026: From $105
    07

    Mo

  • SEA–SJC, Dec 8, 2026: From $85
    08

    Tu

  • SEA–SJC, Dec 9, 2026: From $85
    09

    We

  • SEA–SJC, Dec 10, 2026: From $105
    10

    Th

  • SEA–SJC, Dec 11, 2026: From $125
    11

    Fr

  • SEA–SJC, Dec 12, 2026: From $90
    12

    Sa

  • SEA–SJC, Dec 13, 2026: From $139
    13

    Su

    • Range$85-$554

    *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: Dec 8, 2026

    From

    $85

    Seen: 19 hours ago

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

    From

    $85

    Seen: 19 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Dec 19, 2026

    From

    $85

    Seen: 19 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Dec 22, 2026

    From

    $85

    Seen: 19 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Dec 30, 2026

    From

    $85

    Seen: 19 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Jan 12, 2027

    From

    $85

    Seen: 19 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Feb 3, 2027

    From

    $85

    Seen: 19 hours ago

    Seattle (SEA)San Jose (SJC)One-way
    |
    Saver    		Depart: Feb 10, 2027

    From

    $85

    Seen: 19 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.

    Frequently Asked Questions on flights from Seattle (SEA) to San Jose (SJC)

    When is the best time to book a flight from Seattle to San Jose?

    Want to find the lowest fares by day and time flying from Seattle to San Jose on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.

    Can I earn points on my flight to San Jose?

    Yes, with Atmosâ„¢ Rewards you can earn points on flights to 1000+ destinations worldwide through the growing network of Alaska and Hawaiian Airlines. Not an Atmosâ„¢ Rewards member yet? Learn more and join today.

    Can I rent a car when I arrive at Norman Y. Mineta San José International Airport?

    Yes, you can rent a car at Norman Y. Mineta San José International Airport. Check availability and book now

    Where can I find the status of my flight to San Jose?

    You can check the status of your upcoming Alaska Airlines flight on our flight schedule page.

    Where can I find answers to questions about flying with Alaska Airlines?

    Visit the Alaska Airlines Help Center to quickly browse our help pages by category to find the information you need.

    Can I change or cancel my Alaska Airlines flight to San Jose?

    Yes, you can review, modify, or cancel a reservation from our Manage Your Reservation tool. You can learn more about our policy for changing or cancelling a reservation here. 

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