Flights from Seattle (SEA) to Santa Rosa (STS) on Alaska Airlines

Lowest fares from Seattle to Santa Rosa

Oct 2026
From$209*
Seen: 8 hours ago
Flight Type One Way|Saver
Nov 2026
From$132*
Seen: 8 hours ago
Flight Type One Way|Saver
Dec 2026
From$132*
Seen: 8 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $149
cmp-daily-histogram-bars-legend-max-price-aria-label $409
Displaying fares for October-2026
  • SEA–STS, Oct 10, 2026: From $409
    10

    Sa

    OCT

  • SEA–STS, Oct 11, 2026: From $409
    11

    Su

  • SEA–STS, Oct 12, 2026: From $409
    12

    Mo

  • SEA–STS, Oct 13, 2026: From $409
    13

    Tu

  • SEA–STS, Oct 14, 2026: From $409
    14

    We

  • SEA–STS, Oct 15, 2026: From $409
    15

    Th

  • SEA–STS, Oct 16, 2026: From $409
    16

    Fr

  • SEA–STS, Oct 17, 2026: From $354
    17

    Sa

  • SEA–STS, Oct 18, 2026: From $354
    18

    Su

  • SEA–STS, Oct 19, 2026: From $354
    19

    Mo

  • SEA–STS, Oct 20, 2026: From $354
    20

    Tu

  • SEA–STS, Oct 21, 2026: From $354
    21

    We

  • SEA–STS, Oct 22, 2026: From $354
    22

    Th

  • SEA–STS, Oct 23, 2026: From $354
    23

    Fr

  • SEA–STS, Oct 24, 2026: From $274
    24

    Sa

  • SEA–STS, Oct 25, 2026: From $274
    25

    Su

  • SEA–STS, Oct 26, 2026: From $274
    26

    Mo

  • SEA–STS, Oct 27, 2026: From $274
    27

    Tu

  • SEA–STS, Oct 28, 2026: From $274
    28

    We

  • SEA–STS, Oct 29, 2026: From $274
    29

    Th

  • SEA–STS, Oct 30, 2026: From $274
    30

    Fr

  • SEA–STS, Oct 31, 2026: From $209
    31

    Sa

  • SEA–STS, Nov 1, 2026: From $209
    01

    Su

    NOV

  • SEA–STS, Nov 2, 2026: From $182
    02

    Mo

  • SEA–STS, Nov 3, 2026: From $182
    03

    Tu

  • SEA–STS, Nov 4, 2026: From $182
    04

    We

  • SEA–STS, Nov 5, 2026: From $209
    05

    Th

  • SEA–STS, Nov 6, 2026: From $209
    06

    Fr

  • SEA–STS, Nov 7, 2026: From $209
    07

    Sa

  • SEA–STS, Nov 8, 2026: From $209
    08

    Su

  • SEA–STS, Nov 9, 2026: From $149
    09

    Mo

    • Range$149-$409

    *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 Santa Rosa.*

    $
    keyboard_arrow_down
    One-way low-fare flights Seattle to Santa Rosa.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Santa Rosa (STS)One-way
    |
    Saver    		Depart: Jan 12, 2027

    From

    $132

    Seen: 8 hours ago

    Seattle (SEA)Santa Rosa (STS)One-way
    |
    Saver    		Depart: Jan 19, 2027

    From

    $132

    Seen: 8 hours ago

    Seattle (SEA)Santa Rosa (STS)One-way
    |
    Saver    		Depart: Jan 27, 2027

    From

    $132

    Seen: 8 hours ago

    Seattle (SEA)Santa Rosa (STS)One-way
    |
    Saver    		Depart: Jan 29, 2027

    From

    $132

    Seen: 8 hours ago

    Seattle (SEA)Santa Rosa (STS)One-way
    |
    Saver    		Depart: Jan 30, 2027

    From

    $132

    Seen: 8 hours ago

    Seattle (SEA)Santa Rosa (STS)One-way
    |
    Saver    		Depart: Feb 9, 2027

    From

    $132

    Seen: 8 hours ago

    Seattle (SEA)Santa Rosa (STS)One-way
    |
    Saver    		Depart: Nov 17, 2026

    From

    $132

    Seen: 8 hours ago

    Seattle (SEA)Santa Rosa (STS)One-way
    |
    Saver    		Depart: Jan 9, 2027

    From

    $132

    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.

    Frequently Asked Questions on flights from Seattle (SEA) to Santa Rosa (STS)

    When is the best time to book a flight from Seattle to Santa Rosa?

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

    Can I earn points on my flight to Santa Rosa?

    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 Charles M. Schulz–Sonoma County Airport?

    Yes, you can rent a car at Charles M. Schulz–Sonoma County Airport. Check availability and book now

    Where can I find the status of my flight to Santa Rosa?

    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 Santa Rosa?

    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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