Flights from Santa Rosa (STS) to Portland (PDX) on Alaska Airlines

Lowest fares from Santa Rosa to Portland

cmp-daily-histogram-bars-legend-min-price-aria-label $144
cmp-daily-histogram-bars-legend-max-price-aria-label $464
Displaying fares for November-2026
  • STS–PDX, Nov 11, 2026: From $434
    11

    We

    NOV

  • STS–PDX, Nov 12, 2026: From $434
    12

    Th

  • STS–PDX, Nov 13, 2026: From $434
    13

    Fr

  • STS–PDX, Nov 14, 2026: From $434
    14

    Sa

  • STS–PDX, Nov 15, 2026: From $434
    15

    Su

  • STS–PDX, Nov 16, 2026: From $349
    16

    Mo

  • STS–PDX, Nov 17, 2026: From $349
    17

    Tu

  • STS–PDX, Nov 18, 2026: From $349
    18

    We

  • STS–PDX, Nov 19, 2026: From $349
    19

    Th

  • STS–PDX, Nov 20, 2026: From $349
    20

    Fr

  • STS–PDX, Nov 21, 2026: From $349
    21

    Sa

  • STS–PDX, Nov 22, 2026: From $349
    22

    Su

  • STS–PDX, Nov 23, 2026: From $279
    23

    Mo

  • STS–PDX, Nov 24, 2026: From $289
    24

    Tu

  • STS–PDX, Nov 25, 2026: From $279
    25

    We

  • STS–PDX, Nov 26, 2026: From $279
    26

    Th

  • STS–PDX, Nov 27, 2026: From $289
    27

    Fr

  • STS–PDX, Nov 28, 2026: From $464
    28

    Sa

  • STS–PDX, Nov 29, 2026: From $434
    29

    Su

  • STS–PDX, Nov 30, 2026: From $254
    30

    Mo

  • STS–PDX, Dec 1, 2026: From $244
    01

    Tu

    DEC

  • STS–PDX, Dec 2, 2026: From $171
    02

    We

  • STS–PDX, Dec 3, 2026: From $234
    03

    Th

  • STS–PDX, Dec 4, 2026: From $234
    04

    Fr

  • STS–PDX, Dec 5, 2026: From $234
    05

    Sa

  • STS–PDX, Dec 6, 2026: From $234
    06

    Su

  • STS–PDX, Dec 7, 2026: From $234
    07

    Mo

  • STS–PDX, Dec 8, 2026: From $158
    08

    Tu

  • STS–PDX, Dec 9, 2026: From $144
    09

    We

  • STS–PDX, Dec 10, 2026: From $154
    10

    Th

  • Range$144-$464

    One-way low-fare flights Santa Rosa to Portland.*

    $
    keyboard_arrow_down
    One-way low-fare flights Santa Rosa to Portland.*
    From
    To
    Fare Type
    Dates
    Price
    Santa Rosa (STS)Portland (PDX)One-way
    |
    Saver
    Depart: Feb 20, 2027

    From

    $144

    Seen: 18 hours ago

    Santa Rosa (STS)Portland (PDX)One-way
    |
    Saver
    Depart: Mar 2, 2027

    From

    $144

    Seen: 18 hours ago

    Santa Rosa (STS)Portland (PDX)One-way
    |
    Saver
    Depart: Mar 10, 2027

    From

    $144

    Seen: 18 hours ago

    Santa Rosa (STS)Portland (PDX)One-way
    |
    Saver
    Depart: Dec 16, 2026

    From

    $144

    Seen: 18 hours ago

    Santa Rosa (STS)Portland (PDX)One-way
    |
    Saver
    Depart: Dec 22, 2026

    From

    $144

    Seen: 18 hours ago

    Santa Rosa (STS)Portland (PDX)One-way
    |
    Saver
    Depart: Jan 5, 2027

    From

    $144

    Seen: 18 hours ago

    Santa Rosa (STS)Portland (PDX)One-way
    |
    Saver
    Depart: Jan 6, 2027

    From

    $144

    Seen: 18 hours ago

    Santa Rosa (STS)Portland (PDX)One-way
    |
    Saver
    Depart: Jan 13, 2027

    From

    $144

    Seen: 18 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 Santa Rosa (STS) to Portland (PDX)

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

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

    Can I earn points on my flight to Portland?

    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 Portland International Airport?

    Yes, you can rent a car at Portland International Airport. Check availability and book now

    Where can I find the status of my flight to Portland?

    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 Portland?

    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.Â