Southwest® flights from Portland, OR to Santa Rosa from $99

Promo Code

Low fares from Portland, OR to Santa Rosa

$

Portland, OR (PDX)to

Santa Rosa (STS)
Depart: 12/16/2026

One-way

Basic

From
$99

Low fares from Portland, OR to Santa Rosa

$

Portland, OR (PDX)to

Santa Rosa (STS)
Depart: 12/16/2026

One-way

Basic

From
$99
Seen: 14 hrs ago

Portland, OR (PDX)to

Santa Rosa (STS)
Depart: 12/12/2026

One-way

Basic

From
$99
Seen: 4 hrs ago

Portland, OR (PDX)to

Santa Rosa (STS)
Depart: 12/02/2026

One-way

Basic

From
$101
Seen: 21 hrs ago

Portland, OR (PDX)to

Santa Rosa (STS)
Depart: 12/25/2026

One-way

Basic

From
$104
Seen: 2 hrs ago

Portland, OR (PDX)to

Santa Rosa (STS)
Depart: 12/07/2026

One-way

Basic

From
$109
Seen: 19 hrs ago

Portland, OR (PDX)to

Santa Rosa (STS)
Depart: 12/12/2026

One-way

Choice

From
$129
Seen: 4 hrs ago

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Explore flights from Portland, OR to Santa Rosa

Nov 2026
From$224*
Seen: 19 hrs ago
One Way/Basic
Dec 2026
From$99*
Seen: 14 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $99
Displaying fares for November-2026
  • PDX–STS: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

    NOV

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    14

    Sat

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    15

    Sun

  • PDX–STS, 11/16/2026: From $410
    16

    Mon

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    17

    Tue

  • PDX–STS, 11/18/2026: From $415
    18

    Wed

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    19

    Thu

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    20

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    21

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    22

    Sun

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    23

    Mon

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    24

    Tue

  • PDX–STS, 11/25/2026: From $394
    25

    Wed

  • PDX–STS, 11/26/2026: From $224
    26

    Thu

  • PDX–STS: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • PDX–STS: cmp-view-offers-disclaimer. Find Offers
    28

    Sat

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    29

    Sun

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    30

    Mon

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    01

    Tue

    DEC

  • PDX–STS, 12/02/2026: From $101
    02

    Wed

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    03

    Thu

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    04

    Fri

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    05

    Sat

  • PDX–STS: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • PDX–STS, 12/07/2026: From $109
    07

    Mon

  • PDX–STS: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • PDX–STS: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • PDX–STS: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • PDX–STS: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

  • PDX–STS, 12/12/2026: From $99
    12

    Sat

    • Range$99-$415

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Portland International Airport
    Arriving at:
    Charles M. Schulz–Sonoma County Airport
    Distance:
    489 miles

    Questions we hear the most

    There are 36 weekly flights from Portland, OR to Santa Rosa on Southwest Airlines.
    To find the lowest fares by day and time to fly Portland, OR to Santa Rosa with Southwest, check out our Low Fare Calendar.
    You can rent a car at Charles M. Schulz–Sonoma County Airport book yours with your flight.
    Yes! Flights from Portland, OR to Santa Rosa—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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