Southwest® flights from Santa Rosa to Portland, ME from $265

Promo Code

Low fares from Santa Rosa to Portland, ME

$

Santa Rosa (STS)to

Portland, ME (PWM)
Depart: 09/05/2026

One-way

Basic

From
$250

Low fares from Santa Rosa to Portland, ME

$

Santa Rosa (STS)to

Portland, ME (PWM)
Depart: 08/23/2026

One-way

Basic

From
$265
Seen: 23 hrs ago

Santa Rosa (STS)to

Portland, ME (PWM)
Depart: 08/23/2026

One-way

Choice

From
$310
Seen: 23 hrs ago

Santa Rosa (STS)to

Portland, ME (PWM)
Depart: 06/22/2026

One-way

Basic

From
$335
Seen: 16 hrs ago

Santa Rosa (STS)to

Portland, ME (PWM)
Depart: 06/22/2026

One-way

Choice

From
$375
Seen: 16 hrs ago

Santa Rosa (STS)to

Portland, ME (PWM)
Depart: 08/23/2026

One-way

Choice Preferred

From
$390
Seen: 23 hrs ago

Santa Rosa (STS)to

Portland, ME (PWM)
Depart: 08/23/2026

One-way

Choice Extra

From
$450
Seen: 23 hrs ago

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Explore flights from Santa Rosa to Portland, ME

May 2026
From$520*
Seen: 9 hrs ago
One Way/Basic
Jun 2026
From$335*
Seen: 16 hrs ago
One Way/Basic
Jul 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $335
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    • Range$335-$520

    *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:
    Charles M. Schulz–Sonoma County Airport
    Arriving at:
    Portland International Jetport
    Distance:
    2719 miles

    Route Information

    3† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 3 weekly flights from Santa Rosa to Portland, ME on Southwest Airlines.
    To find the lowest fares by day and time to fly Santa Rosa to Portland, ME with Southwest, check out our Low Fare Calendar.
    You can rent a car at Portland International Jetport book yours with your flight.
    Yes! Flights from Santa Rosa to Portland, ME—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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