Southwest® flights from Portland, OR to San Francisco from $76

Promo Code

Low fares from Portland, OR to San Francisco

$

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 10/17/2026

One-way

Basic

From
$76
Seen: 12 hrs ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 09/30/2026

One-way

Basic

From
$76
Seen: 13 hrs ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 10/03/2026

One-way

Basic

From
$76
Seen: 23 hrs ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 09/22/2026

One-way

Basic

From
$76
Seen: 43 minutes ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 10/26/2026

One-way

Basic

From
$76
Seen: 14 hrs ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 10/07/2026

One-way

Basic

From
$76
Seen: 23 hrs ago

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Explore flights from Portland, OR to San Francisco

Aug 2026
From$294*
Seen: 19 hrs ago
One Way/Basic
Sep 2026
From$76*
Seen: 6 hrs ago
One Way/Basic
Oct 2026
From$76*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $76
cmp-daily-histogram-bars-legend-max-price-aria-label $369
Displaying fares for August-2026
  • PDX–SFO, 08/21/2026: From $369
    21

    Fri

    AUG

  • PDX–SFO, 08/22/2026: From $369
    22

    Sat

  • PDX–SFO, 08/23/2026: From $369
    23

    Sun

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • PDX–SFO, 08/25/2026: From $369
    25

    Tue

  • PDX–SFO, 08/26/2026: From $369
    26

    Wed

  • PDX–SFO, 08/27/2026: From $294
    27

    Thu

  • PDX–SFO, 08/28/2026: From $294
    28

    Fri

  • PDX–SFO, 08/29/2026: From $294
    29

    Sat

  • PDX–SFO, 08/30/2026: From $294
    30

    Sun

  • PDX–SFO, 08/31/2026: From $294
    31

    Mon

  • PDX–SFO, 09/01/2026: From $294
    01

    Tue

    SEP

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • PDX–SFO, 09/03/2026: From $240
    03

    Thu

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    04

    Fri

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

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

    Sun

  • PDX–SFO, 09/07/2026: From $314
    07

    Mon

  • PDX–SFO, 09/08/2026: From $240
    08

    Tue

  • PDX–SFO, 09/09/2026: From $240
    09

    Wed

  • PDX–SFO, 09/10/2026: From $76
    10

    Thu

  • PDX–SFO, 09/11/2026: From $86
    11

    Fri

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • PDX–SFO, 09/13/2026: From $184
    13

    Sun

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • PDX–SFO, 09/16/2026: From $76
    16

    Wed

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    17

    Thu

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • PDX–SFO, 09/20/2026: From $114
    20

    Sun

    • Range$76-$369

    *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:
    San Francisco International Airport
    Distance:
    550 miles

    Route Information

    121† 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 121 weekly flights from Portland, OR to San Francisco on Southwest Airlines.
    To find the lowest fares by day and time to fly Portland, OR to San Francisco with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Francisco International Airport book yours with your flight.
    Yes! Flights from Portland, OR to San Francisco—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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