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: 08/20/2026

One-way

Basic

From
$76
Seen: 11 hrs ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 08/22/2026

One-way

Basic

From
$76
Seen: 19 hrs ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 08/31/2026

One-way

Basic

From
$76
Seen: 18 hrs ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 09/02/2026

One-way

Basic

From
$76
Seen: 20 hrs ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 10/29/2026

One-way

Basic

From
$76
Seen: 15 hrs ago

Portland, OR (PDX)to

San Francisco (SFO)
Depart: 09/05/2026

One-way

Basic

From
$76
Seen: 12 hrs ago

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Explore flights from Portland, OR to San Francisco

Jul 2026
From$359*
Seen: 2 hrs ago
One Way/Basic
Aug 2026
From$76*
Seen: 14 hrs ago
One Way/Basic
Sep 2026
From$76*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $76
cmp-daily-histogram-bars-legend-max-price-aria-label $359
Displaying fares for July-2026
  • PDX–SFO, 07/31/2026: From $359
    31

    Fri

    JUL

  • PDX–SFO, 08/01/2026: From $359
    01

    Sat

  • PDX–SFO, 08/02/2026: From $359
    02

    Sun

  • PDX–SFO, 08/03/2026: From $359
    03

    Mon

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

    Tue

  • PDX–SFO, 08/05/2026: From $359
    05

    Wed

  • PDX–SFO, 08/06/2026: From $284
    06

    Thu

  • PDX–SFO, 08/07/2026: From $284
    07

    Fri

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

    Sat

  • PDX–SFO, 08/09/2026: From $284
    09

    Sun

  • PDX–SFO, 08/10/2026: From $284
    10

    Mon

  • PDX–SFO, 08/11/2026: From $284
    11

    Tue

  • PDX–SFO, 08/12/2026: From $284
    12

    Wed

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    13

    Thu

  • PDX–SFO, 08/14/2026: From $230
    14

    Fri

  • PDX–SFO, 08/15/2026: From $230
    15

    Sat

  • PDX–SFO, 08/16/2026: From $230
    16

    Sun

  • PDX–SFO, 08/17/2026: From $230
    17

    Mon

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

    Tue

  • PDX–SFO, 08/19/2026: From $230
    19

    Wed

  • PDX–SFO, 08/20/2026: From $76
    20

    Thu

  • PDX–SFO, 08/21/2026: From $128
    21

    Fri

  • PDX–SFO, 08/22/2026: From $76
    22

    Sat

  • PDX–SFO, 08/23/2026: From $179
    23

    Sun

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

    Mon

  • PDX–SFO, 08/25/2026: From $76
    25

    Tue

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • PDX–SFO, 08/27/2026: From $76
    27

    Thu

  • PDX–SFO, 08/28/2026: From $128
    28

    Fri

  • PDX–SFO, 08/29/2026: From $76
    29

    Sat

  • PDX–SFO, 08/30/2026: From $174
    30

    Sun

    • Range$76-$359

    *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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