Southwest® flights from San Antonio to Portland, OR from $164

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Low fares from San Antonio to Portland, OR

$

San Antonio (SAT)to

Portland, OR (PDX)
Depart: 11/10/2026

One-way

Basic

From
$164
Seen: 2 hrs ago

San Antonio (SAT)to

Portland, OR (PDX)
Depart: 10/07/2026

One-way

Basic

From
$169
Seen: 23 hrs ago

San Antonio (SAT)to

Portland, OR (PDX)
Depart: 09/26/2026

One-way

Basic

From
$169
Seen: 23 hrs ago

San Antonio (SAT)to

Portland, OR (PDX)
Depart: 10/05/2026

One-way

Basic

From
$169
Seen: 20 hrs ago

San Antonio (SAT)to

Portland, OR (PDX)
Depart: 10/01/2026

One-way

Basic

From
$169
Seen: 14 hrs ago

San Antonio (SAT)to

Portland, OR (PDX)
Depart: 10/13/2026

One-way

Basic

From
$169
Seen: 4 hrs ago

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Explore flights from San Antonio to Portland, OR

Aug 2026
From$224*
Seen: 23 hrs ago
One Way/Basic
Sep 2026
From$169*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$169*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $169
cmp-daily-histogram-bars-legend-max-price-aria-label $459
Displaying fares for August-2026
  • SAT–PDX, 08/23/2026: From $459
    23

    Sun

    AUG

  • SAT–PDX, 08/24/2026: From $459
    24

    Mon

  • SAT–PDX, 08/25/2026: From $459
    25

    Tue

  • SAT–PDX, 08/26/2026: From $459
    26

    Wed

  • SAT–PDX, 08/27/2026: From $459
    27

    Thu

  • SAT–PDX, 08/28/2026: From $459
    28

    Fri

  • SAT–PDX, 08/29/2026: From $224
    29

    Sat

  • SAT–PDX: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • SAT–PDX, 08/31/2026: From $224
    31

    Mon

  • SAT–PDX, 09/01/2026: From $224
    01

    Tue

    SEP

  • SAT–PDX, 09/02/2026: From $224
    02

    Wed

  • SAT–PDX, 09/03/2026: From $250
    03

    Thu

  • SAT–PDX, 09/04/2026: From $300
    04

    Fri

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

    Sat

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

    Sun

  • SAT–PDX: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

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

    Tue

  • SAT–PDX, 09/09/2026: From $189
    09

    Wed

  • SAT–PDX, 09/10/2026: From $189
    10

    Thu

  • SAT–PDX, 09/11/2026: From $189
    11

    Fri

  • SAT–PDX, 09/12/2026: From $169
    12

    Sat

  • SAT–PDX, 09/13/2026: From $250
    13

    Sun

  • SAT–PDX, 09/14/2026: From $169
    14

    Mon

  • SAT–PDX, 09/15/2026: From $169
    15

    Tue

  • SAT–PDX, 09/16/2026: From $169
    16

    Wed

  • SAT–PDX, 09/17/2026: From $185
    17

    Thu

  • SAT–PDX, 09/18/2026: From $185
    18

    Fri

  • SAT–PDX, 09/19/2026: From $169
    19

    Sat

  • SAT–PDX: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • SAT–PDX: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • SAT–PDX, 09/22/2026: From $169
    22

    Tue

    • Range$169-$459

    *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:
    San Antonio International Airport
    Arriving at:
    Portland International Airport
    Distance:
    1714 miles

    Route Information

    151† 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 151 weekly flights from San Antonio to Portland, OR on Southwest Airlines.
    To find the lowest fares by day and time to fly San Antonio to Portland, OR with Southwest, check out our Low Fare Calendar.
    You can rent a car at Portland International Airport book yours with your flight.
    Yes! Flights from San Antonio to Portland, OR—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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