American Airlines flights from San Francisco to Porto Alegre

Recent searches for flights from San Francisco to Porto Alegre

Aug 2026
From$1,087*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$1,061*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$1,061*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.1K
cmp-daily-histogram-bars-legend-max-price-aria-label $2.4K
Displaying fares for August-2026
  • SFO–POA: cmp-view-offers-disclaimer. Find Offers
    13

    Th

    AUG

  • SFO–POA, 08/14/26 – 08/21/26: From $1,512
    14

    Fr

  • SFO–POA, 08/15/26 – 08/22/26: From $1,448
    15

    Sa

  • SFO–POA, 08/16/26 – 08/23/26: From $2,357
    16

    Su

  • SFO–POA, 08/17/26 – 08/24/26: From $1,142
    17

    Mo

  • SFO–POA, 08/18/26 – 08/25/26: From $1,112
    18

    Tu

  • SFO–POA, 08/19/26 – 08/26/26: From $1,117
    19

    We

  • SFO–POA, 08/20/26 – 08/27/26: From $1,312
    20

    Th

  • SFO–POA, 08/21/26 – 08/28/26: From $1,401
    21

    Fr

  • SFO–POA, 08/22/26 – 08/29/26: From $1,695
    22

    Sa

  • SFO–POA, 08/23/26 – 08/30/26: From $1,457
    23

    Su

  • SFO–POA, 08/24/26 – 08/31/26: From $1,223
    24

    Mo

  • SFO–POA, 08/25/26 – 09/01/26: From $1,087
    25

    Tu

  • SFO–POA, 08/26/26 – 09/02/26: From $1,087
    26

    We

  • SFO–POA, 08/27/26 – 09/03/26: From $1,248
    27

    Th

  • SFO–POA, 08/28/26 – 09/04/26: From $1,112
    28

    Fr

  • SFO–POA, 08/29/26 – 09/05/26: From $1,087
    29

    Sa

  • SFO–POA, 08/30/26 – 09/06/26: From $1,142
    30

    Su

  • SFO–POA, 08/31/26 – 09/07/26: From $1,117
    31

    Mo

  • SFO–POA, 09/01/26 – 09/08/26: From $1,117
    01

    Tu

    SEP

  • SFO–POA, 09/02/26 – 09/09/26: From $1,062
    02

    We

  • SFO–POA, 09/03/26 – 09/10/26: From $1,087
    03

    Th

  • SFO–POA, 09/04/26 – 09/11/26: From $1,112
    04

    Fr

  • SFO–POA, 09/05/26 – 09/12/26: From $1,223
    05

    Sa

  • SFO–POA, 09/06/26 – 09/13/26: From $1,312
    06

    Su

  • SFO–POA, 09/07/26 – 09/14/26: From $1,062
    07

    Mo

  • SFO–POA, 09/08/26 – 09/15/26: From $1,062
    08

    Tu

  • SFO–POA, 09/09/26 – 09/16/26: From $1,062
    09

    We

  • SFO–POA, 09/10/26 – 09/17/26: From $1,062
    10

    Th

  • SFO–POA, 09/11/26 – 09/18/26: From $1,117
    11

    Fr

  • SFO–POA, 09/12/26 – 09/19/26: From $1,087
    12

    Sa

    • range$1,062-$2,357

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

    Find deals on San Francisco to Porto Alegre flights

    $
    keyboard_arrow_down

    San Francisco (SFO)to

    Porto Alegre (POA)
    10/30/26 - 11/06/26

    Round trip

    Economy

    from
    $1,061Fare subject to changes
    Updated: 5 hours ago

    San Francisco (SFO)to

    Porto Alegre (POA)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $1,061Fare subject to changes
    Updated: 5 hours ago

    San Francisco (SFO)to

    Porto Alegre (POA)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $1,061Fare subject to changes
    Updated: 5 hours ago

    San Francisco (SFO)to

    Porto Alegre (POA)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $1,062Fare subject to changes
    Updated: 5 hours ago

    San Francisco (SFO)to

    Porto Alegre (POA)
    10/10/26 - 10/17/26

    Round trip

    Economy

    from
    $1,062Fare subject to changes
    Updated: 5 hours ago

    San Francisco (SFO)to

    Porto Alegre (POA)
    10/12/26 - 10/19/26

    Round trip

    Economy

    from
    $1,062Fare subject to changes
    Updated: 5 hours ago

    San Francisco (SFO)to

    Porto Alegre (POA)
    09/14/26 - 09/21/26

    Round trip

    Economy

    from
    $1,062Fare subject to changes
    Updated: 5 hours ago

    San Francisco (SFO)to

    Porto Alegre (POA)
    09/20/26 - 09/27/26

    Round trip

    Economy

    from
    $1,062Fare subject to changes
    Updated: 5 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from San Francisco to Porto Alegre

    Looking for lower fares on your trip from San Francisco to Porto Alegre? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from San Francisco to Porto Alegre

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