San Francisco (SFO) to Porto (OPO) flights from USD712

*Modifying this information may result in a different fare

*All amounts are in USD. Taxes and surcharges are included. No booking fee is applicable. Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees may apply.

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Lowest fares between San Francisco and Porto

cmp-daily-histogram-bars-legend-min-price-aria-label USD770
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.1K
Displaying fares for October-2026
  • SFO–OPO, 10/10/2026 – 11/07/2026: From USD1,108
    10

    Sa

    OCT

  • SFO–OPO, 10/11/2026 – 11/08/2026: From USD1,048
    11

    Su

  • SFO–OPO, 10/12/2026 – 11/02/2026: From USD998
    12

    Mo

  • SFO–OPO, 10/13/2026 – 11/03/2026: From USD951
    13

    Tu

  • SFO–OPO, 10/14/2026 – 11/04/2026: From USD960
    14

    We

  • SFO–OPO, 10/15/2026 – 11/05/2026: From USD1,005
    15

    Th

  • SFO–OPO, 10/16/2026 – 11/13/2026: From USD1,010
    16

    Fr

  • SFO–OPO, 10/17/2026 – 11/07/2026: From USD1,052
    17

    Sa

  • SFO–OPO, 10/18/2026 – 11/08/2026: From USD1,002
    18

    Su

  • SFO–OPO, 10/19/2026 – 11/16/2026: From USD951
    19

    Mo

  • SFO–OPO, 10/20/2026 – 11/03/2026: From USD951
    20

    Tu

  • SFO–OPO, 10/21/2026 – 11/04/2026: From USD821
    21

    We

  • SFO–OPO, 10/22/2026 – 11/19/2026: From USD871
    22

    Th

  • SFO–OPO, 10/23/2026 – 11/06/2026: From USD879
    23

    Fr

  • SFO–OPO, 10/24/2026 – 11/07/2026: From USD929
    24

    Sa

  • SFO–OPO, 10/25/2026 – 11/08/2026: From USD870
    25

    Su

  • SFO–OPO, 10/26/2026 – 11/09/2026: From USD820
    26

    Mo

  • SFO–OPO, 10/27/2026 – 11/03/2026: From USD820
    27

    Tu

  • SFO–OPO, 10/28/2026 – 11/11/2026: From USD821
    28

    We

  • SFO–OPO, 10/29/2026 – 11/26/2026: From USD874
    29

    Th

  • SFO–OPO, 10/30/2026 – 11/20/2026: From USD876
    30

    Fr

  • SFO–OPO, 10/31/2026 – 11/07/2026: From USD972
    31

    Sa

  • SFO–OPO, 11/01/2026 – 11/22/2026: From USD871
    01

    Su

    NOV

  • SFO–OPO, 11/02/2026 – 11/09/2026: From USD820
    02

    Mo

  • SFO–OPO, 11/03/2026 – 11/10/2026: From USD820
    03

    Tu

  • SFO–OPO, 11/04/2026 – 11/25/2026: From USD824
    04

    We

  • SFO–OPO, 11/05/2026 – 11/26/2026: From USD870
    05

    Th

  • SFO–OPO, 11/06/2026 – 11/13/2026: From USD820
    06

    Fr

  • SFO–OPO, 11/07/2026 – 11/21/2026: From USD870
    07

    Sa

  • SFO–OPO, 11/08/2026 – 12/06/2026: From USD820
    08

    Su

  • SFO–OPO, 11/09/2026 – 11/23/2026: From USD770
    09

    Mo

  • RangeUSD770-USD1,108