San Francisco (SFO) to Porto (OPO) flights from USD763

*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 USD771
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.1K
Displaying fares for October-2026
  • SFO–OPO, 10/06/2026 – 11/03/2026: From USD999
    06

    Tu

    OCT

  • SFO–OPO, 10/07/2026 – 11/04/2026: From USD999
    07

    We

  • SFO–OPO, 10/08/2026 – 11/05/2026: From USD1,059
    08

    Th

  • SFO–OPO, 10/09/2026 – 11/06/2026: From USD1,059
    09

    Fr

  • SFO–OPO, 10/10/2026 – 11/07/2026: From USD1,109
    10

    Sa

  • SFO–OPO, 10/11/2026 – 11/08/2026: From USD1,049
    11

    Su

  • SFO–OPO, 10/12/2026 – 11/09/2026: From USD999
    12

    Mo

  • SFO–OPO, 10/13/2026 – 11/03/2026: From USD952
    13

    Tu

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

    We

  • SFO–OPO, 10/15/2026 – 11/05/2026: From USD1,006
    15

    Th

  • SFO–OPO, 10/16/2026 – 11/06/2026: From USD1,136
    16

    Fr

  • SFO–OPO, 10/17/2026 – 11/07/2026: From USD1,060
    17

    Sa

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

    Su

  • SFO–OPO, 10/19/2026 – 11/16/2026: From USD821
    19

    Mo

  • SFO–OPO, 10/20/2026 – 11/17/2026: From USD821
    20

    Tu

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

    We

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

    Th

  • SFO–OPO, 10/23/2026 – 11/20/2026: From USD879
    23

    Fr

  • SFO–OPO, 10/24/2026 – 11/07/2026: From USD925
    24

    Sa

  • SFO–OPO, 10/25/2026 – 11/22/2026: From USD871
    25

    Su

  • SFO–OPO, 10/26/2026 – 11/09/2026: From USD821
    26

    Mo

  • SFO–OPO, 10/27/2026 – 11/03/2026: From USD821
    27

    Tu

  • SFO–OPO, 10/28/2026 – 11/25/2026: From USD821
    28

    We

  • SFO–OPO, 10/29/2026 – 11/19/2026: From USD875
    29

    Th

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

    Fr

  • SFO–OPO, 10/31/2026 – 11/21/2026: From USD925
    31

    Sa

  • SFO–OPO, 11/01/2026 – 11/08/2026: From USD871
    01

    Su

    NOV

  • SFO–OPO, 11/02/2026 – 11/16/2026: From USD771
    02

    Mo

  • SFO–OPO, 11/03/2026 – 11/10/2026: From USD771
    03

    Tu

  • SFO–OPO, 11/04/2026 – 11/11/2026: From USD775
    04

    We

  • SFO–OPO, 11/05/2026 – 11/26/2026: From USD821
    05

    Th

  • RangeUSD771-USD1,136