San Francisco (SFO) to Porto (OPO) flights from USD743

*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 USD933
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.5K
Displaying fares for August-2026
  • SFO–OPO, 08/06/2026 – 08/27/2026: From USD1,071
    06

    Th

    AUG

  • SFO–OPO, 08/07/2026 – 08/21/2026: From USD997
    07

    Fr

  • SFO–OPO, 08/08/2026 – 08/22/2026: From USD1,053
    08

    Sa

  • SFO–OPO, 08/09/2026 – 09/06/2026: From USD993
    09

    Su

  • SFO–OPO, 08/10/2026 – 08/24/2026: From USD993
    10

    Mo

  • SFO–OPO, 08/11/2026 – 09/08/2026: From USD933
    11

    Tu

  • SFO–OPO, 08/12/2026 – 08/26/2026: From USD933
    12

    We

  • SFO–OPO, 08/13/2026 – 08/27/2026: From USD993
    13

    Th

  • SFO–OPO, 08/14/2026 – 08/21/2026: From USD993
    14

    Fr

  • SFO–OPO, 08/15/2026 – 08/29/2026: From USD1,053
    15

    Sa

  • SFO–OPO, 08/16/2026 – 09/06/2026: From USD993
    16

    Su

  • SFO–OPO, 08/17/2026 – 08/24/2026: From USD993
    17

    Mo

  • SFO–OPO, 08/18/2026 – 09/08/2026: From USD933
    18

    Tu

  • SFO–OPO, 08/19/2026 – 09/16/2026: From USD933
    19

    We

  • SFO–OPO, 08/20/2026 – 08/27/2026: From USD997
    20

    Th

  • SFO–OPO, 08/21/2026 – 09/04/2026: From USD993
    21

    Fr

  • SFO–OPO, 08/22/2026 – 08/29/2026: From USD1,174
    22

    Sa

  • SFO–OPO, 08/23/2026 – 08/30/2026: From USD1,104
    23

    Su

  • SFO–OPO, 08/24/2026 – 09/21/2026: From USD1,104
    24

    Mo

  • SFO–OPO, 08/25/2026 – 09/22/2026: From USD1,048
    25

    Tu

  • SFO–OPO, 08/26/2026 – 09/09/2026: From USD1,044
    26

    We

  • SFO–OPO, 08/27/2026 – 09/24/2026: From USD1,118
    27

    Th

  • SFO–OPO, 08/28/2026 – 09/11/2026: From USD1,196
    28

    Fr

  • SFO–OPO, 08/29/2026 – 09/05/2026: From USD1,174
    29

    Sa

  • SFO–OPO, 08/30/2026 – 09/06/2026: From USD1,104
    30

    Su

  • SFO–OPO, 08/31/2026 – 09/07/2026: From USD1,113
    31

    Mo

  • SFO–OPO, 09/01/2026 – 09/08/2026: From USD1,048
    01

    Tu

    SEP

  • SFO–OPO, 09/02/2026 – 09/23/2026: From USD1,211
    02

    We

  • SFO–OPO, 09/03/2026 – 09/17/2026: From USD1,480
    03

    Th

  • SFO–OPO, 09/04/2026 – 09/11/2026: From USD1,281
    04

    Fr

  • SFO–OPO, 09/05/2026 – 09/12/2026: From USD1,222
    05

    Sa

  • RangeUSD933-USD1,480