Flights from Porto to San Francisco from USD 751

Promo Code

Flights from Porto to San Francisco

Discover the cheapest day and month to travel

Try alternate month or interact with individual days below in order to find offers.
Jul 2026
Try another month to see offers
Aug 2026
FromUSD 1,051*
Viewed 13 hours ago
Flight Type Round Trip|Economy
Sep 2026
Try another month to see offers
Displaying fares for July-2026
  • 01

    We

    JUL

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

  • 11

    Sa

  • 12

    Su

  • 13

    Mo

  • 14

    Tu

  • 15

    We

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

  • 28

    Tu

  • 29

    We

  • 30

    Th

  • 31

    Fr

    • *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    Best Flight Deals from Porto to San Francisco

    USD
    keyboard_arrow_down
    Best Flight Deals from Porto to San Francisco
    From
    To
    Fare Type
    Dates
    Price
    Porto (OPO)San Francisco (SFO)Round trip
    |
    Economy    		21/11/2026 - 05/12/2026

    From

    USD 751

    Viewed 1 day ago

    Porto (OPO)San Francisco (SFO)Round trip
    |
    Economy    		12/08/2026 - 05/09/2026

    From

    USD 1,051

    Viewed 13 hours ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    Make a free Stopover in Portugal

    Stay up to 10 days in Lisbon or Porto at no extra flight cost and enjoy 500+ partner offers.

    Book Now
    Passengers sitting inside an airplane cabin

    Business Flights Deals

    USD

    Porto (OPO)to

    San Francisco (SFO)
    12/08/2026 - 05/09/2026

    Round trip

    Business

    From
    USD 5,037
    Viewed 13 hours ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    See More TAP Air Portugal Flights

    Explore TAP's Top-Pick Destinations