Porto (OPO) to San Francisco (SFO) flight deal in economy from $669
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
SFOSan Francisco International Airport
San Francisco, United States
$871 USD
-23%$669 USD
Verified about 11 hours agoOctober 2026
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Limited Availability
16% of dates checked are available within 10% of the lowest price
Friday, October 16th, 2026
9 round-trip options
Returning
Wed, Oct 21, 2026•5 Day Trip
$805 USD
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Thu, Oct 22, 2026•6 Day Trip
$816 USD
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Fri, Oct 23, 2026•7 Day Trip
$791 USD
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Sat, Oct 24, 2026•8 Day Trip
$801 USD
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Sun, Oct 25, 2026•9 Day Trip
$789 USD
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Mon, Oct 26, 2026•10 Day Trip
$812 USD
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Tue, Oct 27, 2026•11 Day Trip
$783 USD
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Wed, Oct 28, 2026•12 Day Trip
$783 USD
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Thu, Oct 29, 2026•13 Day Trip
$789 USD