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
Thursday, October 22nd, 2026
9 round-trip options
Returning
Tue, Oct 27, 2026•5 Day Trip
$703 USD
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Wed, Oct 28, 2026•6 Day Trip
$698 USD
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Thu, Oct 29, 2026•7 Day Trip
$701 USD
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Fri, Oct 30, 2026•8 Day Trip
$733 USD
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Sat, Oct 31, 2026•9 Day Trip
$759 USD
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Sun, Nov 1, 2026•10 Day Trip
$721 USD
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Mon, Nov 2, 2026•11 Day Trip
$700 USD
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Tue, Nov 3, 2026•12 Day Trip
$699 USD
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Wed, Nov 4, 2026•13 Day Trip
$843 USD