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Flights from San Francisco to Porto from USD 820
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1 Passenger, Economy
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Flights from San Francisco to Porto
Discover the cheapest day and month to travel
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Best Flight Deals from San Francisco to Porto
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USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Francisco (SFO) | Porto (OPO) | Round trip | Economy | 07/10/2026 - 24/10/2026 | From USD 970 Viewed 1 day ago | |
| San Francisco (SFO) | Porto (OPO) | Round trip | Economy | 25/12/2026 - 04/01/2027 | From USD 1,363 Viewed 1 day ago | |
| San Francisco (SFO) | Porto (OPO) | Round trip | Economy | 20/10/2026 - 30/10/2026 | From USD 820 Viewed 14 hours ago | |
| San Francisco (SFO) | Porto (OPO) | Round trip | Economy | 29/09/2026 - 13/10/2026 | From USD 820 Viewed 1 day ago | |
| San Francisco (SFO) | Porto (OPO) | Round trip | Economy | 15/09/2026 - 30/09/2026 | From USD 1,284 Viewed 22 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.
Business Flights Deals
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flight_land
USD
San Francisco (SFO)to
Porto (OPO)
20/10/2026 - 30/10/2026
Round trip
Business
From
USD 7,071
Viewed 14 hours ago
San Francisco (SFO)to
Porto (OPO)
22/08/2026 - 07/09/2026
Round trip
Business
From
USD 7,255
Viewed 17 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.