San Francisco to Porto Flights
Flights from San Francisco (SFO) to Porto (OPO) connect United States and Portugal. The great-circle distance is approximately 8,964 km, and a typical direct flight takes about 12 hours. Airports commonly used for this city pair include SFO, OAK, SJC and OPO. The reverse route is Porto to San Francisco. Use the search tool below to compare live prices and schedules — do not treat any static text on this page as a live fare.
Route facts
- Origin
- San Francisco, United States
- Destination
- Porto, Portugal
- Distance
- 8,964 km
- Typical duration
- about 12 hours
- Origin codes
- SFO, OAK, SJC
- Destination codes
- OPO
- Primary keyword
- flights from San Francisco to Porto
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Compare live prices and schedules for this route.
Route overview
San Francisco to Porto is a city-pair air route between United States and Portugal. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are SFO and OPO. Related codes: SFO, OAK, SJC → OPO.
Distance
Approximate flight distance: 8,964 km (great-circle). Actual flown distance can be longer depending on airway routing.
Duration
Typical block time for a direct flight is about 12 hours. Connecting itineraries take longer and depend on layover airports.
Airports
San Francisco airports and metro codes: SFO, OAK, SJC.
Porto airports and metro codes: OPO.
Alternative routes
Related searches include the reverse route Porto to San Francisco, other destinations from San Francisco, and other origins into Porto.
Frequently asked questions
How long is the flight from San Francisco to Porto?
Direct flights from San Francisco to Porto typically take about 12 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from San Francisco to Porto?
The great-circle distance between San Francisco and Porto is approximately 8,964 km. Flown distance can be longer depending on airways.
Which airports serve flights from San Francisco to Porto?
San Francisco is commonly searched with code SFO (related: SFO, OAK, SJC). Porto is commonly searched with code OPO (related: OPO).
Are there direct flights from San Francisco to Porto?
Direct service availability varies by season and airline. Compare live schedules on Cheap Flights Worldwide for current nonstop and connecting options on this route.
What is the reverse flight route from Porto to San Francisco?
The reverse city pair is Porto to San Francisco. Distance is the same great-circle measure (8,964 km); block time can differ with winds and schedules.
Which countries does the San Francisco to Porto route connect?
This route connects United States (San Francisco) with Portugal (Porto).
Related routes
- Porto to San Francisco
- Flights from San Francisco
- Flights to Porto
- Flights in United States
- Flights in Portugal
- San Francisco to New York
- San Francisco to Kuala Lumpur
- San Francisco to Jakarta
- San Francisco to Riyadh
- San Francisco to Tel Aviv
- San Francisco to Delhi
- San Francisco to Mumbai
- San Francisco to Istanbul
- San Francisco airport (SFO)
- Porto airport (OPO)