Porto to San Francisco Flights
Flights from Porto (OPO) to San Francisco (SFO) connect Portugal and United States. 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 OPO and SFO, OAK, SJC. The reverse route is San Francisco to Porto. 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
- Porto, Portugal
- Destination
- San Francisco, United States
- Distance
- 8,964 km
- Typical duration
- about 12 hours
- Origin codes
- OPO
- Destination codes
- SFO, OAK, SJC
- Primary keyword
- flights from Porto to San Francisco
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Route overview
Porto to San Francisco is a city-pair air route between Portugal and United States. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are OPO and SFO. Related codes: OPO → SFO, OAK, SJC.
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
Porto airports and metro codes: OPO.
San Francisco airports and metro codes: SFO, OAK, SJC.
Alternative routes
Related searches include the reverse route San Francisco to Porto, other destinations from Porto, and other origins into San Francisco.
Frequently asked questions
How long is the flight from Porto to San Francisco?
Direct flights from Porto to San Francisco typically take about 12 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from Porto to San Francisco?
The great-circle distance between Porto and San Francisco is approximately 8,964 km. Flown distance can be longer depending on airways.
Which airports serve flights from Porto to San Francisco?
Porto is commonly searched with code OPO (related: OPO). San Francisco is commonly searched with code SFO (related: SFO, OAK, SJC).
Are there direct flights from Porto to San Francisco?
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 San Francisco to Porto?
The reverse city pair is San Francisco to Porto. Distance is the same great-circle measure (8,964 km); block time can differ with winds and schedules.
Which countries does the Porto to San Francisco route connect?
This route connects Portugal (Porto) with United States (San Francisco).
Related routes
- San Francisco to Porto
- Flights from Porto
- Flights to San Francisco
- Flights in Portugal
- Flights in United States
- New York to San Francisco
- Abu Dhabi to San Francisco
- Amsterdam to San Francisco
- Athens to San Francisco
- Atlanta to San Francisco
- Auckland to San Francisco
- Bangkok to San Francisco
- Barcelona to San Francisco
- Porto airport (OPO)
- San Francisco airport (SFO)