What’s the cost of a flight from Porto to San Francisco?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Porto and San Francisco.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports are most convenient between Porto and San Francisco?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Porto: Only Porto is currently active.
• Airports in San Francisco: San Francisco is the only functioning airport for now.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Adjust your flight filters for Porto – San Francisco

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to United States? These cities are popular too: Boston, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.