Cheap flights from San Francisco to Porto

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

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

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

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 San Francisco and Porto?

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

  • Airports in San Francisco: Only San Francisco is currently active.
  • Airports in Porto: Porto 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.

Flights from San Francisco to Porto

Plan your journey from San Francisco to Porto with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in Portugal? These cities are trending: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from San Francisco to Porto.

How much does an airline ticket from San Francisco to Porto cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from San Francisco to Porto.

How far is San Francisco from Porto?

San Francisco is about 5570 mi from Porto.

What are the airports in Porto?

Porto has one airport: Porto.

What are the airports in San Francisco?

San Francisco has one airport: San Francisco.

What are the most popular cities in Portugal?

The most popular cities in Portugal according to our users' searches are: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

When should I book a flight from San Francisco to Porto?

This information is not available at the moment.

What is the cheapest month to fly from San Francisco to Porto?

This information is not available at the moment.

What is the most expensive month to fly from San Francisco to Porto?

This information is not available at the moment.

What is the best day of the week to fly from San Francisco to Porto?

This information is not available at the moment.