Cheap flights from San Francisco to Porto
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Check our current prices for flights from San Francisco to Porto. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from San Francisco to Porto, you will need to run a search below.
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Cheap Porto airfares from $1355/RT are provided by Cheapoair.com. Outbound flight is leaving on 05/20/2025, 04:20 pm from San Francisco Intl (SFO) airport and arrives at Porto (OPO) at 10:50 pm. The flight time is 6 hours and 30 minutes. The Returning flight departes on 05/28/2025, 04:00 pm (other return dates are also available). Date posted: 04 Feb 2025
Price evolution for flights From San Francisco To Porto

Recent Deals on Flights from San Francisco to Porto:Roundtrip / Oneway
- $1355
Tap Airways
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Porto, PT (OPO) 05/20/2025 04:20 pm Porto, PT (OPO) San Francisco, CA (SFO) 05/28/2025 04:00 pm - $1414
Swiss International Air Lines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Porto, PT (OPO) 05/20/2025 07:05 pm Porto, PT (OPO) San Francisco, CA (SFO) 05/28/2025 08:40 am - We are sorry but currently there are no oneway offers for flights from San Francisco to Porto.
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Know what to do when flying to Porto?
Porto Travel Guide Located on the right banks of the Douro River, with the closest cities Santa Maria and Vigo, Porto or Oporto, is especially well known for the famous wines produced here. Porto is located in a hilly area mainly cultivated with vineyards and [...]Porto History Porto History began during the Roman times in the 4th century when the first information about the place was known. It was called “Portu Cale” during that time and it was considered a significant port between Braga and Lisbon. Below [...]
Porto Sightseeing Porto Sights is a picture of the historical and cultural inclinations of its people. They also depict the beauty and splendor that the place may offer to every traveler. Great vacation ideas are reflected through the following tourist [...]
Porto Nightlife Porto is not a bore at all even at nighttime. From delectable cuisines offered in a variety of its restaurants to the danceable tunes played in its bars and nightclubs, Porto Nightlife is said to closely compete with Lisbon Nightlife and other [...]