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Cheap Flights from Porto to San Francisco $571.66

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Cheapest Flights from Porto to San Francisco (OPO to SFO)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Porto to San Francisco (OPO to SFO)

Question : In the next four weeks, what day should you book your trip?
Answer : As of Feb 20th, the cheapest day to fly from Porto to San Francisco is Mar 5th. Tickets are currently being sold for $2,718, which is 11% below the average price for this route.

Question : How much should a trip from Porto (OPO) to San Francisco (SFO) cost?
Answer : Ranging anywhere from $646 to $3,360, prices for OPO to SFO do fluctuate much more than most routes from Portugal. The further out you book a route, the more likely you are to save.

Question : Over the coming months, which airline is getting their passengers to San Francisco International Airport (SFO) round-trip the cheapest?
Answer : American Airlines is the leader in keeping prices down for their passengers over the next three months. Bookings are being made at just $646 and, when compared to the more expensive bookings of $3,360, it's quite a deal.

Question : Do travelers from Porto typically stay in San Francisco for very long?
Answer : Over the next two months, passengers from OPO to SFO are planning on staying for 10 days on average.

Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The lowest-cost day to fly in March is Sunday. Flexibility is paramount when booking travel plans in order to keep travel costs down.