Question : Looking for the cheapest flight over the next 30 days?
Answer : Since low prices are preferred, look at February 3rd. As of January 16th, the cheapest ticket sales are coming in 53% below the average price for this route, so you can spend that extra money on a fun experience in Porto.
Question : Is there another local airport that can get you to Porto?
Answer : San Francisco International Airport is a terrific airport, but there is a cheaper option - Metropolitan Oakland International Airport. It's just 12 miles away, and flights are 64% cheaper over the next few months.
Question : Do travelers from San Francisco typically stay in Porto for very long?
Answer : Passengers from SFO to OPO stay eight days on average.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The best day to fly on a budget this month is Sunday. Being flexible with your travel days garners you even more savings during your booking.
Question : Are prices changing frequently for this route?
Answer : Prices for SFO to OPO do change much more than most. However, the sooner you book, the better price you tend to get.