Skip to main content
Beginning of main content

Cheap Flights from San Francisco to Porto $787.93

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

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

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

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

Question : What price range should you expect when booking from San Francisco (SFO) to Porto (OPO)?
Answer : Prices for this trip tend to fluctuate a lot more than other flights from the United States. They can vary anywhere from $699 to $4,154. Remember, the sooner you book, the more you'll be able to save.

Question : Can you cut down on flight costs by changing the day of the week you travel to Porto?
Answer : In May, Monday is your lowest-cost day to fly. Being flexible with your travel days garners even more savings during booking.

Question : In the next four weeks, what day should you book your trip?
Answer : As of Apr 24th, the best day for deals to Porto (OPO) is May 6th. It costs $797, which is 36% below this route's average price.

Question : What is the cheapest round-trip ticket you can get to Porto?
Answer : Flight prices are hitting highs of $4,154 over the next three months when flying to OPO from SFO. Check out Air France, as they have been booking customers at just $699.

Question : How long do most people visit Porto?
Answer : Of course you're not most people, but if you were, you'd stay roughly 13 days.