Question : Looking for the cheapest flight over the next 30 days?
Answer : Since low prices are preferred, look at February 10th. As of January 16th, the cheapest ticket sales are coming in 57% below the average price for this route, so you can spend that extra cash on an adventure in Pisa.
Question : How many days should you spend in Pisa if you're flying in from San Francisco?
Answer : Of course you're not most people, but if you were, you'd stay roughly 12 days.
Question : Is price more important than specific travel days for you?
Answer : The cheapest day to fly in February is Thursday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Which airline is offering the cheapest round-trip flight from SFO to PSA?
Answer : Alitalia is your best bet for finding that coveted low fare.