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 22% below the average price for this route, so you can spend that extra money on a fun experience in San Francisco.
Question : How long do most people stay in San Francisco when they fly in from Hanoi?
Answer : Travelers from HAN to SFO stay 15 days on average.
Question : Is price more important than specific travel days for you?
Answer : The cheapest day to fly in February is Monday. 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 this trip tend to change much more than others. The further out you book a route, the more likely you are to save.