Question : How long do most people visit San Francisco?
Answer : Of course you're not most people, but if you were, you'd stay roughly 42 days.
Question : Do prices fluctuate more for this route than others?
Answer : Prices for this trip tend to change much more than other flights from Viet Nam. They can range anywhere from $771 to $3,001. Prices tend to be lower the further out you book.
Question : Which airline is offering the cheapest flight from HAN to SFO?
Answer : China Southern Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $771, while prices for other flights are as high as $3,001.
Question : Would you be willing to change your travel days if it saved you money?
Answer : The cheapest day to fly in May is Monday. Flexibility is paramount when booking travel plans in order to keep travel costs down.
Question : What day in the next four weeks has the best fares?
Answer : As of Apr 24th, the cheapest day to fly from Hanoi to San Francisco is May 8th. Tickets are currently being sold for $782, which is 36% below the average price for this route.