Question : What day in the next four weeks has the best fares?
Answer : Since low prices are preferred, look at February 15th. As of January 16th, the cheapest ticket sales are coming in 24% below the average price for this route, so you can spend that extra money on an adventure in Xian.
Question : How many days should you spend in Xian if you're flying in from Los Angeles?
Answer : Of course you're not most people, but if you were, you'd stay roughly 35 days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : In February, Friday is your lowest-cost day to fly. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : How often are prices changing for this route?
Answer : Prices for this trip tend to fluctuate a lot more than others. Prices tend to be lower the further out you book.