From most locations, the cheapest flights to Xi'an can be found during the month of September; however great deals can be found at other times.
In general, most flyers find the cheapest time to book a flight to Xi'an is about 43 days prior.
On average, the cheapest flights to Xi'an are found when departing on a Tuesday. Try to avoid departing on a Wednesday, as this is usually the most expensive day.
In general, when looking for the cheapest flight to Xi'an, our data indicates that afternoon flights are the most cost-effective. evening flights tend to be the most expensive.