The month of January is another great option to travel to Xi'an, with average flight prices from United States averaging around $486.
Most flyers found that booking tickets 0 days in advance of their planned departure date is the best time to get cheap flights to Xi'an. During this timeframe, flight prices are around $737. Keep in mind that you might also find cheap flights to Xi'an outside of this time window. In fact, momondo users recently found flights from United States to Xi'an for $509.
The cheapest day to depart from United States to Xi'an is on a Friday. Travelers who choose to depart for Xi'an on a Friday will often find tickets for as low as $526. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $910. These prices are subject to change though, so be sure to set up any prices alerts for flights to Xi'an.
According to our data, the cheapest time of day to fly to Xi'an is in the afternoon. momondo users have found flights departing from United States to Xi'an in the afternoon for as low as $560. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Xi'an are more costly in the morning, with an average ticket price of $850. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.