Cheap Flights from Washington D.C. to Xi'an from $746

Frequently Asked Questions

• Which airlines offer flights from Washington D.C. to Xi'an?

  At the moment, several airlines serve connecting flights from Washington D.C. to Xi'an, including: Korean Air Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Washington D.C. to Xi'an?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Xi'an is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Washington D.C. to Xi'an?

  To find best deals on flights from Washington D.C. to Xi'an, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Apr 11, with one-way flights priced at just $746.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Korean Air.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Xi'an travel is around November.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Washington D.C. (WAS) to Xi'an (SIA) the cheapest?

  The cheapest months to fly from Washington D.C. to Xi'an is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Washington D.C. to Xi'an on?

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Washington D.C. to Xi'an on February 19, 2026 with Korean Air, with prices starting at $1,333.

• Which airports can I fly to for Xi'an from Washington D.C.?

  You can land at any one of the following hubs in Xi'an, with Dulles International Airport to Xi'an Xianyang International Airport (IAD-XIY) is by far the most common option on this route: Xi'an Xianyang International Airport (XIY).

• Is there any time difference between Washington D.C. and Xi'an?

  The time difference between Xi'an and Washington D.C. is 13h.

• How do I change or cancel my ticket from Washington D.C. to Xi'an?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.