Cheap Flights from San Francisco to Xi'an from $441

Frequently Asked Questions

• What are the cheapest flights from San Francisco to Xi'an (SFO-SIA)?

  Based on Trip.com data, Cathay Pacific offers one-way fares as low as $441 on Cheapest nonstop routes (e.g. SFO to XIY on Thu, Feb 26), while Cathay Pacific offers Cheapest nonstop round-trips from $730 departing on Mon, Mar 9 and returning on Mon, Mar 16.

• Which airlines offer flights from San Francisco to Xi'an?

  At the moment, several airlines serve connecting flights from San Francisco to Xi'an, including: China Eastern Airlines Asiana Airlines Air China Cathay Pacific United Airlines 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 San Francisco 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 San Francisco 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 San Francisco to Xi'an?

  To find best deals on flights from San Francisco 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 Thu, Feb 26, with one-way flights priced at just $441.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cathay Pacific.
  · 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 December.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Francisco (SFO) to Xi'an (SIA) the cheapest?

  The cheapest months to fly from San Francisco to Xi'an is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Francisco to Xi'an on?

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from San Francisco to Xi'an on February 18, 2026 with Cathay Pacific, with prices starting at $864.

• Which airports can I fly to for Xi'an from San Francisco?

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

• Is there any time difference between San Francisco and Xi'an?

  The time difference between Xi'an and San Francisco is 16h.

• How do I change or cancel my ticket from San Francisco 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.