Cheap Flights from Xi'an to San Francisco from $431

Frequently Asked Questions

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

  Based on Trip.com data, China Southern Airlines offers one-way fares as low as $431 on Cheapest nonstop routes (e.g. XIY to SFO on Fri, Oct 30), while China Southern Airlines offers Cheapest nonstop round-trips from $648 departing on Mon, Nov 9 and returning on Mon, Nov 16.

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

  At the moment, you can catch a nonstop flight from Xi'an to San Francisco with the following airlines, including: Korean Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Xi'an to San Francisco?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Xi'an to San Francisco 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 Xi'an to San Francisco?

  To find best deals on flights from Xi'an to San Francisco, 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 Fri, Oct 30, with one-way flights priced at just $431.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is China Southern Airlines.
  · 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 San Francisco travel is around July.
  · Get exclusive promo codes for Trip.com app users.

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

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

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

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Xi'an to San Francisco on October 26, 2026 with China Southern Airlines, with prices starting at $438.

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

  You can arrive at any of the following airports in San Francisco: San Francisco International Airport (SFO). Flights from Xi'an Xianyang International Airport to San Francisco International Airport (XIY-SFO) are by far the most popular option for this route.

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

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

• How do I change or cancel my ticket from Xi'an to San Francisco?

  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.

• What is the average cost of a one-way flight from Xi'an to San Francisco?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Xi'an to San Francisco is $756. Fares vary by travel date, airline and availability.

• How do I book flights from Xi'an to San Francisco on Trip.com?

  Enter Xi'an and San Francisco, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.