Cheap flight from Udon Thani to Xi'an from CAD 595

Frequently Asked Questions

• What are the cheapest flights from Udon Thani to Xi'an (UTH-SIA)?

  Based on Trip.com data, Thai AirAsia offers one-way fares as low as CAD 150 on Cheapest nonstop routes (e.g. UTH to XIY on Mon, Oct 27), while Thai Lion Air offers Cheapest nonstop round-trips from CAD 595 departing on Wed, Sep 24 and returning on Sun, Sep 28.

• When is the best time to book flights from Udon Thani 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 Udon Thani 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 Udon Thani to Xi'an?

  To find best deals on flights from Udon Thani 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 Mon, Oct 27, with one-way flights priced at just CAD 150.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai AirAsia.
  · 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 January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Udon Thani (UTH) to Xi'an (SIA) the cheapest?

  The cheapest months to fly from Udon Thani to Xi'an is March, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Udon Thani to Xi'an on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Udon Thani to Xi'an on September 24, 2025 with Thai Lion Air, with prices starting at CAD 594.

• Is there any time difference between Udon Thani and Xi'an?

  The time difference between Xi'an and Udon Thani is 1h.

• How do I change or cancel my ticket from Udon Thani 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.