Cheap Flights from Sydney to Udon Thani from AU$ 364

Flight FAQs

• Which airlines offer the cheapest flights from Sydney (SYD) to Udon Thani (UTH)?

  Based on Trip.com data, Jetstar Airways offers one-way fares as low as AU$ 364 on Cheapest nonstop routes (e.g. SYD to UTH on Wed, Mar 18), while Bangkok Airways offers Cheapest nonstop round-trips from AU$ 1,032 departing on Sun, Mar 15 and returning on Sun, Mar 22.

• Which airlines offer direct flights from Sydney to Udon Thani?

  At the moment, you can catch a direct flight from Sydney to Udon Thani with the following airlines, including: Thai Airways 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 Sydney to Udon Thani?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sydney to Udon Thani 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 Sydney to Udon Thani?

  To find best deals on flights from Sydney to Udon Thani, 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 Wed, Mar 18, with one-way flights priced at just AU$ 364.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jetstar Airways.
  · 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 Udon Thani travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Sydney to Udon Thani to get the best price?

  The cheapest months to fly from Sydney to Udon Thani is September, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Sydney to Udon Thani?

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Sydney to Udon Thani on February 24, 2026 with Bangkok Airways, with prices starting at AU$ 1,060.

• Which airports can I fly through when travelling to Udon Thani from Sydney?

  You can land at any one of the following hubs in Udon Thani, with Sydney Airport to Udon Thani International Airport (SYD-UTH) is by far the most common option on this route: Udon Thani International Airport (UTH).

• What is the time difference between Sydney and Udon Thani?

  The time difference between Udon Thani and Sydney is 3h.

• How can I change or cancel my flight ticket from Sydney to Udon Thani?

  Tickets can only be changed or cancelled 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.