Cheap Flights from Chiang Rai to Sydney from AU$ 334

Flight FAQs

• Which airlines offer the cheapest flights from Chiang Rai (CEI) to Sydney (SYD)?

  Based on Trip.com data, Scoot offers one-way fares as low as AU$ 334 on Cheapest nonstop routes (e.g. CEI to SYD on Sat, Mar 14), while Scoot offers Cheapest nonstop round-trips from AU$ 721 departing on Mon, Apr 6 and returning on Sun, Apr 12.

• Which airlines offer direct flights from Chiang Rai to Sydney?

  At the moment, you can catch a direct flight from Chiang Rai to Sydney 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 Chiang Rai to Sydney?

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

  To find best deals on flights from Chiang Rai to Sydney, 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, Mar 14, with one-way flights priced at just AU$ 334.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Scoot.
  · 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 Sydney travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Chiang Rai to Sydney to get the best price?

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

• Which upcoming date is the cheapest for flights from Chiang Rai to Sydney?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Chiang Rai to Sydney on March 17, 2026 with Scoot, with prices starting at AU$ 321.

• Which airports can I fly through when travelling to Sydney from Chiang Rai?

  You can land at any one of the following hubs in Sydney, with Mae Fah Luang - Chiang Rai International Airport to Sydney Airport (CEI-SYD) is by far the most common option on this route: Sydney Airport (SYD).

• What is the time difference between Chiang Rai and Sydney?

  The time difference between Sydney and Chiang Rai is 3h.

• How can I change or cancel my flight ticket from Chiang Rai to Sydney?

  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.