Cheap flights from Sydney to Chiang Mai from $281

The cheapest month to fly to Chiang Mai from Sydney is in May. Flight prices, which tend to average around $680, are often lower during this time because this is during the off-season. If you are unable to visit Chiang Mai during the month of May, then departing from Sydney during the month March is also very affordable. Most momondo users find prices during this month for around $686.

You are more likely to see cheaper flights to Chiang Mai from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $914 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from Sydney for as low as $782 on momondo.

You could potentially save up to 4% on your flight if you consider stops on a Sydney to Chiang Mai flight.

As of April 2026, prices for Sydney to Chiang Mai flights are approximately 13% cheaper when compared to flights at the same time last year.

Scoot and China Eastern are the most popular carriers operating from Sydney Kingsford Smith to Chiang Mai

Thai Airways, Malaysia Airlines and Scoot are the top three most popular airlines that fly to Chiang Mai from Sydney according to our data. Thai Airways is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Chiang Mai. Keep in mind that there are 6 different airlines that fly to Chiang Mai on a routine basis, so you have a few additional options to choose from.

Kuala Lumpur (KUL) was the most common stop: 37% of momondo users choosing one-stop flights on this route connected there.

Flights via Singapore (SIN) offer the lowest average return price of $707.

Flights connecting via Hong Kong (HKG) have the shortest average one-way travel time: 14h 00m.

Hong Kong (HKG) has the shortest average stopover time for this route: 3h 05m.