Cheap flights from Seoul to Sydney from $252

The month of March is, on average, the cheapest month to fly to Sydney from Seoul, with most prices found around $644. If you aren’t able to travel to Sydney during the month of March, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $688.

Our data shows that Thursday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $632. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $1,042.

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from Seoul to Sydney in the evening for as low as $760. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,629 on average. Flights to Sydney from Seoul in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Incheon Intl to Sydney Kingsford Smith for the best Seoul - Sydney Kingsford Smith flight prices

You are more likely to see cheaper flights to Sydney from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $860 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Seoul for as low as $737 on momondo.

You could potentially save up to 6% on your flight if you consider stops on a Seoul to Sydney flight.

As of April 2026, prices for Seoul to Sydney flights are approximately 28% more expensive when compared to flights at the same time last year.

China Eastern and Jetstar are the most popular carriers operating from Seoul to Sydney Kingsford Smith

Jetstar, Asiana Airlines and T'way Air are the top three most popular airlines that fly to Sydney from Seoul according to our data. Jetstar is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Historically, on average around 0% of flights between Seoul and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

11 flights are operational daily from Seoul to Sydney as of April 2026. The most popular departure time for this route is 19:00, with 100% of flights per day taking off in the evening.

78 flights are operational weekly from Seoul to Sydney as of April 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.