Cheap flights from South Korea to Sydney from $399

The month of March is, on average, the cheapest month to fly to Sydney from South Korea, with most prices found around $722. If you aren’t able to travel to Sydney during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $828.

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $634. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,240.

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from South Korea to Sydney in the evening for as low as $822. 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 afternoon when prices are $1,511 on average. Flights to Sydney from South Korea in the afternoon 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 South Korea - Sydney Kingsford Smith flight prices

You are more likely to see cheaper flights to Sydney from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $971 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 South Korea for as low as $795 on momondo.

There are 3 cabin classes available to choose from on South Korea to Sydney flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jetstar, Scoot, and Vietnam Airlines are the most popular carriers operating from South Korea to Sydney Kingsford Smith

Jetstar, Asiana Airlines and Trinity Airways are the top three most popular airlines that fly to Sydney from South Korea 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 24% of flights between South Korea and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 126 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.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Trinity Airways have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of September 2026, there are 12 flights per day flying from South Korea to Sydney. The most common time of day flights depart is 19:00, with 74% of flights taking off in the evening.

As of September 2026, 84 flights take off from South Korea and land in Sydney each week. The most common flight departure day for this route is Tue, with 15% of weekly flights taking off on this day.