Cheap flights from Seoul to Sydney from $205

In general, March is the cheapest month to fly from Seoul to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $453. If you are unable to visit Sydney during the month of March, then departing from Seoul during the month May is also very affordable. Most momondo users find prices during this month for around $467.

The cheapest day to depart from Seoul to Sydney is on a Wednesday when prices can be found for as low as $581. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $857.

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 $690. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $859. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $609 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Seoul for as low as $529 on momondo.

There are 2 cabin classes available to choose from on Seoul to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Seoul to Sydney.

As of February 2026, prices for Seoul to Sydney flights are approximately 14% more expensive when compared to flights at the same time last year.

China Eastern, Jetstar, and T'way Air are the most popular carriers operating from Seoul to Sydney Kingsford Smith

Jetstar, Asiana Airlines and Korean 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 65% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 4 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 in the evening have, in the past, seen delays more frequently in comparison.

Hong Kong (HKG) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via Singapore (SIN) offer the lowest average round-trip price of $798.

Flights connecting via Hong Kong (HKG) have the shortest average one-way travel time: 14h 30m.

Hong Kong (HKG) has the shortest average layover time for this route: 1h 25m.

As of February 2026, there are 11 flights per day flying from Seoul to Sydney. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

The number of flights available between Seoul and Sydney is 82 per week as of February 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.