Cheap flights from Sydney to South Korea from $420

In general, February is the cheapest month to fly from Sydney to South Korea. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $765. If you don’t want to visit South Korea in February, then you should wait until November to fly from Sydney, when ticket prices are also cheap, with an average price of $868.

The cheapest day to depart from Sydney to South Korea is on a Tuesday when prices can be found for as low as $1,166. The most expensive day to fly to South Korea is Friday, with ticket prices averaging around $1,353.

Our most recent data shows that the best time of day to fly to South Korea is in the morning. Flights from Sydney to South Korea during this time can be as low as $1,226. In the evening is when there is more demand to fly to South Korea, so prices are often more expensive at around $1,544 per ticket.

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

You are more likely to see cheaper flights to South Korea from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,072 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Sydney for as low as $941 on momondo.

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

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

Jetstar, Asiana Airlines and T'way Air are the top three most popular airlines that fly to South Korea from Sydney according to our data. Jetstar is the first choice among our users, with 37% of people opting to fly with this airline when travelling to South Korea. Keep in mind that there are 15 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

Historically, on average around 31% of flights between Sydney and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 117 minutes.

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

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

According to our data, Korean Air have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

As of September 2026, 10 flights take off from Sydney and land in South Korea each day. The most common flight departure time for this route is 07:00, with 80% of daily flights taking off at midday.

As of September 2026, 74 flights take off from Sydney and land in South Korea each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.