Cheap flights from Sydney to Seoul from $249

The cheapest month to fly to Incheon Intl Airport from Sydney is in May. Flight prices, which tend to average around $558, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of May, then departing from Sydney during the month June is also very affordable. Most momondo users find prices during this month for around $598.

The cheapest day to depart from Sydney to Incheon Intl Airport is on a Tuesday when prices can be found for as low as $754. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,057. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

In the morning is the cheapest time of day to fly from Sydney to Incheon Intl Airport when you can find flight prices for as low as $853. Flying to Incheon Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,372 on average. Flights to Incheon Intl Airport from Sydney in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Incheon Intl Airport from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $705 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Sydney for as low as $617 on momondo.

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

You could potentially save up to 28% on your flight if you consider stops on a Sydney to Incheon Intl Airport flight.

As of April 2026, prices for Sydney to Incheon Intl Airport flights are approximately 1% more expensive when compared to flights at the same time last year.

China Eastern and VietJet Air are the most popular carriers operating from Sydney Kingsford Smith to Incheon Intl

Jetstar, Asiana Airlines and T'way Air are the top three most popular airlines that fly to Incheon Intl Airport from Sydney according to our data. Jetstar is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 4 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 30% of flights between Sydney and Incheon 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 early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

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

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 22% of their flights experiencing any sort of delay.

As of April 2026, 10 flights take off from Sydney and land in Incheon Intl Airport each day. The most common flight departure time for this route is 7:00AM, with 100% of daily flights taking off at noon.

70 flights are operational weekly from Sydney to Incheon Intl Airport as of April 2026. The most popular departure day for this route is Sat, with 16% of flights per week taking off on this day.