Cheap flights from Incheon Intl Airport to Australia from $278

In general, March is the cheapest month to fly from Incheon Intl Airport to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $726. If you don’t want to visit Australia in March, then you should wait until June to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $877.

On average, the least expensive day to fly to Australia from Incheon Intl Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $623. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Incheon Intl Airport to Australia on a Saturday will generally be more expensive and average around $1,358. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Australia is in the evening. momondo users have found flights departing from Incheon Intl Airport to Australia in the evening for as low as $814. 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 Australia are more costly in the afternoon, with an average ticket price of $1,572. 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 Incheon Intl - Australia flight prices

You are more likely to see cheaper flights to Australia from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,001 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Incheon Intl Airport for as low as $808 on momondo.

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

Jetstar, AirAsia, and Scoot are the most popular carriers operating from Incheon Intl to Australia

Jetstar, Korean Air and Qantas Airways are the top three most popular airlines that fly to Australia from Incheon Intl Airport according to our data. Jetstar is the first choice among our users, with 30% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 7 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Incheon and Australia have experienced a delay on any given week. The average delay length over the past 12 months has been 129 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.

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

According to our data, Trinity Airways (Formerly T'way Air) have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

17 flights are operational daily from Incheon Intl Airport to Australia as of October 2026. The most popular departure time for this route is 21:00, with 86% of flights per day taking off in the evening.

The number of flights available between Incheon Intl Airport and Australia is 123 per week as of October 2026. The most frequent departure day is Sat, with 18% of weekly flights leaving on this day.