335 € Cheap Flights from Incheon International to Sydney

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Flight deals from Incheon International to Sydney

Looking for a cheap last-minute deal or the best return flight from Incheon International to Sydney? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Incheon International to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Sydney flights are currently cheapest in April.

Direct flights from Incheon International to Sydney

Incheon International to Sydney: Alternative routes

Compare routes from Incheon International to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Seoul to Sydney: Flight information

The things to know before you go.
Cheapest flight found335 €
Cheapest month to flyJune
Average flight time10 hrs, 20 mins
Most popular airlineMIAT Mongolian Airlines
Average flights per week62

Finding cheap flights from Incheon International to Sydney: Frequently asked questions

The best price we found for a return flight from Incheon International to Sydney is 335 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 20 minutes is the average flight time from Incheon International to Sydney.
MIAT Mongolian Airlines, KLM and Air France fly direct from Incheon International to Sydney.
As of September 2025, there are 62 flights per week flying from Incheon International to Sydney.
The cheapest month to fly from Incheon International to Sydney is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Sydney Airport on Monday, 1 June 2026.
Yes – the average flight time is 10 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Jetstar offers the cheapest flight tickets to Sydney.

Travelling from Incheon International Airport (ICN) to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • The average time for a direct flight from Incheon International Airport to Sydney (Kingsford Smith) Airport is 10 hours 35 minutes.

  • The timezone in Sydney is UTC+11, which is two hours ahead of Seoul.

  • Flights from ICN to SYD start from 18:45 — the earliest with Korean Air. The latest departure is at 22:10 with T'Way Air. In total, you can choose from 36 weekly Incheon International Airport to Sydney (Kingsford Smith) Airport flights.

  • To ensure you catch your ICN to SYD flight, leave plenty of time to check in and drop off your luggage. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Travelling during a peak month such as July? Public holidays and other popular periods can mean longer queues and delays at airport checkpoints. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • There are direct flights from Incheon International Airport to Sydney (Kingsford Smith) Airport, so getting to Sydney (and then exploring more of Australia!) is a breeze. Popular airlines that fly nonstop include:

  • Jetstar is the airline most travellers choose for this route.

  • The carrier with the top on-time arrival rate for ICN to SYD flights is Korean Air.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from Incheon International Airport to Sydney (Kingsford Smith) Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to tour your chosen city. Some great stopovers between ICN and SYD include:

    • Taiwan Taoyuan International Airport

    • Hong Kong International Airport

    • Shanghai Pudong International Airport

How to find the cheapest flights from Incheon International Airport (ICN) to Sydney (Kingsford Smith) Airport (SYD)

  • Currently, 141 € is the cheapest price we've seen for a one-way Incheon International Airport to Sydney (Kingsford Smith) Airport flight. The best price for a return plane ticket is 335 €. Remember that fares may change due to availability when booking.

  • Get cheap tickets from ICN to SYD by booking at least seven months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • Schedule your trip for June. That's the cheapest month for flights from Incheon International Airport to Sydney (Kingsford Smith) Airport. If you're flexible with your dates, try out the 'Whole month' tool to find the cheapest price across every month.

  • Landing cheap flights from ICN to SYD is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when a lower fare pops up.

  • Select your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Incheon International Airport to Sydney (Kingsford Smith) Airport.

Handy information about Incheon International Airport (ICN)

  • 54.5% of flights that depart Incheon International Airport make it to their destination on schedule.

  • To discover the best way to travel from central Seoul to Incheon International Airport, use navigation tools like Google Maps. The airport is approximately 48 kilometres from the city centre.

  • Expect a journey time of around 1 hour 45 minutes on public transport.

  • Have an early flight from Incheon International Airport to Sydney (Kingsford Smith) Airport? Avoid rushing to the terminal (and catch some extra z's) by picking one of these stays close to ICN:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

  • The last thing you want is a lengthy journey to your hotel if you're landing late on an Incheon International Airport to Sydney (Kingsford Smith) Airport flight. Reserve one of these accommodation options near SYD instead:

  • Go wherever you want, whenever you want with a Sydney (Kingsford Smith) Airport rental car. Book your wheels from simba car hire, Bargain Car Rentals or Yes Drive and find adventure across Sydney and beyond.

  • Get the best deal by booking your vehicle from Sydney (Kingsford Smith) Airport about two weeks in advance of your trip.

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • Sydney (Kingsford Smith) Airport to central Sydney has a drive time of about 20 minutes. It's approximately 18 kilometres away.

  • It typically takes 25 minutes if you're using public transport.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

  • April is the most popular month for flights from Incheon International Airport to Sydney (Kingsford Smith) Airport. For a quieter experience, head to Sydney in April.

  • Book your flight from Incheon International Airport to Sydney (Kingsford Smith) Airport for January if you want to go to Sydney during its warmest month. Expect temperatures of between 17ºC (63ºF) and 32ºC (90ºF).

  • For cooler conditions, look for a cheap ticket from ICN to SYD in July. Temperatures average between 5ºC (41ºF) and 19ºC (66ºF) then.

Explore more of Australia

  • You've done Sydney, now it's time to explore more of Australia. Travel about 241 kilometres south-west to Canberra to check off its popular sights. From Australian War Memorial to National Gallery of Australia and Parliament House, you'll have a full itinerary ahead.

  • Around 121 kilometres north-east of Sydney, Newcastle is another favourite stop in Australia. Experience major highlights starting with Newcastle Beach, Nobbys Beach and Merewether Beach.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.