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Cheap Flights from Seoul to Sydney

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Compare Incheon International to Sydney flight deals

Find the cheapest month or even day of the year to fly 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.
Sydney.$490 per passenger.Departing Tue, 13 May, returning Sun, 25 May.Return flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Incheon International on Tue, 13 May, arriving in Sydney.Inbound indirect flight with AirAsia X, departs from Sydney on Sun, 25 May, arriving in Incheon International.Price includes taxes and charges.From $490, select.
Sydney.$491 per passenger.Departing Thu, 12 Jun, returning Thu, 19 Jun.Return flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Incheon International on Thu, 12 Jun, arriving in Sydney.Inbound indirect flight with AirAsia X, departs from Sydney on Thu, 19 Jun, arriving in Incheon International.Price includes taxes and charges.From $491, select.
Sydney.$491 per passenger.Departing Sat, 17 May, returning Thu, 5 Jun.Return flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Incheon International on Sat, 17 May, arriving in Sydney.Inbound indirect flight with AirAsia X, departs from Sydney on Thu, 5 Jun, arriving in Incheon International.Price includes taxes and charges.From $491, select.
Sydney.$493 per passenger.Departing Fri, 11 Apr, returning Tue, 22 Apr.Return flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Incheon International on Fri, 11 Apr, arriving in Sydney.Inbound indirect flight with AirAsia X, departs from Sydney on Tue, 22 Apr, arriving in Incheon International.Price includes taxes and charges.From $493, select.
Sydney.$495 per passenger.Departing Thu, 14 Aug, returning Tue, 26 Aug.Return flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Incheon International on Thu, 14 Aug, arriving in Sydney.Inbound indirect flight with AirAsia X, departs from Sydney on Tue, 26 Aug, arriving in Incheon International.Price includes taxes and charges.From $495, select.
Sydney.$495 per passenger.Departing Tue, 1 Jul, returning Thu, 17 Jul.Return flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Incheon International on Tue, 1 Jul, arriving in Sydney.Inbound indirect flight with AirAsia X, departs from Sydney on Thu, 17 Jul, arriving in Incheon International.Price includes taxes and charges.From $495, select.
Sydney.$495 per passenger.Departing Wed, 29 Oct, returning Sun, 9 Nov.Return flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Incheon International on Wed, 29 Oct, arriving in Sydney.Inbound indirect flight with AirAsia X, departs from Sydney on Sun, 9 Nov, arriving in Incheon International.Price includes taxes and charges.From $495, select.
Sydney.$496 per passenger.Departing Mon, 23 Jun, returning Sun, 2 Nov.Return flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Incheon International on Mon, 23 Jun, arriving in Sydney.Inbound indirect flight with AirAsia X, departs from Sydney on Sun, 2 Nov, arriving in Incheon International.Price includes taxes and charges.From $496, select.

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 May.
Mar
from $585
Apr
from $493
May
from $490
Jun
from $491
Jul
from $495
Aug
from $495
Sep
from $527
Oct
from $601
Nov
from $502
Dec
from $677
Jan
from $803
Feb
from $660

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 found$490
Cheapest month to flyMay
Average flight time10 hrs, 21 mins
Most popular airlineQantas
Average flights per week61

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 $490. 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 21 minutes is the average flight time from Incheon International to Sydney.
Qantas, Asiana Airlines and Etihad Airways fly direct from Incheon International to Sydney.
As of March 2025, there are 61 flights per week flying from Incheon International to Sydney.
The cheapest month to fly from Incheon International to Sydney is usually March 2025.
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 Tuesday, 13 May 2025.
Yes – the average flight time is 10 hours and 21 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, AirAsia X and Jetstar offer the cheapest flight tickets to Sydney.

Flying 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 33 minutes. Sydney's timezone is UTC+11, making Sydney 2 hours ahead of Seoul.

  • Each week, there are 36 flights from Incheon International Airport to Sydney (Kingsford Smith) Airport. The first departure from ICN to SYD is at 07:55 and the last is at 22:10.

  • Travelling during a popular month like July? School holidays and other popular periods can mean longer queues at check-in and security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

  • A number of airlines offer direct flights from Incheon International Airport to Sydney (Kingsford Smith) Airport, so getting to Sydney (and then seeing more parts of Australia!) is easy. Leading carriers travelling between ICN and SYD include:

  • We make it a piece of cake to book a flight with a stopover. To see your options for flights from Incheon International Airport to Sydney (Kingsford Smith) Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Some popular stopovers between ICN and SYD are:

    • Shanghai Pudong International Airport

    • Hong Kong International Airport

    • Taiwan Taoyuan International Airport

  • Before organising your cheap ticket from ICN to SYD, check whether you need a visa to enter Australia. Travel document and visa requirements may vary and are updated often. To get the latest information, get in touch with the nearest consulate or embassy of the country you're travelling to.

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

  • $236 is the best price for a one-way ticket from Incheon International Airport to Sydney (Kingsford Smith) Airport. Return flights start at $490. These prices can change based on demand.

  • Get cheap flight tickets from ICN to SYD by booking 10 months ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • The cheapest month for tickets from Incheon International Airport to Sydney (Kingsford Smith) Airport is June. Use the 'Whole month' tool to find the lowest airfares if you have a flexible travel schedule.

  • Set up a Price Alert for cheap flight tickets from ICN to SYD. You don't need to search every day to find out if prices have fallen. We'll update you the moment the price changes.

  • Tailor your flights with filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Incheon International Airport to Sydney (Kingsford Smith) Airport.

Handy information about Incheon International Airport (ICN)

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

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

Arriving at Sydney (Kingsford Smith) Airport (SYD)

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

  • Sydney (Kingsford Smith) Airport is approximately 18 kilometres from central Sydney. With your own car rental or if you're catching a cab, the drive is around 21 minutes.

  • Getting to the centre by public transport typically takes 27 minutes.

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

  • It's time to work out your trip dates for your flight from Incheon International Airport to Sydney (Kingsford Smith) Airport. July is the most popular month to visit Sydney. If you like a more low-key vibe, go in April.

  • The warmest month in Sydney is January, with the temperature ranging between 17ºC and 32ºC. Lock in your flights from Incheon International Airport to Sydney (Kingsford Smith) Airport in this month if this is the type of weather you enjoy.

  • Search for cheap flight tickets from ICN to SYD in July if you like cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC and 19ºC on average.

More about Sydney

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in Sydney right here. Explore these options once you've locked in your flight from ICN to SYD:

  • There are so many things to do and see in this city it can be hard to figure out where to start. Winston Hills Lions Park, Rumsey Rose Garden and Westmead Hospital: Emergency Room are top sights which should feature on any good Sydney itinerary.

Complete your Sydney trip with hotels and a car rental

  • We don't just compare flights. Once you've booked your cheap ticket to Sydney (Kingsford Smith) Airport, check out our great car rental offers that'll give you the flexibility to see the sights at your own pace. Next, take a look at our exclusive rates for hotels to find your perfect Sydney stay.

Plan the rest of your trip from Seoul to Sydney

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