Cheapflights Tip: The best prices from Incheon Intl to Sydney Kingsford Smith are usually found in March or May, booked 70 days in advance, depart on a Thursday or Tuesday and return on a Monday
Find flight deals from Incheon Intl to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 August 2026.
Popular in
January
Cheapest in
March
Average price
£494
Good one-way deal
£249 or less
Highest demand for flights based on searches. 20% potential increase in price (£95 potential increase over avg. return price).
Best time to book a flight from Incheon Intl to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Incheon Intl with our price prediction graph.
ICN-SYD
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Incheon Intl Airport to Sydney
Prices
Airlines
Delays
How far ahead should I book a flight from Incheon Intl Airport to Sydney?
The best time to book flights from Incheon Intl Airport to Sydney is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Incheon Intl Airport to Sydney?
Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of £363). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of £673). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ICN to SYD?
Find hourly flight availability from Incheon Intl to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 August 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Incheon Intl Airport to Sydney as you normally would.
Weekly flight availability from Incheon Intl Airport to Sydney
Explore weekly flight availability from Incheon Intl to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 August 2026.
The most flights from ICN to SYD are scheduled on a Thursday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).
How often are flights from Incheon to Sydney delayed?
About 26% of weekly flights between Incheon and Sydney have experienced delays in the past year, with the average delay time being 128 minutes.
What is the most punctual flight time for Incheon to Sydney flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to Sydney flights?
Over the past year, T'way Air have had the lowest number of delays on this route, with just 18% of flights being delayed.
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 25 August 2026.
Check out reviews from past customers who have flown with Jetstar from Incheon Intl Airport to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Wonderful crew, good inflight menu. Boarding and airport procedures are a bit chaotic.
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Sydney from Incheon Intl?
Located just 4.6 mi from the city center, Sydney Kingsford Smith is the airport most travelers will use when flying to Sydney from Incheon Intl. Booking flights from Incheon Intl to Kingsford Smith (SYD) should be relatively easy as there are 11 daily inbound flights from Incheon Intl from 1 airline.
What is the cheapest airline to fly from Incheon Intl Airport to Sydney round-trip?
Currently priced at £167, Jetstar will fly you from Incheon Intl Airport to Sydney and back. In addition to Jetstar, many other airlines offer competitively priced options for your trip. This flight start at 67% lower than the current average price 3 months from now.
What are the most reliable airlines from Incheon Intl Airport to Sydney?
Consider T'way Air (95%), Etihad Airways (79%) or Turkish Airlines (79%) when booking your flight. These represent the most reliable airlines when flying from Incheon Intl Airport to Sydney.
Can I find deals for flights from Incheon Intl to Sydney that include hotel bookings?
Yes. In addition to deals on Incheon Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Incheon Intl to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Sydney.
Can I find deals for business class flights from Incheon Intl to Sydney?
Yes. Cheapflights offers flight deals from Incheon Intl to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Incheon Intl Airport to Sydney?
Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of £363). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of £673). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Browse through other flights departing from Incheon Intl. Flights are based on user searches made on Cheapflights and were last updated on 25 August 2026.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 25 August 2026.
Discover the top airline that operate flights from Incheon Intl to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 25 August 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Incheon Intl to Sydney?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Incheon Intl to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Sydney?
Cheapflights simply makes it quick and affordable to book flights from Incheon Intl to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Incheon Intl to Sydney with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Incheon Intl to Sydney, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Incheon Intl to Sydney become cheaper?
Not ready to book yet? You can track prices for flights from Incheon Intl to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.
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