$208 Cheap Flights from Sydney (SYD) to Seoul (ICN)

Popular airlines from Sydney Airport (SYD) to Incheon Intl. Airport (ICN)

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Cheap Flights from Sydney to Seoul (SYD-ICN)

Prices were available within the past 7 days and start at $208 for one-way flights and $388 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Jetstar
Xiamen Airlines
Singapore Airlines
Vietnam Airlines
China Southern Airlines
China Eastern Airlines
Hainan Airlines
Vietjet Air
Air China

Find the cheapest month to fly from Sydney (SYD) to Seoul (ICN)

November is typically the cheapest month to fly

From $309 - $519 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Sydney (SYD) to Seoul (ICN)
Origin airport
Kingsford Smith Intl.
Destination airport
Incheon Intl.
Airlines serving
Air China, Air India, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Garuda Indonesia, Hong Kong Airlines, Jetstar, Juneyao Air, Korean Air, Malaysia Airlines, Philippine Airlines, Scoot, Singapore Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$388
Distance
5182 mi
Average flight time
9 hours 37 mins

Sydney to Seoul Flights

The cheapest times to fly from Sydney to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sydney to Seoul are during the month of March. You can find some of the cheapest flights from Sydney to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Seoul

Sunday is one of the best days to book for cheap flights from Sydney to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sydney to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sydney to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $208 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sydney to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sydney to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN) cost?
Cheap return flights from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN) start at $773. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Jetstar flight leaving SYD on July 31 2025 and touching down at ICN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SYD to ICN?
The cheapest flights from SYD to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN)?
You can fly direct from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN) with 5 carriers, including:

  • Asiana Airlines
  • Korean Air
  • TWay Air
  • Jetstar
  • Qantas

What is the cheapest airline that flies from SYD to ICN?
Journey from SYD to ICN with Jetstar. This carrier currently has the cheapest one-way ticket on this route, starting from $242. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SYD on July 28 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN)?
Every day on average, 3 direct flights take off from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN). Select the departure date that best suits your plans.
What are the most popular departure times for flights from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN)?
More passengers fly between SYD and ICN at 9 AM than at any other point in the day. Rather skip the crowds? Try choosing a quieter departure window and you could save on your fare as well.
What day of the week has the most flights from SYD to ICN?
If you jet off on a Monday, you'll get the biggest range of choices for flights from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN).
What is the earliest flight from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN)?
Catch the earliest flight at around 9:10AM UTC+11, leaving from Kingsford Smith Intl. Airport (SYD). You'll be in the air for around 10h 40m, landing at Incheon Intl. Airport (ICN) at approximately 5:50PM UTC+9.
How long does it take to fly from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN)?
It takes roughly 10 hours and 43 minutes to fly the 5,200 mi from SYD to ICN.
What airline has the least delays from SYD to ICN?
With 88% of journeys generally arriving on schedule, TWay Air has the best on-time performance for nonstop flights from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN). To monitor your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN)?
To reach Incheon Intl. Airport (ICN) on time, choose a flight that leaves from Kingsford Smith Intl. Airport (SYD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seoul from Kingsford Smith Intl. Airport (SYD)?
Explore your flight options from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN). This is the only airport in Seoul you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN) last-minute?
Holding off until just before your departure to book a flight from SYD to ICN generally means paying more. While it's possible to find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of scoring a bargain.
Is it cheaper to book a SYD to ICN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SYD to ICN flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN)?
If you booked your SYD to ICN flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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