$234 Cheap Flights from Sydney (SYD) to Seoul (ICN)

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

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Find available prices by choosing your travel dates.

Cheap Flights from Sydney to Seoul (SYD-ICN)

Prices were available within the past 7 days and start at $234 for one-way flights and $424 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Jetstar
Xiamen Airlines
Scoot
Sichuan Airlines
T'Way Air
China Southern Airlines
China Eastern Airlines
Garuda Indonesia
Cathay Pacific
Flights from Sydney (SYD) to Seoul (ICN)
Origin airport
Kingsford Smith Intl.
Destination airport
Incheon Intl.
Airlines serving
APG Distribution System, Air China, Asiana Airlines, Batik air , Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Garuda Indonesia, Jetstar, Juneyao Airlines, Korean Air, Malaysia Airlines, Philippine Airlines, Scoot, Singapore Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$423
Distance
5182 mi

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 May. 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 $234 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 long does it take to fly from Mascot Airport to Seoul--Incheon Intl. Airport?
A direct flight with Asiana Airlines takes approximately 10 hours and 35 minutes. Grab a seat on the 9:30AM flight from Kingsford Smith Intl. Airport (SYD) and land at ICN at 7:05PM. Snag a fabulous deal on this route when you purchase your ticket with Expedia.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Incheon Airport last minute?
Being the spontaneous type is a wonderful way to see the world, but it’s not always the wisest way to land a bargain airfare. It’s better to book your Kingsford Smith Intl. Airport (SYD) to Incheon Intl. Airport (ICN) trip ahead of time instead of leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. We recommend saving that spontaneity for when you reach your destination!
What airline has the least delays from Mascot Airport to Incheon Airport?
If you don’t want to be stuck at the departure gate for hours — or worse, your vacation plans left in tatters due to a flight delay — fly with Asiana Airlines. Around 62% of its Sydney Airport to Incheon Airport services touch down on time. You can review your flight status before setting out for the airport through the Expedia App. It’ll also give you real-time alerts about gate number changes and how to reach your hotel. Keep all the details in your pocket with this all-in-one travel companion.
What airports do you fly into for Seoul from Sydney?
With Incheon Intl. Airport (ICN), Gimpo Intl. Airport (GMP) and Suwon (SWU-Suwon Airbase) to pick from, traveling from Sydney to Seoul is simple. The city’s major hub, Incheon Intl. Airport (ICN), is about 30 mi west of the downtown area. Along with the price of tickets, consider things like the ease of getting from the airport and the distance to your hotel when choosing where to fly into. Get your Seoul vacation off to an exciting start by visiting Starfield COEX Mall and Lotte Outlets Seoul Station.
What are the most popular departure times for flights from Mascot Airport to Incheon Airport?
Between 7:00 AM - 8:00 AM is the busiest period for Korean Air flights departing from Kingsford Smith Intl. Airport (SYD) to ICN. Our handy tip? Book a trip that departs in the morning. With air traffic yet to build up around airports, your chances of jumping on a delay-free flight are better.
Can I change the date of my flight from Mascot Airport to Seoul--Incheon Intl. Airport?
Plans don’t always work out, so Expedia is here to help make amending your flight as easy as possible. First, find your Sydney Airport to Incheon Intl. Airport (ICN) itinerary through the Expedia Trips portal and look up the fare conditions about change fees or other charges. If you booked your ticket in the last 24 hours, some airlines will let you cancel without charge and book new flights. If you booked your fare more than 24 hours ago, connect with us via our Customer Service portal to see how we can help.

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