$312 Cheap Flights from Sydney (SYD) to Seoul (GMP)

View $312 flight on Mon, Jan 12, 2026Opens in a new window

Popular airlines from Sydney Airport (SYD) to Gimpo Intl. Airport (GMP)

Cheap Flights from Sydney to Seoul (SYD-GMP)

Prices were available within the past 7 days and start at $312 for one-way flights and $580 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Sat, Nov 8 - Sat, Nov 15
SYD
Sydney
GMP
Seoul
$580 Roundtrip, found 4 days ago
$580
Roundtrip
found 4 days ago
Select Air China flight, departing Sat, Nov 8 from Sydney to Seoul, returning Sat, Nov 15, priced at $580 found 4 days ago
China Eastern Airlines
Tue, Nov 18 - Sun, Nov 23
SYD
Sydney
GMP
Seoul
$582 Roundtrip, found 2 days ago
$582
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Tue, Nov 18 from Sydney to Seoul, returning Sun, Nov 23, priced at $582 found 2 days ago
Air China
Thu, Mar 12 - Sat, Mar 28
SYD
Sydney
GMP
Seoul
$604 Roundtrip, found 4 days ago
$604
Roundtrip
found 4 days ago
Select Air China flight, departing Thu, Mar 12 from Sydney to Seoul, returning Sat, Mar 28, priced at $604 found 4 days ago
Air China
Tue, Mar 17 - Sat, Mar 28
SYD
Sydney
GMP
Seoul
$606 Roundtrip, found 4 days ago
$606
Roundtrip
found 4 days ago
Select Air China flight, departing Tue, Mar 17 from Sydney to Seoul, returning Sat, Mar 28, priced at $606 found 4 days ago
Air China
Sat, Nov 1 - Sat, Nov 8
SYD
Sydney
GMP
Seoul
$612 Roundtrip, found 4 days ago
$612
Roundtrip
found 4 days ago
Select Air China flight, departing Sat, Nov 1 from Sydney to Seoul, returning Sat, Nov 8, priced at $612 found 4 days ago
Air China
Thu, Nov 20 - Sun, Nov 30
SYD
Sydney
GMP
Seoul
$614 Roundtrip, found 6 days ago
$614
Roundtrip
found 6 days ago
Select Air China flight, departing Thu, Nov 20 from Sydney to Seoul, returning Sun, Nov 30, priced at $614 found 6 days ago
Air China
Sat, Nov 15 - Sat, Nov 22
SYD
Sydney
GMP
Seoul
$755 Roundtrip, found 4 days ago
$755
Roundtrip
found 4 days ago
Select Air China flight, departing Sat, Nov 15 from Sydney to Seoul, returning Sat, Nov 22, priced at $755 found 4 days ago
China Southern Airlines
Fri, Mar 13 - Sat, Mar 28
SYD
Sydney
GMP
Seoul
$799 Roundtrip, found 4 days ago
$799
Roundtrip
found 4 days ago
Select China Southern Airlines flight, departing Fri, Mar 13 from Sydney to Seoul, returning Sat, Mar 28, priced at $799 found 4 days ago
Qantas Airways
Mon, Nov 24 - Sun, Nov 30
SYD
Sydney
GMP
Seoul
$914 Roundtrip, found 1 day ago
$914
Roundtrip
found 1 day ago
Select Qantas Airways flight, departing Mon, Nov 24 from Sydney to Seoul, returning Sun, Nov 30, priced at $914 found 1 day ago
Japan Airlines
Tue, Mar 17 - Sat, Mar 28
SYD
Sydney
GMP
Seoul
$3,507 Roundtrip, found 4 days ago
$3,507
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Tue, Mar 17 from Sydney to Seoul, returning Sat, Mar 28, priced at $3,507 found 4 days ago

Alternative airports near Seoul

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

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $444
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $444

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to Gimpo Intl. Airport (GMP) cost?
Grab a cheap one-way flight from $312 or cheap return flight from $580 from Kingsford Smith Intl. Airport (SYD) to Gimpo Intl. Airport (GMP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Gimpo Intl. Airport (GMP)?
Flying in November may help you find better deals, as it's the cheapest month for flights between SYD and GMP. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Gimpo Intl. Airport (GMP)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from SYD to GMP. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Gimpo Intl. Airport (GMP)?
There are no daily nonstop flights available from Kingsford Smith Intl. Airport (SYD) to Gimpo Intl. Airport (GMP). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SYD to GMP?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Gimpo Intl. Airport (GMP)?
To touch down at Gimpo Intl. Airport (GMP) on time, book a flight that leaves 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)?
If you're flying on a direct flight from Kingsford Smith Intl. Airport (SYD) to Seoul, Incheon Intl. Airport (ICN) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Gimpo Intl. Airport (GMP) last-minute?
Last-minute bookings from SYD to GMP are usually more expensive. To secure the best rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel plans, you may find a cheap ticket right before you leave.
Is it cheaper to book a SYD to GMP flight and hotel package?
Securing a SYD to GMP flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Gimpo Intl. Airport (GMP)?
You can usually reschedule or cancel your SYD to GMP flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Gimpo Intl.
Airlines serving
Air China, Japan Airlines
Roundtrip price
$580
Distance
5181 mi

Book with confidence

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 November. 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 $312 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.

 

Sydney to Seoul Flights

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*Available to One Key members.