$243 Cheap Flights from Jeju (CJU) to Sydney (SYD)

View $243 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from Jeju Intl. Airport (CJU) to Sydney Airport (SYD)

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Cheap Flights from Jeju to Sydney (CJU-SYD)

Prices were available within the past 7 days and start at $243 for one-way flights and $742 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Fri, Nov 14 - Mon, Nov 24
CJU
Jeju City
SYD
Sydney
$742 Roundtrip, found 2 days ago
$742
Roundtrip
found 2 days ago
Select Scoot flight, departing Fri, Nov 14 from Jeju City to Sydney, returning Mon, Nov 24, priced at $742 found 2 days ago
Scoot
Fri, Nov 14 - Mon, Nov 24
CJU
Jeju City
SYD
Sydney
$762 Roundtrip, found 2 days ago
$762
Roundtrip
found 2 days ago
Select Scoot flight, departing Fri, Nov 14 from Jeju City to Sydney, returning Mon, Nov 24, priced at $762 found 2 days ago
Scoot
Fri, Nov 14 - Mon, Nov 24
CJU
Jeju City
SYD
Sydney
$776 Roundtrip, found 2 days ago
$776
Roundtrip
found 2 days ago
Select Scoot flight, departing Fri, Nov 14 from Jeju City to Sydney, returning Mon, Nov 24, priced at $776 found 2 days ago
Scoot
Fri, Nov 14 - Mon, Nov 24
CJU
Jeju City
SYD
Sydney
$796 Roundtrip, found 2 days ago
$796
Roundtrip
found 2 days ago
Select Scoot flight, departing Fri, Nov 14 from Jeju City to Sydney, returning Mon, Nov 24, priced at $796 found 2 days ago
Juneyao Air
Thu, Jan 1 - Mon, Jan 19
CJU
Jeju City
SYD
Sydney
$860 Roundtrip, found 2 days ago
$860
Roundtrip
found 2 days ago
Select Juneyao Air flight, departing Thu, Jan 1 from Jeju City to Sydney, returning Mon, Jan 19, priced at $860 found 2 days ago
Scoot
Tue, Jan 13 - Tue, Jan 20
CJU
Jeju City
SYD
Sydney
$860 Roundtrip, found 2 days ago
$860
Roundtrip
found 2 days ago
Select Scoot flight, departing Tue, Jan 13 from Jeju City to Sydney, returning Tue, Jan 20, priced at $860 found 2 days ago
Air China
Thu, Jan 1 - Mon, Jan 19
CJU
Jeju City
SYD
Sydney
$881 Roundtrip, found 2 days ago
$881
Roundtrip
found 2 days ago
Select Air China flight, departing Thu, Jan 1 from Jeju City to Sydney, returning Mon, Jan 19, priced at $881 found 2 days ago
Scoot
Thu, Jan 1 - Mon, Jan 19
CJU
Jeju City
SYD
Sydney
$896 Roundtrip, found 2 days ago
$896
Roundtrip
found 2 days ago
Select Scoot flight, departing Thu, Jan 1 from Jeju City to Sydney, returning Mon, Jan 19, priced at $896 found 2 days ago
Asiana Airlines
Thu, Jan 1 - Mon, Jan 19
CJU
Jeju City
SYD
Sydney
$1,088 Roundtrip, found 2 days ago
$1,088
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Thu, Jan 1 from Jeju City to Sydney, returning Mon, Jan 19, priced at $1,088 found 2 days ago
Singapore Airlines
Tue, Jan 13 - Tue, Jan 20
CJU
Jeju City
SYD
Sydney
$1,214 Roundtrip, found 2 days ago
$1,214
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Tue, Jan 13 from Jeju City to Sydney, returning Tue, Jan 20, priced at $1,214 found 2 days ago
Flights from Jeju (CJU) to Sydney (SYD)
Origin airport
Jeju Intl.
Destination airport
Kingsford Smith Intl.
Roundtrip price
$741
Distance
4926 mi

Jeju to Sydney Flights

The cheapest times to fly from Jeju to Sydney

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 Jeju to Sydney are during the month of November. You can find some of the cheapest flights from Jeju to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Jeju to Sydney

Sunday is one of the best days to book for cheap flights from Jeju to Sydney: 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 Jeju to Sydney

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 Jeju to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $243 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 Jeju to Sydney 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 Jeju to Sydney 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 Jeju Intl. Airport (CJU) to Kingsford Smith Intl. Airport (SYD) cost?
Snag a cheap one-way flight from $243 or cheap return flight from $742 from Jeju Intl. Airport (CJU) to Kingsford Smith Intl. Airport (SYD) 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 Jeju Intl. Airport (CJU) to Kingsford Smith Intl. Airport (SYD)?
The cheapest month to fly from CJU to SYD is November, when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Jeju Intl. Airport (CJU) to Kingsford Smith Intl. Airport (SYD)?
To find the cheapest airline that'll fly you from CJU to SYD, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Jeju Intl. Airport (CJU) to Kingsford Smith Intl. Airport (SYD)?
You'll need to book a flight with a layover when traveling from Jeju Intl. Airport (CJU) to Kingsford Smith Intl. Airport (SYD). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from CJU to SYD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, including the time of year 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 Jeju Intl. Airport (CJU) to Kingsford Smith Intl. Airport (SYD)?
To touch down at Kingsford Smith Intl. Airport (SYD) without delays, opt for a flight that takes off from Jeju Intl. Airport (CJU) before 3 PM. The likelihood 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.
Is it cheaper to buy a plane ticket from Jeju Intl. Airport (CJU) to Kingsford Smith Intl. Airport (SYD) last-minute?
Last-minute bookings from CJU to SYD are typically more expensive. To secure the lowest prices, start looking for flights ahead of time. That said, if you're flexible with your travel plans, you may land a cheap ticket right before your trip.
Is it cheaper to book a CJU to SYD flight and hotel package?
Compared with arranging flights and hotels separately, booking a CJU to SYD flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Jeju Intl. Airport (CJU) to Kingsford Smith Intl. Airport (SYD)?
It's usually possible to cancel or reschedule your CJU to SYD 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 possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.