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$202+ Cheap flights from Incheon Intl (ICN) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SYD
nov. 29 — déc. 61
sam. 11/29
sam. 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to Sydney Kingsford Smith are usually found in March or June, booked 15 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Find flight deals from Incheon Intl to Sydney

Cheapest flights from Incheon Intl to Sydney
Explore the most affordable flight options available from Incheon Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 30, 2025.

This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/62:20 pmICN - SYD
3 stops42h 40mChina Eastern
dim. 11/91:30 pmSYD - ICN
1 stop32h 20mChina Eastern
Deal found 10/29$471
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/132:20 pmICN - SYD
3 stops42h 40mChina Eastern
jeu. 11/201:30 pmSYD - ICN
3 stops25h 45mChina Eastern
Deal found 10/30$477
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/288:50 pmICN - SYD
1 stop36h 10mChina Eastern
ven. 12/51:30 pmSYD - ICN
1 stop23h 45mChina Eastern
Deal found 10/29$491
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/274:05 pmICN - SYD
2 stops19h 30mChina Eastern
mar. 12/912:20 pmSYD - ICN
3 stops26h 55mChina Eastern
Deal found 10/29$494
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/304:10 pmICN - SYD
1 stop15h 50mChina Eastern
mar. 12/912:20 pmSYD - ICN
3 stops26h 55mChina Eastern
Deal found 10/29$501
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/14:05 pmICN - SYD
2 stops39h 55mChina Eastern
dim. 12/71:30 pmSYD - ICN
1 stop23h 45mChina Eastern
Deal found 10/29$502
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/16:25 pmICN - SYD
1 stop17h 10mChina Eastern
mar. 12/912:20 pmSYD - ICN
3 stops26h 55mChina Eastern
Deal found 10/30$503
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/62:35 pmICN - SYD
1 stop18h 20mHong Kong Airlines
dim. 11/912:35 pmSYD - ICN
1 stop27h 00mHong Kong Airlines
Deal found 10/29$512
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/122:20 pmICN - SYD
3 stops42h 40mChina Eastern
jeu. 12/41:30 pmSYD - ICN
3 stops25h 45mChina Eastern
Deal found 10/29$519
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/276:25 pmICN - SYD
1 stop17h 10mChina Eastern
dim. 12/71:30 pmSYD - ICN
1 stop23h 45mChina Eastern
Deal found 10/29$523
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/1212:00 pmICN - SYD
2 stops21h 00mChina Eastern
mer. 11/191:30 pmSYD - ICN
1 stop32h 20mChina Eastern
Deal found 10/29$526

Cheap 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 octobre 30, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$471
(Booking.com)

One-way from

$202
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$910

Good round-trip deal

$520 or less

Good one-way deal

$318 or less
Provider with most accurate pricing for Incheon Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-Sydney Kingsford Smith flights.
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From Incheon Intl to Sydney Kingsford Smith
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One-way flight from Incheon Intl to Sydney Kingsford Smith
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Highest demand for flights based on searches. 20% potential increase in price ($159 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Incheon Intl to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Incheon Intl to Sydney Kingsford Smith.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octobre 30, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Sydney that are best for you.

Fly from

Incheon Intl

Fly to

Sydney

Route

Depart

Return

Price

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

ven. 2/27

7:35 am-9:15 am

1 stop23h 40m

Sydney Kingsford Smith

mar. 3/3

9:50 pm-4:00 pm

1 stop20h 10m

$564

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

lun. 3/16

11:05 am-10:20 am

1 stop21h 15m

Sydney Kingsford Smith

mer. 3/18

10:15 pm-8:55 pm

1 stop24h 40m

$622

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

ven. 3/20

11:05 am-7:55 am

1 stop18h 50m

Sydney Kingsford Smith

ven. 3/27

10:15 pm-8:55 pm

1 stop24h 40m

$623

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

mer. 4/8

12:10 am-7:35 pm

1 stop18h 25m

Sydney Kingsford Smith

mer. 4/29

1:05 pm-7:10 am

1 stop19h 05m

$624

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

mar. 3/24

9:50 pm-10:05 am

Nonstop10h 15m

Sydney Kingsford Smith

mar. 3/31

11:45 am-8:15 pm

Nonstop10h 30m

$666

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

jeu. 2/26

12:10 am-8:35 pm

1 stop18h 25m

Sydney Kingsford Smith

mar. 3/3

10:25 am-6:30 am

1 stop22h 05m

$679

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

lun. 3/16

9:50 pm-10:05 am

Nonstop10h 15m

Sydney Kingsford Smith

mer. 3/18

11:40 am-8:15 pm

Nonstop10h 35m

$686

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

jeu. 2/26

12:10 am-6:05 am

2 stops27h 55m

Sydney Kingsford Smith

mar. 3/3

10:25 am-6:30 am

1 stop22h 05m

$759

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

ven. 12/5

9:50 pm-10:05 am

Nonstop10h 15m

$231

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

jeu. 2/26

9:50 pm-10:05 am

Nonstop10h 15m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 17 results
1
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Compare providers for flights from Incheon Intl to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Sydney in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OneTravelPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Incheon Intl Airport-Sydney flights, users find the pricing of OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on Incheon Intl Airport-Sydney flight deals on Cheapflights vs. OneTravel >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Sydney flights, Cheapflights users trust OneTravel the most. OneTravel has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip 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

How far ahead should I book a flight from Incheon Intl Airport to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Sydney. Price data was last updated on October 24, 2025.

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Incheon Intl Airport to Sydney?

Currently, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of $372). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $504). 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 octobre 30, 2025.

It’s typically best to fly out from Incheon Intl Airport to Sydney in the morning. Doing so could potentially save you 41% on the flight price compared to flying in the afternoon, which is usually more expensive.

The best insider tips for Incheon Intl Airport to Sydney flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Sydney trip
Airports
ICN

Plan for extra time at ICN as security lines can take up to 20 minutes, especially without fast track options.

Read more about ICNby Gabriel Leigh
SYD

After customs at SYD, the train is the easiest way to central Sydney, taking 15-25 minutes.

Read more about SYDby John Walton
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
John Walton

John Walton

Expert on SYD

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

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 octobre 30, 2025.
Read through reviews of airlines operating flights from Incheon Intl Airport to Sydney, such as Korean Air, Asiana Airlines, and China Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
484 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
China Eastern
7.2
Good
174 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Jetstar
6.5
Okay
478 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Incheon Intl to Sydney. You should not have trouble finding flights to Kingsford Smith from Incheon Intl; the airport handles an average of 10 inbound flights from Incheon Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Sydney airport from Incheon Intl. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • How popular is this Incheon Intl Airport to Sydney flight route?

    Flights from Incheon Intl to Sydney Kingsford Smith have been viewed 23 times in the past calendar month.

  • How long is the flight from Incheon Intl Airport to Sydney?

    AirAsia X and Malaysia Airlines can get you from Incheon Intl Airport to Sydney in just under 21h 15m. Your travel time can differ by up to 2h 25m. There are 5179 mi between Incheon Intl Airport and Sydney. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Incheon Intl Airport to Sydney round-trip?

    Cheapflights users have booked flights from Incheon Intl Airport to Sydney round-trip from $248. Other airlines that can offer you cheap pricing are Jetstar, from $370, and China Eastern, from $385. You may be able to fly from Incheon Intl Airport to Sydney for 60% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Incheon Intl Airport to Sydney one-way?

    The cheapest airlines for a one-way flight from Incheon Intl Airport to Sydney are Jetstar ($231), China Eastern ($275), and Malaysia Airlines ($308).

  • What are the most reliable airlines from Incheon Intl Airport to Sydney?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Incheon Intl Airport to Sydney on time: T'way Air (61%), Qantas Airways (56%), Jetstar (56%).

  • What are the cheapest flights from Incheon Intl Airport to Sydney?

    While on average a flight from Incheon Intl Airport to Sydney is generally $790, our data shows the cheapest flight currently is $253. When looking at the most popular route, (Incheon Intl - Sydney Kingsford Smith), you can expect to pay $469 for that flight.

  • 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 vacation 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, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of $372). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $504). 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.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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Top 5 airlines flying from Incheon Intl to Sydney

Discover the top 5 airlines 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 2,558,603 searches. Data last updated octobre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$248Average$745FlexibilityNo cancel feeOn-time88%
JetstarCheapest$370Average$554FlexibilityNo cancel feeOn-time74%
China EasternCheapest$385Average$478FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$657Average$836FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$710Average$1,255FlexibilityNo cancel feeOn-time76%

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