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Sydney

$284+ Cheap flights from Incheon Intl (ICN) to Sydney (SYD)

ICN — SYD
Dec 4 — Dec 111
Fri 12/4
Fri 12/11
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 82 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap flight deals from Incheon Intl to Sydney

Cheapest flights from Incheon Intl to Sydney

Sat 11/1412:15 pm -
1 stop18h 45m
Sat 11/2111:15 am -
1 stop29h 25m
Deal found 11/1$605
Tue 11/33:40 pm -
2 stops19h 55m
Sun 11/811:05 am -
1 stop26h 10m
Deal found 11/1$619
Tue 11/39:50 pm -
Nonstop10h 15m
Thu 11/511:40 am -
Nonstop10h 35m
Deal found 10/31$623
Thu 12/2412:15 pm -
1 stop18h 50m
Wed 1/69:20 am -
1 stop31h 45m
Deal found 11/4$625
Tue 11/31:20 pm -
1 stop19h 15m
Sun 11/812:35 pm -
1 stop25h 45m
Deal found 11/1$629
Mon 11/167:55 pm -
2 stops35h 10m
Fri 11/2011:10 am -
3 stops28h 05m
Deal found 11/1$634
Sat 11/1412:15 pm -
1 stop18h 45m
Fri 11/2011:10 am -
1 stop34h 40m
Deal found 11/4$637
Tue 11/39:50 pm -
Nonstop10h 15m
Thu 11/1211:40 am -
Nonstop10h 35m
Deal found 11/2$638
Mon 11/169:50 pm -
Nonstop10h 15m
Wed 11/1811:40 am -
Nonstop10h 35m
Deal found 10/30$639
Fri 11/611:55 am -
2 stops19h 20m
Sat 11/712:00 pm -
2 stops25h 25m
Deal found 11/1$643
Mon 11/24:15 pm -
1 stop19h 05m
Fri 11/612:35 pm -
1 stop25h 45m
Deal found 11/1$647

Find flight deals from Incheon Intl to Sydney

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$605
(FlightHub)

One-way from

$284
(Sichuan Airlines)

Popular in

January

Cheapest in

March

Average price

$710

Good round-trip deal

$669 or less

Good one-way deal

$276 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 ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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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

 
Use the filters below to find and compare flights from Incheon Intl Airport to Sydney that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Tue 12/22

2:30 pm-3:05 pm

1 stop22h 35m

Sydney Kingsford Smith

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$284

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Thu 11/26

9:50 pm-10:05 am

Nonstop10h 15m

Sydney Kingsford Smith

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$320

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Sat 3/13

2:55 pm-1:40 pm

1 stop20h 45m

Sydney Kingsford Smith

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$331

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Tue 12/22

2:55 pm-1:40 pm

1 stop20h 45m

Sydney Kingsford Smith

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$331

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Sat 12/19

11:05 am-10:00 am

2 stops44h 55m

Sydney Kingsford Smith

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$446

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Sat 4/3

6:25 am-8:20 am

2 stops47h 55m

Sydney Kingsford Smith

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$479

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Tue 4/6

7:10 pm-6:20 am

Nonstop10h 10m

Sydney Kingsford Smith

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$499
Quickest round-trip

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Thu 11/12

8:00 am-8:05 pm

Nonstop10h 05m

Sydney Kingsford Smith

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$499

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Tue 12/22

9:40 pm-10:15 am

Nonstop10h 35m

Sydney Kingsford Smith

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$573

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Sat 4/3

9:50 pm-10:05 am

Nonstop10h 15m

Sydney Kingsford Smith

Sat 4/10

10:45 am-8:15 pm

Nonstop10h 30m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Compare providers for flights from Incheon Intl to Sydney

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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
JetabroadPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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?

Booking 81 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, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of $507). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $942). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Incheon Intl Airport to Sydney as you normally would.

How much does it cost to fly round-trip from Incheon Intl Airport to Sydney?

Airfare is typical for this route at the moment.

Incheon Intl Airport to Sydney flights typically cost between $579 and $902 in November.
The cheapest round-trip price found within the last 5 days was $605 on China Eastern (Nov 14-Nov 21).

The best insider tips for Incheon Intl Airport to Sydney flights

Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Sydney trip
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

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

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

Read through reviews of airlines operating flights from Incheon Intl Airport to Sydney, such as Korean Air,Asiana Airlines, andJetstar. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,218 reviews

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

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
1,218 reviews
Korean Air
8.4
Very good
1,218 reviews

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

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
8.1
Very good
570 reviews
Korean Air
8.4
Very good
1,218 reviews

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

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
577 reviews
Korean Air
8.4
Very good
1,218 reviews

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

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

  • 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 13 inbound flights from Incheon Intl per day. You should also have plenty of airline options to choose from since 4 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 long is the flight from Incheon Intl Airport to Sydney?

    Jetstar, Qantas Airways, and Singapore Airlines can get you from Incheon Intl Airport to Sydney in just under 10h 15m. Your travel time can differ by up to 10h 05m. 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 $409. Other airlines that can offer you cheap pricing are Trinity Airways (Formerly T'way Air), from $682, and Korean Air, from $748. You may be able to fly from Incheon Intl Airport to Sydney for 42% 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 ($173), Trinity Airways (Formerly T'way Air) ($329), and Asiana Airlines ($351).

  • 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: Trinity Airways (Formerly T'way Air) (84%), Etihad Airways (70%), Qantas Airways (67%).

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

    While on average a flight from Incheon Intl Airport to Sydney is generally $870, our data shows the cheapest flight currently is $251. When looking at the most popular route, (Incheon Intl - Sydney Kingsford Smith), you can expect to pay $882 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, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of $507). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $942). 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
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Incheon Intl to Sydney

AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$409Average$666FlexibilityNo cancel feeOn-time74%
Trinity Airways (Formerly T'way Air)Cheapest$682Average$890FlexibilityNo cancel feeOn-time88%
Korean AirCheapest$748Average$1,101FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$884Average$1,096FlexibilityNo cancel feeOn-time76%

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