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$230+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SYD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to Sydney Kingsford Smith are usually found in June or March, booked 15 days in advance, depart on a Tuesday or Sunday and return on a Sunday

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 September 16, 2025.

Round-trip from

$464
(FlightHub)

One-way from

$230
(Jetstar)

Popular in

January

Cheapest in

June

Average price

$611

Good round-trip deal

$518 or less

Good one-way deal

$237 or less
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 ($160 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).
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Average for round-trip flights in September 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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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 September 16, 2025.

This FlightHub deal was found by Cheapflights users on 9/14. 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.
Sat 11/11:15 pmICN - SYD
2 stops21h 00mChina Eastern
Thu 11/61:30 pmSYD - ICN
3 stops25h 45mChina Eastern
Deal found 9/14$464
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:45 amICN - SYD
1 stop23h 35mMultiple Airlines
Thu 10/211:20 amSYD - ICN
1 stop27h 30mMultiple Airlines
Deal found 9/15$472
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/262:20 pmICN - SYD
3 stops41h 10mChina Eastern
Sun 11/912:00 pmSYD - ICN
2 stops25h 00mChina Eastern
Deal found 9/14$481
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:35 amICN - SYD
1 stop29h 15mScoot
Wed 11/52:20 pmSYD - ICN
2 stops33h 25mScoot
Deal found 9/14$484
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:35 amICN - SYD
1 stop29h 15mMultiple Airlines
Wed 11/511:40 amSYD - ICN
Nonstop10h 35mMultiple Airlines
Deal found 9/14$489
This Jetstar deal was found by Cheapflights users on 9/15. 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 Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:50 pmICN - SYD
Nonstop10h 15mJetstar
Thu 12/411:40 amSYD - ICN
Nonstop10h 35mJetstar
Deal found 9/15$494
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Tue 10/1412:00 pmICN - SYD
2 stops22h 15mChina Eastern
Tue 10/2112:20 pmSYD - ICN
3 stops28h 30mChina Eastern
Deal found 9/14$499
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sun 10/261:20 pmICN - SYD
1 stop19h 05mMultiple Airlines
Sun 11/98:05 pmSYD - ICN
1 stop16h 10mMultiple Airlines
Deal found 9/14$503
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/202:15 pmICN - SYD
3 stops40h 45mMultiple Airlines
Tue 11/49:50 pmSYD - ICN
1 stop23h 55mMultiple Airlines
Deal found 9/15$505
This Jetstar deal was found by Cheapflights users on 9/15. 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 Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:50 pmICN - SYD
Nonstop10h 15mJetstar
Mon 12/111:40 amSYD - ICN
Nonstop10h 35mJetstar
Deal found 9/15$516

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 September 16, 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

Mon 10/20

9:50 pm-10:05 am

Nonstop10h 15m

Sydney Kingsford Smith

Tue 11/4

11:40 am-8:15 pm

Nonstop10h 35m

$532

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 12/2

9:50 pm-10:05 am

Nonstop10h 15m

Sydney Kingsford Smith

Fri 12/12

11:40 am-8:15 pm

Nonstop10h 35m

$534

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Mon 10/13

9:50 pm-10:05 am

Nonstop10h 15m

Sydney Kingsford Smith

Mon 10/20

11:45 am-8:15 pm

Nonstop10h 30m

$564

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 10/15

9:50 pm-10:05 am

Nonstop10h 15m

Sydney Kingsford Smith

Wed 10/22

11:45 am-8:15 pm

Nonstop10h 30m

$596

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 2/28

12:10 am-10:20 am

1 stop32h 10m

Sydney Kingsford Smith

Thu 3/12

10:25 am-6:30 am

1 stop22h 05m

$599

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 10/22

12:10 am-11:00 am

1 stop32h 50m

Sydney Kingsford Smith

Fri 10/31

12:10 pm-8:55 pm

1 stop34h 45m

$604

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Thu 2/26

12:10 am-7:55 am

1 stop29h 45m

Sydney Kingsford Smith

Tue 3/3

10:25 am-6:30 am

1 stop22h 05m

$606

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 3/7

12:10 am-7:55 am

1 stop29h 45m

Sydney Kingsford Smith

Tue 3/17

10:15 pm-8:55 pm

1 stop24h 40m

$606

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Fri 10/31

12:10 am-7:55 am

1 stop29h 45m

Sydney Kingsford Smith

Thu 11/6

10:15 pm-8:55 pm

1 stop24h 40m

$612

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 10/25

12:10 am-7:55 am

1 stop29h 45m

Sydney Kingsford Smith

Sun 11/9

10:25 am-6:30 am

1 stop22h 05m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
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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

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 September 12, 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, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of $1,032). Flying from Incheon Intl Airport to Sydney in December is currently the most expensive (average of $1,627). 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 September 16, 2025.

It’s typically best to fly out from Incheon Intl Airport to Sydney in the morning. Doing so could potentially save you 45% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Incheon Intl Airport to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Incheon Intl Airport to Sydney flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 16, 2025.
Read through reviews of airlines operating flights from Incheon Intl Airport to Sydney, such as Asiana Airlines, Qantas Airways, and China Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very good
479 reviews

Entertainment

7.8

Overall

8.2

Food

8.1

Boarding

8.4

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Yony,Sep 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Asiana Airlines
8.2
Very good
479 reviews
Asiana Airlines
8.2
Very good
479 reviews

Entertainment

7.8

Overall

8.2

Food

8.1

Boarding

8.4

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Yony,Sep 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Qantas Airways
7.5
Good
905 reviews
Asiana Airlines
8.2
Very good
479 reviews

Entertainment

7.8

Overall

8.2

Food

8.1

Boarding

8.4

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Yony,Sep 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
China Eastern
7.2
Good
165 reviews
Asiana Airlines
8.2
Very good
479 reviews

Entertainment

7.8

Overall

8.2

Food

8.1

Boarding

8.4

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Yony,Sep 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Jetstar
6.5
Okay
474 reviews
Asiana Airlines
8.2
Very good
479 reviews

Entertainment

7.8

Overall

8.2

Food

8.1

Boarding

8.4

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Yony,Sep 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

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 11 inbound flights from Incheon Intl per day. You should also have plenty of airline options to choose from since 6 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?

    Jetstar and Malaysia Airlines can get you from Incheon Intl Airport to Sydney in just under 10h 15m. Your travel time can differ by up to 21h 55m. 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 China Eastern, from $385, and Jetstar, from $394. 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 ($230), VietJet Air ($268), and T'way Air ($280).

  • 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 (48%), Qantas Airways (43%), Jetstar (43%).

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

    While on average a flight from Incheon Intl Airport to Sydney is generally $576, our data shows the cheapest flight currently is $194. When looking at the most popular route, (Incheon Intl - Sydney Kingsford Smith), you can expect to pay $615 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 $1,032). Flying from Incheon Intl Airport to Sydney in December is currently the most expensive (average of $1,627). 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
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Manly
Coogee

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Top 6 airlines flying from Incheon Intl to Sydney

Discover the top 6 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$248Average$745FlexibilityNo cancel feeOn-time88%
China EasternCheapest$385Average$460FlexibilityNo cancel feeOn-time62%
JetstarCheapest$394Average$560FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$592Average$729FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$657Average$883FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$710Average$1,243FlexibilityNo cancel feeOn-time76%

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