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Incheon Intl

$239+ Cheap flights from Sydney (SYD) to Incheon Intl (ICN)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ICN
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Incheon Intl are usually found in March or May, booked 90 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from Sydney to Incheon Intl

Cheapest flights from Sydney to Incheon Intl
Explore the most affordable flight options available from Sydney to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This Booking.com deal was found by Cheapflights users on 3/8. 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.
Sat 6/139:45 am
SYD
-
ICN
1 stop22h 15m
AirAsia X
Fri 6/198:15 am
ICN
-
SYD
1 stop23h 05m
AirAsia X
Deal found 3/8$395
This Booking.com deal was found by Cheapflights users on 3/10. 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.
Sat 4/258:35 pm
SYD
-
ICN
1 stop38h 10m
Multiple Airlines
Sat 5/28:15 am
ICN
-
SYD
1 stop23h 05m
Multiple Airlines
Deal found 3/10$398
This Booking.com deal was found by Cheapflights users on 3/7. 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.
Fri 5/19:45 am
SYD
-
ICN
1 stop22h 15m
AirAsia X
Sat 5/98:15 am
ICN
-
SYD
1 stop23h 05m
AirAsia X
Deal found 3/7$400
This FlightHub deal was found by Cheapflights users on 3/11. 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.
Sun 6/72:10 pm
SYD
-
ICN
1 stop24h 45m
China Southern
Sat 6/139:40 am
ICN
-
SYD
1 stop32h 45m
China Southern
Deal found 3/11$407
This China Eastern deal was found by Cheapflights users on 3/10. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:00 am
SYD
-
ICN
2 stops29h 50m
China Eastern
Tue 4/213:50 pm
ICN
-
SYD
2 stops39h 10m
China Eastern
Deal found 3/10$414
This AirAsia deal was found by Cheapflights users on 3/10. 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:45 am
SYD
-
ICN
1 stop22h 15m
AirAsia X
Thu 5/218:15 am
ICN
-
SYD
1 stop23h 05m
AirAsia X
Deal found 3/10$416
This Booking.com deal was found by Cheapflights users on 3/11. 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.
Sat 3/1410:45 am
SYD
-
ICN
1 stop31h 15m
Multiple Airlines
Sat 3/212:30 pm
ICN
-
SYD
1 stop22h 10m
Multiple Airlines
Deal found 3/11$419
This AirAsia deal was found by Cheapflights users on 3/9. 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:45 am
SYD
-
ICN
1 stop22h 15m
AirAsia X
Sat 5/28:15 am
ICN
-
SYD
1 stop23h 05m
AirAsia X
Deal found 3/9$420
This Booking.com deal was found by Cheapflights users on 3/7. 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.
Fri 5/152:10 pm
SYD
-
ICN
2 stops29h 35m
China Southern
Fri 5/293:15 pm
ICN
-
SYD
1 stop27h 10m
China Southern
Deal found 3/7$425
This Booking.com deal was found by Cheapflights users on 3/9. 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.
Sat 5/210:05 am
SYD
-
ICN
2 stops26h 40m
China Southern
Sat 5/233:15 pm
ICN
-
SYD
1 stop27h 10m
China Southern
Deal found 3/9$426

Find flight deals from Sydney to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Incheon Intl (ICN). 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$395
(Booking.com)

One-way from

$239
(Jetstar)

Popular in

December

Cheapest in

March

Average price

$529

Good round-trip deal

$568 or less

Good one-way deal

$311 or less
Provider with most accurate pricing for Sydney Kingsford Smith-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Incheon Intl flights.
Search Deals
From Sydney Kingsford Smith to Incheon Intl
Search Deals
One-way flight from Sydney Kingsford Smith to Incheon Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to Incheon Intl.
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to Incheon Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Incheon Intl 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 March 12, 2026.
Use the filters below to find and compare flights from Sydney to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Mon 3/16

3:10 pm-11:15 am

1 stop22h 05m

Incheon Intl

Fri 3/20

2:20 pm-7:20 am

3 stops39h 00m

$462

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 5/15

10:05 am-1:15 pm

3 stops28h 10m

Incheon Intl

Fri 5/29

2:15 pm-8:00 am

3 stops40h 45m

$595

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 5/1

11:00 am-3:10 pm

1 stop29h 10m

Incheon Intl

Mon 5/11

2:15 pm-9:00 am

2 stops17h 45m

$619

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Wed 4/8

10:05 am-3:35 pm

3 stops30h 30m

Incheon Intl

Sun 4/12

8:30 am-8:00 am

2 stops22h 30m

$749

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sun 5/17

10:05 am-1:15 pm

3 stops28h 10m

Incheon Intl

Fri 5/22

4:35 pm-12:35 pm

2 stops43h 00m

$756

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Mon 6/1

10:45 am-8:15 pm

Nonstop10h 30m

Incheon Intl

Mon 6/15

3:10 pm-6:45 am

1 stop14h 35m

$818

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 5/1

10:45 am-8:15 pm

Nonstop10h 30m

Incheon Intl

Mon 5/11

9:00 am-6:45 am

1 stop20h 45m

$821
Quickest round-trip

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sat 5/2

11:40 am-9:30 pm

Nonstop10h 50m

Incheon Intl

Mon 5/11

10:10 pm-9:55 am

Nonstop10h 45m

$821

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sun 6/7

10:45 am-8:15 pm

Nonstop10h 30m

Incheon Intl

Sat 6/13

9:10 pm-6:00 pm

1 stop19h 50m

$838

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 4/7

10:05 am-8:40 pm

3 stops35h 35m

Incheon Intl

Mon 4/13

7:45 am-9:00 am

2 stops24h 15m

$840

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 23 resultsSorted by cheapest first
1
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3

Compare providers for flights from Sydney to Incheon Intl

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 Sydney to Incheon Intl in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
BudgetAirPrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*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 Sydney-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Incheon Intl Airport 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 Sydney-Incheon Intl Airport 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 Sydney to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Sydney 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 Sydney to Incheon Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Incheon Intl. Price data was last updated on March 6, 2026.

To ensure you get the cheapest price possible for a flight from Sydney to Incheon Intl Airport, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Sydney to Incheon Intl Airport (average of $220). Flying from Sydney to Incheon Intl Airport in December is currently the most expensive (average of $433). 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 SYD to ICN?

Find hourly flight availability from Sydney to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 12, 2026.

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

The best insider tips for Sydney to Incheon Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Sydney to Incheon Intl Airport 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 Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated March 12, 2026.
Read reviews from past customers who have flown Korean Air,Asiana Airlines, andJetstar from Sydney to Incheon Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,202 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.1
Very good
506 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Jetstar
6.5
Okay
529 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Incheon Intl. 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 from for flights from Sydney to Incheon Intl?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Incheon Intl. You should not have trouble finding flights to Incheon Intl from Kingsford Smith; the airport handles an average of 10 outbound flights to Incheon Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Sydney airport to Incheon Intl. It is only a 4.6 mi journey to Kingsford Smith (SYD) from Sydney’s city center.

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

    For as low as $462, China Eastern can have you in Incheon Intl Airport from Sydney in 22h 05m. The distance between Sydney and Incheon Intl Airport is about 5179 mi.

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

    Currently priced at $272, Jetstar will fly you from Sydney to Incheon Intl Airport and back. In addition to Jetstar, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from T'way Air and Asiana Airlines - these airlines can fly you to your destination from $337 and $775, respectively. Users have found that Jetstar is 59% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $205 on Jetstar. Other airlines that offer cheap prices include T'way Air from $277 and Asiana Airlines from $416 one-way.

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

    Before booking your flight to Incheon Intl Airport from Sydney, check out the most reliable airlines to get you to your destination on time: KLM (84%), Korean Air (84%), Virgin Atlantic( 84%).

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

    On average you can expect to pay $1,278 for a flight from Sydney to Incheon Intl Airport. The cheapest flight overall is $239 while the most popular route, (Sydney Kingsford Smith - Incheon Intl) is currently priced at $368.

  • Can I find deals for flights from Sydney to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Sydney to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Incheon Intl.

  • Can I find deals for business class flights from Sydney to Incheon Intl?

    Yes. Cheapflights offers flight deals from Sydney to Incheon Intl 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 Sydney to Incheon Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Sydney to Incheon Intl Airport (average of $220). Flying from Sydney to Incheon Intl Airport in December is currently the most expensive (average of $433). 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 Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam

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Top 4 airlines flying from Sydney to Incheon Intl

Discover the top 4 airlines that operate flights from Sydney to Incheon Intl. 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$272Average$568FlexibilityNo cancel feeOn-time74%
T'way AirCheapest$337Average$568FlexibilityNo cancel feeOn-time88%
Asiana AirlinesCheapest$775Average$1,037FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$823Average$1,005FlexibilityNo cancel feeOn-time81%

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