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Incheon Intl

$240+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ICN
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 June, booked 78 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap 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 septiembre 11, 2025.

Round-trip from

$375
(AirAsia)

One-way from

$240
(Booking.com)

Popular in

December

Cheapest in

March

Average price

$705

Good round-trip deal

$596 or less

Good one-way deal

$449 or less
From Sydney Kingsford Smith to Incheon Intl
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One-way flight from Sydney Kingsford Smith to Incheon Intl
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Highest demand for flights based on searches. 17% potential increase in price ($144 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 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 Sydney Kingsford Smith to Incheon Intl.
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Price to beat on a one-way flight from Sydney Kingsford Smith to Incheon Intl.
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Find 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 septiembre 11, 2025.

This AirAsia deal was found by Cheapflights users on 9/11. 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/289:50 pmSYD - ICN
1 stop23h 55mAirAsia X
lun. 11/310:55 pmICN - SYD
1 stop19h 40mAirAsia X
Deal found 9/11$375
This AirAsia deal was found by Cheapflights users on 9/10. 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.
mar. 11/49:50 pmSYD - ICN
1 stop23h 55mAirAsia X
mié. 11/1910:55 pmICN - SYD
1 stop32h 20mAirAsia X
Deal found 9/10$380
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1811:15 amSYD - ICN
1 stop18h 15mMultiple Airlines
lun. 9/2211:30 amICN - SYD
1 stop23h 05mMultiple Airlines
Deal found 9/11$472
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/2411:25 amSYD - ICN
1 stop26h 05mMultiple Airlines
mié. 10/2911:35 amICN - SYD
1 stop29h 15mMultiple Airlines
Deal found 9/10$480
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1512:25 pmSYD - ICN
1 stop26h 05mXiamenAir
mié. 10/221:30 pmICN - SYD
1 stop18h 50mXiamenAir
Deal found 9/10$483
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/48:05 pmSYD - ICN
1 stop27h 40mScoot
mar. 11/1110:35 pmICN - SYD
1 stop18h 15mScoot
Deal found 9/10$493
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/268:05 pmSYD - ICN
1 stop16h 10mMultiple Airlines
dom. 11/21:20 pmICN - SYD
1 stop19h 05mMultiple Airlines
Deal found 9/11$504
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/110:00 pmSYD - ICN
1 stop19h 15mChina Southern
sáb. 11/810:55 amICN - SYD
1 stop31h 25mChina Southern
Deal found 9/10$506
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/39:20 amSYD - ICN
2 stops28h 15mChina Southern
vie. 11/74:15 pmICN - SYD
1 stop26h 05mChina Southern
Deal found 9/10$511

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 septiembre 11, 2025.
Use the filters below to find and compare flights from Sydney to Incheon Intl Airport that are best for you.

Fly from

Sydney

Fly to

Incheon Intl

Route

Depart

Return

Price

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

jue. 1/15

11:40 am-8:15 pm

Nonstop10h 35m

Incheon Intl

dom. 3/15

9:50 pm-10:05 am

Nonstop10h 15m

$498

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

dom. 2/22

8:05 pm-10:15 am

1 stop16h 10m

Incheon Intl

mar. 3/3

11:00 pm-6:50 pm

2 stops17h 50m

$516

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

dom. 10/26

11:50 am-6:30 am

1 stop20h 40m

Incheon Intl

mar. 11/11

10:35 am-9:50 am

1 stop21h 15m

$588

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

mié. 10/22

11:15 am-6:40 am

1 stop21h 25m

Incheon Intl

jue. 11/6

5:55 pm-9:50 am

1 stop37h 55m

$588

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

vie. 10/17

11:15 am-6:40 am

1 stop21h 25m

Incheon Intl

dom. 11/2

10:35 am-1:15 pm

1 stop24h 40m

$608

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

dom. 10/12

1:00 pm-11:15 am

1 stop24h 15m

Incheon Intl

dom. 10/19

4:35 pm-10:00 am

1 stop15h 25m

$654

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

jue. 10/16

2:05 pm-8:35 pm

1 stop32h 30m

Incheon Intl

sáb. 10/18

12:10 am-11:00 am

1 stop32h 50m

$667

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

jue. 10/16

2:05 pm-8:35 pm

1 stop32h 30m

Incheon Intl

mié. 10/22

12:10 am-11:00 am

1 stop32h 50m

$668

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

vie. 10/31

11:15 am-4:50 am

1 stop19h 35m

Incheon Intl

mar. 11/11

9:50 pm-10:05 am

Nonstop10h 15m

$778

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

vie. 10/10

10:15 am-11:50 am

3 stops27h 35m

Incheon Intl

vie. 10/17

12:55 pm-10:45 am

1 stop19h 50m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results
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The best insider tips for Sydney to Incheon Intl Airport 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 Sydney to Incheon Intl Airport trip
Airports
SYD

For smooth check-ins, verify your terminal at SYD as some domestic flights use the international terminal. Double-check gate changes before arriving.

Read more about SYDby John Walton
ICN

Use the AREX express train for a quick 40-50 minute ride from ICN to Seoul Station. It’s convenient and avoids traffic.

Read more about ICNby Gabriel Leigh
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 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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from Sydney to Incheon Intl Airport, you should look to book at least 78 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, February is the cheapest month in which you can book a flight from Sydney to Incheon Intl Airport (average of $990). Flying from Sydney to Incheon Intl Airport in December is currently the most expensive (average of $1,633). 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 septiembre 11, 2025.

One of the essential ways to save on airfare from Sydney to Incheon Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 50% on airfare.

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

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 septiembre 11, 2025.
Read reviews from past customers who have flown Korean Air, Asiana Airlines, and Qantas Airways 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
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
8.2
Very good
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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.
Qantas Airways
7.5
Good
905 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
474 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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 5 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 popular is this Sydney to Incheon Intl Airport flight route?

    The Sydney Kingsford Smith to Incheon Intl flight path was viewed by 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as $498, Jetstar can have you in Incheon Intl Airport from Sydney in 10h 35m. The distance between Sydney and Incheon Intl Airport is about 5179 mi. This flight may include one or multiple stops.

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

    Currently priced at $338, 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 Qantas Airways - these airlines can fly you to your destination from $399 and $755, respectively. Users have found that Jetstar is 49% 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 $264 on Jetstar. Other airlines that offer cheap prices include XiamenAir from $284 and Singapore Airlines from $299 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: Qantas Airways (54%), Jetstar (54%), Finnair( 54%).

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

    On average you can expect to pay $732 for a flight from Sydney to Incheon Intl Airport. The cheapest flight overall is $323 while the most popular route, (Sydney Kingsford Smith - Incheon Intl) is currently priced at $485.

  • 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, February is the cheapest month in which you can book a flight from Sydney to Incheon Intl Airport (average of $990). Flying from Sydney to Incheon Intl Airport in December is currently the most expensive (average of $1,633). 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
Daejeon

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Top 5 airlines flying from Sydney to Incheon Intl

Discover the top 5 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$338Average$531FlexibilityNo cancel feeOn-time74%
T'way AirCheapest$399Average$504FlexibilityNo cancel feeOn-time88%
Qantas AirwaysCheapest$755Average$1,007FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$776Average$918FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$827Average$1,150FlexibilityNo cancel feeOn-time76%

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