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Cheap flights from Sydney to Incheon Intl Airport from $352

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ICN
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 Monday

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 18 September 2025.

Round-trip from

$567

One-way from

$352

Popular in

December

Cheapest in

March

Average price

$1,097

Good round-trip deal

$964 or less

Good one-way deal

$509 or less
AirAsia X
  • AirAsia X
  • 28/10-3/11
  • 2 total stops
  • 43h 35m total
  • Sydney to Incheon
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Jetstar
  • Jetstar
  • 29/1
  • Nonstop
  • 10h 35m total
  • Sydney to Incheon
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($318 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($73 potential savings vs. average return 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 18 September 2025.

Tue 28/1021:50SYD - ICN
1 stop23h 55mAirAsia X
Mon 3/1122:55ICN - SYD
1 stop19h 40mAirAsia X
Deal found 15/9$567
Sat 25/1022:15SYD - ICN
1 stop23h 30mAirAsia X
Wed 29/1022:55ICN - SYD
1 stop32h 20mAirAsia X
Deal found 17/9$577
Tue 11/1114:20SYD - ICN
1 stop21h 55mScoot
Mon 1/1211:35ICN - SYD
1 stop29h 15mScoot
Deal found 16/9$588
Tue 4/1121:50SYD - ICN
1 stop23h 55mAirAsia X
Mon 17/1122:55ICN - SYD
1 stop19h 40mAirAsia X
Deal found 16/9$591
Tue 4/1121:50SYD - ICN
1 stop23h 55mMultiple Airlines
Wed 19/1111:35ICN - SYD
1 stop29h 15mMultiple Airlines
Deal found 16/9$616
Tue 4/1121:50SYD - ICN
1 stop23h 55mAirAsia X
Wed 19/1122:55ICN - SYD
1 stop32h 20mAirAsia X
Deal found 14/9$618
Tue 4/1121:50SYD - ICN
1 stop23h 55mMultiple Airlines
Sun 14/1221:50ICN - SYD
Nonstop10h 15mMultiple Airlines
Deal found 16/9$624
Tue 18/1120:05SYD - ICN
1 stop16h 10mScoot
Wed 26/1111:35ICN - SYD
1 stop29h 15mScoot
Deal found 16/9$631
Tue 4/1121:50SYD - ICN
1 stop23h 55mMultiple Airlines
Mon 15/1221:50ICN - SYD
Nonstop10h 15mMultiple Airlines
Deal found 16/9$633
Sun 26/1014:20SYD - ICN
1 stop21h 55mScoot
Wed 29/1011:35ICN - SYD
1 stop29h 15mScoot
Deal found 15/9$634

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 18 September 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

Thu 23/10

22:15-19:05

1 stop22h 50m

Incheon Intl

Thu 6/11

07:35-09:15

1 stop23h 40m

$568

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Wed 11/3

11:40-20:15

Nonstop10h 35m

Incheon Intl

Sun 15/3

21:50-10:05

Nonstop10h 15m

$754

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Thu 16/10

14:05-20:35

1 stop32h 30m

Incheon Intl

Thu 23/10

11:00-07:35

1 stop18h 35m

$977

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sun 5/10

11:45-20:15

Nonstop10h 30m

Incheon Intl

Thu 16/10

21:50-10:05

Nonstop10h 15m

$1,009

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sun 2/11

12:15-21:15

Nonstop11h 00m

Incheon Intl

Sun 9/11

21:40-10:15

Nonstop10h 35m

$1,019

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sat 25/10

22:10-20:55

1 stop24h 45m

Incheon Intl

Sat 8/11

11:05-07:55

1 stop18h 50m

$1,076

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Mon 17/11

11:40-20:15

Nonstop10h 35m

Incheon Intl

Sun 23/11

09:00-07:55

1 stop20h 55m

$1,228

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 30/9

10:10-19:20

1 stop34h 10m

Incheon Intl

Sun 26/10

07:30-09:50

1 stop24h 20m

$1,246

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Thu 4/12

11:10-09:15

1 stop24h 05m

Incheon Intl

Tue 30/12

10:35-10:45

1 stop22h 10m

$1,256

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 7/10

11:10-06:00

1 stop20h 50m

Incheon Intl

Thu 16/10

08:00-09:00

1 stop23h 00m

$1,271

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 22 results
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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 return 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 return flight from Sydney to Incheon Intl. Price data was last updated on 12 September 2025.

The price you pay for your flight from Sydney to Incheon Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Sydney to Incheon Intl Airport (average of $492). Flying from Sydney to Incheon Intl Airport in December is currently the most expensive (average of $985). 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 18 September 2025.

It’s optimal to fly from Sydney to Incheon Intl Airport in the evening. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Sydney to Incheon Intl. Price data was last updated on 14 September 2025.

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

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 18 September 2025.
Get a feel of what it's like to fly with Korean Air, Asiana Airlines, andQantas Airways from Sydney to Incheon Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,140 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

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
1,140 reviews
Korean Air
8.4
Very Good
1,140 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

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
481 reviews
Korean Air
8.4
Very Good
1,140 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

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
907 reviews
Korean Air
8.4
Very Good
1,140 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

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
1,140 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

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?

    If you book a flight to Incheon Intl from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 10 flights from Kingsford Smith to Incheon Intl per day from 20 different airlines.

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

    This flight path from Sydney Kingsford Smith to Incheon Intl was viewed by 16,897 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 $754, AirAsia X can have you in Incheon Intl Airport from Sydney in 10h 35m. The distance between Sydney and Incheon Intl Airport is about 8335 km. This flight may include one or multiple stops.

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

    Flying on AirAsia X is currently your cheapest option to Incheon Intl Airport, with prices starting at $265. Additional round-trip tickets that might be worth considering are offered by Scoot and VietJet Air, with the lowest prices starting at $301 and $315, respectively. You may be able to fly from Sydney to Incheon Intl Airport for 73% less than the average price by searching for these airlines.

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

    Consider T'way Air (58%), Qantas Airways (56%) or Jetstar (56%) when booking your flight. These represent the most reliable airlines when flying from Sydney to Incheon Intl Airport.

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

    Looking for the cheapest flight from Sydney to Incheon Intl Airport? While on average our users pay $1,720, our data indicates the cheapest price to be $420. The most popular route (Sydney Kingsford Smith - Incheon Intl), is priced around $567.

  • Where are the most common stopover locations when flying from Sydney to Incheon Intl Airport?

    Flights departing from Sydney and landing in Incheon Intl Airport stopover in Singapore most frequently. Guangzhou follows Singapore in terms of the most common stopover location on Sydney to Incheon Intl Airport flights.

  • What are some popular things to do or see while on a stopover in Singapore?

    Sentosa, Merlion, and Sim Lim Square are the most popular attractions in Singapore if you're in need of something to do during your stopover. Travellers on a stopover Singapore can visit Sentosa, Merlion, and Sim Lim Square, by traveling 21.6 km, 16.9 km, and 16.3 km, respectively after landing at Singapore Changi. Travellers can book a car hire at Singapore Changi for about $127 per day to make their sightseeing more efficient.

  • Where are the least popular stopover locations for Sydney to Incheon Intl Airport flights?

    Of the flights from Sydney to Incheon Intl Airport that have stopovers, the fewest flights stop in Guangzhou.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Sydney to Incheon Intl Airport (average of $492). Flying from Sydney to Incheon Intl Airport in December is currently the most expensive (average of $985). 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

Travelling 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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Fly from Sydney to Incheon Intl on these airlines

Choose from the following airlines for your flight from Sydney to Incheon Intl. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2025.
Jetstar flights from Sydney Kingsford Smith to Incheon Intl
Asiana Airlines flights from Sydney Kingsford Smith to Incheon Intl
Korean Air flights from Sydney Kingsford Smith to Incheon Intl
Singapore Airlines flights from Sydney Kingsford Smith to Incheon Intl

Top 10 airlines flying from Sydney to Incheon Intl

Discover the top 10 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 647,157 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
AirAsia XCheapest$265Average$544FlexibilityNo cancel feeOn-time66%
Search AirAsia X flights
ScootCheapest$301Average$642FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
VietJet AirCheapest$315Average$751FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
JetstarCheapest$381Average$759FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
FinnairCheapest$384Average$777FlexibilityNo cancel feeOn-time76%
Search Finnair flights
XiamenAirCheapest$419Average$749FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
T'way AirCheapest$477Average$832FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Vietnam AirlinesCheapest$482Average$902FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
China SouthernCheapest$509Average$562FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Garuda IndonesiaCheapest$690Average$908FlexibilityNo cancel feeOn-time71%
Search Garuda Indonesia flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to Incheon Intl?

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Why should you use Cheapflights to find cheap flight tickets from Sydney to Incheon Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to Incheon Intl.

Can Cheapflights find flights from Sydney to Incheon Intl with no change fees?

Need flexible booking options for your flight to Incheon Intl from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to Incheon Intl become cheaper?

Not ready to book yet? You can track prices for flights from Sydney to Incheon Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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