Cheap flights from Incheon Intl Airport to Sydney from $285

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SYD
14 Mar — 21 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to Sydney Kingsford Smith are usually found in March or June, booked 80 days in advance, depart on a Saturday or Monday and return on a Tuesday

Cheap flight deals from Incheon Intl to Sydney

Enter your travel dates to find the best prices.

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 12 February 2026.

Fri 6/316:40
ICN
-
SYD
2 stops18h 55m
China Eastern
Wed 11/310:00
SYD
-
ICN
3 stops29h 15m
China Eastern
Deal found 11/2$608
Mon 2/314:20
ICN
-
SYD
3 stops39h 00m
Multiple Airlines
Tue 10/321:50
SYD
-
ICN
1 stop20h 10m
Multiple Airlines
Deal found 11/2$611
Sun 5/413:30
ICN
-
SYD
1 stop18h 50m
XiamenAir
Tue 14/411:25
SYD
-
ICN
1 stop26h 05m
XiamenAir
Deal found 10/2$613
Mon 11/520:15
ICN
-
SYD
1 stop34h 45m
China Eastern
Fri 15/510:05
SYD
-
ICN
3 stops28h 10m
China Eastern
Deal found 10/2$614
Tue 3/312:55
ICN
-
SYD
1 stop19h 05m
China Eastern
Fri 13/310:00
SYD
-
ICN
1 stop29h 15m
China Eastern
Deal found 11/2$615
Mon 9/314:20
ICN
-
SYD
3 stops39h 00m
China Eastern
Wed 11/312:00
SYD
-
ICN
1 stop29h 20m
China Eastern
Deal found 9/2$618
Sat 7/312:15
ICN
-
SYD
1 stop17h 05m
China Eastern
Mon 9/312:00
SYD
-
ICN
2 stops25h 15m
China Eastern
Deal found 9/2$620
Wed 11/315:40
ICN
-
SYD
2 stops19h 55m
China Eastern
Tue 17/312:00
SYD
-
ICN
2 stops25h 15m
China Eastern
Deal found 11/2$621
Fri 13/316:40
ICN
-
SYD
2 stops18h 55m
China Eastern
Fri 20/310:00
SYD
-
ICN
3 stops37h 45m
China Eastern
Deal found 9/2$623
Wed 4/315:40
ICN
-
SYD
2 stops19h 55m
China Eastern
Fri 20/310:00
SYD
-
ICN
3 stops37h 45m
China Eastern
Deal found 9/2$624
Wed 11/321:50
ICN
-
SYD
Nonstop10h 15m
Jetstar
Sun 15/311:40
SYD
-
ICN
Nonstop10h 35m
Jetstar
Deal found 9/2$625

Find 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 12 February 2026.

Round-trip from

$608

One-way from

$285

Popular in

January

Cheapest in

March

Average price

$1,076

Good round-trip deal

$331 or less

Good one-way deal

$410 or less
China Eastern
  • China Eastern
  • 6/3-11/3
  • 5 total stops
  • 48h 10m total
  • Incheon to Sydney
China Southern
  • China Southern
  • 20/3
  • 2 total stops
  • 43h 40m total
  • Incheon to Sydney
Highest demand for flights based on searches. 25% potential increase in price ($412 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average return price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Incheon Intl to Sydney Kingsford Smith.
Price to beat on a one-way flight from Incheon Intl to Sydney Kingsford Smith.

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 12 February 2026.
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

Wed 11/3

07:25-11:00

3 stops25h 35m

Sydney Kingsford Smith

Wed 18/3

10:00-21:45

3 stops37h 45m

$618

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 4/3

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Mon 9/3

11:40-20:15

Nonstop10h 35m

$625

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 11/3

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 18/3

11:40-20:15

Nonstop10h 35m

$625

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 10/3

14:20-11:00

3 stops42h 40m

Sydney Kingsford Smith

Tue 17/3

21:30-11:15

2 stops39h 45m

$628

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Mon 9/3

14:20-07:20

3 stops39h 00m

Sydney Kingsford Smith

Sat 14/3

21:30-20:40

2 stops25h 10m

$628

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 11/3

12:15-13:35

2 stops23h 20m

Sydney Kingsford Smith

Sat 14/3

21:30-21:45

2 stops26h 15m

$638

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 3/3

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Sat 14/3

11:40-20:15

Nonstop10h 35m

$639

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 4/3

20:50-07:20

1 stop32h 30m

Sydney Kingsford Smith

Mon 9/3

13:30-21:45

3 stops34h 15m

$652

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 14/3

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Mon 23/3

11:40-20:15

Nonstop10h 35m

$653

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 10/6

14:15-08:00

3 stops40h 45m

Sydney Kingsford Smith

Fri 26/6

10:05-11:15

1 stop26h 10m

$682

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 23 results
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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 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 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 return flight from Incheon Intl to Sydney. Price data was last updated on 6 February 2026.

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 $503). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $749). 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 12 February 2026.

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 for a return flight from Incheon Intl Airport to Sydney?

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 12 February 2026.
See what other customers who have flown with Korean Air, Asiana Airlines, andQantas Airways from Incheon Intl Airport to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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!!

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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!!

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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!!

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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!!

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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

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?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith is the airport most travellers will use when flying to Sydney from Incheon Intl. Booking flights from Incheon Intl to Kingsford Smith (SYD) should be relatively easy as there are 11 daily inbound flights from Incheon Intl from 5 different airlines.

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

    China Eastern and Jetstar can get you from Incheon Intl Airport to Sydney in just under 10h 15m. Your travel time can differ by up to 15h 20m. Airlines will cover a distance of 8335 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Jetstar, at $425, was found to be the cheapest airline from Incheon Intl Airport to Sydney.Alternate airlines to your destination round-trip include T'way Air and Qantas Airways. Jetstar is priced at 50% lower than the current average price of a flight leaving 3 months from now.

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

    $255 is the cheapest one-way deal found within the past few days, from T'way Air. You may also be able to find cheap deals on Jetstar and XiamenAir, with prices starting from $256 and $261, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Incheon Intl Airport to Sydney consider choosing T'way Air(72%), Etihad Airways(70%) or Turkish Airlines(70%), as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Incheon Intl Airport to Sydney is $261. On average you can expect to pay $1,008. The most popular route, (Incheon Intl - Sydney Kingsford Smith), can usually be booked for $481.

  • 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 holiday 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 $503). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $749). 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 Sydney?

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Top 5 airlines flying from Incheon Intl to Sydney

Discover the top 5 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 647,157 searches. Data last updated 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$425Average$816FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
T'way AirCheapest$538Average$860FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Qantas AirwaysCheapest$832Average$1,230FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Asiana AirlinesCheapest$923Average$1,347FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest$962Average$1,141FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Incheon Intl to Sydney, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Incheon Intl to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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