Cheap flights from Incheon Intl Airport to Sydney from $417

ICN — SYD
10 Dec — 17 Dec1
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 82 days in advance, depart on a Sunday or Tuesday 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

Thu 12/1112:15 -
1 stop18h 50m
Sun 22/1111:05 -
3 stops28h 10m
Deal found 5/11$874
Mon 16/1120:50 -
1 stop34h 15m
Fri 20/1111:10 -
2 stops33h 45m
Deal found 6/11$875
Fri 13/1119:55 -
2 stops35h 05m
Fri 20/1111:10 -
2 stops33h 45m
Deal found 6/11$876
Thu 12/1112:15 -
1 stop18h 50m
Wed 25/1111:10 -
3 stops28h 05m
Deal found 5/11$878
Thu 19/1112:15 -
1 stop18h 50m
Sat 21/1111:15 -
2 stops29h 25m
Deal found 5/11$879
Tue 22/1212:15 -
1 stop18h 50m
Fri 22/109:20 -
1 stop32h 00m
Deal found 8/11$881
Mon 16/1121:50 -
Nonstop10h 15m
Wed 25/1107:25 -
2 stops19h 15m
Deal found 6/11$882
Fri 6/1119:55 -
2 stops35h 05m
Fri 20/1111:10 -
3 stops28h 05m
Deal found 5/11$884
Mon 28/1216:20 -
1 stop19h 15m
Wed 13/121:30 -
1 stop16h 25m
Deal found 6/11$885
Sun 15/1116:10 -
1 stop19h 25m
Thu 19/1110:50 -
2 stops26h 10m
Deal found 7/11$887
Tue 10/1115:40 -
2 stops39h 35m
Wed 18/1111:10 -
2 stops28h 05m
Deal found 9/11$889

Find flight deals from Incheon Intl to Sydney

Round-trip from

$874

One-way from

$417

Popular in

January

Cheapest in

March

Average price

$1,055

Good round-trip deal

$438 or less

Good one-way deal

$506 or less
China Eastern
  • China Eastern
  • 20/11-25/11
  • 3 total stops
  • 67h 55m total
  • Incheon to Sydney
Jetstar
  • Jetstar
  • 25/2-31/12
  • Nonstop
  • 10h 15m total
  • Incheon to Sydney
Highest demand for flights based on searches. 19% potential increase in price ($369 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average return price).
Average for round-trip flights in November 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

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Fri 26/2

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$458

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Thu 26/11

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$532

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Fri 11/12

11:05-10:00

2 stops44h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$548

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Tue 16/3

21:40-10:15

Nonstop10h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$652

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Sat 13/2

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$652

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Sat 19/12

07:00-10:00

2 stops25h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$697

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Tue 22/12

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$733

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Fri 25/12

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$742

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Sun 31/1

01:55-07:15

1 stop27h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$816

IncheonSydney

ICN Incheon Intl - SYD Sydney Kingsford Smith

ICNSYD

Incheon Intl

Fri 26/2

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-23:00

Nonstop0h 00m

$945

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 23 resultsSorted by cheapest first
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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

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?

Booking 81 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 $742). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $1,369). 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?

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?

Airfare is typical for this route at the moment.

Incheon Intl Airport to Sydney flights typically cost between $846 and $1,318 in November.
The cheapest return price found within the last 5 days was $874 on China Eastern (20 Nov–25 Nov).

Reviews of airlines servicing Sydney

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.

Boarding

8.5

Food

8.1

Overall

8.4

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!!

Boarding

8.5

Food

8.1

Overall

8.4

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!!

Boarding

8.5

Food

8.1

Overall

8.4

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!!

Boarding

8.5

Food

8.1

Overall

8.4

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!!

Boarding

8.5

Food

8.1

Overall

8.4

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

  • 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 12 daily inbound flights from Incheon Intl from 5 different airlines.

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

    Singapore Airlines can get you from Incheon Intl Airport to Sydney in just under 17h 15m. Your travel time can differ by up to . Airlines will cover a distance of 8335 km.

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

    Jetstar, at $599, was found to be the cheapest airline from Incheon Intl Airport to Sydney.Alternate airlines to your destination round-trip include Trinity Airways (Formerly T'way Air) and Qantas Airways. Jetstar is priced at 41% 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?

    $243 is the cheapest one-way deal found within the past few days, from AirAsia X. You may also be able to find cheap deals on China Southern and Jetstar, with prices starting from $248 and $267, 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 Trinity Airways (Formerly T'way Air)(84%), Etihad Airways(70%) or Qantas Airways(67%), 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 $318. On average you can expect to pay $1,247. The most popular route, (Incheon Intl - Sydney Kingsford Smith), can usually be booked for $749.

  • 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 $742). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $1,369). 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?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Manly
Cronulla
Katoomba
Terrigal
Lithgow
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Incheon Intl to Sydney

AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$599Average$899FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Trinity Airways (Formerly T'way Air)Cheapest$676Average$1,164FlexibilityNo cancel feeOn-time88%
Search Trinity Airways (Formerly T'way Air) flights
Qantas AirwaysCheapest$973Average$1,381FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Korean AirCheapest$1,130Average$1,494FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapest$1,142Average$1,509FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

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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.

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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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