Cheap flights from Incheon Intl Airport to Sydney from $333

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SYD
27 Jan — 3 Feb1
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 15 days in advance, depart on a Monday or Wednesday 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 28 December 2025.

Sat 27/1205:00ICN - SYD
2 stops25h 05mMultiple Airlines
Mon 12/120:40SYD - ICN
1 stop17h 00mMultiple Airlines
Deal found 25/12$896
Sat 27/1221:50ICN - SYD
Nonstop10h 15mMultiple Airlines
Sun 25/121:50SYD - ICN
1 stop20h 10mMultiple Airlines
Deal found 26/12$897
Tue 30/1205:00ICN - SYD
2 stops25h 05mMultiple Airlines
Tue 27/112:15SYD - ICN
Nonstop11h 00mMultiple Airlines
Deal found 25/12$899
Wed 31/1205:00ICN - SYD
2 stops25h 05mMultiple Airlines
Tue 13/110:45SYD - ICN
1 stop21h 35mMultiple Airlines
Deal found 26/12$902
Sun 28/1221:50ICN - SYD
Nonstop10h 15mMultiple Airlines
Sun 18/120:05SYD - ICN
1 stop16h 10mMultiple Airlines
Deal found 26/12$903
Sun 28/1205:00ICN - SYD
2 stops28h 30mMultiple Airlines
Tue 20/120:40SYD - ICN
1 stop17h 00mMultiple Airlines
Deal found 26/12$905
Sun 28/1205:00ICN - SYD
2 stops28h 30mMultiple Airlines
Fri 16/110:45SYD - ICN
1 stop21h 35mMultiple Airlines
Deal found 26/12$909
Sat 27/1221:50ICN - SYD
Nonstop10h 15mJetstar
Mon 12/111:40SYD - ICN
Nonstop10h 35mJetstar
Deal found 25/12$914
Wed 31/1213:20ICN - SYD
1 stop19h 05mMultiple Airlines
Thu 22/120:40SYD - ICN
1 stop27h 15mMultiple Airlines
Deal found 28/12$917
Sun 28/1221:50ICN - SYD
Nonstop10h 15mMultiple Airlines
Sat 24/120:40SYD - ICN
1 stop18h 40mMultiple Airlines
Deal found 26/12$918

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 28 December 2025.

Round-trip from

$893

One-way from

$333

Popular in

January

Cheapest in

March

Average price

$1,190

Good round-trip deal

$268 or less

Good one-way deal

$374 or less
Scoot
  • Scoot
  • 13/4-20/4
  • 3 total stops
  • 63h 35m total
  • Incheon to Sydney
China Eastern
  • China Eastern
  • 28/2
  • 2 total stops
  • 43h 40m total
  • Incheon to Sydney
Highest demand for flights based on searches. 22% potential increase in price ($412 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($59 potential savings vs. average return price).
Average for round-trip flights in December 2025
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 28 December 2025.
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

Fri 20/3

20:00-08:20

Nonstop10h 20m

Sydney Kingsford Smith

Fri 27/3

10:20-19:00

Nonstop10h 40m

$936

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 4/3

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 11/3

11:15-05:00

1 stop19h 45m

$979

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Thu 5/3

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 11/3

11:15-05:00

1 stop19h 45m

$979

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sun 31/5

21:50-09:05

Nonstop10h 15m

Sydney Kingsford Smith

Mon 8/6

10:45-20:15

Nonstop10h 30m

$984

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 9/5

21:50-09:05

Nonstop10h 15m

Sydney Kingsford Smith

Sat 16/5

10:45-20:15

Nonstop10h 30m

$985

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 7/4

21:50-09:05

Nonstop10h 15m

Sydney Kingsford Smith

Tue 14/4

10:45-20:15

Nonstop10h 30m

$985

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sun 10/5

21:50-09:05

Nonstop10h 15m

Sydney Kingsford Smith

Sat 16/5

10:45-20:15

Nonstop10h 30m

$985

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sun 5/4

21:50-09:05

Nonstop10h 15m

Sydney Kingsford Smith

Tue 14/4

10:45-20:15

Nonstop10h 30m

$985

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 24/2

09:00-07:55

1 stop20h 55m

Sydney Kingsford Smith

Thu 5/3

11:40-20:15

Nonstop10h 35m

$997

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 24/2

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Sat 28/2

11:40-20:15

Nonstop10h 35m

$1,024

Flights are sorted by cheapest return flights first.

Deals found on 28/12

Showing 1-10 of 22 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 26 December 2025.

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 $539). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $702). 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 28 December 2025.

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.

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 28 December 2025.
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.

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.5

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!!

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.5

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!!

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.5

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!!

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.5

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!!

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.5

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 popular is this Incheon Intl Airport to Sydney flight route?

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

    Qantas Airways can get you from Incheon Intl Airport to Sydney in just under 10h 15m. Your travel time will be generally consistent. Airlines will cover a distance of 8335 km. Generally, flights for this route are direct.

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

    Jetstar, at $450, 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 52% 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?

    $174 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 T'way Air and Jetstar, with prices starting from $270 and $273, 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(80%), Qantas Airways(61%) or Jetstar(61%), 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 $106. On average you can expect to pay $1,022. The most popular route, (Incheon Intl - Sydney Kingsford Smith), can usually be booked for $506.

  • 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 $539). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $702). 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
Katoomba
Penrith
Terrigal
Manly
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Coogee
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Cronulla
Bondi Beach

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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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$569Average$1,066FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
JetstarCheapest$616Average$876FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Qantas AirwaysCheapest$881Average$1,302FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Asiana AirlinesCheapest$978Average$1,427FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest$999Average$1,206FlexibilityNo 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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