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Cheap flights from Incheon Intl Airport to Sydney from $290

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SYD
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Incheon Intl to Sydney Kingsford Smith are usually found in June or March, booked 81 days in advance, depart on a Monday or Friday and return on a Monday

Cheap 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 29 April 2025.

Round-trip from

$610

One-way from

$290

Popular in

January

Cheapest in

June

Average price

$871

Good round-trip deal

$290 or less

Good one-way deal

$301 or less
China Eastern
  • China Eastern
  • 19/6-23/6
  • 6 total stops
  • 67h 20m total
  • Incheon to Sydney
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AirAsia X
  • AirAsia X
  • 24/5
  • 1 total stop
  • 22h 35m total
  • Incheon to Sydney
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($294 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Incheon Intl to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Incheon Intl to Sydney Kingsford Smith.
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Find flight deals from Incheon Intl to Sydney

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 29 April 2025.

Thu 19/612:15ICN - SYD
1 stop18h 45mChina Eastern
Fri 27/612:00SYD - ICN
1 stop31h 30mChina Eastern
Deal found 28/4$610
Fri 15/820:20ICN - SYD
1 stop22h 40mMultiple Airlines
Tue 19/812:50SYD - ICN
1 stop22h 25mMultiple Airlines
Deal found 29/4$624
Mon 4/811:30ICN - SYD
1 stop23h 05mScoot
Sat 9/820:45SYD - ICN
1 stop38h 30mScoot
Deal found 29/4$626
Mon 9/615:15ICN - SYD
1 stop16h 10mChina Southern
Mon 16/608:45SYD - ICN
2 stops37h 05mChina Southern
Deal found 29/4$632
Tue 1/721:50ICN - SYD
Nonstop10h 15mJetstar
Thu 10/710:45SYD - ICN
Nonstop10h 30mJetstar
Deal found 28/4$657
Sun 11/513:30ICN - SYD
1 stop18h 50mXiamenAir
Sun 18/511:25SYD - ICN
1 stop26h 05mXiamenAir
Deal found 29/4$685
Wed 7/522:10ICN - SYD
Nonstop10h 45mT'way Air
Thu 15/511:40SYD - ICN
Nonstop10h 50mT'way Air
Deal found 29/4$696
Thu 10/708:15ICN - SYD
1 stop22h 35mAirAsia X
Mon 14/709:15SYD - ICN
1 stop22h 45mAirAsia X
Deal found 29/4$784
Sat 1/1110:35ICN - SYD
1 stop21h 15mVietnam Airlines
Wed 19/1115:15SYD - ICN
1 stop16h 15mVietnam Airlines
Deal found 27/4$802

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 29 April 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

Thu 19/6

14:15-07:40

3 stops40h 25m

Sydney Kingsford Smith

Mon 23/6

11:20-13:15

3 stops26h 55m

$610

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Fri 15/8

20:20-20:00

1 stop22h 40m

Sydney Kingsford Smith

Tue 19/8

12:50-10:15

1 stop22h 25m

$624

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Mon 4/8

11:30-19:30

1 stop31h 00m

Sydney Kingsford Smith

Tue 12/8

12:50-10:15

1 stop22h 25m

$626

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Mon 9/6

15:15-08:25

1 stop16h 10m

Sydney Kingsford Smith

Mon 16/6

08:45-20:50

2 stops37h 05m

$632

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 1/7

21:50-09:05

Nonstop10h 15m

Sydney Kingsford Smith

Thu 10/7

10:45-20:15

Nonstop10h 30m

$657

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Fri 16/5

22:10-09:55

Nonstop10h 45m

Sydney Kingsford Smith

Thu 22/5

11:40-21:30

Nonstop10h 50m

$667

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sun 11/5

13:30-09:20

1 stop18h 50m

Sydney Kingsford Smith

Sun 18/5

11:25-12:30

1 stop26h 05m

$685

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Thu 10/7

08:15-07:50

1 stop22h 35m

Sydney Kingsford Smith

Mon 14/7

09:15-07:00

1 stop22h 45m

$784

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sun 28/9

10:35-08:15

1 stop20h 40m

Sydney Kingsford Smith

Fri 17/10

11:15-16:25

1 stop31h 10m

$827

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 24/5

08:15-07:50

1 stop22h 35m

$290

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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 25 April 2025.

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, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of $129). Flying from Incheon Intl Airport to Sydney in October is currently the most expensive (average of $171). 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 29 April 2025.

When flying from Incheon Intl Airport to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 49% versus a flight in the afternoon.

Weekly flight availability from Incheon Intl Airport to Sydney

Explore weekly flight availability from Incheon Intl to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 April 2025.

The most flights from ICN to SYD are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 29 April 2025.
Get a feel of what it's like to fly with Singapore Airlines, Vietnam Airlines and China Southern from Seoul to Sydney by reading reviews from past customers. 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.
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,292 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Vietnam Airlines
7.6
Good
196 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
China Southern
7.5
Good
96 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Malaysia Airlines
7.3
Good
254 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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 10 daily inbound flights from Incheon Intl from 8 different airlines.

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

    Within the past month, 515 users have taken a look at flights from Incheon Intl to Sydney Kingsford Smith.

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

    China Eastern, at $610, was found to be the cheapest airline from Incheon Intl Airport to Sydney.Alternate airlines to your destination round-trip include Scoot and China Southern. China Eastern is priced at 34% 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?

    $290 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 Scoot and XiamenAir, with prices starting from $292 and $294, 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(68%), KLM(62%) or Air France(62%), 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 $272. On average you can expect to pay $1,584. The most popular route, (Incheon Intl - Sydney Kingsford Smith), can usually be booked for $209.

  • 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, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of $129). Flying from Incheon Intl Airport to Sydney in October is currently the most expensive (average of $171). 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
Parramatta
Wollongong
Katoomba
Manly
Penrith
Coogee
Randwick
Terrigal
Cronulla
Lithgow
Bondi Beach
Leura
Swansea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Incheon Intl to Sydney

Discover the top 8 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$545Average$720FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
T'way AirCheapest$583Average$1,047FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
China SouthernCheapest$611Average$720FlexibilityNo cancel feeOn-time69%
Search China Southern flights
JetstarCheapest$648Average$960FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Singapore AirlinesCheapest$743Average$1,352FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$977Average$1,260FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Korean AirCheapest$1,059Average$1,301FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapest$1,086Average$1,418FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Incheon Intl to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Incheon Intl to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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