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Cheap flights from Sydney to Seoul from $178

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Seoul departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

AirAsia X Logo
9:15 pm - 8:05 pmSYD-ICN
23h 50m1 stop
AirAsia X Logo
8:20 pm - 8:00 pmICN-SYD
22h 40m1 stop
$334AirAsia X
Find Deal
Tue, Aug 26 - Mon, Sep 1
AirAsia X Logo
9:15 am - 7:00 amSYD-ICN
22h 45m1 stop
AirAsia X Logo
8:15 am - 7:50 amICN-SYD
22h 35m1 stop
$336AirAsia X
Find Deal
Fri, Aug 15 - Sat, Aug 23
AirAsia X Logo
9:15 am - 7:00 amSYD-ICN
22h 45m1 stop
AirAsia X Logo
8:15 am - 7:50 amICN-SYD
22h 35m1 stop
$337AirAsia X
Find Deal
Fri, Aug 15 - Sat, Aug 23
AirAsia X Logo
9:15 am - 7:00 amSYD-ICN
22h 45m1 stop
AirAsia X Logo
8:20 pm - 8:00 pmICN-SYD
22h 40m1 stop
$345AirAsia X
Find Deal
Wed, Aug 27 - Wed, Sep 3
Hainan Airlines Logo
9:00 pm - 8:45 pmSYD-ICN
24h 45m1 stop
Hainan Airlines Logo
9:50 pm - 2:15 pmICN-SYD
15h 25m1 stop
$369Hainan Airlines
Find Deal
Tue, Sep 9 - Wed, Sep 17
Logo
9:15 am - 7:00 amSYD-ICN
22h 45m1 stop
Logo
1:20 pm - 10:25 amICN-SYD
19h 05m1 stop
$376
Find Deal
Wed, Aug 27 - Fri, Nov 28
Logo
9:15 pm - 7:05 pmSYD-ICN
22h 50m1 stop
Logo
1:30 pm - 9:20 amICN-SYD
18h 50m1 stop
$377
Find Deal
Thu, Sep 4 - Thu, Sep 18
Scoot Logo
12:50 pm - 9:20 pmSYD-ICN
33h 30m2 stops
Scoot Logo
11:30 am - 11:35 amICN-SYD
23h 05m1 stop
$404Scoot
Find Deal
Tue, Sep 9 - Wed, Sep 17
Scoot Logo
12:50 pm - 10:15 amSYD-ICN
22h 25m1 stop
Scoot Logo
10:35 pm - 7:30 pmICN-SYD
19h 55m2 stops
$405Scoot
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Tue, Aug 12 - Tue, Aug 19
Hong Kong Airlines Logo
12:20 pm - 1:50 pmSYD-ICN
27h 30m1 stop
Hong Kong Airlines Logo
2:35 pm - 10:55 amICN-SYD
18h 20m1 stop
$480Hong Kong Airlines
Find Deal
Fri, Oct 17 - Sun, Nov 2

AirAsia X flights from Sydney to Incheon Intl Airport

Our best AirAsia X deals on Sydney to Incheon Intl Airport flight tickets
AirAsia X
Aug 26
SYD9:15 pmSydney Kingsford Smith
23h 50m
1 stop
ICN8:05 pmIncheon Intl
Sep 1
ICN8:20 pmIncheon Intl
22h 40m
1 stop
SYD8:00 pmSydney Kingsford Smith
$334
Find similar
AirAsia X
Aug 15
SYD9:15 amSydney Kingsford Smith
22h 45m
1 stop
ICN7:00 amIncheon Intl
Aug 23
ICN8:15 amIncheon Intl
22h 35m
1 stop
SYD7:50 amSydney Kingsford Smith
$336
Find similar
AirAsia X
Aug 15
SYD9:15 amSydney Kingsford Smith
22h 45m
1 stop
ICN7:00 amIncheon Intl
Aug 23
ICN8:15 amIncheon Intl
22h 35m
1 stop
SYD7:50 amSydney Kingsford Smith
$337
Find similar

XiamenAir flights from Sydney to Incheon Intl Airport

Our best XiamenAir deals on Sydney to Incheon Intl Airport flight tickets
XiamenAir
Aug 18
SYD11:25 amSydney Kingsford Smith
26h 05m
1 stop
ICN12:30 pmIncheon Intl
Aug 22
ICN1:30 pmIncheon Intl
18h 50m
1 stop
SYD9:20 amSydney Kingsford Smith
$483
Find similar
XiamenAir
Sep 8
SYD11:25 amSydney Kingsford Smith
26h 05m
1 stop
ICN12:30 pmIncheon Intl
Sep 23
ICN1:30 pmIncheon Intl
18h 50m
1 stop
SYD9:20 amSydney Kingsford Smith
$492
Find similar
XiamenAir
Oct 17
SYD12:25 pmSydney Kingsford Smith
26h 05m
1 stop
ICN12:30 pmIncheon Intl
Nov 2
ICN1:20 pmIncheon Intl
19h 05m
1 stop
SYD10:25 amSydney Kingsford Smith
$503
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sydney to Incheon Intl Airport 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Sydney to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 8/26

9:15 pm-8:05 pm

1 stop23h 50m

Incheon Intl

Mon 9/1

8:20 pm-8:00 pm

1 stop22h 40m

$334

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 8/15

9:15 am-7:00 am

1 stop22h 45m

Incheon Intl

Sat 8/23

8:15 am-7:50 am

1 stop22h 35m

$336

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 8/15

9:15 am-7:00 am

1 stop22h 45m

Incheon Intl

Sat 8/23

8:15 am-7:50 am

1 stop22h 35m

$337

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Wed 8/27

9:15 am-7:00 am

1 stop22h 45m

Incheon Intl

Wed 9/3

8:20 pm-8:00 pm

1 stop22h 40m

$345

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 9/9

9:00 pm-8:45 pm

1 stop24h 45m

Incheon Intl

Wed 9/17

9:50 pm-2:15 pm

1 stop15h 25m

$369

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Wed 8/27

9:15 am-7:00 am

1 stop22h 45m

Incheon Intl

Fri 11/28

1:20 pm-10:25 am

1 stop19h 05m

$376

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Thu 9/4

9:15 pm-7:05 pm

1 stop22h 50m

Incheon Intl

Thu 9/18

1:30 pm-9:20 am

1 stop18h 50m

$377

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 9/9

12:50 pm-9:20 pm

2 stops33h 30m

Incheon Intl

Wed 9/17

11:30 am-11:35 am

1 stop23h 05m

$404

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 8/12

12:50 pm-10:15 am

1 stop22h 25m

Incheon Intl

Tue 8/19

10:35 pm-7:30 pm

2 stops19h 55m

$405

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 10/17

12:20 pm-1:50 pm

1 stop27h 30m

Incheon Intl

Sun 11/2

2:35 pm-10:55 am

1 stop18h 20m

$480

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Sydney to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Sydney and Incheon Intl Airport?

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Sydney is in March. Flight prices, which tend to average around $444, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of March, then departing from Sydney during the month June is also very affordable. Most momondo users find prices during this month for around $515.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Sydney to Incheon Intl Airport is on a Sunday when prices can be found for as low as $746. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,092. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the evening is the cheapest time of day to fly from Sydney to Incheon Intl Airport when you can find flight prices for as low as $472. Flying to Incheon Intl Airport in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $943 on average. Flights to Incheon Intl Airport from Sydney in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Sydney Kingsford Smith to Incheon Intl flight route?

Fly from Sydney Kingsford Smith to Incheon Intl for the best Sydney Kingsford Smith - Incheon Intl flight prices

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $676 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Sydney for as low as $621 on momondo.

What cabin class options are available on Sydney Kingsford Smith to Incheon Intl flights?

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Sydney to Incheon Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Sydney to Incheon Intl Airport.

How have Sydney to Incheon Intl Airport flight prices changed over time?

As of July 2025, prices for Sydney to Incheon Intl Airport flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

  • How far is Sydney Kingsford Smith to Incheon Intl by plane?

    The straight-line distance from Sydney Kingsford Smith to Incheon Intl is 5175.2 mi. 10h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Incheon Intl Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Incheon Intl Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Incheon Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The required travel and health documents for your Incheon Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Incheon Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Sydney to Incheon Intl Airport?

  • What is the most popular airline from Sydney to Incheon Intl Airport?

Best airlines flying from Sydney to Incheon Intl Airport

Compare and see reviews for airlines that fly from Sydney to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
JetstarPriceFrom $346Free CancellationRating
6.5
460 reviews
Search Jetstar flights
T'way AirPriceFrom $399Free CancellationRating
6.5
12 reviews
Search T'way Air flights
Qantas AirwaysPriceFrom $507Free CancellationRating
7.5
887 reviews
Search Qantas Airways flights
Korean AirPriceFrom $776Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $821Free CancellationRating
8.2
468 reviews
Search Asiana Airlines flights

  • Korean Air Flights From Sydney to Incheon Intl Airport

    Korean Air flies from Sydney to Incheon Intl Airport around 7 times per week, with 1,121 momondo users rating the airline 8.4/10. The cheapest Korean Air deal from Sydney to Incheon Intl Airport in the last 72 hours was $776 (round-trip), much lower than the average airfare cost of $921 for Korean Air flights on this route.

  • Asiana Airlines Flights From Sydney to Incheon Intl Airport

    Asiana Airlines (8.2/10 from 468 reviews) operates around 4 flights from Sydney to Incheon Intl Airport in any given week. The average Asiana Airlines airfare for this route is around $1,137, with deals from around $821 rare but found on momondo. Referenced prices are for round-trip Sydney to Incheon Intl Airport flight searches in the last 72 hours.

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Seongnam
Daejeon
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Seoul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sydney to Seoul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Sydney to Seoul with flexible booking policies on momondo?

Flights from Sydney to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sydney to Seoul?

momondo helps you find the best flight between Sydney and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sydney to Seoul right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Sydney and alert you when they change.

An easier way to manage your Incheon Intl Airport trip

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