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Cheap flights from Seoul to Sydney from $238

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — SYD
14 May — 21 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seoul to Sydney Kingsford Smith are usually found in May or March, booked 65 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from Seoul to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Seoul to Sydney
Explore the most affordable flight options available from Seoul to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 April 2026.

Thu 2/708:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Sun 12/709:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 13/4$530
Thu 2/708:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Thu 16/709:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 11/4$531
Thu 29/1007:35
ICN
-
SYD
1 stop23h 40m
AirAsia X
Sun 1/1110:45
SYD
-
ICN
1 stop21h 35m
AirAsia X
Deal found 10/4$532
Thu 28/508:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Sat 6/609:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 13/4$545
Thu 6/808:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Fri 14/809:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 11/4$554
Thu 2/708:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Sun 2/809:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 12/4$555
Thu 13/808:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Sun 23/809:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 9/4$557
Fri 12/608:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Sun 14/609:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 13/4$558
Wed 8/708:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Sun 12/709:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 10/4$559
Thu 9/708:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Fri 24/709:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 10/4$562
Wed 8/708:15
ICN
-
SYD
1 stop23h 05m
AirAsia X
Sat 18/709:45
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 10/4$564
Sun 6/920:50
GMP
-
SYD
1 stop35h 10m
China Eastern
Sun 13/911:00
SYD
-
GMP
1 stop25h 00m
China Eastern
Deal found 14/4$848

Find flight deals from Seoul to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) 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 14 April 2026.

Round-trip from

$530

One-way from

$238

Popular in

December

Cheapest in

May

Average price

$734

Good round-trip deal

$766 or less

Good one-way deal

$365 or less
AirAsia X
  • AirAsia X
  • 2/7-12/7
  • 2 total stops
  • 45h 20m total
  • Seoul to Sydney
Search Deals
Jetstar
  • Jetstar
  • 19/8
  • Nonstop
  • 10h 15m total
  • Seoul to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($171 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to Sydney Kingsford Smith.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seoul 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 14 April 2026.
Use the filters below to find and compare flights from Seoul to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sun 17/5

14:15-12:35

2 stops21h 20m

Sydney Kingsford Smith

Sat 23/5

10:00-14:50

2 stops29h 50m

$728

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 2/6

11:55-12:35

2 stops23h 40m

Sydney Kingsford Smith

Tue 16/6

11:00-13:15

3 stops51h 15m

$872
Fastest return journey

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sun 13/9

21:50-09:05

Nonstop10h 15m

Sydney Kingsford Smith

Mon 21/9

10:45-20:15

Nonstop10h 30m

$895

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Mon 15/6

14:15-09:00

3 stops41h 45m

Sydney Kingsford Smith

Fri 19/6

10:05-13:15

3 stops28h 10m

$918

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Thu 1/10

08:15-08:20

1 stop23h 05m

Sydney Kingsford Smith

Thu 8/10

21:50-17:55

1 stop22h 05m

$930

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Fri 24/4

21:50-09:05

Nonstop10h 15m

Sydney Kingsford Smith

Tue 28/4

06:00-20:00

1 stop15h 00m

$932

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Thu 4/6

15:50-08:00

2 stops39h 10m

Sydney Kingsford Smith

Sun 7/6

20:30-17:25

1 stop21h 55m

$963

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sun 9/8

08:30-09:00

2 stops23h 30m

Sydney Kingsford Smith

Sun 23/8

20:30-14:55

2 stops19h 25m

$972

SeoulSydney

GMP - SYD

GMPSYD

Seoul Gimpo Intl

Sat 9/5

20:50-09:00

1 stop35h 10m

Sydney Kingsford Smith

Sat 16/5

10:00-11:00

3 stops50h 00m

$1,020

SeoulSydney

GMP - SYD

GMPSYD

Seoul Gimpo Intl

Wed 2/9

07:40-09:25

1 stop24h 45m

Sydney Kingsford Smith

Wed 9/9

11:45-22:20

1 stop35h 35m

$1,044

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 43 resultsSorted by cheapest first
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Best time to book a flight from Seoul to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Seoul 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 Seoul to Sydney

How far ahead should I book a flight from Seoul to Sydney?

Use this chart to determine the optimal time to book a return flight from Seoul to Sydney. Price data was last updated on 10 April 2026.

The price you pay for your flight from Seoul to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seoul to Sydney?

Currently, March is the cheapest month in which you can book a flight from Seoul to Sydney (average of $469). Flying from Seoul to Sydney in January is currently the most expensive (average of $769). 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 SEL to SYD?

Find hourly flight availability from Seoul 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 14 April 2026.

When flying from Seoul to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Seoul to Sydney

Explore weekly flight availability from Seoul 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 14 April 2026.

The most flights from SEL to SYD are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost for a return flight from Seoul to Sydney?

What’s the top stopover airport for flights from Seoul to Sydney?

Share of one-stop return flights from Seoul to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Hong Kong (HKG) – chosen by Cheapflights users on 38% of one-stop itineraries from Seoul to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from Seoul to Sydney?

Average return fare for one-stop flights from Seoul to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Kuala Lumpur (KUL) is the most affordable one-stop option, with an average return flight price of $551.

What’s the fastest stopover option from Seoul to Sydney?

Shortest average travel time for one-stop one-way flights from Seoul to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Shanghai (PVG) have the shortest average one-way travel time for one-stop routes: 15h 40m.

Which airport typically offers the quickest stopover for flights from Seoul to Sydney?

Average stopover duration for one-stop one-way flights from Seoul to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Hanoi (HAN) offer the fastest connection on this route, with an average stopover time of 2h 58m.

How often are flights from Seoul to Sydney delayed?

About 0% of weekly flights between Seoul and Sydney have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Seoul to Sydney flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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 14 April 2026.
Check out reviews from past customers who have flown with Korean Air,Asiana Airlines, andQantas Airways from Seoul to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,205 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

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!!
Korean Air
8.4
Very Good
1,205 reviews
Korean Air
8.4
Very Good
1,205 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

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!!
Asiana Airlines
8.1
Very Good
516 reviews
Korean Air
8.4
Very Good
1,205 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

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!!
Qantas Airways
7.5
Good
1,019 reviews
Korean Air
8.4
Very Good
1,205 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

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!!
Jetstar
6.5
Okay
538 reviews
Korean Air
8.4
Very Good
1,205 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

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 Seoul 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 Seoul?

    If you book a flight to Sydney from Seoul, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 10 flights from Seoul to Kingsford Smith per day from 5 different airlines.

  • How long is the flight from Seoul to Sydney?

    China Eastern, Jetstar, and AirAsia X can get you from Seoul to Sydney in just under 10h 15m. Your travel time can differ by up to 12h 50m. The distance between Seoul and Sydney is about 8335 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seoul to Sydney round-trip?

    Currently priced at $419, Jetstar will fly you from Seoul to Sydney and back. In addition to Jetstar, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from T'way Air and Qantas Airways - these airlines can fly you to your destination from $661 and $875, respectively. Jetstar is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seoul to Sydney one-way?

    $248 is the cheapest one-way deal found within the past few days, from Jetstar. You may also be able to find cheap deals on T'way Air and XiamenAir, with prices starting from $263 and $263, respectively.

  • What are the most reliable airlines from Seoul to Sydney?

    Consider T'way Air (91%), Qantas Airways (68%) or Jetstar (68%) when booking your flight. These represent the most reliable airlines when flying from Seoul to Sydney.

  • What are the cheapest flights from Seoul to Sydney?

    Looking at all options, your cheapest flight can be booked for $289. While the most popular route (Incheon Intl - Sydney Kingsford Smith) can be booked for $530 on average, our data indicates $968 when flying from Seoul to Sydney.

  • Can I find deals for flights from Seoul to Sydney that include hotel bookings?

    Yes. In addition to deals on Seoul to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Sydney.

  • Can I find deals for business class flights from Seoul to Sydney?

    Yes. Cheapflights offers flight deals from Seoul 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 Seoul to Sydney?

    Currently, March is the cheapest month in which you can book a flight from Seoul to Sydney (average of $469). Flying from Seoul to Sydney in January is currently the most expensive (average of $769). 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
Katoomba
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Sydney flights
Busan to Sydney flights
Daegu to Sydney flights

Top 5 airlines flying from Seoul to Sydney

Discover the top 5 airlines that operate flights from Seoul 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 14 April 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$419Average$846FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
T'way AirCheapest$661Average$1,064FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Qantas AirwaysCheapest$875Average$1,395FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Korean AirCheapest$970Average$1,262FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapest$989Average$1,448FlexibilityNo 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 Seoul to Sydney?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Seoul today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seoul to Sydney.

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

Certainly. Search results for flights to Sydney from Seoul shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Seoul to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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