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Cheap flights from Seoul to Sydney from $323

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — SYD
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seoul to Sydney Kingsford Smith are usually found in March or April, booked 74 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 15 June 2026.

Mon 29/612:00
GMP
-
SYD
1 stop23h 35m
China Eastern
Tue 14/711:00
SYD
-
GMP
1 stop25h 00m
China Eastern
Deal found 13/6$685
Thu 3/921:30
ICN
-
SYD
1 stop16h 25m
Jetstar
Tue 8/910:45
SYD
-
ICN
Nonstop10h 30m
Jetstar
Deal found 12/6$795
Wed 18/1111:35
ICN
-
SYD
1 stop29h 15m
Multiple Airlines
Tue 24/1121:00
SYD
-
ICN
1 stop25h 35m
Multiple Airlines
Deal found 12/6$797
Thu 10/921:50
ICN
-
SYD
Nonstop10h 15m
Jetstar
Tue 15/906:00
SYD
-
ICN
1 stop15h 00m
Jetstar
Deal found 12/6$798
Thu 3/923:00
ICN
-
SYD
2 stops19h 20m
Multiple Airlines
Wed 9/910:45
SYD
-
ICN
Nonstop10h 30m
Multiple Airlines
Deal found 11/6$800
Wed 2/923:00
ICN
-
SYD
2 stops19h 20m
Multiple Airlines
Wed 9/910:45
SYD
-
ICN
Nonstop10h 30m
Multiple Airlines
Deal found 12/6$801
Thu 27/823:00
ICN
-
SYD
2 stops19h 20m
Scoot
Tue 1/913:00
SYD
-
ICN
1 stop22h 15m
Scoot
Deal found 10/6$804
Sun 18/1011:00
ICN
-
SYD
1 stop31h 20m
Scoot
Fri 23/1014:00
SYD
-
ICN
2 stops33h 45m
Scoot
Deal found 15/6$805
Wed 2/911:30
ICN
-
SYD
1 stop23h 15m
Scoot
Tue 8/913:00
SYD
-
ICN
2 stops33h 45m
Scoot
Deal found 11/6$807
Mon 6/714:15
ICN
-
SYD
3 stops40h 45m
China Eastern
Mon 13/720:30
SYD
-
ICN
1 stop19h 40m
China Eastern
Deal found 10/6$808
Wed 26/811:30
ICN
-
SYD
1 stop30h 50m
Multiple Airlines
Thu 3/921:00
SYD
-
ICN
1 stop24h 25m
Multiple Airlines
Deal found 11/6$810
Mon 14/911:00
ICN
-
SYD
1 stop31h 20m
Scoot
Fri 18/920:35
SYD
-
ICN
1 stop38h 10m
Scoot
Deal found 11/6$811

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 15 June 2026.

Round-trip from

$685

One-way from

$323

Popular in

December

Cheapest in

March

Average price

$750

Good round-trip deal

$441 or less

Good one-way deal

$452 or less
China Eastern
  • China Eastern
  • 29/6-14/7
  • 2 total stops
  • 48h 35m total
  • Seoul to Sydney
Search Deals
Jetstar
  • Jetstar
  • 24/8
  • Nonstop
  • 10h 15m total
  • Seoul to Sydney
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($158 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 15 June 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

Wed 24/6

14:15-08:00

3 stops40h 45m

Sydney Kingsford Smith

Wed 1/7

10:05-13:15

3 stops28h 10m

$852

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 1/7

15:55-12:35

2 stops19h 40m

Sydney Kingsford Smith

Wed 8/7

10:05-13:15

3 stops28h 10m

$871

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 15/8

23:50-19:20

1 stop18h 30m

Sydney Kingsford Smith

Thu 20/8

20:35-15:30

1 stop19h 55m

$917

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Mon 24/8

16:45-11:45

1 stop18h 00m

Sydney Kingsford Smith

Fri 28/8

20:35-15:30

1 stop19h 55m

$939

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Fri 14/8

16:45-11:45

1 stop18h 00m

Sydney Kingsford Smith

Thu 20/8

20:35-15:30

1 stop19h 55m

$939

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 18/8

16:45-10:25

1 stop16h 40m

Sydney Kingsford Smith

Wed 26/8

13:00-07:45

1 stop19h 45m

$939

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 29/8

16:45-11:45

1 stop18h 00m

Sydney Kingsford Smith

Sat 5/9

20:35-15:30

1 stop19h 55m

$973

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 11/8

23:50-19:20

1 stop18h 30m

Sydney Kingsford Smith

Fri 14/8

20:35-15:30

1 stop19h 55m

$977

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Fri 4/9

23:50-19:20

1 stop18h 30m

Sydney Kingsford Smith

Thu 10/9

20:35-15:30

1 stop19h 55m

$981

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Fri 21/8

23:50-19:20

1 stop18h 30m

Sydney Kingsford Smith

Thu 27/8

20:35-22:20

1 stop26h 45m

$981

Flights are sorted by cheapest return flights first.

Deals found on 10/6

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

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

Currently, June is the cheapest month in which you can book a flight from Seoul to Sydney (average of $250). Flying from Seoul to Sydney in January is currently the most expensive (average of $1,336). 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 15 June 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 15 June 2026.

The most flights from SEL to SYD are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 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 $591.

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.

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

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 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 15 June 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
1,218 reviews
Check prices

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

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!!
Korean Air
8.4
Very Good
1,218 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

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!!
Asiana Airlines
8.1
Very Good
541 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

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!!
Qantas Airways
7.5
Good
1,046 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

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!!
Jetstar
6.5
Okay
545 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

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

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 and Singapore Airlines can get you from Seoul to Sydney in just under 18h 30m. Your travel time can differ by up to 22h 15m. 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 $420, 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 Asiana Airlines - these airlines can fly you to your destination from $662 and $942, respectively. Jetstar is priced at 51% 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?

    $231 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 Jetstar and XiamenAir, with prices starting from $238 and $262, respectively.

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

    Consider T'way Air (92%), KLM (74%) or Air France (74%) 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 $337. While the most popular route (Incheon Intl - Sydney Kingsford Smith) can be booked for $685 on average, our data indicates $1,035 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, June is the cheapest month in which you can book a flight from Seoul to Sydney (average of $250). Flying from Seoul to Sydney in January is currently the most expensive (average of $1,336). 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
Cronulla
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Leura
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 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$420Average$901FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
T'way AirCheapest$662Average$1,065FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Asiana AirlinesCheapest$942Average$1,488FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Qantas AirwaysCheapest$953Average$1,335FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Korean AirCheapest$971Average$1,482FlexibilityNo cancel feeOn-time81%
Search Korean Air 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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