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Cheap flights from Seoul to Sydney from $312

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — SYD
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Seoul to Sydney Kingsford Smith are usually found in March or May, booked 16 days in advance, depart on a Monday or Saturday 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 5 December 2025.

Wed 17/1221:40ICN - SYD
Nonstop10h 35mMultiple Airlines
Wed 15/710:45SYD - ICN
Nonstop10h 30mMultiple Airlines
Deal found 2/12$755
Wed 3/1221:40ICN - SYD
Nonstop10h 35mMultiple Airlines
Sat 31/108:10SYD - ICN
1 stop15h 40mMultiple Airlines
Deal found 2/12$756
Tue 30/1214:20ICN - SYD
3 stops42h 40mChina Eastern
Thu 8/112:00SYD - ICN
2 stops25h 15mChina Eastern
Deal found 2/12$758
Thu 4/1214:20ICN - SYD
3 stops42h 40mChina Eastern
Thu 15/121:30SYD - ICN
1 stop18h 00mChina Eastern
Deal found 3/12$759
Thu 11/1221:50ICN - SYD
Nonstop10h 15mJetstar
Tue 13/111:40SYD - ICN
Nonstop10h 35mJetstar
Deal found 3/12$761
Tue 30/1214:20ICN - SYD
3 stops42h 40mChina Eastern
Wed 7/112:00SYD - ICN
2 stops25h 15mChina Eastern
Deal found 3/12$762
Mon 29/1214:20ICN - SYD
3 stops39h 00mMultiple Airlines
Mon 12/111:40SYD - ICN
Nonstop10h 35mMultiple Airlines
Deal found 1/12$764
Sat 20/1221:40ICN - SYD
1 stop17h 40mMultiple Airlines
Sun 1/208:10SYD - ICN
1 stop15h 40mMultiple Airlines
Deal found 4/12$770
Mon 15/1221:40ICN - SYD
Nonstop10h 35mMultiple Airlines
Tue 10/311:40SYD - ICN
Nonstop10h 35mMultiple Airlines
Deal found 2/12$776
Wed 3/1212:45ICN - SYD
2 stops29h 35mChina Southern
Sat 31/109:20SYD - ICN
2 stops37h 30mChina Southern
Deal found 2/12$777
Wed 24/1212:00GMP - SYD
1 stop23h 35mChina Eastern
Tue 6/112:00SYD - GMP
1 stop25h 00mChina Eastern
Deal found 4/12$892
Wed 24/1213:30GMP - SYD
2 stops22h 05mMultiple Airlines
Tue 6/112:00SYD - GMP
1 stop25h 00mMultiple Airlines
Deal found 4/12$901

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 5 December 2025.

Round-trip from

$755

One-way from

$312

Popular in

December

Cheapest in

March

Average price

$1,124

Good round-trip deal

$496 or less

Good one-way deal

$500 or less
China Eastern
  • China Eastern
  • 30/12-8/1
  • 5 total stops
  • 67h 55m total
  • Seoul to Sydney
Search Deals
China Eastern
  • China Eastern
  • 9/3
  • 3 total stops
  • 39h 00m total
  • Seoul to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($195 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 5 December 2025.
Use the filters below to find and compare flights from Seoul to Sydney that are best for you.

Fly from

Seoul

Fly to

Sydney

Route

Depart

Return

Price

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 28/2

21:30-22:15

1 stop22h 45m

Sydney Kingsford Smith

Sat 7/3

11:40-20:15

Nonstop10h 35m

$871

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 22/4

11:00-06:25

1 stop18h 25m

Sydney Kingsford Smith

Thu 30/4

22:10-22:30

1 stop25h 20m

$895

SeoulSydney

GMP - SYD

GMPSYD

Seoul Gimpo Intl

Wed 24/12

13:30-13:35

2 stops22h 05m

Sydney Kingsford Smith

Tue 6/1

12:00-11:00

1 stop25h 00m

$909

SeoulSydney

GMP - SYD

GMPSYD

Seoul Gimpo Intl

Mon 6/4

19:55-19:15

1 stop22h 20m

Sydney Kingsford Smith

Mon 27/4

20:55-11:05

1 stop15h 10m

$927

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 11/3

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Sun 15/3

11:15-05:00

1 stop19h 45m

$978

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Fri 6/3

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Wed 11/3

11:40-20:15

Nonstop10h 35m

$981

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

$983

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Fri 20/2

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Sat 28/2

11:40-20:15

Nonstop10h 35m

$983

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Thu 5/3

21:50-10:05

Nonstop10h 15m

Sydney Kingsford Smith

Thu 12/3

11:40-20:15

Nonstop10h 35m

$983

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 22/4

11:00-09:20

2 stops21h 20m

Sydney Kingsford Smith

Wed 29/4

08:25-07:10

1 stop23h 45m

$1,006

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 45 results
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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 28 November 2025.

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 16 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, November is the cheapest month in which you can book a flight from Seoul to Sydney (average of $546). Flying from Seoul to Sydney in January is currently the most expensive (average of $779). 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 5 December 2025.

When flying from Seoul 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 56% versus a flight in the afternoon.

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 5 December 2025.

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 (11 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.

Shanghai (PVG) – chosen by Cheapflights users on 26% 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 $500.

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 25m.

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 Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 2h 23m.

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 5 December 2025.
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
1,179 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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
1,179 reviews
Korean Air
8.4
Very Good
1,179 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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
8.2
Very Good
490 reviews
Korean Air
8.4
Very Good
1,179 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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
947 reviews
Korean Air
8.4
Very Good
1,179 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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
6.6
Okay
488 reviews
Korean Air
8.4
Very Good
1,179 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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 11 flights from Seoul to Kingsford Smith per day from 6 different airlines.

  • How popular is this Seoul to Sydney flight route?

    This flight path from Seoul to Sydney Kingsford Smith was viewed by 515 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seoul to Sydney?

    Jetstar, Malaysia Airlines, and ANA can get you from Seoul to Sydney in just under 18h 25m. Your travel time can differ by up to 4h 20m. 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 $457, 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 China Eastern and T'way Air - these airlines can fly you to your destination from $528 and $579, respectively. Jetstar is priced at 47% 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?

    $177 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 $273 and $278, respectively.

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

    Consider T'way Air (81%), Qantas Airways (70%) or Jetstar (70%) 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 $263. While the most popular route (Incheon Intl - Sydney Kingsford Smith) can be booked for $501 on average, our data indicates $1,432 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, November is the cheapest month in which you can book a flight from Seoul to Sydney (average of $546). Flying from Seoul to Sydney in January is currently the most expensive (average of $779). 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
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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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 6 airlines flying from Seoul to Sydney

Discover the top 6 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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$528Average$851FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
T'way AirCheapest$579Average$1,124FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
JetstarCheapest$626Average$906FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Qantas AirwaysCheapest$895Average$1,323FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Asiana AirlinesCheapest$994Average$1,450FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest$1,015Average$1,207FlexibilityNo 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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