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$183+ Cheap flights from Seoul (SEL) to Sydney (SYD)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — SYD
Apr 30 — May 71
Thu 4/30
Thu 5/7
1 adult, Economy
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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 Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Seoul to Sydney

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 March 31, 2026.

This Booking.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:15 pm
ICN
-
SYD
1 stop27h 10m
Multiple Airlines
Sat 5/239:45 am
SYD
-
ICN
1 stop22h 15m
Multiple Airlines
Deal found 3/27$375
This Booking.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:00 pm
ICN
-
SYD
2 stops19h 20m
Multiple Airlines
Sat 5/169:45 am
SYD
-
ICN
1 stop22h 15m
Multiple Airlines
Deal found 3/30$394
This AirAsia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:15 am
ICN
-
SYD
1 stop23h 05m
AirAsia X
Sat 10/3110:45 am
SYD
-
ICN
1 stop21h 35m
AirAsia X
Deal found 3/30$395
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:45 pm
ICN
-
SYD
1 stop25h 40m
China Southern
Thu 6/1110:05 am
SYD
-
ICN
1 stop36h 45m
China Southern
Deal found 3/29$402
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:15 pm
ICN
-
SYD
1 stop27h 10m
China Southern
Fri 5/2910:05 am
SYD
-
ICN
1 stop36h 45m
China Southern
Deal found 3/30$403
This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:40 am
ICN
-
SYD
1 stop25h 45m
China Southern
Fri 5/222:10 pm
SYD
-
ICN
1 stop32h 40m
China Southern
Deal found 3/30$410
This Trip.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:15 pm
ICN
-
SYD
1 stop27h 10m
China Southern
Fri 5/222:10 pm
SYD
-
ICN
1 stop32h 40m
China Southern
Deal found 3/31$412
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2111:00 pm
ICN
-
SYD
2 stops19h 20m
Multiple Airlines
Fri 6/129:45 am
SYD
-
ICN
1 stop22h 15m
Multiple Airlines
Deal found 3/27$413
This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:15 pm
ICN
-
SYD
1 stop27h 10m
China Southern
Sat 5/302:10 pm
SYD
-
ICN
1 stop32h 40m
China Southern
Deal found 3/30$414
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2111:00 pm
ICN
-
SYD
2 stops19h 20m
Multiple Airlines
Fri 6/199:45 am
SYD
-
ICN
1 stop22h 15m
Multiple Airlines
Deal found 3/26$415
This Jetabroad deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/218:15 am
ICN
-
SYD
1 stop23h 05m
AirAsia X
Fri 6/199:45 am
SYD
-
ICN
1 stop22h 15m
AirAsia X
Deal found 3/26$418
This Justfly.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:15 pm
ICN
-
SYD
1 stop27h 10m
China Southern
Sun 6/72:10 pm
SYD
-
ICN
1 stop32h 40m
China Southern
Deal found 3/30$420

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 March 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$375
(Booking.com)

One-way from

$183
(AirAsia)

Popular in

December

Cheapest in

March

Average price

$466

Good round-trip deal

$591 or less

Good one-way deal

$244 or less
Provider with most accurate pricing for Seoul (SEL)-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Sydney Kingsford Smith flights.
Search Deals
From Seoul (SEL) to Sydney Kingsford Smith
Search Deals
One-way flight from Seoul (SEL) to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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

 
Customize 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 2,558,603 searches. Data last updated March 31, 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 round-trip

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 6/2

2:15 pm-12:35 pm

2 stops21h 20m

Sydney Kingsford Smith

Sun 6/7

8:30 pm-9:05 pm

2 stops25h 35m

$547

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Thu 5/21

1:10 pm-12:35 pm

2 stops22h 25m

Sydney Kingsford Smith

Thu 6/11

11:00 am-1:15 pm

3 stops27h 15m

$548

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 8/15

8:15 am-8:20 am

1 stop23h 05m

Sydney Kingsford Smith

Sun 8/23

9:45 am-7:00 am

1 stop22h 15m

$560

SeoulSydney

GMP - SYD

GMPSYD

Seoul Gimpo Intl

Tue 8/25

12:00 pm-9:00 am

1 stop20h 00m

Sydney Kingsford Smith

Mon 8/31

8:30 pm-7:50 pm

1 stop24h 20m

$590

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 8/18

4:45 pm-11:45 am

1 stop18h 00m

Sydney Kingsford Smith

Tue 8/25

8:35 pm-3:30 pm

1 stop19h 55m

$605

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Wed 5/13

11:00 am-7:35 pm

1 stop31h 35m

Sydney Kingsford Smith

Sun 5/17

9:15 am-7:10 am

1 stop22h 55m

$625

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Thu 5/14

12:00 pm-9:00 am

2 stops20h 00m

Sydney Kingsford Smith

Fri 5/22

10:05 am-1:15 pm

3 stops28h 10m

$631

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Thu 5/14

3:55 pm-9:00 am

2 stops40h 05m

Sydney Kingsford Smith

Sun 5/17

8:30 pm-8:40 pm

2 stops25h 10m

$645
Quickest round-trip

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Tue 8/4

9:50 pm-9:05 am

Nonstop10h 15m

Sydney Kingsford Smith

Tue 8/11

10:45 am-8:15 pm

Nonstop10h 30m

$648

IncheonSydney

ICN - SYD

ICNSYD

Incheon Intl

Sat 8/1

12:10 am-7:00 am

1 stop29h 50m

Sydney Kingsford Smith

Tue 8/11

9:15 am-7:10 am

1 stop22h 55m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 40 resultsSorted by cheapest first
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Compare providers for flights from Seoul to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Sydney in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seoul-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Seoul to Sydney. Price data was last updated on March 13, 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 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, March is the cheapest month in which you can book a flight from Seoul to Sydney (average of $333). Flying from Seoul to Sydney in January is currently the most expensive (average of $541). 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 March 31, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul to Sydney as you normally would.

How much does it cost to fly round-trip from Seoul to Sydney?

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 March 31, 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andJetstar from Seoul to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,203 reviews

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

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
1,203 reviews
Korean Air
8.4
Very good
1,203 reviews

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

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
507 reviews
Korean Air
8.4
Very good
1,203 reviews

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

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
535 reviews
Korean Air
8.4
Very good
1,203 reviews

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

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?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Seoul. On average, Kingsford Smith has 8 inbound flights from Seoul per day from 3 airlines. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

  • How long is the flight from Seoul to Sydney?

    A quick flight from Seoul to Sydney can take about 10h 15m. China Southern provides one of the quickest options available for as low as $550. The distance from Seoul to Sydney is about 5179 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Jetstar ($370), Asiana Airlines ($743), and Korean Air ($748) offers the cheapest pricing from Seoul to Sydney. Users have found that Jetstar is 35% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $173 on Jetstar. Other airlines that offer cheap prices include China Eastern from $215 and T'way Air from $217 one-way.

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

    The top 3 most reliable airlines when flying from Seoul to Sydney are T'way Air (86%), Qantas Airways (69%) and Jetstar (69%).

  • What are the cheapest flights from Seoul to Sydney?

    On average you can expect to pay $1,393 for a flight from Seoul to Sydney. The cheapest flight overall is $188 while the most popular route, (Incheon Intl - Sydney Kingsford Smith) is currently priced at $413.

  • 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 vacation 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 $333). Flying from Seoul to Sydney in January is currently the most expensive (average of $541). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

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

Top 3 airlines flying from Seoul to Sydney

Discover the top 3 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 2,558,603 searches. Data last updated March 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$370Average$547FlexibilityNo cancel feeOn-time74%
Asiana AirlinesCheapest$743Average$1,236FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$748Average$1,036FlexibilityNo cancel feeOn-time81%

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