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$279+ Cheap flights from Sydney (SYD) to Seoul (SEL)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Seoul are usually found in May or March, booked 87 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from Sydney to Seoul

Cheapest flights from Sydney to Seoul
Explore the most affordable flight options available from Sydney to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This T'way Air deal was found by Cheapflights users on 12/17. 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:15 pmSYD - ICN
Nonstop11h 00mT'way Air
Wed 12/249:40 pmICN - SYD
Nonstop10h 35mT'way Air
Deal found 12/17$1,076
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:15 amSYD - ICN
1 stop34h 10mVietJet Air
Sat 1/107:00 amICN - SYD
1 stop23h 05mVietJet Air
Deal found 12/16$1,114
This T'way Air deal was found by Cheapflights users on 12/17. 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:15 pmSYD - ICN
Nonstop11h 00mT'way Air
Wed 12/249:40 pmICN - SYD
Nonstop10h 35mT'way Air
Deal found 12/17$1,182
This T'way Air deal was found by Cheapflights users on 12/16. 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:15 pmSYD - ICN
Nonstop11h 00mT'way Air
Fri 12/269:40 pmICN - SYD
Nonstop10h 35mT'way Air
Deal found 12/16$1,184
This Philippine Airlines deal was found by Cheapflights users on 12/17. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:35 amSYD - ICN
1 stop20h 35mPhilippine Airlines
Mon 12/227:30 amICN - SYD
1 stop24h 20mPhilippine Airlines
Deal found 12/17$1,205
This T'way Air deal was found by Cheapflights users on 12/16. 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:15 pmSYD - ICN
Nonstop11h 00mT'way Air
Mon 12/229:40 pmICN - SYD
Nonstop10h 35mT'way Air
Deal found 12/16$1,216
This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:05 pmSYD - ICN
1 stop16h 10mScoot
Sat 1/1011:00 pmICN - SYD
1 stop17h 50mScoot
Deal found 12/17$1,301
This T'way Air deal was found by Cheapflights users on 12/16. 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:15 pmSYD - ICN
Nonstop11h 00mT'way Air
Wed 2/49:40 pmICN - SYD
Nonstop10h 35mT'way Air
Deal found 12/16$1,304
This Sichuan Airlines deal was found by Cheapflights users on 12/17. 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 Sichuan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:25 pmSYD - ICN
1 stop18h 05mSichuan Airlines
Thu 1/82:30 pmICN - SYD
1 stop22h 10mSichuan Airlines
Deal found 12/17$1,315
This T'way Air deal was found by Cheapflights users on 12/17. 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:15 pmSYD - ICN
Nonstop11h 00mT'way Air
Sun 1/189:40 pmICN - SYD
Nonstop10h 35mT'way Air
Deal found 12/17$1,321
This Sichuan Airlines deal was found by Cheapflights users on 12/17. 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 Sichuan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:25 pmSYD - ICN
1 stop18h 05mSichuan Airlines
Tue 1/62:30 pmICN - SYD
1 stop22h 10mSichuan Airlines
Deal found 12/17$1,348
This Qantas Airways deal was found by Cheapflights users on 12/16. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:25 pmSYD - GMP
1 stop15h 30mMultiple Airlines
Fri 12/2612:05 pmGMP - SYD
1 stop19h 50mMultiple Airlines
Deal found 12/16$1,719

Find flight deals from Sydney to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Seoul (SEL). 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 December 18, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$531
(Kiwi.com)

One-way from

$279

Popular in

December

Cheapest in

May

Average price

$983

Good round-trip deal

$719 or less

Good one-way deal

$460 or less
Provider with most accurate pricing for Sydney Kingsford Smith-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Seoul (SEL) flights.
Search Deals
From Sydney Kingsford Smith to Seoul (SEL)
Search Deals
One-way flight from Sydney Kingsford Smith to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to Seoul (SEL).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Seoul 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 December 18, 2025.
Use the filters below to find and compare flights from Sydney to Seoul that are best for you.

Fly from

Sydney

Fly to

Seoul

Route

Depart

Return

Price

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sun 5/17

10:15 am-4:25 pm

1 stop31h 10m

Incheon Intl

Tue 5/19

5:55 pm-8:15 am

1 stop37h 20m

$542

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sun 5/17

10:15 am-6:15 am

2 stops21h 00m

Incheon Intl

Tue 5/19

6:45 am-7:20 am

1 stop23h 35m

$644

SydneySeoul

SYD - GMP

SYDGMP

Sydney Kingsford Smith

Sat 1/31

8:40 pm-1:05 pm

1 stop18h 25m

Seoul Gimpo Intl

Sat 2/7

2:25 pm-12:00 pm

1 stop19h 35m

$742

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 2/13

7:00 am-1:55 pm

2 stops32h 55m

Incheon Intl

Sun 2/22

3:00 pm-8:50 pm

1 stop27h 50m

$772

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Wed 2/11

8:45 am-9:25 pm

1 stop14h 40m

Incheon Intl

Fri 2/20

3:00 pm-4:30 pm

2 stops23h 30m

$838

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 4/24

7:55 am-5:35 pm

Nonstop10h 40m

Incheon Intl

Fri 5/22

7:10 pm-6:20 am

Nonstop10h 10m

$854

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sun 5/17

7:55 am-5:35 pm

Nonstop10h 40m

Incheon Intl

Tue 5/19

7:10 pm-6:20 am

Nonstop10h 10m

$854

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 3/20

11:35 am-1:55 pm

2 stops28h 20m

Incheon Intl

Fri 4/10

10:10 am-8:10 pm

1 stop33h 00m

$867

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sun 2/15

11:10 am-8:50 am

1 stop23h 40m

Incheon Intl

Tue 2/17

10:35 am-10:45 am

1 stop22h 10m

$871

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 2/17

8:45 am-1:55 pm

1 stop31h 10m

Incheon Intl

Fri 2/20

3:00 pm-4:30 pm

2 stops23h 30m

$887

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 44 results
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Compare providers for flights from Sydney to Seoul

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 Sydney to Seoul in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star

*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 Sydney-Seoul flights, users find the pricing of OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on Sydney-Seoul flight deals on Cheapflights vs. OneTravel >95% of the time. Price accuracy is based on data collected from Sydney-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Seoul flights, Cheapflights users trust OneTravel the most. OneTravel 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 Sydney-Seoul 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 Sydney to Seoul

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Seoul. Price data was last updated on December 12, 2025.

The best time to book flights from Sydney to Seoul is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, June is the cheapest month in which you can book a flight from Sydney to Seoul (average of $223). Flying from Sydney to Seoul in December is currently the most expensive (average of $430). 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 SYD to SEL?

Find hourly flight availability from Sydney to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Sydney to Seoul is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 46% on airfare.

Weekly flight availability from Sydney to Seoul

Explore weekly flight availability from Sydney to Seoul. 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 December 18, 2025.

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

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

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

Share of 1-stop round-trip flights from Sydney to Seoul chosen by Cheapflights users in the past 12 months, using the same layover each way.

Kuala Lumpur (KUL) – chosen by Cheapflights users on 50% of 1-stop itineraries from Sydney to Seoul on Cheapflights.

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

Average round-trip fare for 1-stop flights from Sydney to Seoul, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Kuala Lumpur (KUL) is the most affordable 1-stop option, with an average round-trip price of $380.

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

Shortest average travel time for 1-stop one-way flights from Sydney to Seoul, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Shanghai (PVG) have the shortest average one-way travel time for 1-stop routes: 16h 25m.

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

Average layover duration for 1-stop one-way flights from Sydney to Seoul, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Guangzhou (CAN) offer the fastest connection on this route, with an average layover time of 2h 53m.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Korean Air, Asiana Airlines, and China Southern from Sydney to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,186 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
493 reviews
Korean Air
8.4
Very good
1,186 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Southern
7.5
Good
122 reviews
Korean Air
8.4
Very good
1,186 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Jetstar
6.6
Okay
493 reviews
Korean Air
8.4
Very good
1,186 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Seoul. 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 from for flights from Sydney to Seoul?

    If you book a flight to Seoul from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 10 flights from Kingsford Smith to Seoul per day from 5 different airlines.

  • How popular is this Sydney to Seoul flight route?

    This flight path from Sydney Kingsford Smith to Seoul was viewed by 26 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 Sydney to Seoul?

    Departing from Sydney to Seoul will take you 18h 25m. Sydney and Seoul are separated by a distance of 5179 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Jetstar is currently your cheapest option to Seoul, with prices starting at $268. Additional round-trip tickets that might be worth considering are offered by China Southern and T'way Air, with the lowest prices starting at $374 and $377, respectively. Jetstar is priced at 56% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $193 on T'way Air. Other airlines that offer cheap prices include Jetstar from $205 and Asiana Airlines from $416 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Sydney to Seoul consider choosing KLM (80%), Korean Air (80%) or MIAT Mongolian (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Sydney to Seoul?

    Looking for the cheapest flight from Sydney to Seoul? While on average our users pay $1,418, our data indicates the cheapest price to be $224. The most popular route (Sydney Kingsford Smith - Incheon Intl), is priced around $417.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Sydney to Seoul (average of $223). Flying from Sydney to Seoul in December is currently the most expensive (average of $430). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Seoul

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

Top 5 airlines flying from Sydney to Seoul

Discover the top 5 airlines that operate flights from Sydney to Seoul. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$307Average$578FlexibilityNo cancel feeOn-time74%
China SouthernCheapest$374Average$397FlexibilityNo cancel feeOn-time69%
T'way AirCheapest$377Average$504FlexibilityNo cancel feeOn-time88%
Korean AirCheapest$776Average$864FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$827Average$1,032FlexibilityNo cancel feeOn-time76%

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