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$245+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEL
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Seoul are usually found in March or May, booked 6 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap 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 September 19, 2025.

Round-trip from

$379
(AirAsia)

One-way from

$245
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$598

Good round-trip deal

$644 or less

Good one-way deal

$359 or less
From Sydney Kingsford Smith to Seoul (SEL)
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One-way flight from Sydney Kingsford Smith to Seoul (SEL)
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Highest demand for flights based on searches. 19% potential increase in price ($151 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to Seoul (SEL).
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Price to beat on a one-way flight from Sydney Kingsford Smith to Seoul (SEL).
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Find 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 September 19, 2025.

This AirAsia deal was found by Cheapflights users on 9/18. 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.
Tue 10/289:50 pmSYD - ICN
1 stop23h 55mAirAsia X
Mon 11/310:55 pmICN - SYD
1 stop19h 40mAirAsia X
Deal found 9/18$379
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:20 pmSYD - ICN
1 stop21h 55mScoot
Sat 11/1511:35 amICN - SYD
1 stop29h 15mScoot
Deal found 9/17$385
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:40 amSYD - ICN
Nonstop10h 35mMultiple Airlines
Tue 12/98:20 pmICN - SYD
1 stop22h 15mMultiple Airlines
Deal found 9/17$436
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:40 amSYD - ICN
Nonstop10h 35mJetstar
Tue 12/99:50 pmICN - SYD
Nonstop10h 15mJetstar
Deal found 9/17$449
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:40 amSYD - ICN
Nonstop10h 35mMultiple Airlines
Sat 12/67:35 amICN - SYD
1 stop23h 40mMultiple Airlines
Deal found 9/17$478
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:50 pmSYD - ICN
1 stop23h 55mMultiple Airlines
Sat 11/157:35 amICN - SYD
3 stops33h 15mMultiple Airlines
Deal found 9/17$488
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Sun 10/1911:45 amSYD - ICN
Nonstop10h 30mMultiple Airlines
Sun 10/261:20 pmICN - SYD
1 stop19h 05mMultiple Airlines
Deal found 9/18$494
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:40 amSYD - ICN
Nonstop10h 35mJetstar
Sat 12/69:50 pmICN - SYD
Nonstop10h 15mJetstar
Deal found 9/17$507
This Mytrip deal was found by Cheapflights users on 9/18. 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 11/211:25 amSYD - ICN
1 stop29h 50mChina Southern
Sun 11/92:50 pmICN - SYD
1 stop16h 35mChina Southern
Deal found 9/18$512
This Mytrip deal was found by Cheapflights users on 9/18. 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 11/212:00 pmSYD - GMP
2 stops27h 50mMultiple Airlines
Sun 11/91:45 pmGMP - SYD
2 stops19h 15mMultiple Airlines
Deal found 9/18$667
This Booking.com deal was found by Cheapflights users on 9/18. 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.
Sun 10/1911:15 amSYD - GMP
2 stops27h 10mChina Southern
Sun 10/261:30 pmGMP - SYD
2 stops28h 50mChina Southern
Deal found 9/18$736
This China Southern deal was found by Cheapflights users on 9/16. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:45 amSYD - GMP
2 stops52h 40mChina Southern
Mon 10/131:30 pmGMP - SYD
2 stops41h 55mChina Southern
Deal found 9/16$906

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 September 19, 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

Mon 11/17

12:15 pm-9:15 pm

Nonstop11h 00m

Incheon Intl

Sun 11/23

9:40 pm-10:15 am

Nonstop10h 35m

$595

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 10/17

11:15 am-6:40 am

1 stop21h 25m

Incheon Intl

Sun 11/2

10:35 am-1:15 pm

1 stop24h 40m

$615

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Mon 11/3

11:10 am-8:50 am

1 stop23h 40m

Incheon Intl

Mon 11/10

10:35 am-10:45 am

1 stop22h 10m

$664

SydneySeoul

SYD - GMP

SYDGMP

Sydney Kingsford Smith

Sun 11/2

12:00 pm-1:50 pm

2 stops27h 50m

Seoul Gimpo Intl

Sun 11/9

1:45 pm-11:00 am

2 stops19h 15m

$667

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Sat 10/25

12:40 pm-9:30 pm

Nonstop10h 50m

Incheon Intl

Sat 11/8

9:40 pm-10:15 am

Nonstop10h 35m

$687

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 3/17

11:50 am-4:25 pm

1 stop30h 35m

Incheon Intl

Mon 3/23

6:15 am-9:50 am

2 stops25h 35m

$707

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Tue 3/17

11:50 am-6:30 am

1 stop20h 40m

Incheon Intl

Sun 3/29

6:50 am-1:15 pm

2 stops28h 25m

$712

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Wed 3/18

11:50 am-6:30 am

1 stop20h 40m

Incheon Intl

Thu 3/26

5:55 pm-1:15 pm

2 stops41h 20m

$726

SydneySeoul

SYD - GMP

SYDGMP

Sydney Kingsford Smith

Sun 10/19

11:15 am-12:25 pm

2 stops27h 10m

Seoul Gimpo Intl

Sun 10/26

1:30 pm-8:20 pm

2 stops28h 50m

$736

SydneyIncheon

SYD - ICN

SYDICN

Sydney Kingsford Smith

Fri 10/31

11:45 am-12:45 pm

2 stops27h 00m

Incheon Intl

Tue 11/11

7:35 pm-7:15 am

1 stop33h 40m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 43 results
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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 September 12, 2025.

The best time to book flights from Sydney to Seoul is 6 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, February is the cheapest month in which you can book a flight from Sydney to Seoul (average of $989). Flying from Sydney to Seoul in December is currently the most expensive (average of $1,621). 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 September 19, 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 at noon could potentially save you up to 51% 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 September 19, 2025.

The most flights from SYD to SEL are scheduled on a Tuesday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (9 on average).

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 80% 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 $381.

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 Guangzhou (CAN) have the shortest average one-way travel time for 1-stop routes: 17h 10m.

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 September 19, 2025.
Read reviews from past customers who have flown Korean Air, Asiana Airlines, and Qantas Airways 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
1,140 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.4

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
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.4

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
481 reviews
Korean Air
8.4
Very good
1,140 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.4

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.
Qantas Airways
7.5
Good
907 reviews
Korean Air
8.4
Very good
1,140 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.4

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
6.5
Okay
474 reviews
Korean Air
8.4
Very good
1,140 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.4

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 11h. 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 $331. Additional round-trip tickets that might be worth considering are offered by T'way Air and Qantas Airways, with the lowest prices starting at $399 and $755, respectively. Jetstar is priced at 46% 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 $251 on Jetstar. Other airlines that offer cheap prices include Scoot from $259 and T'way Air from $289 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 T'way Air (58%), Qantas Airways (56%) or Jetstar (56%) 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 $1,291, our data indicates the cheapest price to be $300. The most popular route (Sydney Kingsford Smith - Seoul Gimpo Intl), is priced around $558.

  • 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, February is the cheapest month in which you can book a flight from Sydney to Seoul (average of $989). Flying from Sydney to Seoul in December is currently the most expensive (average of $1,621). 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$331Average$534FlexibilityNo cancel feeOn-time74%
T'way AirCheapest$399Average$504FlexibilityNo cancel feeOn-time88%
Qantas AirwaysCheapest$755Average$1,007FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$776Average$918FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$827Average$1,110FlexibilityNo cancel feeOn-time76%

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