Question 1

How far in advance should I book a flight to Sydney?

Accepted Answer

You are more likely to see cheaper flights to Sydney from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $629 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Seoul for as low as $527 on momondo.

Question 2

Which layover airport has the shortest travel time from Seoul to Sydney?

Accepted Answer

Flights connecting via Hong Kong (HKG) have the shortest average one-way travel time: 14h 30m.

Question 3

How have Seoul to Sydney flight prices changed over time?

Accepted Answer

As of December 2025, prices for Seoul to Sydney flights are approximately 11% cheaper when compared to flights at the same time last year.

Question 4

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 5

Which airport is the most popular layover for flights between Seoul and Sydney?

Accepted Answer

Hong Kong (HKG) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Question 6

How many flights depart from Seoul to Sydney on average per day?

Accepted Answer

As of December 2025, there are 11 flights per day flying from Seoul to Sydney. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

Question 7

What is the most punctual flight time for Seoul to Sydney flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Question 8

Which layover airport offers the lowest fares from Seoul to Sydney?

Accepted Answer

Flights via Singapore (SIN) offer the lowest average round-trip price of $692.

Question 9

What is the cheapest day to depart on your flight to Sydney?

Accepted Answer

The cheapest day to depart from Seoul to Sydney is on a Tuesday when prices can be found for as low as $582. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $848.

Question 10

What is the cheapest airline that flies from Seoul to Sydney Kingsford Smith?

Accepted Answer

Jetstar, Scoot, and China Southern are the most popular carriers operating from Seoul to Sydney Kingsford Smith

Question 11

Can stopping save me money on Seoul to Sydney flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Seoul to Sydney.

Question 12

What airlines fly to Sydney?

Accepted Answer

Jetstar, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Sydney from Seoul according to our data. Jetstar is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Question 13

What is the cheapest time of day to depart on your flight to Sydney?

Accepted Answer

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Seoul to Sydney in the morning for as low as $519. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $764. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Question 14

How long does it take to fly to Sydney?

Accepted Answer

Flight times from Seoul to Sydney vary, but if you’re flying out of Incheon and flying into Sydney (one of the most popular routes), then the duration is 10h 15m on average. Another popular route from Seoul to Sydney is flying from Seoul to Sydney, which will take roughly 16h 05m. Keep in mind that layovers or delays could extend your travel time.

Question 15

What is the typical price of a round-trip flight between Seoul and Sydney?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $620 to $857.
The lowest price recently found on this route was $565.

Question 16

Which layover airport has the shortest connection time from Seoul to Sydney?

Accepted Answer

Hong Kong (HKG) has the shortest average layover time for this route: 1h 25m.

Question 17

What is the cheapest Seoul to Sydney Kingsford Smith flight route?

Accepted Answer

Fly from Incheon Intl to Sydney Kingsford Smith for the best Seoul - Sydney Kingsford Smith flight prices

Question 18

How many flights depart from Seoul to Sydney on average per week?

Accepted Answer

The number of flights available between Seoul and Sydney is 82 per week as of December 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

Question 19

What is the cheapest month to fly to Sydney?

Accepted Answer

In general, March is the cheapest month to fly from Seoul to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $452. If you are unable to visit Sydney during the month of March, then departing from Seoul during the month May is also very affordable. Most momondo users find prices during this month for around $466.

Question 20

What cabin class options are available on Seoul to Sydney Kingsford Smith flights?

Accepted Answer

There are 3 cabin classes available to choose from on Seoul to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 21

How often are flights from Seoul to Sydney delayed?

Accepted Answer

Historically, on average around 0% of flights between Seoul and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

Question 22

When did momondo last update prices for flights from Seoul to Sydney Kingsford Smith Airport?

Accepted Answer

Prices for flights from Seoul to Sydney Kingsford Smith Airport refresh daily.

Question 23

How many operators does momondo search for flights from Seoul to Sydney Kingsford Smith Airport?

Accepted Answer

As of December 2025, there are 5 operators available to choose from for flights from Seoul to Sydney Kingsford Smith Airport.

Question 24

How old do you have to be to fly from Seoul to Sydney Kingsford Smith Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Sydney Kingsford Smith Airport.

Question 25

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

Accepted Answer

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best Price Found	$350
Fastest flight time	10h 15m
Direct flights	Every day
Airports in Sydney	1 airport

Airline	Rating	Free Cancellation	Price
China Eastern	PriceFrom $385	Free Cancellation	Rating 7.2 178 reviews	Search China Eastern flights
Jetstar	PriceFrom $394	Free Cancellation	Rating 6.6 490 reviews	Search Jetstar flights
T'way Air	PriceFrom $448	Free Cancellation	Rating 0.0 0 reviews	Search T'way Air flights
Korean Air	PriceFrom $657	Free Cancellation	Rating 8.4 1,184 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $710	Free Cancellation	Rating 8.2 492 reviews	Search Asiana Airlines flights

Cheap flights from Seoul to Sydney from $215

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Sydney departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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