Great1 stop · 14h
SEL to ISTTürkiye
Istanbul
$390
usually $640
−39%
Most monthly lows $515–$679. Cheaper than every other month on record (8).
Flights · SEL → SYD
Seoul to Sydney
Best fare, round trip
$548
−11%
below its usual $615
you keep $67
Found
- Depart
- Mon 1 Mar
- Return
- Mon 8 Mar
- Stay
- 7 nights
- Flight
- Nonstop · 10.5h
- Airline
Jetstar
Most of this route’s monthly lows fall between $560 and $677. The drop beats 25% of measured fares on the board, over 7 observed months.
Cached fare — the booking search re-prices live before you pay.
AustraliaSydneyHarbour sails, cliff walks and flat whites that ruin you for coffee anywhere else.Best windowOct–Nov · Mar–AprAirportsKingsford Smith (SYD)Every route into SydneyFare seasonality
When this route gets cheap.
Fares bottom out in March around $548 and peak in January near $726, 32% dearer, across the 7 months we track. The cheapest itinerary we are tracking flies Jetstar nonstop and takes about 10.5 hours outbound, on a 7-night trip. At $548 for 8,329 km each way, that works out to about $33 per 1,000 km flown. That is below the $44 per 1,000 km typical of long-haul fares here. Across the 9 departure cities we track at a similar distance from Sydney, this fare ranks 6th — 32% above the $414 from Singapore. That puts it in the cheaper half of the 44 routes of similar length we watch out of Seoul, where the middle fare is $666. The best time to be in Sydney: Oct–Nov · Mar–Apr.
Cheapest day in the next 4 months: 9 Nov, $559
Press a day to compare its fares
The median cached fare across this calendar is 15% higher than when tracking began on 8 Aug — $618 then versus $709 now, across 23 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $515, on 22 Oct.
October 2026
171819202122Friday 23 October: $560, below the usual price. Compare fares from this day.2425262728293031
November 2026
1Monday 2 November: $567, below the usual price. Compare fares from this day.34567Sunday 8 November: $681, around the usual price. Compare fares from this day.Monday 9 November: $559, the cheapest day in view. Compare fares from this day.10Wednesday 11 November: $605, below the usual price. Compare fares from this day.1213141516Tuesday 17 November: $683, around the usual price. Compare fares from this day.Wednesday 18 November: $600, below the usual price. Compare fares from this day.Thursday 19 November: $927, above the usual price. Compare fares from this day.202122Monday 23 November: $657, around the usual price. Compare fares from this day.24Wednesday 25 November: $766, above the usual price. Compare fares from this day.2627Saturday 28 November: $754, around the usual price. Compare fares from this day.29Monday 30 November: $749, around the usual price. Compare fares from this day.
December 2026
12345678910111213Monday 14 December: $1.1k, above the usual price. Compare fares from this day.15161718Saturday 19 December: $774, above the usual price. Compare fares from this day.2021222324Friday 25 December: $692, around the usual price. Compare fares from this day.2627Monday 28 December: $640, around the usual price. Compare fares from this day.Tuesday 29 December: $645, around the usual price. Compare fares from this day.3031
January 2027
Friday 1 January: $726, around the usual price. Compare fares from this day.23Monday 4 January: $908, above the usual price. Compare fares from this day.Tuesday 5 January: $888, above the usual price. Compare fares from this day.67891011121314Friday 15 January: $898, above the usual price. Compare fares from this day.Saturday 16 January: $1k, above the usual price. Compare fares from this day.171819202122232425262728293031
CheapestBelow usualUsualAbove usualCached fares · checked 17 Oct 2026 · bands from 118 tracked fares
Cheapest in Mar, around $548
11% below the $615 typical fare
$560Oct, below the usual price. Compare October fares.$559Nov, below the usual price. Compare November fares.$640Dec, around the usual price. Compare December fares.$726Jan ’27, above the usual price. Compare January fares.$677Feb, above the usual price. Compare February fares.$548Mar, the cheapest month. Compare March fares.$613May, around the usual price. Compare May fares.
CheapestBelow usualUsualAbove usualPress a month to compare its fares
Cheapest round-trip fare found each month, Seoul to Sydney, from cached prices.
Route facts
- Airports
- Incheon (ICN) · Gimpo (GMP) ↔ Kingsford Smith (SYD)
- Flight time
- ≈10.5 hours outbound
- Distance
- ≈8,329 km each way
- Typical price
- $615 round-trip (seasonal median)
- Airlines on the board
- Jetstar
- Itineraries
- Nonstop available
- Best months to visit
- Oct–Nov · Mar–Apr
Good to know
SEL → SYD, answered.
Is $548 a good price for Seoul to Sydney?
Only slightly. The seasonal median is around $615 round-trip and this fare is 11% under it. We do not call a drop notable until 20%, so this is an ordinary price for the route rather than a reason to hurry.
What is the cheapest month to fly from Seoul to Sydney?
Across 7 months of cached-fare history, Mar comes out cheapest on this route. The best months to actually be in Sydney are Oct–Nov · Mar–Apr — when those overlap, that's your window.
How far in advance should I book SEL → Sydney?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 7 months of cached fares, Mar comes out lowest on this route. Our guide Why flight prices change covers what does move a fare.
Are there nonstop flights from Seoul to Sydney?
Yes — the current board includes nonstop fares (Jetstar). The outbound leg runs around 10.5 hours.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on 17 October). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Sydney?
Lock the flight first — then compare stays for 1–8 Mar '27 · 7 nights.
Browse hotelsMissed it?
Cached fares expire. This route has a feed of its own — follow it and the next SEL → SYD drop reaches you as soon as we find it.
Follow this route’s feedKeep browsing
Related routes on the board.
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Most monthly lows $660–$762. Cheaper than every other month on record (3).
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Most monthly lows $1,319–$1,457. Cheaper than every other month on record (4).
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TYO to SYDJapan
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Most monthly lows $720–$954. Cheaper than every other month on record (4).
