Route brief · SYD → SEL
Sydney → Seoul
$541
−17% vs typical
seasonal median $650 · difference $109
Oct 13 – Oct 20 · 7 nights
Xiamen Airlines1 stop
- Usual monthly lows
- $614–$652
- Board rank
- Stronger than 45%
- Route sample
- 4 observed months
Cached fare — the booking search re-prices live before you pay.
Destination briefSELSeoulPalaces wedged between skyscrapers, barbecue smoke at midnight, cafés that outnumber people.Best windowApr–May · Sep–OctAirportsIncheon (ICN) · Gimpo (GMP)All routes into SeoulWhen this route gets cheap.
Cached-fare history: across 4 months, Oct is the cheapest for SYD → SEL. Best time to be there: Apr–May · Sep–Oct.
Fares bottom out in October around $541 and peak in September near $685 — a $144 spread across the 4 months we track. The cheapest itinerary we are tracking makes one stop and takes about 12.5 hours outbound, on a 7-night trip — ticketed under Xiamen Airlines, which on a connecting fare need not operate every leg. At $541 for 8,329 km each way, that works out to about $32 per 1,000 km flown. That is below the $44 typical of long-haul fares here. Across the 24 departure cities we track at a similar distance from Seoul, this fare ranks 5th — 12% above the $484 from Istanbul. That puts it in the cheaper half of the 18 routes of similar length we watch out of Sydney, where the middle fare is $560.
The 5 days we hold a cached fare for
Tap a date → live search
The median cached fare across this calendar is 4% higher than when tracking began on Aug 8 — $660 then versus $685 now, across 6 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 $535, on Oct 15.
These are the only days we have a cached price for on this route so far — not the only days it flies. The search above covers any date.
Cheapest in Oct · around $541
17% below the $650 typical fare
Cheapest round-trip fare found per month · Sydney → Seoul · cached-price history
Route facts
- Airports
- Kingsford Smith (SYD) ↔ Incheon (ICN) · Gimpo (GMP)
- Flight time
- ~12.5 hours outbound
- Distance
- ~8,329 km each way
- Typical price
- $650 round-trip (seasonal median)
- Airlines on the board
- Xiamen Airlines
- Itineraries
- Connections on current fares
- Best months to visit
- Apr–May · Sep–Oct
SYD → SEL, answered.
Is $541 a good price for Sydney to Seoul?
Only slightly. The seasonal median is around $650 round-trip and this fare is 17% under it, about $109. 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 Sydney to Seoul?
Across 4 months of cached-fare history, Oct comes out cheapest on this route. The best months to actually be in Seoul are Apr–May · Sep–Oct — when those overlap, that's your window.
How far in advance should I book SYD → Seoul?
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 4 months of cached fares, Oct comes out lowest on this route. See /guides/what-moves-a-flight-price/ for what does move a fare.
Are there nonstop flights from Sydney to Seoul?
The current cheapest fares involve a connection, ticketed under Xiamen Airlines. Nonstop options exist on many dates at higher prices — check the live search for your exact dates.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on September 1). 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 Seoul?
Lock the flight first — then compare stays for Oct 13 – Oct 20 · 7 nights.
Browse hotels ↗
Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next SYD → SEL drop reaches you as soon as we find it.
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