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Nonstop flights from Seoul to Sydney from $627 GMP, ICN → SYD, WSI

Gimpo International Airport (GMP), Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD), Western Sydney Airport (WSI)

The cheapest nonstop return found recently is $627 with Jetstar, 22 May 2027 – 5 Jun 2027, found 16 hours ago.

Nonstop return

The cheapest nonstop return fare on each of 8 departure dates is usually $715 to $917.

Cheapest nonstop return

$627

22 May 2027 – 5 Jun 2027 · Jetstar

Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)

Leaves 9:50 p.m. · Return leaves 9:15 p.m. · 20 h 45 min of travel, both ways together

out nonstop, back nonstop

found 16 hours ago

See prices for these datesCheck today's price

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Airlines flying it nonstop on the return fares we hold: Jetstar (8 departure dates), Asiana Airlines (6 departure dates), Korean Air (5 departure dates), T'way Air (4 departure dates).

On the 10 trips where we hold both on the same dates, nonstop cost a median $121 (17.5%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 1 of those 10 trips.

Every nonstop date we hold

Nonstop fares on 8 of the 8 departure dates we hold for this route.

28 Jan 2027 – 6 Feb 2027: $1,118, found yesterday5 Feb 2027 – 16 Feb 2027: $1,478, found 6 days ago19 Feb 2027 – 23 Feb 2027: $752, found 4 days ago23 Feb 2027 – 3 Mar 2027: $739, found 2 days ago12 Mar 2027 – 25 Mar 2027: $643, found today17 Mar 2027 – 30 Mar 2027: $801, found 3 days ago1 May 2027 – 9 May 2027: $850, found 13 hours ago22 May 2027 – 5 Jun 2027: $627, found 16 hours agoJanFebMarMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
28 Jan 2027 – 6 Feb 2027$1,118JetstarIncheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound yesterdaySee prices for these dates
5 Feb 2027 – 16 Feb 2027$1,478JetstarIncheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 6 days agoSee prices for these dates
19 Feb 2027 – 23 Feb 2027$752JetstarIncheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 4 days agoSee prices for these dates
23 Feb 2027 – 3 Mar 2027$739T'way AirIncheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 2 days agoSee prices for these dates
12 Mar 2027 – 25 Mar 2027$643JetstarIncheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound todaySee prices for these dates
17 Mar 2027 – 30 Mar 2027$801T'way AirIncheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 3 days agoSee prices for these dates
1 May 2027 – 9 May 2027$850JetstarIncheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 13 hours agoSee prices for these dates
22 May 2027 – 5 Jun 2027$627JetstarIncheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 16 hours agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work