Cheap flights from Seoul to Sydney from $607 GMP, ICN → SYD, WSI
Gimpo International Airport (GMP), Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD), Western Sydney Airport (WSI)
The cheapest return found recently is $607 with Vietjet, 22 May 2027 – 5 Jun 2027, found 16 hours ago.
- Cheapest return found recently
- $607, 22 May 2027 to 5 Jun 2027
- Usual return price
- $638 to $773
- Cheapest month to fly
- May 2027, return fares from $607 found in the last 7 days
- Airlines with nonstop flights
- Asiana Airlines, Jetstar, Korean Air, T'way Air
Return
The cheapest return fare on each of 8 departure dates is usually $638 to $773.
Cheapest return found recently
$607
22 May 2027 – 5 Jun 2027 · Vietjet
Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD)
Leaves 11:40 a.m. · Return leaves 10:45 a.m. · 29 h 10 min of travel, both ways together
out 1 stop, back nonstop · via Tan Son Nhat International Airport (SGN)
found 16 hours ago
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
Every nonstop date from Seoul to Sydney
Found recently, and the cheapest we hold
$607 22 May 2027 – 5 Jun 2027found 16 hours agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $516 to $651.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 8 departure dates from 28 Jan 2027 to 22 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 14-night return fares leaving within 3 days of 22 May 2027 to compare.
Every date we hold
253 fares on 8 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 28 Jan 2027 – 6 Feb 2027 | $874 | Jetstar | Gimpo International Airport (GMP) → Sydney (Kingsford Smith) Airport (SYD) | out 2 stops, back nonstop | found yesterday | See prices for these dates |
| 5 Feb 2027 – 17 Feb 2027 | $832 | Cebu Pacific | Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 19 Feb 2027 – 24 Feb 2027 | $687 | Shenzhen Airlines | Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 23 Feb 2027 – 4 Mar 2027 | $623 | China Eastern | Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 12 Mar 2027 – 25 Mar 2027 | $643 | Jetstar | Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD) | out nonstop, back nonstop | found today | See prices for these dates |
| 17 Mar 2027 – 30 Mar 2027 | $656 | China Eastern | Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 1 May 2027 – 9 May 2027 | $753 | Qantas | Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 13 hours ago | See prices for these dates |
| 22 May 2027 – 5 Jun 2027 | $607 | Vietjet | Incheon International Airport (ICN) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back nonstop | found 16 hours ago | See prices for these dates |
Which month looks cheapest?
May 2027 is the cheapest month — from $607.
Airlines on the cheapest dates: Jetstar, China Eastern, Cebu Pacific, Shenzhen Airlines, Qantas, Vietjet.
Premium cabin fares from Seoul to Sydney
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 22 May 2027 – 5 Jun 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seoul to Sydney?
Return
Fares 14 to 29 days before departure were typically 9% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $609 | $582 | +10% | 10 |
| 14–29 days | $555 | $522 | Cheapest seen | 20 |
| 30–59 days | $601 | $549 | +8% | 30 |
| 60–89 days | $751 | $660 | +35% | 32 |
| 90–179 days | $616 | $548 | +11% | 50 |
| 180+ days | $595 | $534 | +7% | 46 |
Live price for these dates
The cheapest return found recently is for 22 May 2027 – 5 Jun 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Seoul to Sydney?
The cheapest return found recently is $607 with Vietjet, 22 May 2027 to 5 Jun 2027, found 16 hours ago. The cheapest return fare on each of 8 departure dates is usually $638 to $773.
What is the cheapest month to fly from Seoul to Sydney?
May 2027 is the cheapest month for a return, from $607, 22 May 2027 to 5 Jun 2027, found 16 hours ago.
How far ahead should I book a flight from Seoul to Sydney?
In 50 days of prices between 24 Sept and 12 Nov, return fares 14 to 29 days before departure were typically 9% lower than 0 to 6 days before departure.
Is there a direct flight from Seoul to Sydney?
Yes, the cheapest nonstop return found recently is $627 with Jetstar, 22 May 2027 to 5 Jun 2027, found 16 hours ago.
Which airlines have the cheapest flights from Seoul to Sydney?
Between 28 Jan 2027 and 22 May 2027, Jetstar has the cheapest return on 2 of the 8 departure dates we hold, China Eastern on 2 and Cebu Pacific on 1.
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