Sydney (SYD) to Seoul (SEL): 5,184 miles (8,343 km) great-circle, about 10h 50m nonstop by our estimate. Cheapest fare observed: $544 round-trip on Scoot, with 1 stop, departing May 1, 2026.
$544 round-trip, Scoot TR11, departing 2026-05-01 at 13:00, returning 2026-05-06. The recorded itinerary left on a Friday, returning on a Wednesday 5 nights later; the fare was observed 6 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $544, it ranked 11th of the 30 round-trip fares we recorded from SYD (median $777). That is 10.5 cents per great-circle mile (round-trip price over one-way distance), below the SYD median of 15.3 cents across 30 round-trip routes.
Routes from SYD of similar length: Shanghai (4,903 mi) at $646 and Tokyo (4,858 mi) at $762.
Scoot had the cheapest fare on 8 of 30 SYD routes. It is the 17th longest of the 30 routes we track from SYD.
Of 24 departure airports with a fare to Seoul, Sydney (SYD) ranked 18th at $544. Lowest: $142 from Osaka (KIX); highest: $1288 from Portland (PDX); 10 nonstop. Cheapest-fare airlines (routes): Jetstar (2), Peach Aviation (2), airline 9G (1), airline WE (1), Alaska Airlines (1) and Asiana (1), plus 16 more.
That depends on your passport and trip, so check the official source for South Korea: Republic of Korea: K-ETA. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Australia/Sydney, Asia/Seoul; flight time is our estimate.