Seoul (ICN) to Hong Kong (HKG): 1,286 miles (2,069 km) great-circle, about 3h 05m nonstop by our estimate. Cheapest fare observed: $219 round-trip on Shandong Airlines, with 1 stop, departing May 7, 2026.
$219 round-trip, Shandong Airlines SC8002, departing 2026-05-07 at 11:45, returning 2026-05-08. The recorded itinerary left on a Thursday, returning on a Friday 1 night later; the fare was observed 12 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $219, it ranked 7th of the 30 round-trip fares we recorded from ICN (median $393). That is 17.0 cents per great-circle mile (round-trip price over one-way distance), below the ICN median of 21.3 cents across 30 round-trip routes.
Routes from ICN of similar length: Guangzhou (1,246 mi) at $271 and Ulaanbaatar (1,216 mi) at $359.
Shandong Airlines had the cheapest fare on 3 of 30 ICN routes. It is the 19th longest of the 30 routes we track from ICN.
Of 24 departure airports with a fare to Hong Kong, Seoul (ICN) ranked 7th at $219. Lowest: $171 from Shanghai (PVG); highest: $1773 from Orlando (MCO); 13 nonstop. Cheapest-fare airlines (routes): HK Express (7), Cathay Pacific (2), Shandong Airlines (2), United Airlines (2), Alaska Airlines (1) and Emirates (1), plus 9 more.
The reverse, Hong Kong (HKG) to Seoul (SEL), was $234 round-trip on HK Express, nonstop, departing April 26, 2026. Hong Kong to Seoul flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Seoul, Asia/Hong_Kong; flight time is our estimate.