Seoul (ICN) to Harbin (HRB): 564 miles (907 km) great-circle, about 1h 40m nonstop by our estimate. Cheapest fare observed: $231 round-trip on China Eastern, with 1 stop, departing June 15, 2026.
$231 round-trip, China Eastern MU268, departing 2026-06-15 at 15:55, returning 2026-06-21. The recorded itinerary left on a Monday, returning on a Sunday 6 nights later; the fare was observed 51 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $231, it ranked 8th of the 30 round-trip fares we recorded from ICN (median $393). That is 41.0 cents per great-circle mile (round-trip price over one-way distance), above the ICN median of 21.3 cents across 30 round-trip routes.
Routes from ICN of similar length: Beijing (560 mi) at $245 and Osaka (535 mi) at $115.
China Eastern had the cheapest fare on 5 of 30 ICN routes. It is the 24th longest of the 30 routes we track from ICN.
Of 10 departure airports with a fare to Harbin, Seoul (ICN) ranked 1st at $231. Lowest: $231 from Seoul (ICN); highest: $699 from Guangzhou (CAN); 2 nonstop. Cheapest-fare airlines (routes): China Eastern (2), China Southern (2), Shandong Airlines (2), Asiana (1), Spring Airlines (1) and Spring Japan (1), plus 1 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Seoul, Asia/Shanghai; flight time is our estimate.