The cheapest round-trip from Tokyo to Seoul is about 178 EUR, usually in August 2026; May 2027 is priciest, so booking the low month saves around 188 EUR (~52%). Typical fare ~306 EUR, from 270 priced fares. Flightmussy live data, updated 2026-06-06.
Cheap flights from Tokyo (NRT/HND) to Seoul (ICN/GMP). Free, no signup, no ads, no tracking. Compare every airline across 12 months of fares on one heatmap — including low-cost carriers Google Flights often deprioritises.
Cheapest round-trip seen: 178 EUR, usually around August 2026. Typical fare ~306 EUR. Across the year prices range roughly 178–366 EUR — about 52% cheaper in the low season than the peak (May 2027). Carriers on this route include Air Busan, Jeju Air, Asiana Airlines, ZIPAIR Tokyo.
Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-06. Prices change constantly — search live for current fares.
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