The cheapest round-trip from Seoul to Madrid is about 511 EUR, usually in January 2027; May 2027 is priciest, so booking the low month saves around 2044 EUR (~80%). Typical fare ~655 EUR, from 268 priced fares. Flightmussy live data, updated 2026-06-06.
Cheap flights from Seoul (ICN/GMP) to Madrid (MAD). 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: 511 EUR, usually around January 2027. Typical fare ~655 EUR. Across the year prices range roughly 511–2555 EUR — about 80% cheaper in the low season than the peak (May 2027). Carriers on this route include Lufthansa, Air France, Turkish Airlines, Qatar Airways.
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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