The cheapest round-trip from Madrid to Athens is about 132 EUR, usually in November 2026; August 2026 is priciest, so booking the low month saves around 52 EUR (~29%). Typical fare ~136 EUR, from 330 priced fares. Flightmussy live data, updated 2026-06-05.
Cheap flights from Madrid (MAD) to Athens (ATH). 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: 132 EUR, usually around November 2026. Typical fare ~136 EUR. Across the year prices range roughly 132–184 EUR — about 29% cheaper in the low season than the peak (August 2026). Carriers on this route include Iberia, ITA, Tap Air Portugal, Aegean.
Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-05. Prices change constantly — search live for current fares.
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