The cheapest round-trip from Madrid to Vienna is about 69 EUR, usually in August 2026; May 2027 is priciest, so booking the low month saves around 134 EUR (~66%). Typical fare ~106 EUR, from 330 priced fares. Flightmussy live data, updated 2026-06-05.
Cheap flights from Madrid (MAD) to Vienna (VIE). 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: 69 EUR, usually around August 2026. Typical fare ~106 EUR. Across the year prices range roughly 69–203 EUR — about 66% cheaper in the low season than the peak (May 2027). Carriers on this route include Ryanair, Iberia, Air Serbia, Brussels Airlines.
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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