The cheapest round-trip from Zurich to Porto is about 103 EUR, usually in March 2027; May 2027 is priciest, so booking the low month saves around 109 EUR (~52%). Typical fare ~124 EUR, from 330 priced fares. Flightmussy live data, updated 2026-06-05.
Cheap flights from Zurich (ZRH) to Porto (OPO). 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: 103 EUR, usually around March 2027. Typical fare ~124 EUR. Across the year prices range roughly 103–212 EUR — about 52% cheaper in the low season than the peak (May 2027). Carriers on this route include easyJet, Air France, Iberia, SWISS.
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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