The cheapest round-trip from Cologne to Lisbon is about 100 EUR, usually in January 2027; July 2026 is priciest, so booking the low month saves around 67 EUR (~40%). Typical fare ~131 EUR, from 242 priced fares. Flightmussy live data, updated 2026-06-05.
Cheap flights from Cologne (CGN) to Lisbon (LIS). 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: 100 EUR, usually around January 2027. Typical fare ~131 EUR. Across the year prices range roughly 100–167 EUR — about 40% cheaper in the low season than the peak (July 2026). Carriers on this route include Ryanair, Lufthansa, Lufthansa City Airlines, Eurowings.
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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