The cheapest round-trip from Cologne to Geneva is about 226 EUR, usually in July 2026; June 2026 is priciest, so booking the low month saves around 52 EUR (~19%). Typical fare ~259 EUR, from 60 priced fares. Flightmussy live data, updated 2026-06-13.
Cheap flights from Cologne (CGN) to Geneva (GVA). 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: 226 EUR, usually around July 2026. Typical fare ~259 EUR. Across the year prices range roughly 226–278 EUR — about 19% cheaper in the low season than the peak (June 2026). Carriers on this route include Air Dolomiti, Eurowings, Lufthansa, Austrian.
Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-13. Prices change constantly — search live for current fares.
The lowest round-trip fare we found for each month over the coming year — low season versus peak at a glance. July 2026 is cheapest; June 2026 is priciest.
| Jun 2026 | 278 EUR | |
|---|---|---|
| Jul 2026 | 226 EUR | |
| Aug 2026 | 259 EUR |
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