Bologna to Cologne
Bologna to Cologne is cheapest in October. August, the most expensive month we measured, costs about 62 € more.
Bologna to Cologne is 769 km flown direct. Every fare we measured came from Ryanair.
That comes from pricing 82 departure dates across 8 months. Every figure below is a fare we measured on the day shown, not a live quote. When we have nothing fresh to say about a route, its page stops existing.
What is a good price from Bologna to Cologne?
Anything at or below the quarter mark beats three in four of the 82 one-way fares we measured here. Above the median, wait or move the date.
seen 18 Aug 2026
How far ahead do the cheap fares sit?
When we measured, the cheapest quarter of fares sat between 88 and 172 days before departure, noticeably further out than the rest of the market. If you can look a few months ahead, that is where the cheap seats are sitting.
a snapshot of where the cheap seats sat, seen 18 Aug 2026
Which day of the week is cheapest?
On average, Friday departures came out lowest and Saturday highest, a spread of about 39 €. The day matters less than the month here: pick the month first, then the day.