When to book Cologne to Istanbul
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€52 Price today
Historically the lowest price on this route falls 42–55 days before departure (37 observations): this close to departure, waiting longer rarely pays off.
See this fareLowest price by days of advance booking
0d 90d
Each bar is the lowest price we recorded, from 333 observations.
Lowest price by departure date
November €57 151 observations
December €57 107 observations
September €61 32 observations
October €63 40 observations
Based on 333 price observations we recorded on this exact route.