Cheap flight tickets from Cologne to Istanbul

Select preferred month for the cheapest flights

• AprApril2026

  €79

  Average monthly temperature & precipitation

  Temperature 15°C

  Precipitation 30%

  Average price €79
  Select April

• MayMay2026

  Best for exploring

  Cheapest

  €62

  Average monthly temperature & precipitation

  Temperature 16°C

  Precipitation 29%

  Average price €62
  Select May

• JunJune2026

  €92

  Average monthly temperature & precipitation

  Temperature 24°C

  Precipitation 30%

  Average price €92
  Select June

• JulJuly2026

  Warmest

  €185

  Average monthly temperature & precipitation

  Temperature 26°C

  Precipitation 19%

  Average price €185
  Select July

• AugAugust2026

  Warmest

  €138

  Average monthly temperature & precipitation

  Temperature 26°C

  Precipitation 16%

  Average price €138
  Select August

• SepSeptember2026

  €92

  Average monthly temperature & precipitation

  Temperature 25°C

  Precipitation 26%

  Average price €92
  Select September

• OctOctober2026

  Best for exploring

  €131

  Average monthly temperature & precipitation

  Temperature 18°C

  Precipitation 25%

  Average price €131
  Select October

• NovNovember2026

  €276

  Average monthly temperature & precipitation

  Temperature 16°C

  Precipitation 33%

  Average price €276
  Select November

• DecDecember2026

  €223

  Average monthly temperature & precipitation

  Temperature 10°C

  Precipitation 45%

  Average price €223
  Select December

• JanJanuary2027

  €167

  Average monthly temperature & precipitation

  Temperature 8°C

  Precipitation 45%

  Average price €167
  Select January

• FebFebruary2027

  €579

  Average monthly temperature & precipitation

  Temperature 9°C

  Precipitation 39%

  Average price €579
  Select February

• MarMarch2027

  €147

  Average monthly temperature & precipitation

  Temperature 10°C

  Precipitation 38%

  Average price €147
  Select March

Average monthly temperature & precipitation