Cheap flight tickets from London to Kolkata

Select preferred month for the cheapest flights

• OctOctober2025

  ‐

  Average monthly temperature & precipitation

  Temperature 27°C

  Precipitation 48%

  Check available flights
  Select October

• NovNovember2025

  ‐

  Average monthly temperature & precipitation

  Temperature 28°C

  Precipitation 10%

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  Select November

• DecDecember2025

  Best for exploring

  £498

  Average monthly temperature & precipitation

  Temperature 21°C

  Precipitation 6%

  Average price £498
  Select December

• JanJanuary2026

  Best for exploring

  £477

  Average monthly temperature & precipitation

  Temperature 20°C

  Precipitation 6%

  Average price £477
  Select January

• FebFebruary2026

  Cheapest

  £382

  Average monthly temperature & precipitation

  Temperature 24°C

  Precipitation 10%

  Average price £382
  Select February

• MarMarch2026

  ‐

  Average monthly temperature & precipitation

  Temperature 27°C

  Precipitation 22%

  Check available flights
  Select March

• AprApril2026

  Warmest

  ‐

  Average monthly temperature & precipitation

  Temperature 34°C

  Precipitation 33%

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  Select April

• MayMay2026

  ‐

  Average monthly temperature & precipitation

  Temperature 31°C

  Precipitation 51%

  Check available flights
  Select May

• JunJune2026

  ‐

  Average monthly temperature & precipitation

  Temperature 32°C

  Precipitation 73%

  Check available flights
  Select June

• JulJuly2026

  ‐

  Average monthly temperature & precipitation

  Temperature 30°C

  Precipitation 93%

  Check available flights
  Select July

• AugAugust2026

  ‐

  Average monthly temperature & precipitation

  Temperature 28°C

  Precipitation 93%

  Check available flights
  Select August

• SepSeptember2026

  ‐

  Average monthly temperature & precipitation

  Temperature 29°C

  Precipitation 90%

  Check available flights
  Select September

Average monthly temperature & precipitation