Cheap flight tickets from London to Knock, County Mayo

Select preferred month for the cheapest flights

• OctOctober2025

  £34

  Average monthly temperature & precipitation

  Temperature 10°C

  Precipitation 61%

  Average price £34
  Select October

• NovNovember2025

  Cheapest

  £31

  Average monthly temperature & precipitation

  Temperature 10°C

  Precipitation 60%

  Average price £31
  Select November

• DecDecember2025

  £35

  Average monthly temperature & precipitation

  Temperature 7°C

  Precipitation 61%

  Average price £35
  Select December

• JanJanuary2026

  ‐

  Average monthly temperature & precipitation

  Temperature 4°C

  Precipitation 58%

  Check available flights
  Select January

• FebFebruary2026

  £54

  Average monthly temperature & precipitation

  Temperature 6°C

  Precipitation 67%

  Average price £54
  Select February

• MarMarch2026

  £85

  Average monthly temperature & precipitation

  Temperature 6°C

  Precipitation 61%

  Average price £85
  Select March

• AprApril2026

  £66

  Average monthly temperature & precipitation

  Temperature 8°C

  Precipitation 53%

  Average price £66
  Select April

• MayMay2026

  ‐

  Average monthly temperature & precipitation

  Temperature 11°C

  Precipitation 51%

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  Select May

• JunJune2026

  ‐

  Average monthly temperature & precipitation

  Temperature 11°C

  Precipitation 56%

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  Select June

• JulJuly2026

  ‐

  Average monthly temperature & precipitation

  Temperature 13°C

  Precipitation 58%

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  Select July

• AugAugust2026

  Best for exploring

  Warmest

  £108

  Average monthly temperature & precipitation

  Temperature 14°C

  Precipitation 64%

  Average price £108
  Select August

• SepSeptember2026

  Best for exploring

  Warmest

  ‐

  Average monthly temperature & precipitation

  Temperature 14°C

  Precipitation 56%

  Check available flights
  Select September

Average monthly temperature & precipitation