Cheap flight tickets from London to Seoul

Select preferred month for the cheapest flights

• NovNovember2025

  Best for exploring

  Cheapest

  £336

  Average monthly temperature & precipitation

  Temperature 19°C

  Precipitation 26%

  Average price £336
  Select November

• DecDecember2025

  £336

  Average monthly temperature & precipitation

  Temperature 1°C

  Precipitation 19%

  Average price £336
  Select December

• JanJanuary2026

  £449

  Average monthly temperature & precipitation

  Temperature -°C

  Precipitation 12%

  Average price £449
  Select January

• FebFebruary2026

  £450

  Average monthly temperature & precipitation

  Temperature 3°C

  Precipitation 17%

  Average price £450
  Select February

• MarMarch2026

  £461

  Average monthly temperature & precipitation

  Temperature 6°C

  Precipitation 19%

  Average price £461
  Select March

• AprApril2026

  £583

  Average monthly temperature & precipitation

  Temperature 15°C

  Precipitation 23%

  Average price £583
  Select April

• MayMay2026

  ‐

  Average monthly temperature & precipitation

  Temperature 17°C

  Precipitation 29%

  Check available flights
  Select May

• JunJune2026

  £458

  Average monthly temperature & precipitation

  Temperature 23°C

  Precipitation 33%

  Average price £458
  Select June

• JulJuly2026

  £681

  Average monthly temperature & precipitation

  Temperature 25°C

  Precipitation 58%

  Average price £681
  Select July

• AugAugust2026

  Warmest

  £693

  Average monthly temperature & precipitation

  Temperature 28°C

  Precipitation 51%

  Average price £693
  Select August

• SepSeptember2026

  ‐

  Average monthly temperature & precipitation

  Temperature 26°C

  Precipitation 30%

  Check available flights
  Select September

• OctOctober2026

  Best for exploring

  £682

  Average monthly temperature & precipitation

  Temperature 18°C

  Precipitation 19%

  Average price £682
  Select October

Average monthly temperature & precipitation