Best and Worst Months to Fly from Heathrow

Heathrow travelers save hundreds of pounds by flying in quieter months like early November or January, when crowds thin and prices drop significantly, such as round-trip flights from the U.S. for $600 each. Avoid peak summer heat, when the transport system turns uncomfortable without air conditioning on many lines and buses, leading to sweltering stations. February brings short days, cold spells with highs of 49°F (10°C) and lows of 39°F (4°C), though it offers affordability and calm streets.