Great Circle Distance between Heathrow and Ngurah Rai (Bali) International Airport is 7,784 miles. Bali's IATA airport code is DPS. One World Lounge Details Here.
Climate:
The climate in Bali is equatorial. The hot and humid rainy season is between October and April, which reaches its peak in January/February. There is a dry season from May to September. A visit to Indonesia is therefore more pleasant during the dry season between May and October. Bali is also very popular in January.
Between June/July the resorts can get crowded. Therefore, choose May and June or September if you want the best conditions.