One more interesting solution from the United Kingdom to South East Asia with Finnair (Oneworld airline). Fly from London Heathrow or Manchester to Singapore with a short layover in Helsinki for only £315 return. All prices include all taxes, fees, handbags. You can purchase checked-in luggage separately for an extra fee.
Flying from: London Heathrow, Manchester
Flying to: Singapore
Travel period: January to May 2022
Max stay: Unknown
Book by: Unknown
Manchester to Singapore for £355
Booking sample of cheap return flights with Finnair from the UK to Singapore for £315. Outbound from London Heathrow to Singapore on the 21st of January returning from South East Asia back to the United Kingdom on the 4th of February 2022.