For any easy departure from Heathrow, arrive two hrs early and keep track of flight screens carefully for gate bulletins to prevent past-moment rushes. Airline and selling price data is aggregated from results in KAYAK’s search engine results from the final 2 weeks for spherical-vacation flights from London Heathrow Airport https://www.mediafire.com/file/qkxow060m4z1n8q/How_to_Get_the_Best_Deals_on_the_Flights_to_Singapore_From_London/file