Route
LHR - DEL is the first comparison, but nearby UK departure airports can shift the total.

Asia
India routes need baggage, layover, and late-arrival hotel strategy checked before price alone.
Planning board
LHR - DEL is the first comparison, but nearby UK departure airports can shift the total.
Aerocity, South Delhi, and business hotels
Family routes need cleaner stopovers
Nearby country boards
Japan planning should compare Haneda, Narita, Kansai, first-night hotels, and rail timing together.
Singapore is a strong stopover when Changi timing, hotel check-in, and recovery nights are planned together.
Thailand trips need airport, river, island-transfer, and first-night hotel planning on the same board.
Vietnam is best planned with city order, internal flights, and first-night transfers visible before checkout.