FAQs A For travelling between Mumbai to New Delhi which train tickets cost the lowest? For travelling between Mumbai to New Delhi the lowest cost of train ticket is of 22452 Cdg Bdts Sf Exp which is INR 550. Our Score Tag: Trains to New Delhi A For travelling between Mumbai to New Delhi which train tickets cost the lowest? For travelling between Mumbai to New Delhi the lowest cost of train ticket is of 22452 Cdg Bdts Sf Exp which is INR 550. Our Score Tag: Trains to New Delhi Our Score