Air : There is an extensive network of flights from Mumbai's Sahar (International) and Santa Cruz (Domestic) airports. International flights connect it to all the major cities of the world. There are domestic flights to all the major cities of the country. Train : Mumbai has trains connecting it to all the major cities of the country. Intra city trains in Mumbai are very good, and are the fastest and cheapest way to move around in Mumbai. Road : Mumbai is well connected to all the cities of Maharashtra by bus. Intra city bus services are also very good.