Water Taxi from Marco Polo Airport to Venice has two sub-variants. You can either select an open-dated single ticket or round trip water bus ticket. The cost of Alilaguna Water Bus single ticket is INR 1299 per adult and for round trip tickets is INR 2335. There is no charge for children aged 0-6 years if accompanied by a paid adult.
Please note that if you select a round trip ticket, it has to be correctly retained and used within 30 days from arrival validation