Bangkok is one of the most frequented cities in the world and naturally has a lot of stay options ranging from cheap hostels for backpackers to luxurious resorts. If you want to stay in a hostel, Bewel Hostel (₹437), Assembly Hostel (₹446), Yellow Mango hostel (₹472), Loftel 22 Hostel (₹492) are highly recommended.
For more budget stay options, and Airbnb options available in Bangkok check here.
Return flight tickets from Kochi to Bangkok: ₹5,477
One-way ticket on local transport: ₹96
Short taxi ride fare: ₹177
Stay in Bangkok: ₹845
A meal: ₹190