Thailand trip cost: cheap country, variable itinerary
Thailand can be very affordable, but only if the route matches the budget. This preset uses $45 per night for lodging, $20 per person per day for food, $8 for local transport, and $22 for activities. With those inputs, a 7-day trip for 2 people is about $1,015 before flights. Bangkok plus simple island stays can fit that model; boutique beach resorts, private transfers, diving days, and frequent domestic hops can move the total quickly.
Bangkok, islands, and tours are different budgets
Bangkok lets you combine transit, street food, casual hotels, and low-cost temples, so daily spending is easy to control. Island itineraries behave differently: ferries, speedboats, beach taxis, and resort-area restaurants add friction to every move. Tours are the other swing item. A temple day may be cheap, while a boat trip, diving course, or private guide can exceed several normal activity days. Use the activity field for the style of trip you actually want, not the national average.
How to lower a Thailand travel budget without making it bare-bones
Pick fewer bases and stay longer in each one. Every transfer creates a taxi, ferry, bus, or domestic-flight cost, and often burns a day of lodging. Use the calculator with your real route: Bangkok only, Bangkok plus one island, or a multi-island trip will give very different totals. Food is the easiest line to keep low, because street food and casual restaurants can sit near the $20 daily preset. The room line is where comfort upgrades show up first.