The Numbers First
Thai food is spicy and sour. That is the point of it. The cost of eating it well runs from about $9 to $11 per meal at the low end, which is what you pay for a plate of som tam or a bowl of noodles from a cart with one wok and a plastic stool. Nobody is asking you to eat badly to save money here. The cheap food is often the good food.
Thailand remains the benchmark for affordable travel in Southeast Asia, and prices in 2026 are still excellent value. Bangkok and the islands — Phuket, Koh Samui — are the most expensive places to eat. Chiang Mai and the northeast, Isaan, are significantly cheaper. That gap matters more than any packing decision you will make.
What a Day Actually Costs
A daily food budget of $10 to $18 covers street food and local meals. That is three meals, water, coffee, and probably a mango. Travellers who mix in local restaurants and cafés, with the occasional Western dish, spend $20 to $40. If you eat fine dining frequently and drink imported alcohol, food costs can climb to $60 to $150 a day. The spread is not subtle. It is the difference between two weeks and five.
For a couple travelling on a budget, $60 per day covers the two of you across Southeast Asia. Not just food. Everything. Two people, sixty dollars. That figure assumes street food, local transport, and guesthouses rather than hotels with pools.
Cocktails are the trap. Outside the occasional happy hour deal, a cocktail in Southeast Asia costs about the same as it does in the US: $5 to $7. Two rounds and you have spent a full day’s food budget in Bangkok. Drink beer from a shop, or drink at happy hour, or don’t drink. The arithmetic is not complicated.
Cash and the Daily Carry
In Vietnam, carrying $30 to $70 in dong per day is usually enough for street food, small shops, local transport and entrance fees. That is roughly 800,000 to 1,800,000 dong. Keep larger amounts somewhere secure and withdraw more when you need it rather than carrying your whole travel budget in your pocket. Domestic flights in Vietnam are cheap — around $50 was the most one traveller paid for a flight.
Higher Up, It Changes
Trekking is where the food maths breaks. At higher elevations, most trekkers spend $20 to $35 per day on food alone. Everything is carried up by someone, so everything costs more. Dal bhat is the cultural and budget-savvy choice: refills are included, and it is the most calorie-dense option on most menus. Order it twice a day and you eat for less than the people ordering pasta.
Two Things That Cost More Than Dinner
Thailand charges 500 baht per day — about $15 — for visa overstays. Set calendar reminders. A three-day overstay is $45, which is four days of food.
The Destination Thailand Visa runs $500 for five years, multiple entry. Applicants must show 500,000 THB, roughly $14,000, in the bank. Remote workers, freelancers and digital nomads are eligible. It is not a backpacker visa. It is a visa for people who already have income, and the $14,000 threshold is the real filter, not the $500.
The Short Version
Eat where the plastic stools are. Order dal bhat above 3,000 metres. Skip the cocktails or drink them at happy hour. Keep $30 to $70 in your pocket in Vietnam and the rest somewhere safer. Chiang Mai and Isaan will feed you for less than Bangkok ever will. A couple can do this region on $60 a day, and a solo traveller can do it on less. The food is spicy, sour, and cheap. That combination does not last forever.
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