Morning: Fly from Chennai to Bangkok on a low‑cost carrier (approx. INR 15,000 round‑trip). Upon arrival, take the Airport Rail Link to Phaya Thai and check into a centrally‑located budget hostel (≈ INR 800/night).
Afternoon: Grab a quick lunch of pad thai and mango sticky rice at a street stall near your hostel. Stroll around the Ratchathewi area to get a feel for the city and pick up a Sim card for cheap data.
Evening: Head to the lively Khao San Road for inexpensive street food, cheap beers, and a first glimpse of Bangkok’s backpacker scene.
Find HotelsMorning: Visit the iconic Grand Palace and the adjoining Wat Phra Kaew. Dress modestly and enjoy the stunning architecture.
Afternoon: Walk across the river to Wat Pho to see the Reclining Buddha, then enjoy a budget‑friendly lunch of boat noodles at a nearby market.
Evening: Take the BTS to Asiatique Riverfront for a free cultural show, affordable shopping, and dinner at a food court featuring grilled seafood and papaya salad.
Find HotelsMorning: Catch an early commuter train from Hua Lamphong to Ayutthaya (≈ INR 200 round‑trip). Rent a bicycle to explore the historic temple ruins like Wat Mahathat.
Afternoon: Enjoy a simple lunch of fried rice with chicken at a local market, then visit the Ayutthaya Historical Park museum before returning to Bangkok.
Evening: Unwind on Khao San Road again, this time hopping between budget pubs such as Brick Bar and Gulliver’s for live music and cheap drinks.
Find HotelsMorning: Explore the massive Chatuchak Weekend Market (open Saturday‑Sunday). Sample coconut ice cream and hunt for souvenirs at bargain prices.
Afternoon: Head to the MBK Center for affordable electronics and apparel. Grab a quick snack of som tam (spicy papaya salad).
Evening: Watch an authentic Muay Thai match at Rajadamnern Stadium (budget tickets). Finish the night at the modest Sky Bar at Hotel Muse for a single cocktail (≈ INR 500).
Find HotelsMorning: Take a gentle walk in Lumpini Park and enjoy a simple Thai breakfast of jok (rice porridge) from a nearby vendor.
Afternoon: Treat yourself to a relaxing foot massage at a reputable yet cheap spa near Siam Square (≈ INR 300). Use any remaining time for last‑minute shopping at the Siam Discovery mall.
Evening: Return to the hostel, collect luggage, and travel to Suvarnabhumi Airport via the Airport Rail Link for your flight back to Chennai.
Find HotelsTo stretch the trip, add an extra day in Phuket or Krabi using a budget flight, focusing on free beach time and cheap island hopping tours. To shorten it, skip the Ayutthaya day trip and replace it with a half‑day river cruise, which reduces travel time and costs while still offering a taste of Thai heritage.