Land at BKK; follow immigration and baggage claim. Early morning arrival means fast processing usually 30–60 minutes. If you arrive at Don Mueang (DMK) the same general guidance applies but transfer times differ.
Recommended: prepaid airport taxi/Grab directly to hotel for comfort with luggage (airport-rail + transfers with luggage is more cumbersome at 6am). Expect 30–50 minutes depending on traffic.
Buffet or a la carte breakfast with Thai and Western options—good for your first morning and to recover from flight. Open typically from 6:00am–10:30am.
Gentle walk among green spaces and see monitor lizards; a calm way to adjust to local time and heat. Lumpini MRT is right beside the area if you want to cross-check map: https://www.google.com/maps/place/Lumphini+Park
Book 60–90 minute Thai or oil massage to shake off jetlag. Nearby: Health Land Spa or hotel spa. Health Land Sathorn (example) opens from 10:00am: https://www.google.com/maps/place/Health+Land+Sathorn
Classic Thai dishes in a comfortable dining spot—great introduction to well-executed Thai cuisine. Open 11:00am–11:00pm. Map: https://www.google.com/maps/place/Baan+Khanitha
Explore Silom’s evening street vendors, pop into small malls and convenience stores; short walk from hotel or take a 2–3 minute taxi if tired. Map: https://www.google.com/maps/place/Silom
Silom has excellent local street stalls; El Mercado is a cleaner sit-down market for seafood. Both are 10–20 min walk/taxi. El Mercado hours ~11:00–23:00. Map: https://www.google.com/maps/place/El+Mercado+Bangkok
Short visit for tourist market shopping; a lively market with souvenirs—open ~6:00pm–1:00am (be aware of ‘bar scene’). Map: https://www.google.com/maps/place/Patpong+Night+Market
Walk ~10 mins to Sala Daeng BTS; take BTS Silom Line toward Saphan Taksin (3–4 stops). This is faster than a taxi during rush hour. BTS fare ~THB16–30 depending on stops. Map to Sala Daeng: https://www.google.com/maps/place/Sala+Daeng+BTS
Buy a day pass or single ride; river boat is scenic and avoids road traffic. Take the local orange or green flag service to Tha Tien (Wat Pho) or Tha Chang (Grand Palace). Single ticket THB15–30; tourist boats cost more. Map: https://www.google.com/maps/place/Sathorn+Pier+(Central+Pier)
One of Bangkok's oldest temples with huge Reclining Buddha and traditional massage school; arrive early to avoid crowds. Open 8:00am–6:30pm. Map: https://www.google.com/maps/place/Wat+Pho
Iconic complex with the Emerald Buddha; arrive as it opens to beat crowds (opens 8:30am). Dress code strictly enforced (no sleeveless/shorts). Map: https://www.google.com/maps/place/The+Grand+Palace
Short ferry from Tha Tien to Wat Arun (Thonburi side). Climb partway for a great view (steep steps). Open 8:00am–5:30pm. Map: https://www.google.com/maps/place/Wat+Arun
Krua Apsorn is popular for homestyle Thai dishes near the area (or riverfront restaurants by Tha Tien). Opens typically 10:00am–10:00pm. Map: https://www.google.com/maps/place/Krua+Apsorn
If energy allows, explore nearby National Museum or Khao San Road area (taxi recommended). Otherwise return via Chao Phraya Express Boat to Saphan Taksin and BTS back to hotel.
Take taxi/MRT to Hua Lamphong then short walk/taxi to Yaowarat Road for amazing street food and seafood. Best from 7:00pm–11:00pm. Map: https://www.google.com/maps/place/Yaowarat+Road
Small guided tour of Thai silk merchant’s home — opens 9:00am; book slot. Good 45–60 minute visit. Map: https://www.google.com/maps/place/Jim+Thompson+House
Siam Paragon for luxury & food, MBK for bargains and electronics. Both adjacent to BTS Siam. Map: https://www.google.com/maps/place/Siam+Paragon and https://www.google.com/maps/place/MBK+Center
Som Tam Nua for Isan flavour (spicy papaya salad) or Paragon’s gourmet food court for varied options and A/C comfort. Map: https://www.google.com/maps/place/Som+Tam+Nua
For a memorable view of Bangkok skyline; make reservations. Rooftop dress codes apply; open from sunset to late. Map: https://www.google.com/maps/place/Vertigo+Banyan+Tree
Best option is a booked tour or private car for comfort (1.5–2 hour drive each way). Public train is cheaper but slower and needs early departure from Hua Lamphong. Minivan pick-up ~6:30am recommended.
Key royal and temple ruins; compact set of historical monuments in Ayutthaya Historical Park. Map: https://www.google.com/maps/place/Wat+Phra+Si+Sanphet
Walk to Sala Daeng station then take BTS to Mo Chit (change at Siam). Total ~35–45 mins. Fare THB30–55. Map: https://www.google.com/maps/place/Mo+Chit+BTS
Huge market with clothing, antiques, pets, plants, and food—plan sections to visit; open Sat & Sun 9:00am–6:00pm. Map: https://www.google.com/maps/place/Chatuchak+Weekend+Market
If you like vintage items and street food, Rod Fai is lively; open late (17:00–1:00). Accessible by MRT to Thailand Cultural Centre. Map: https://www.google.com/maps/place/Rod+Fai+Ratchada+Market
Take BTS to Saphan Taksin then Free Asiatique shuttle boat (runs 16:00–23:30) for riverside dining, boutiques and the Ferris wheel. Map: https://www.google.com/maps/place/Asiatique+The+Riverfront
Iconsiam is larger and scenic; otherwise choose a light lunch near your hotel and rest before packing. Iconsiam open 10:00–22:00. Map: https://www.google.com/maps/place/Iconsiam
Leave hotel by 7:45pm (20:30 local check-in latest suggested). Traffic can be heavy; taxi fare includes tolls and airport surcharge. Aim to arrive 2–3 hours before international flight. Expect 45–75 minutes travel time.