Bangkok, Chiang Rai's Golden Triangle and the Andaman islands. Day-by-day itinerary: Arrival in Bangkok; Markets & Wat Arun; Ayutthaya (day trip); Flight to Chiang Mai.
Day-by-day itinerary
Day 1 — Arrival in Bangkok
07:00 — Arrival at Bangkok Suvarnabhumi BKK
09:00 — ARL / taxi → city centre
12:00 — Hotel in Sukhumvit or Silom
14:30 — Grand Palace + Wat Phra Kaew — Rattanakosin
17:00 — Wat Pho — Reclining Buddha — Rattanakosin
Taxi to Chinatown — Rattanakosin → Yaowarat
20:00 — Street food in Chinatown (Yaowarat) — Yaowarat
Day 2 — Markets & Wat Arun
07:00 — Damnoen Saduak floating market — Outskirts of Bangkok
Van to the floating market — Bangkok → Outskirts of Bangkok
12:30 — Wat Arun — Temple of Dawn — Thonburi
Taxi to Jim Thompson House — Thonburi → National Stadium
15:00 — Jim Thompson House — National Stadium
BTS to Silom — National Stadium → Silom
19:30 — Rooftop bar with a skyline view — Silom
Day 3 — Ayutthaya (day trip)
07:30 — Train to Ayutthaya (1h30) — Bangkok station
09:30 — Temple ruins by bike — Ayutthaya
13:00 — Riverside lunch
15:30 — Back to Bangkok
20:00 — Last evening on Khao San Road — Khao San Road