Start off the trip by exploring the vibrant city of Bangkok. Visit the Temple of the Emerald Buddha and the Wat Pho to witness the stunning architecture and temples of Thailand. Afterward, enjoy shopping, eating and drinking in the Khao San Road area, which is known for its nightlife.
Take an early morning flight from Bangkok to Krabi to experience the beauty of Railay Beach. You can kayak, rock climb or simply relax and soak up the sun on this serene beach. Make sure to check out the Princess Lagoon, accessible through a 20-minute hike that provides breathtaking views of the Andaman Sea.
Take a ferry from Krabi to the stunning Phi Phi Islands. Bask in the sun on the Long Beach or go scuba diving to explore the stunning coral reefs. In the evening, head to the island's bars and clubs for a fun night out.
Fly to Koh Samui and explore the beautiful Lamai Beach, followed by a hike to the Na Muang Waterfall, which is one of the most beautiful waterfalls in Thailand. In the evening, head to the Chaweng Beach, which is known for its lively nightlife scene.
Take an early morning flight to Chiang Mai and explore the beautiful Wat Phra That Doi Suthep temple, followed by bargaining for beautiful handicrafts at the famous Chiang Mai Night Bazaar. In the evening, head to the Zoe in Yellow, which is the most popular bar in the city.
Take an early morning flight back to Bangkok and visit the Golden Mount temple, followed by visiting the Chatuchak Market to purchase some souvenirs. In the evening, head to the Asiatique The Riverfront area. It is a popular shopping and dining complex located on the banks of the Chao Phraya River.
Transportation within Bangkok can be done by taking a tuk-tuk or taxis, while transportation between different regions of Thailand can be done via domestic flights, ferries, or buses. Domestic flights can range from USD 25-50 depending on the airline while ferries range from USD 12-25 depending on the location.
If you have more time, consider visiting the cultural city of Ayutthaya and the national park in Khao Yai. If you have less time, consider skipping Koh Samui and spending more time in Bangkok and Chiang Mai.
The main airport in Bangkok is the Suvarnabhumi Airport (BKK) which is located 30 kilometers east of the city center. The main airport in Krabi is the Krabi International Airport (KBV), which is 15 kilometers away from the city center while the main airport in Koh Samui is the Samui International Airport (USM), which is located 2 kilometers from the Chaweng Beach.