21 days Thailand Itinerary: The perfect itinerary to visit best places in Thailand

Planning a 21-day trip to Thailand? From bustling cities and ancient temples to stunning beaches and tropical islands, Thailand offers an unforgettable experience for every traveler. This ultimate 21-day Thailand itinerary covers the best destinations, activities, and travel tips to help you make the most of your adventure! Let’s Hanoi Voyages find out with you!

What to do in the 21 days Thailand itinerary?

Bangkok

When visiting Thailand, a journey often begins in Bangkok, the vibrant capital of the country. Most international travelers arrive at Suvarnabhumi Airport, the main gateway to Thailand. After checking into a hotel, it is advisable to get a good night's rest to recover from jet lag and prepare for the days ahead. Bangkok offers numerous attractions, each showcasing the city's rich cultural heritage, bustling markets, and modern skyline. Some of the must-visit places in Bangkok include:

• Grand Palace: The Grand Palace is a magnificent complex of buildings that has served as the official residence of the Kings of Siam and later Thailand. It is a stunning architectural masterpiece as well as a symbol of the country's rich history and culture. The entrance cost is 500 Baht.

• Wat Pho: Visiting Wat Pho, also known as the Temple of the Reclining Buddha, is a must for travelers to Bangkok. This historic and stunning temple complex is famous for its giant reclining Buddha statue. It takes 5 minutes to walk from the Grand Palace. The entrance cost is 200 Baht.

• Wat Arun: Another well-known temple, with an 82-meter-tall prang (tower) and 4 smaller ones covered in colorful mosaics. The entrance cost is 50 Baht

• China Town: One of the oldest and most bustling areas in the city, renowned for its bustling markets, vibrant street life, and delectable culinary delights.

• Lumpini Park: located in the heart of Bangkok, is a tranquil oasis amidst the bustling urban landscape.

• The Siam district: for shopping in one of the huge, ultra-modern shopping centers.

To learn more information about what to do in Bangkok, you can read our article: Visit Bangkok: Top 20 Things To Do & See

Ayutthaya

Continuing your 21 days in Thailand itinerary, you move to Ayutthaya, just 75 km away from Bangkok. Some places you can visit in Ayutthaya:

• Wat Phra Si Sanphet: This location is considered a relic of the Ayutthaya Royal Palace, which any tourist should see if they have the opportunity to visit Bangkok. The attraction is the complex of three consecutive massive chedis (stupas) - this is also the signature symbol that can be found almost everywhere in Ayutthaya.

• Wat Lokayasutharam: A popular pilgrimage site for Thai Buddhists and a must-see tourist attraction. The giant reclining Buddha statue, representing the Buddha as he entered nirvana, is a well-known Buddhist symbol.

• Viharn Phra Mongkol Bopit: One of the largest bronze Buddha in Thailand

Kanchanaburi

Kanchanaburi, located in western Thailand, is a region known for its historical significance, natural beauty, and outdoor adventures. Here are some of the top things to do in Kanchanaburi:

• Erawan National Park: Explore Erawan National Park, famous for its emerald green terraced ponds and waterfalls. You can swim in several of the ponds and hike to higher levels for more secluded pools.

• Death Railway (Burma Railway) and Hellfire Pass: Visit the Death Railway, a historic railway built during World War II, and the Hellfire Pass Memorial Museum to learn about its history and the hardships endured by POWs and laborers.

• River Kwai Bridge: See the iconic Bridge over the River Kwai, another historic site from World War II. You can also take a train ride along the Death Railway for scenic views.

• Visit Local Temples: Visit temples like Wat Tham Sua (Tiger Cave Temple), Wat Tham Khao Noi, and Wat Ban Tham, known for their serene settings and cave shrines.

• Rock Climbing: Try rock climbing at Crazy Horse Buttress, a popular climbing area in Kanchanaburi.

• Explore the Historical City: Spend some time in Kanchanaburi town itself, which has a laid-back atmosphere, local shops, and restaurants.

Sukhothai

Sukhothai, located in northern Thailand, is an ancient city with a rich historical and cultural heritage. It was the capital of the Sukhothai Kingdom, considered the first kingdom of Thailand. Here are some of the best things to do in Sukhothai:

• Sukhothai Historical Park: A vast complex of ruins and temples from the ancient kingdom. Rent a bicycle or hire a tuk-tuk to explore the park, which is divided into various zones.

• Wat Mahathat: The most important temple in Sukhothai, known for its large central stupa and beautiful Buddha images.

• Wat Si Sawai: An ancient Hindu temple with three prongs (towers) and unique architecture influenced by Khmer and Mon styles.

• Wat Sa Si: A temple situated on an island in a large lotus pond, accessible via a bridge.

• Ramkhamhaeng National Museum: Learn about Sukhothai's history and view a collection of artifacts and historical items at this museum.

• Sukhothai Night Market: Experience the local atmosphere and try Sukhothai's specialties at the night market, where you can sample various traditional dishes.

Lampang

Lampang, located in northern Thailand, offers a blend of cultural heritage, natural beauty, and traditional experiences. Here are some activities and places to visit in Lampang:

• Wat Phra That Lampang Luang: Visit this ancient temple, known for its stunning Lanna architecture, large chedi, and serene surroundings.

• Thai Elephant Conservation Center: Interact with elephants in an ethical and educational setting. You can learn about elephant care and even participate in activities like feeding and bathing them.

• Baan Sao Nak: Explore the "House of Many Pillars," a historic teakwood mansion with intricate designs and unique architecture.

• Wat Phra Kaew Don Tao: Discover the "Temple of the Emerald Buddha's Replica" and its exquisite architecture.

• Chae Son National Park: Enjoy nature by visiting hot springs, waterfalls, and lush landscapes in this national park.

• Lampang Walking Street: Enjoy the local atmosphere, street food, and shopping at this bustling weekend market.

Chiang Mai

Let’s continue your 21 days Thailand itinerary by visiting Chiang Mai province. You can explore the old town on the first day. There are many bars and restaurants, as well as all the major temples that are worth visiting.

• Wat Phra Singh: Free entrance.

• Wat Chedi Luang: The entrance fee is 40 Baht

• Wat Inthakhin Sadue Muang: Free of charge.

To round out the day, visit the Night Bazaar (during the week) or the Saturday or Sunday evening market (on weekends). You have some activities to learn about Chiang Mai:

• Hmong Doi Pui Village

• Huay Kaew Waterfall

• Elephants in an elephant sanctuary.

• Zip-line adventure: the zip-line runs through the jungle, combine nature and adventure.

• Bua Thong Sticky Waterfalls: Take a trip to the Bua Thong Sticky Waterfalls, known for their limestone formations that allow you to walk up the falls with ease.

• Doi Suthep National Park

Chiang Rai

Coming to Thailand, it is impossible not to visit Chiang Rai during a 21-day itinerary in Thailand. You can get to Chiang Rai by car or bus. It takes 3 hours and 30 minutes from Chiang Mai.

You have a half day to relax and start visiting in the afternoon. You should go to Wat Phra Kaew, The golden clock tower, Wat Ming Meuang…

You will head to the famous White Temple (Wat Rong Khun). The exterior of the famous temple is all white to symbolize the Buddha's purity. The numerous intricately carved arms that extend from both sides of the bridge make this temple stand out from the rest.

Besides, you can see Khun Korn waterfall for free. And visit the Blue Temple, the other iconic temple of the city. The charge is free. Furthermore, you can visit:

• Candlelight Museum: The first and only museum in Thailand as well as in the world

• Doi Tung: You can visit Doi Tung Royal Villa and Mae Fah Luang flower garden.

• Haw Kham: This is the royal residence - contributed to build by the people of Chiang Rai as the residence of the Queen Mother Sangwon.

Kwai River

The KwaI River is well-known for its natural beauty and historical significance, particularly its connection to the Death Railway during World War II. Here are some activities and places to visit along the Kwai River:

• Bridge Over the River Kwai: Visit the iconic Bridge over the River Kwai, a historical landmark known for its role in the construction of the Death Railway. The nearby museum provides insight into the history of the railway.

• Erawan National Park: Explore Erawan National Park, which features the stunning Erawan Waterfall. The waterfall has multiple tiers, and you can hike to reach the higher levels.

• Sai Yok Noi Waterfall: Discover the Sai Yok Noi Waterfall, a serene and picturesque waterfall surrounded by lush greenery.

• River Cruises: Enjoy a relaxing boat cruise along the Kwai River, offering scenic views of the surrounding landscape.

• Bamboo Rafting: Experience a leisurely bamboo rafting trip along the river, providing a unique way to enjoy the natural beauty.

Phuket

The second leg of your 21-day Thailand itinerary will take you to Southern Thailand. It's time to enjoy some of the country's most beautiful islands and beaches! Let’s explore!

The first place in Southern Thailand is Phuket. You can take a flight from Chiang Rai airport. You can go to Patong Beach on the first day when coming to Phuket.

Besides, you can take part in some outstanding activities at Patong beach including surfing, jet skiing, windsurfing, swimming, sunbathing and other water games.

Furthermore, you can discover some places:

• Khao Rang Temple: It is famous for its large golden Buddha statue.

• Phuket Town: Walk along Thalang Street, admire the colorful houses, Phang Nga Road and so on.

• Monkey Hill: This is home to numerous monkeys and offers a panoramic view of the island.

An interesting thing in Phuket is that you should take a boat trip to explore the nearby islands. You can come to The Similan Islands, considered as one of the most beautiful diving spots in the world.

In the evening, you can see Muay Thai Boxing. If you couldn't make it to a Muay Thai boxing match in Bangkok, you can do so in Phuket.

Krabi

Ferry/speedboat, bus, and taxi are the three main ways to travel from Phuket to Krabi. There is no direct flight from Phuket to Krabi.

On the first day you arrive, you can go to Ao Nang Beach in the afternoon and sunbathe. Because Ao Nang is the main seaside resort in the province, there are restaurants and shops there.

Embark on a full-day island-hopping tour to explore nearby islands and beaches. Visit places like Railay Beach, Phra Nang Cave Beach, and Poda Island. You can enjoy snorkeling, swimming, and sunbathing on the pristine beaches.

In the evening, explore Ao Nang's walking street for local shopping and street food. Besides, you can go exploring on the nearby island. You will have the opportunity to swim, relax, and take beautiful pictures in an idyllic setting throughout the day.

Koh Phi Phi

Koh Phi Phi is known as the world's cleanest beach. Here is some best places you can explore in island:

• Take a boat tour to Phi Phi Leh, the smaller and uninhabited sister island of Phi Phi Don. It is famous for Maya Bay, where the movie "The Beach" was filmed, and for its beautiful lagoons and snorkeling spots.

• Explore the small main village on Phi Phi Don, where you can find shops, restaurants, and places to rent equipment for water sports.

• Visit Monkey Beach, a small bay on Phi Phi Don where you can observe and interact with playful wild monkeys.

• Join the fun at Phi Phi Reggae Bar for a unique experience of Thai boxing matches held in a ring on the beach, followed by a beach party.

• Take a boat tour around Viking Cave, where you can see the bird's nest harvesting activities and admire the ancient cave paintings.

Phang Nga Bay

Phang Nga Bay is a magnificent complex of limestone mountains that stand upright on the seafloor, surrounded by a beautiful jade blue sea.

Here are some fantastic activities and places to visit in Phang Nga Bay:

• James Bond Island (Koh Tapu): The structure of the island may be a tourist attraction. Instead of the usual gentle slope, it is the part of the cliff that stands up and pokes straight into the sky.

• Sea Kayaking: Explore the intricate network of limestone caves, hongs (enclosed tidal lagoons), and hidden lagoons by kayaking through the calm waters.

• Floating Muslim Village (Koh Panyee): Experience the traditional way of life in the fishing village of Koh Panyee, which is built on stilts over the water.

• Phang Nga Bay National Park: Discover the diverse marine and birdlife in the national park, which is home to various species of fish, birds, and wildlife.

• Waterfall Exploration: Hike to and swim in the Ton Pariwat Waterfall, located within the national park. It's a refreshing break from the bay's heat.

• Explore the Caves: Visit the limestone caves in the area, such as Bat Cave and Ice Cream Cave, which have unique rock formations and cave paintings.

Koh Lanta

Koh Lanta is another beautiful island destination located in the Andaman Sea, off the western coast of Thailand. Koh Lanta offers pristine beaches, lush jungle-covered hills, and a wide range of activities for travelers seeking a more tranquil and less crowded island experience.

• Explore the Mu Ko Lanta National Park, which covers several of the islands in the Koh Lanta group. Visit the beautiful Tanod Beach and trek to the park's viewpoint for panoramic views.

• Discover the charming and quaint Koh Lanta Old Town on the eastern side of the island, known for its traditional wooden houses, seafood restaurants, and a peaceful ambiance.

• Hike up to the Koh Lanta Viewpoint to witness breathtaking views of the island and surrounding sea.

• Visit Koh Lanta Animal Welfare, a sanctuary for stray animals where you can interact with dogs and cats, and support their welfare efforts.

• Explore the underwater world around Koh Lanta through snorkeling or diving. The island is surrounded by excellent dive sites and abundant marine life.

• Go kayaking through the mangroves or along the coastline to discover hidden coves and caves.

Koh Yao Noi

You can choose to end this recommended 21 days itinerary in Thailand by visiting the island of Koh Yao Noi. You can spend the afternoon relaxing on the beaches. Koh Yao Noi is known for its picturesque and uncrowded beaches. Spend time soaking up the sun, swimming, and enjoying the serene surroundings.

In Koh Yao Noi, you can choose in several activities:

• Enjoy the peaceful and pristine beaches of Koh Yao Noi, such as Loh Paret Beach, Pasai Beach, and Klong Jark Beach. The island's beaches are perfect for sunbathing, swimming, and lounging.

• Boat trip to Phang Nga Bay, James Bond Island and Koh Panyee – 4500 Bahts per boat, also divided between the passengers.

• Cycling: Rent a bicycle and explore the island's quiet roads, lush landscapes, and charming villages. It's a great way to interact with locals and experience the island at your own pace.

• Kayaking: Rent a kayak and paddle along the calm waters, exploring hidden lagoons, mangroves, and coastal caves.

• Immerse yourself in the local culture by visiting the traditional fishing villages on the island. Interact with the friendly locals and learn about their way of life.

• Hike up to Tha Khao Viewpoint for stunning panoramic views of Phang Nga Bay and the surrounding islands.

21 days itinerary suggestion in Thailand

For 21 days Thailand Itinerary, we suggest you 3 options:

21 days itinerary of Northern Thailand and Beaches

• 4 days Bangkok

• 1 day Ayutthaya

• 2 days Sukhothai

• 1 days Lampang

• 4 days Chiang Mai

• 4 days Chiang Rai

• 5 days Phuket

21 days itinerary: Bangkok and Beaches

• 6 days Bangkok

• 2 days Kanchanaburi

• 2 days Kwai river

• 5 days Phuket

• 5 days Krabi

21 days itinerary: Southern of Thailand: Islands and Beaches

• 5 days Phuket

• 3 days Koh Phi Phi

• 2 days Phang Nga Bay

• 4 days Krabi

• 3 days Koh Lanta

• 4 days Koh Yao Noi

21 days Thailand itinerary cost

The cost of Accommodation

Hotels in Thailand are diverse with many types such as 2-star, 3-star, 4-star, 5-star, homestay... Depending on individual needs, you can choose for yourself the right type of room.

Some tips:

• Read reviews first.

• Book in advance through the app to avoid the shortage of rooms. Avoid peak tourist occasions to save costs.

• Choose a room near the center, convenient for moving.

The cost of Food

Food prices in Thailand vary greatly depending on where you eat, the type of cuisine you prefer, and the region you visit. Thailand is well-known for its cheap and delicious street food, as well as a diverse range of dining options to suit all budgets.

The price of food will vary between 40 and 200 Baht per dish, depending on whether you choose night markets, food markets, popular eateries, street eateries, restaurants, etc. As a result, the total cost of food in Thailand is around 600 Baht/day/person. Isn't it too cheap?

The cost of Transportation

In Thailand, public transport is extremely popular and diverse such as trains, buses, tuk tuks, taxis, technology cars, boats, etc. You can choose your favorite vehicle to move to places of sightseeing and entertainment.

Public Buses:

Local buses: In cities, local buses have very low fares, often around 10 to 20 Baht (0.3 to 0.6 USD) per ride.

Tuk Tuks:

Tuk Tuks is one of the most popular modes of transport in cities and towns. Tuk Tuk fares can vary widely, and it's important to negotiate the price beforehand. Short rides might cost around 50 to 150 Baht (1.6 to 5 USD).

The cost of Flight

The cost of flights in Thailand can vary widely depending on factors such as the route, airline, booking time, travel season, and class of service. There are numerous airlines that fly through Thailand at the moment. To save money, book your tickets several months in advance of the trip, avoiding the peak festival days.

That is some information about the 21-day Thailand itinerary I would like to share with you. If you have any questions about planning your 21-day Thailand itinerary, please feel free to ask me in the comments section below.