Are you planning to go to Thailand for 3 weeks? Are you looking for the best itinerary? Where and how much does it cost?

Don’t worry, Hanoi Voyages will help you make the 3 weeks Thailand itinerary.

Thailand is a huge country with so much to offer. It is well-known for its rich cultural heritage, breathtaking natural landscapes, friendly people, and a blend of modernity and tradition. The country is characterized by diverse landscapes, including lush jungles, tropical beaches, limestone cliffs, fertile plains, and bustling cities.

In this itinerary, I would like to suggest you visit Bangkok – the capital of Thailand, the province of the North. Then you will discover South Thailand such as Phuket, Koh Lanta and Krabi, Koh Pha Ngan, etc. Let’s find out!

What to do in the 3 weeks Thailand itinerary?

 Planning a 3 weeks Thailand itinerary? From the bustling streets of Bangkok to the cultural gems of Chiang Mai, the pristine islands in the South, and hidden gems off the beaten path, this guide will help you make the most of your journey across Thailand.

Bangkok

Begin your 3 weeks Thailand itinerary by visiting Bangkok, Thailand’s capital. In Bangkok, there are numerous places to visit. That’s fantastic!

Get a good night’s sleep when you arrive at your hotel to recover from jet lag and prepare for the next day.

You should visit the following places on several days for trip in Bangkok:

• Grand Palace: is a magnificent complex of buildings that served as the official residence of Siam’s and later Thailand’s kings. It is both an architectural marvel and a symbol of the country’s rich history and culture. Entrance cost to the Grand Palace is 500 Baht.
• Wat Pho: Visiting Wat Pho, also known as the temple of the Reclining Buddha, is a must-see for visitors to Bangkok. This historic and beautiful temple complex is known for its massive reclining Buddha statue. It takes 5 minutes to walk from the Grand Palace and 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 is one of the city’s oldest and busiest neighborhoods, known for its bustling markets, vibrant street life, and delectable culinary delights.
• Lumpini Park is a tranquil oasis in the midst of Bangkok’s bustling urban landscape.
• The Siam district is famous for its massive, ultra-modern shopping malls.
• Bangkok’s market: Explore Chatuchak Weekend Market, Pratunam, and the floating markets of Damnoen Saduak or Amphawa for local flavors, shopping, and vibrant culture

In the evening, you can also end the day by attending a Muay Thai boxing match, the national sport if you are looking for a bit more action.

Ayutthaya

The next place you should visit in 3 weeks Thailand itinerary is Ayutthaya.

Ayutthaya is packed with Buddhist temples, ancient statues, and monasteries.

There are some temples you can discover:

• Visit Wat Phra Si Sanphet, the largest and most significant temple in Ayutthaya, known for its three iconic chedis (stupas) and impressive Buddha images.
• Discover Wat Mahathat, famous for the Buddha head encased in tree roots – a popular photo spot for visitors.
• Explore Wat Ratchaburana, known for its impressive prang (Khmer-style tower) and ancient murals.
• Visit Wat Phra Ram, a serene temple with a beautiful lake nearby, providing picturesque views.
• Wat Maheyong is located outside the historical park, towards the floating market. Unfortunately, there isn’t much left of it, which perhaps explains why it is not flocked by tourists. If you have taken the Pass and you have a little time to spare, you can always go and have a look.
• Wat Chai Watthanaram’s construction began in the 17th century and lasted for almost 20 years. This Khmer-style temple located on the river banks features a large central prang, about 35 meters tall, surrounded by several smaller chedis.

Sukhothai

Sukhothai is the next stop on your 3 weeks Thailand itinerary.

Because the flight from Bangkok to this location only takes about an hour, this is a popular mode of transportation for many tourists, particularly large groups, the elderly, and children.

You can visit Sukhothai and explore some of its attractions!

• Explore the 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.
• Visit Wat Mahathat, the most important temple in Sukhothai, known for its large central stupa and beautiful Buddha images.
• Discover Wat Si Sawai, an ancient Hindu temple with three prongs (towers) and unique architecture influenced by Khmer and Mon styles.
• Enjoy the peaceful setting of 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.
• Take a day trip to Si Satchanalai Historical Park, a second ancient city of the Sukhothai Kingdom, located about an hour away from Sukhothai. It features impressive ruins and a quieter atmosphere.
• Visit Wat Tra Phang Ngoen, known for its unique lotus-bud-shaped chedi and serene surroundings.
• Explore Sukhothai Organic Farm and learn about sustainable agricultural practices and Thai farming traditions.

Lampang

Lampang, located in northern Thailand, combines cultural heritage with natural beauty and traditional experiences. Here are some things to do and places to go in Lampang:

• Wat Phra That Lampang Luang: Visit this ancient temple, known for its stunning Lanna architecture, large chedi, and serene surroundings.
• Baan Sao Nak: Explore the “House of Many Pillars,” a historic teakwood mansion with intricate designs and unique architecture.
• Lampang Horse Carriage Ride: Take a leisurely horse-drawn carriage ride around the city, a unique and charming way to explore.
• 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.
• Kad Kong Ta Street Market: Experience local life and shop for traditional crafts, fresh produce, and local treats.

Kanchanaburi

Kanchanaburi is famous for the World War II Death Railway bridge across the River Kwai, as well as its national parks, museums, historic structures, and natural wonders. If you are curious about Kanchanaburi. Let’s find out! Many things to do are waiting for you!

• Visit the famous Bridge on the River Kwai, a historical landmark and part of the Death Railway built during World War II.
• Death Railway museum and Research Centre: Learn about the history of the Death Railway and the experiences of prisoners of war during its construction at this informative museum.
• Jeath War museum collects letters and personal items of prisoners
• World War II museum and famous bridge view
• Explore Erawan National Park, known for its stunning waterfalls and emerald green ponds. The seven-tiered Erawan Waterfall is the park’s main highlight.

Chiang Mai

Continue North for 300 kilometers to Chiang Mai in a 3-week Thailand itinerary. You can spend the first day walking around the area where you are staying.

For the next days in Chiang Mai, you can visit some historical temples:

• Wat Phra Singh: Free entry.
• Wat Chedi Luang: The entrance fee is 40 Baht
• Wat Inthakhin Sadue Muang: Free of charge.
• The Three Kings Monument
• Wat Saen Fang, Wat Buppharam and Wat Mahawan. Only the Buppharam temple has an entrance fee: 20 Baht

Besides, you have some options:

• Doi Suthep-Pui National Park: Hike or drive up Doi Suthep Mountain to visit Wat Phra That Doi Suthep and enjoy panoramic views of Chiang Mai.
• Wander around the historic Old City area, with its ancient city walls and moat, and discover hidden temples and charming cafes.
• Elephant Sanctuaries: Choose an ethical elephant sanctuary that promotes responsible tourism and offers a chance to interact with elephants in a cruelty-free environment.Elephant Nature Park was one of the first parks ever created to protect elephants.
• 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.

To round out the day, visit the Night Bazaar (during the week) or the Saturday or Sunday evening market if the day is on weekends

NOTICE: For a truly unforgettable Chiang Mai experience, time your trip with the Songkran Festival in April, when the whole city bursts into joyful water fights, or the Yi Peng Lantern Festival in November, when thousands of lanterns illuminate the night sky

Set off on the ultimate 3 weeks Thailand itinerary: discover Chiang Mai’s cultural treasures, Bangkok’s buzzing energy, and the serene beauty of southern islands. Check out our tours, and we will plan a trip together!

Chiang Rai

When visiting the north of Thailand, this is a must-see destination in 3 weeks Thailand itinerary. It’s Chiang Rai.

So the best way to get there?

• Car: it takes 3 hours and 30 minutes to drive the 200 kilometers from Chiang Mai.
• Bus: takes about the same amount of time.

There is no train station in Chiang Rai, so there is no way to get there by train.

You will arrive at Chiang Rai in the afternoon, so you have time to visit:

• Wat Phra Kaew: It’s free
• Wat Ming Meuang: It’s free
• The HillTribe museum on the history of northern Thailand’s mountainous ethnicities, costs 50 Baht.

On the several days, you can see some places like:

• The White temple (Wat Rong Khun): This beautiful temple is the work of a Thai painter and architect, Chalermchai Kositpipat.The entrance fee is 50 Baht.
• Blue temple (Wat Rong Suea Ten): There are many blue statues with intricate details, such as the dragons or guards guarding the entrance.
• Visit Singha Park to see the tea plantations and take a photo of the park’s emblem, a large statue of a golden lion. It’s completely free.
• Take a road trip through beautiful scenery between Doi Tung and Mae Salong. You can also walk to Mae Salong market.

Kwai River

The Kwai River, also known as the Khwae River, is a picturesque river located in western Thailand. It’s famous for its natural beauty and historical significance, particularly due to its association with the Death Railway during World War II. Here are some things to do and places to explore along the Kwai River:

• Bridge over the river Kwai: Visit the famous Bridge over the River Kwai, named after its appearance in the film “The Bridge on the River Kwai.” The bridge’s history and its role in World War II are significant.
• Erawan national park: Explore Erawan National Park, which features the stunning Erawan Waterfall with multiple tiers and clear blue pools. You can hike to different levels and swim in the pools.
• River cruises: Enjoy a relaxing boat cruise along the Kwai River, offering scenic views of the surrounding landscape.
• Historical tours: Take guided tours that provide insights into the history of the Death Railway and the events of World War II in the region.
• Bamboo rafting: Experience a leisurely bamboo rafting trip along the river, providing a unique way to enjoy the natural beauty.

Phuket

Phuket, Thailand’s largest island, offers a diverse range of activities and attractions, making it an ideal destination for beach lovers, adventure seekers, and those interested in experiencing Thai culture and entertainment.

As part of a luxury trip to Thailand, Phuket stands out as a must-visit destination with experiences that cater to every kind of traveler.

• Relax and enjoy the lively atmosphere of Patong Beach, one of Phuket’s most famous and vibrant beaches.
• Take Bangla Road towards Patong at the end of the day, where shops, bars, restaurants, and nightclubs make it Phuket’s liveliest street.
• Embark on a boat trip to Koh Phi Phi. Whether you’re seeking relaxation, adventure, or both, Koh Phi Phi delivers — from kayaking through lagoons to exploring hidden coves and dramatic cliffs.

Besides, 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.
• Discover Wat Chalong, one of Phuket’s most important Buddhist temples, with its beautiful architecture and religious significance.
• Visit the iconic Big Buddha, a large marble statue situated on top of Nakkerd Hill, offering stunning panoramic views of the island.
• Try various water sports such as snorkeling, scuba diving, jet-skiing, parasailing, and kayaking at Phuket’s beaches.
• Explore the local night markets like Phuket Weekend Market (Naka Market) and Chillva Market, offering a wide range of food, clothing, and souvenirs.
• Have fun with optical illusions and 3D artworks at the Phuket Trickeye museum.

Krabi

Continue your 3 week trip to Thailand, you can’t miss Krabi.

When you arrive, take a rest and then go to Ao Nang beach to sunbathe. Ao Nang is renowned for its stunning natural landscapes, limestone cliffs, clear waters, and vibrant marine life.

For the following day in Krabi, it’s time to explore the best things:

• Taking a short boat ride from Ao Nang to Railay beach. It is well-known for its two beautiful sandy beaches and turquoise waters: Railay West beach (where you arrive by boat) and Phra Nang beach, which is a 15-minute walk from the first beach.
• Relax on the sandy shores of Ao Nang beach, where you can sunbathe, swim, and enjoy the views of the Andaman Sea.
• Besides, engage in water sports like kayaking, stand-up paddle boarding, and snorkeling.
• Climb the 1,237 steps to the Tiger Cave temple (Wat Tham Sua) to witness panoramic views of Krabi and its surrounding countryside.
• Visit the Emerald Poo (Sa Morakot), a natural hot spring surrounded by lush forest, perfect for a relaxing dip.
• Enjoy a soak in the natural hot springs at Klong Thom, believed to have therapeutic properties.
• Have a day trip to Koh Hong, an island with pristine beaches and emerald waters, ideal for snorkeling and swimming.

Koh Samui

Koh Samui, an island in the Gulf of Thailand. Whether you’re seeking relaxation on the beach, outdoor adventures, or cultural experiences, Koh Samui has something for everyone. Here are some things to do in Koh Samui:

• Relax on Chaweng beach, the island’s most famous and busiest beach, known for its soft white sand and a wide range of beachfront resorts, restaurants, and bars.
• Visit Lamai beach, the second-largest and one of the more laid-back beaches on the island, ideal for swimming and sunbathing.
• Explore the Fisherman’s Village in Bophut, a charming area with narrow streets, boutique shops, and a variety of restaurants and bars.
• Enjoy at Ang Thong National Marine Park which covers more than 100 sq km of land and sea. Snorkeling, hiking, sea kayaking, diving, and simply relaxing are the main activities.
• Take a picture with Na Muang Waterfalls with two cascading waterfalls surrounded by lush jungle.
• Watch or participate in a Muay Thai boxing match, a traditional Thai martial art.

Koh Phi Phi

Koh Phi Phi is a stunning archipelago in Thailand known for its breathtaking scenery, clear waters, and vibrant nightlife. Here are some of the top things to do in Koh Phi Phi:

• 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.

Koh Pha Ngan

Koh Phangan, an island in the Gulf of Thailand, is known for its natural beauty, vibrant nightlife, and tranquil beaches. Whether you’re seeking relaxation or adventure, here are some of the top things to do in Koh Phangan:

• Relax on the island’s beautiful beaches, such as Haad Yao, Thong Nai Pan, and Bottle beach, each offering its unique charm and atmosphere.
• Experience the famous Full Moon Party on Haad Rin beach, where thousands of revelers come together to dance, drink, and celebrate under the full moon.
• Enjoy various water activities, including snorkeling, diving, kayaking, and paddle boarding in the clear waters surrounding the island.
• Visit Than Sadet waterfall, a series of cascading waterfalls surrounded by lush jungle, perfect for a refreshing dip.
• Hike up to Wat Phu Khao Noi, a hilltop temple offering panoramic views of Ko Pha Ngan and the surrounding islands.
• Yoga and Wellness Retreats: Ko Pha Ngan is also known as a wellness destination, offering various yoga retreats, wellness centers, and spa treatments.
• Explore the night markets, such as Thong Sala night market and Srithanu night market, to sample delicious Thai street food and shop for souvenirs.

Koh Lanta

The next destination you must visit in the 3 weeks Thailand itinerary is Koh Lanta.

With its beautiful beaches, lush landscapes, and laid-back vibe, Koh Lanta is a great destination for those looking to unwind and explore.

You can enjoy one of the many beaches on Koh Lanta Island on the west coast. The further south you go, the fewer people there will be.

Furthermore, you must go on a 4-island boat trip. And the best thing is that there are swimming and snorkeling stops at each island.

• Koh Chuek: Ideal for snorkeling with its shallow waters and vibrant coral reefs.
• Koh Waen: The fish and corals are very different from Koh Chuek.
• Koh Muk: Visit the famous Emerald Cave, a hidden lagoon accessible through a tunnel.
• Koh Ngai: Relax on the white sand beach and snorkel in the clear waters.

Besides, you should discover some places:

• 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.

Koh Yao Noi

You can end to 3 weeks Thailand itinerary by visiting Koh Yao Noi.

Koh Yao Noi is a peaceful and picturesque island in Thailand’s Phang Nga Bay, known for its natural beauty, tranquility, and traditional Thai way of life. Here are some of the top things to do on Koh Yao Noi:

• 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.
• Explore the calm waters and mangrove forests around the island by going kayaking or canoeing.
• Rent a bicycle or motorbike to explore the island at your own pace and discover its rural charm and scenic landscapes.
• 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.
• Thai Cooking Classes: Learn to prepare delicious Thai dishes by enrolling in a cooking class. Visit local markets to pick fresh ingredients.
• Yoga and Wellness Retreats: Koh Yao Noi is known for its wellness centers and yoga retreats. Participate in yoga classes and indulge in spa treatments.

For 3 weeks Thailand Itinerary, we suggest you this detailed guide day by day.

Your ultimate journey starts here — don’t miss it

3 weeks Thailand itinerary cost

The cost of flight

At the moment, numerous airlines fly through Thailand such as: Thai AirAsia, Bangkok Airways, Thai Airways,…

Flight prices in Thailand can vary greatly depending on factors such as the route, airline, booking time, travel season, and class of service. Flight tickets can price range from $1200 – $2500

NOTE: To save money, fly on the cheapest days and book your tickets several months in advance, avoiding peak Thailand festival days.

The cost of food

Thailand is truly a foodie’s paradise. As a result, the food is reasonably priced.

The cost of food in Thailand can vary greatly depending on where you eat, the type of Thai cuisine.

• Street food: Full meals can be purchased for as little as 35 Baht (1 USD).
• Local restaurants: A full meal in one of these restaurants can cost between 40 and 100 Baht, which is roughly 2-4 USD.
• Fancy restaurants: A full meal in a super high-quality restaurant can cost a few hundred Baht, and it is rare to find something that costs over 30 USD.

The cost of accommodation

The cost of accommodation in Thailand can vary widely based on factors such as location, type of accommodation, quality, and the time of year you’re visiting.

Hostels and guesthouses offer some of the most affordable options.

Mid-range hotels and resorts provide more comfort and amenities. Prices typically range from $50 – $250 per night, depending on the location and quality.

The cost of transportation

The cost of transportation in Thailand can vary depending on the mode of transportation you choose, the distance traveled, and your preferences for comfort and convenience.

In cities and towns, tuk-tuks and songthaews are common modes of transportation. Short rides within a town may cost between 30 and 100 Baht.

In Bangkok, the BTS Skytrain and MRT subway offer convenient transportation. Fares range from 15 to 60 Baht per ride, depending on the distance.

What to pack for a 3-week in Thailand itinerary?

First time to Thailand and you don’t know what to bring for your 3 week trip in Thailand? Don’t worry, I’ll give you tips and you won’t miss a thing.

Proper clothing for temples and palaces

You’ve planned at least one temple visit in Thailand, so dress appropriately. Both men and women are required to wear sleeved clothing to the Grand Palace and Wat Phra Kaew. Cover your shoulders, ankles, and midriff. Men must wear long trousers, and women must wear long trousers or long skirts. Tight pants and flip-flops are also not permitted.

Tissue and wet wipes

Some sad truths about Thai toilets: toilet paper and soap aren’t always available. While tissue paper is more commonly available, getting both tissue and wet wipes is a surefire way to maintain good hygiene.

Sun protection

The sun is unmistakably bright. Put a hat, sunglasses, and sunscreen on your packing list for Thailand.

Insect repellent

Thailand is tropical and rainy so you should bring insect repellent, especially mosquito repellent.

You’ll want to pack mosquito repellent for Thailand, ideally a variety of defence mechanisms.

Water bottle

In Thailand, you can refill water bottles with filtered water for a few cents, so bring your own water bottle and fill it up as you go to save money. You’ll also help to reduce the number of plastic bottles that wash up on Thailand’s beautiful beaches.

Embark on an unforgettable journey through Thailand with this 3-week itinerary, from bustling cities and ancient temples to serene islands and lush jungles. Experience cultural highlights in Bangkok and Chiang Mai, relax on tropical beaches in the south, and uncover hidden gems along the way. Plan your perfect adventure with Hanoi Voyages for a seamless and enriching experience.