Thailand, Laos & Cambodia in 20 days: The ultimate itinerary

Embark on an epic 20-day journey across Thailand, Laos, and Cambodia. From the bustling streets of Bangkok to the tranquil temples of Luang Prabang, this itinerary covers everything. Explore the ancient wonders of Angkor Wat, sample incredible street food, and immerse yourself in the rich cultures of three captivating countries. Whether you're kayaking through Laos' limestone caves, exploring vibrant markets in Phnom Penh, or relaxing on Thailand’s beaches, this trip ensures you experience the best of Southeast Asia.

Get ready for the ultimate adventure!

Discover the beauty of Thailand, Laos & Cambodia in one journey

A combined Thailand, Laos, and Cambodia tour lets you experience the diverse beauty and culture of three captivating countries. From Thailand’s vibrant cities and stunning beaches to Laos’ tranquil rivers and jungles, and Cambodia’s ancient temples, this trip offers a unique opportunity to immerse yourself in Southeast Asia’s rich history, culture, and natural wonders.

Thailand’s alluring attractions

Thailand offers a captivating blend of vibrant cities, beautiful landscapes, and rich traditions, making it the perfect destination for any traveler. From bustling Bangkok to peaceful northern towns and world-renowned beaches, Thailand is full of contrasts that delight every kind of explorer. Whether you're seeking culinary adventures, spiritual sites the country delivers unforgettable experiences with warm hospitality.

• Stunning beaches: Phuket, Krabi, Koh Phi Phi

• Ancient temples: Wat Arun, Wat Phra Kaew, Grand Palace

• Iconic cuisine: Pad Thai, Tom Yum, Green Curry

• Festivals and culture: Songkran, Loy Krathong, Thai Boxing

The tranquil charms of Laos

Laos is the heart of Southeast Asia, offering a peaceful retreat with its untouched beauty and spiritual atmosphere. Life moves slowly here, giving you time to soak in misty mountains, sleepy riverside towns and centuries-old temples. With fewer crowds and a strong sense of tradition, Laos provides a genuine and serene journey unlike anywhere else in the region.

• Limestone landscapes: Vang Vieng’s caves and the Nam Song River

• Historic temples: Wat Xieng Thong, Wat Sisaket

• Serene scenery: The Mekong River, Kuang Si Falls

• Rich traditions: Buddhist ceremonies, Laos New Year

Timeless wonders of Cambodia

Cambodia is a land of ancient temples, lush landscapes and fascinating history, offering a deep dive into Southeast Asia’s past. Beyond the awe-inspiring Angkor complex, you'll find vibrant communities, floating villages and heartfelt cultural expressions. Cambodia’s resilience and rich heritage leave a lasting impression on every traveler who ventures into its heart.

• Majestic temples: Angkor Wat, Bayon Temple, Ta Prohm

• Lush landscapes: Tonle Sap Lake, Cardamom Mountains, Koh Rong Island

• Traditional cuisine: Amok, Lok Lak, Bai Sach Chrouk

• Cultural heritage: Khmer New Year, Apsara Dance

Best time to visit Thailand, Laos & Cambodia

Planning your journey across Thailand, Laos, and Cambodia at the right time can elevate your entire experience. Each country shares a tropical climate, but weather patterns vary slightly by region. Understanding the seasonal differences will help you make the most of your 20-day adventure through Southeast Asia.

Ideal travel seasons

The best time to explore all three countries is during the dry season, from November to March. During this period, you can expect pleasant temperatures, clear skies and minimal rainfall—ideal for sightseeing, nature excursions, and beach getaways.

• Thailand: Northern regions are cooler and drier from November to February, while southern beaches like Phuket and Krabi are sunny and perfect for island hopping.

• Laos: From November to March, the weather is mild and ideal for exploring temples, caves, and riverside towns.

• Cambodia: December to February offers sunny, comfortable days—perfect for discovering the temples of Angkor and enjoying the countryside.

Travel tips for seasonal travel

No matter the season, planning ahead will ensure a smoother journey. Here are a few seasonal travel tips to keep in mind:

• Peak season (Nov–Mar): This is the most popular time to visit. Be sure to book flights, hotels, and major tours in advance, especially in hotspots.

• Shoulder months (April & October): These months offer a balance of good weather and fewer tourists. You’ll likely find better hotel rates and a more relaxed atmosphere.

• Wet season (May–October): While daily showers are common, they’re usually short and followed by sunshine.

• For festival lovers: Traveling during events like Songkran (Thailand) or Pi Mai (Laos New Year) adds a festive vibe to your trip. Just remember to plan ahead, as accommodations often sell out during major holidays.

The ultimate 20-day itinerary: Thailand, Laos & Cambodia

Crafted for culture seekers and nature lovers alike, this 20-day itinerary takes you through the heart of Southeast Asia. Begin in Thailand’s vibrant cities and temples, continue through Laos’ tranquil landscapes, and end your journey amid Cambodia’s ancient ruins. Here’s how to make the most of your adventure.

Visit Thailand (Days 1–9): Kickstart your journey with color and culture

Start your trip in Thailand, a country that blends golden temples, lively street scenes, and natural beauty. From the bustling capital of Bangkok to the peaceful mountains of Chiang Mai, the first leg of your journey introduces you to Thailand’s vibrant culture and historic treasures.

Day 1-2: Bangkok Grand Palace and Wat Phra Kaew (Temple of the Emerald Buddha) Wat Pho (Reclining Buddha Temple) Wat Traimit (Golden Buddha Temple) Explore Yaowarat (Chinatown) and local street markets
	Day 3: Bangkok - Kanchanaburi Maeklong Railway Market Damnoen Saduak Floating Market Bridge over the River Kwai Ride the Death Railway train
Day 4: Kanchanaburi - Ayutthaya Explore Ayutthaya Historical Park: Wat Mahathat Wat Yai Chai Mongkol Wat Phra Si Sanphet Wat Mongkhon Bophit Wat Chai Watthanaram
	Day 5: Ayutthaya - Chiang Rai Visit Bang Pa-In Summer Palace Transfer to Bangkok airport Domestic flight from Bangkok to Chiang Rai
Day 6: Chiang Rai Wat Phra Kaew (Emerald Buddha Temple) Wat Rong Suea Ten (Blue Temple) Baan Dam Museum (Black House) Wat Rong Khun (White Temple) Boat trip on Mekong River to a Karen village
	Day 7: Chiang Rai - Chiang Mai Visit the Golden Triangle (border of Thailand, Laos, and Myanmar) Opium Museum Ancient city of Chiang Saen Stop at Mae Kha Jan Hot Springs on the way to Chiang Mai
Day 8: Chiang Mai Wat Phra That Doi Suthep Visit local handicraft villages (silk, lacquerware, wood carving, umbrellas, silverware) Thai cooking class at Khrua Baan Thai
	Day 9: Chiang Mai – Doi Inthanon – Chiang Mai Doi Inthanon National Park Visit Wachirathan & Siriphum waterfalls Royal Twin Pagodas Royal agricultural project Karen hill tribe village

Visit Laos (Days 10–14): Drift through peace and authenticity

A land of misty mountains, ancient temples, and slow-flowing rivers, Laos offers a serene contrast to the bustle of Thailand. From the UNESCO-listed town of Luang Prabang to the dramatic karst landscapes of Vang Vieng and the laid-back capital of Vientiane, this leg of your journey is filled with natural beauty, cultural depth, and a peaceful rhythm of life.

Day 10: Chiang Mai - Luang Prabang Flight from Chiang Mai to Luang Prabang Explore Luang Prabang at leisure
	Day 11: Luang Prabang Visit the Royal Palace Museum Wat Xieng Thong, Wat Aham, Wat Mai Traditional weaving center Ock Pop Tok Sunset cruise on the Mekong River with dinner and music
Day 12: Luang Prabang - Vang Vieng Scenic mountain drive with stop at Phatang Viewpoint Visit Tham Chang Cave upon arrival
	Day 13: Vang Vieng Explore local market and Tham Sang cave system (Tham Hoi, Tham Loup, Tham Nam) Boat ride on Nam Song River Discover surrounding countryside and villages
Day 14: Vang Vieng - Vientiane Drive to Vientiane Visit Patuxay Monument, That Luang Stupa, and Wat Si Muang Shopping at Morning Market (Talat Sao)

Visit Cambodia (Days 15–20): Unearth the stories of an ancient empire

Step into the heart of the ancient Khmer Empire as you explore Cambodia’s awe-inspiring temples and vibrant culture. From the iconic Angkor Wat complex in Siem Reap to the floating villages of Tonlé Sap Lake, this final chapter of your journey delivers both historical wonder and authentic local charm.

Day 15: Vientiane - Siem Reap Visit the Angkor National Museum Take a leisurely walk through the Old Market (Phsar Chas) Enjoy sunset views along the Siem Reap Riverside
	Day 16: Siem Reap - Angkor Wat Visit Angkor Thom: Bayon, Baphuon, Terraces of the Elephants and Leper King, Phimeanakas Explore Ta Prohm and Angkor Wat Sunset at Phnom Bakheng Dinner with Apsara dance show
Day 17: Siem Reap - Surrounding Temples Trek to Kbal Spean (River of a Thousand Lingas) Visit a palm sugar village Banteay Srei and Banteay Samre Temples
	Day 18: Siem Reap - Rolous Group Explore Roluos temples: Preah Ko, Bakong, Lolei Visit Prasat Kravan, Banteay Kdei, and Srah Srang
Day 19: Siem Reap - Tonle Sap Visit Pre Rup, East Mebon, Ta Som, Neak Pean, Preah Khan, and Baksei Chamkrong Boat ride on Tonlé Sap Lake to see Chong Khneas floating village
	Day 20: Siem Reap - Departure Enjoy your last moments in Cambodia before flying home.

Top travel itineraries for your Southeast Asia adventure

To make the most of your Southeast Asia journey, consider booking a guided tour for a seamless and enriching experience. Whether you're a first-time traveler or a seasoned explorer, these thoughtfully designed itineraries offer the perfect balance of culture, adventure, and relaxation.

• Thailand tour 14 days – From Northern to Southern Charms: Journey through Thailand’s contrasts—from the cultural gems of Ayutthaya, Chiang Mai, and Chiang Rai to the tropical paradise of Koh Yao Yai and Phuket.

• Paradise trip from Bangkok to Chiang Mai 14 days: Immerse yourself in the essence of Thailand, from the vibrant streets and royal heritage of Bangkok to the scenic mountain beauty and temples of Chiang Mai.

With Hanoi Voyages, your Southeast Asia adventure will be smooth, meaningful, and unforgettable. Let their local insight and customized service turn your travel dreams into reality!

Must-try local dishes across Thailand, Laos & Cambodia

One of the best ways to experience a new culture is through its cuisine. From Thailand’s bold spices to Laos’ fresh herbs and Cambodia’s rich curries, each bite tells a story. Here are the must-try dishes on your journey.

Thailand

Thailand’s cuisine is a vibrant mix of sweet, spicy, salty, and sour flavors—balanced in every dish.

Pad Thai – Stir-fried noodles with shrimp and peanuts.	Som Tam – Spicy green papaya salad.	Tom Yum – Hot and sour soup with shrimp.

Laos

Lao food is all about freshness, sticky rice, and the perfect mix of herbs and fermented flavors.

Larb – Minced meat salad with herbs and spices.	Sticky Rice – A staple in every Laotian meal.	Tam Mak Hoong – Lao-style papaya salad.

Cambodia

Cambodian cuisine blends aromatic herbs, coconut-based curries, and French colonial influences.

Fish Amok – A creamy coconut fish curry.	Lap Khmer – A refreshing Cambodian beef salad marinated in lime juice and herbs.	Lok Lak – Stir-fried beef with a tangy dipping sauce.

Travel tips for a smooth 20-day journey

Make the most of your Southeast Asia adventure by being prepared. Here are some essential travel tips covering visas, currency, safety, and what to pack—so your 20-day journey through Thailand, Laos, and Cambodia goes off without a hitch.

Visa & travel requirements

Crossing multiple borders requires a bit of paperwork, but it’s all manageable with a little preparation.

Most nationalities need visas for Cambodia and Laos. Thailand offers visa-free entry for many travelers, typically up to 30 days. Double-check requirements based on your nationality and apply online when possible. Also, make sure your passport is valid for at least six months beyond your travel dates.

Currency & payment tips

Money matters vary slightly from country to country, so here’s what to keep in mind while spending across borders.

• Thailand: Thai Baht (THB) is the official currency. ATMs are widely available.

• Laos: Lao Kip (LAK) is used, but Thai Baht and USD are commonly accepted.

• Cambodia: While the local currency is Cambodian Riel (KHR), USD is the preferred and most widely used currency. Carry small denominations.

Tip: Credit cards are accepted at upscale hotels and restaurants, but cash is still king in local markets and rural areas.

• Currency exchange in Laos: A complete guide for travelers

• Currency exchange in Thailand: Must-know tips for travelers

• Exchanging money in Cambodia: Important tips for travelers

Health & safety tips

Your health and safety are key to enjoying every step of this adventure.

• Stay hydrated and carry a reusable water bottle—tap water isn’t drinkable in any of these countries.

• Use insect repellent, especially in forested or rural areas, to protect against mosquito-borne illnesses.

• Respect local customs, dress modestly at religious sites, and always remove shoes before entering temples.

Packing essentials

When packing for a multi-country, tropical adventure, comfort and functionality should come first.

• Lightweight, breathable clothing for humid days, plus a light jacket for cooler evenings in the north.

• Comfortable walking shoes for temple-hopping and exploring ancient ruins.

• Don’t forget sunscreen, sunglasses and a hat to stay protected from the strong Southeast Asian sun.

Embark on this Indochina 20-day tour package and uncover the rich heritage, stunning landscapes, and vibrant cultures of Thailand, Laos, and Cambodia. From golden temples to hidden villages, this Southeast Asia 3-week itinerary ensures an unforgettable experience packed with history, adventure and authentic encounters.

Travel hassle-free with Hanoi Voyages—your local expert for seamless, enriching, and personalized journeys across Southeast Asia.