Best Itinerary for Vietnam Cambodia Laos Thailand: The Ultimate 18–28 Day Southeast Asia Adventure

Written by Tony Bùi, with over 20 years of experience guiding more than 100,000 international travelers across Southeast Asia. This guide is crafted from firsthand knowledge and guest feedback collected by Legend Travel Group since 2008.

=> Grand Indochina and Thailand Adventure 25-Day

=> Explore Southeast Asia: A Multi-Country Tour 22-Day

=> Legendary of Indochina - 20 Days

This legendary route is the most popular multi-country journey in Southeast Asia, connecting four UNESCO-rich nations in one seamless adventure. From the emerald waters of Halong Bay to the majestic temples of Angkor, the serene beauty of Luang Prabang, and the vibrant energy of Bangkok, this itinerary delivers the perfect balance of culture, nature, history, and relaxation. Designed and operated exclusively by Legend Travel Group, it ensures smooth transfers, hand-picked boutique hotels, expert local guides, and worry-free travel across borders.

Only 10% deposit required – final payment just 30 days before departure. Travel with complete peace of mind.

• Classic: 18–21 days (ideal for first-time visitors)

• In-Depth: 24–28 days (includes Mekong Delta, Chiang Mai & Phuket/Koh Samui)

• Best Time: November–April (cool & dry across all four countries)

• Shoulder Season: May & September–October (fewer crowds, great value)

Days 1–4: Vietnam – Hanoi & Halong Bay

Begin your Vietnam Travel in the charming capital. Wander the Old Quarter, enjoy street food, and cruise overnight on a luxury junk in breathtaking Halong Bay – a UNESCO World Heritage masterpiece.

Days 5–8: Vietnam – Central Highlights (Hoi An, Hue, optional Da Nang)

Fly to the lantern-lit ancient town of Hoi An. Explore marble mountains, imperial Hue, and relax on An Bang Beach. This central stretch is the heart of every great Vietnam Tour.

Days 9–12: Cambodia – Siem Reap & Angkor Complex

Cross into Cambodia and witness sunrise at Angkor Wat, explore the jungle-covered Ta Prohm, and discover the majestic faces of Bayon. The world’s largest religious monument awaits on your Cambodia Travel adventure.

Days 13–17: Laos – Luang Prabang & Mekong River

Fly to the tranquil UNESCO town of Luang Prabang. Witness the morning alms-giving, cruise the Mekong to Pak Ou Caves, and hike to Kuang Si waterfalls – the serene soul of every Laos Tour.

Days 18–21 (or extend to 28): Thailand – Bangkok, Ayutthaya & Beach Extension

End in electrifying Bangkok with the Grand Palace, Wat Arun, and floating markets. Add an optional day trip to historic Ayutthaya or fly south to Phuket, Koh Samui, or Krabi for island relaxation – the perfect finale to your Thailand Travel.

18-Day Highlights Tour

Hanoi → Halong Bay → Hoi An → Siem Reap → Angkor Wat → Luang Prabang → Bangkok
From USD 2,799 per person (twin share) – All flights included

24-Day Grand Indochina Journey

Adds Hue, Mekong Delta (Vietnam), Battambang (Cambodia), Vientiane & Vang Vieng (Laos), and Chiang Mai (Thailand)
From USD 3,999 per person – Private tour option available

28-Day Ultimate Southeast Asia Odyssey

Includes Phu Quoc or Con Dao island (Vietnam), 4,000 Islands (Laos), and Phuket or Koh Samui beach extension (Thailand)
From USD 4,799 per person – Luxury upgrades available

All itineraries include:

• International & domestic flights

• 4–5 star boutique hotels & hand-picked resorts

• Daily breakfast + selected lunches/dinners

• Private air-conditioned vehicles & English-speaking guides

• All entrance fees & border assistance

• 24/7 support from Legend Travel Group team

• Operating since 2008 – Over 100,000 happy guests

• Only 10% deposit to secure your spot

• Final payment 30 days before departure – Travel stress-free

• Flexible cancellation & change policies

• Expert local guides in every destination

• Sustainable, community-supporting travel

• Seamless border crossings handled for you

Visit https://www.legendtravelgroup.com or contact our team:
WhatsApp: +84 825 862 222
Email: sales@legendtravelgroup.com

Secure your spot today with just 10% deposit!

By Legend Travel Group – Crafting Unforgettable Southeast Asian Journeys Since 2008
Secure your adventure today at https://www.legendtravelgroup.com