18-Day South East Asia Tours - Unique 18-Day tours to South East Asia

Accommodations

BudgetSimple stays with essential amenities. Typically guesthouses, hostels or hotels rated below 3 stars — clean, no-frills, and great for value-conscious travelers.
Mid-rangeComfortable and reliable 3-star stays. Expect private rooms, en-suite bathrooms, and solid amenities — a great balance between comfort and cost.
PremiumUpscale 4-5 star hotels and lodges. Enjoy high-end service, refined comfort, and premium locations — ideal for travelers seeking extra indulgence.

Super Sales

Journeys: Discover Southeast Asia - 18 days

(12 reviews )

No booking fees

Best price guaranteed

For my first time with a group tour I feel I really lucked out. The trip was packed with fun moments inspiring moments and , impactful learning moments. The trip of a lifetime. Over and above what I expected. Souvann the CEO was the icing on the cake. Again thanks to Souvann and Gadventures for a wonderful trip.

Cultural, religious and historic sites

Tour Type

Small Group Tour

Accommodation

Hotel, Resort, Villa

Age Range

12-100 yrs

Operated in

english

Destinations

Siem Reap, Bangkok, Hanoi, Ho Ch

Siem Reap, Bangkok, Hanoi, Ho Chi Minh City, Phnom Penh, Chiang Mai, Luang Prabang, Halong Bay

Duration18 days

From

USD 5,099

USD 4,946

Saving

USD 153

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55% OFF TODAY

Heritage Line of Vietnam and Cambodia I Top 2025/26 - 18 days

(9 reviews )

Trip customizable

Best price guaranteed

We have just come back from 2 incredible weeks in Vietnam and Cambodia, all arranged by the travel company. We had an incredibly memorable holiday and can’t thank Chloe enough for arranging such an interesting trip and also organising everything so perfectly. Our guides were all fantastic. We learnt so much more about how incredible Vietnam is thanks to all the information and personal experiences they shared. Our travel expert booked us into some lovely hotels and all of our transport arrangements worked perfectly. Highly recommended

Local cultureCruise

Tour Type

Small Group Tour

Accommodation

Hotel

Age Range

1-90 yrs

Operated in

chinese, english, french, german, italian, spanish

Destinations

Hanoi, Ho Chi Minh City, Sapa, H

Hanoi, Ho Chi Minh City, Sapa, Halong Bay, Mekong Delta, Hoi An, My Son Sanctuary, Cu Chi Tunnels, Phnom Penh, Siem Reap, Angkor Thom, Ha Long Bay, Lao Chai, Fansipan, Da Nang

55% OFF TODAY

Duration18 days

From

USD 3,655

USD 1,645

Saving

USD 2,010

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All South East Asia 18-Day Tours and Trips

The Best 18-day Trips in South East Asia with 21 Reviews

The Best 18-day Trips in South East Asia with 21 Reviews

Journeys: Discover Southeast Asia - 18 days

Heritage Line of Vietnam and Cambodia I Top 2025/26 - 18 days

Europe

Asia

South America

Africa

North America

Oceania

Polar

Food, wine, events and nightlife

Adventure and sport

Wildlife, landscapes and nature

Boat tours, water sports and marine wildlife

Sightseeing, attractions, culture and history

Air tours, road trips and transfers

Beach, romance, getaways and relaxation

Special interests and hobbies

All South East Asia 18-Day Tours and Trips

The Best 18-day Trips in South East Asia with 21 Reviews

The Best 18-day Trips in South East Asia with 21 Reviews

Journeys: Discover Southeast Asia - 18 days

Heritage Line of Vietnam and Cambodia I Top 2025/26 - 18 days