18-Day Asia Tours - Unique 18-Day tours to 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.

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

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Best of China & Tibet - 18 days

(4 reviews )

No booking fees

Best price guaranteed

Awesome trip and experience! From Great Wall, Forbidden City, Terracotta Warriors, PANDAS!!!, Everest in all its glory & amazing Tibet, crossing Himalayas & finishing in Kathmandu! What more could you ask for!!

Explorer

Tour Type

Small Group Tour

Accommodation

Tent, Hotel, Guest House

Age Range

12-100 yrs

Operated in

english

Destinations

Kathmandu, Beijing, Lhasa, Gyant

Kathmandu, Beijing, Lhasa, Gyantse, Shigatse, Sakya, Everest Base Camp Tibet, Kyirong Border, Xian, Chengdu

Duration18 days

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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

Duration18 days

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Bali & Beyond - 18 days

(64 reviews )

No booking fees

Best price guaranteed

Even though my English isn't the best, the tour was a great experience thanks to Song, and hopefully he stays the way he is. Song, have fun in Thailand.

Beach

Tour Type

Group Tour

Accommodation

Hotel, Bungalow, Resort

Age Range

18-40 yrs

Operated in

english

Destinations

Canggu, Labuan Bajo, Lombok, Sum

Canggu, Labuan Bajo, Lombok, Sumbawa, Moyo Island, Satonda Island, Komodo Islands, Ubud, Tegalalang, Gili Islands

Duration18 days

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Manaslu Circuit Trek - 18 days

4.9

(34 reviews )

No booking fees

Best price guaranteed

This was to be my third trip to the Himalayas, the last being the Annapurna Circuit in 2006 (before road building started on the circuit). I was looking for something different this time, a remote camping based trek off the beaten track and away from the relatively crowded paths and overstretched teahouses of Annapurna and Everest Base Camp. Manalsu more than met my expectations.

Walking tours

Tour Type

Small Group Tour

Accommodation

Hotel, Lodge, Hut, Tent

Age Range

16-99 yrs

Operated in

english

Destinations

Kathmandu, Samdo, Bimthang, Tilj

Kathmandu, Samdo, Bimthang, Tilje, Syange, Jagat, Soti Khola, Machha Khola, Khorlabesi, Philim, Deng, Ghap, Lho, Samagaun

Duration18 days

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Everest Base Camp Trek - Expedition Departures - 18 days

4.9

(33 reviews )

No booking fees

Best price guaranteed

I'd dreamed of seeing Everest for as long as I can remember, but somehow managed to arrive in my 40's having never quite got there. As soon as I saw this Exodus trip which encompassed two nights camping AT ACTUAL BASE CAMP I knew this was the trip for me and pressed 'book now' there and then! I wasn't disappointed and the whole trip was organised faultlessly from the moment I pressed the enter key on the laptop, to the moment I landed back in the UK. If you've read the books and watched the films and dreamed of walking in the footsteps of legends this is the trip for you. It hasn't only achieved a dream for me - it's inspired me to do more!

Trekking and HikingAdventure

Tour Type

Small Group Tour

Accommodation

Hotel, Camping, Tent, Lodge

Age Range

16-99 yrs

Operated in

english

Destinations

Everest Base Camp trek, Kathmand

Everest Base Camp trek, Kathmandu, Everest Base Camp, Pheriche, Kyangjuma, Monjo, Lukla, Phakding, Namche Bazar, Tengboche, Dingboche, Lobuche, Gorakshep

Duration18 days

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Sri Lanka with Maldives Cruise: Spice Gardens & Seasides - 18 days

(8 reviews )

No booking fees

Best price guaranteed

Sri Lanka and the Maldives exceeded my expectations. From mountains and tea plantations to reefs and local islands. There wasn’t a moment of boredom.

Sailing, yachting and motor boating

Tour Type

Small Group Tour

Accommodation

Guest House, Hotel, Ship Cabin, Resort

Age Range

18-39 yrs

Operated in

english

Destinations

Negombo, Male, Hikkaduwa, South

Negombo, Male, Hikkaduwa, South Male Atoll, Felidhu Atholhu, Sigiriya, Digana, Kandy, Nuwara Eliya, Ella

Duration18 days

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Discover Kerala & Sri Lanka: Islands & Ruins - 18 days

(7 reviews )

No booking fees

Best price guaranteed

It was absolutely beautiful and the experience specifically in Sri Lanka was amazing. There was a ton of adaptability that allowed everyone's voice to feel heard while still staying to the roots of the country's significance.

Natural landmarks sightseeing

Tour Type

Small Group Tour

Accommodation

Hotel, Home-stay, Resort, Guest House

Age Range

18-39 yrs

Operated in

english

Destinations

Kochi, Hikkaduwa, Digana, Kandy

Kochi, Hikkaduwa, Digana, Kandy, Nuwara Eliya, Ella, Alleppey, Kollam, Varkala, Negombo, Sigiriya, Chennai

Duration18 days

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Annapurna Circuit Trek - 18 days

4.8

(9 reviews )

No booking fees

Best price guaranteed

The whole team, from CEO to assistant guide to the porters, everyone went above and beyond for us to have the best time! I can only recommend the team and I happily travel with G Adventures again.

Trekking and Hiking

Tour Type

Small Group Tour

Accommodation

Hotel, Guest House, Resort, Home-stay, Eco Lodge

Age Range

12-100 yrs

Operated in

english

Destinations

Annapurna Circuit trek, Kathmand

Annapurna Circuit trek, Kathmandu, Muktinath, Ghasa, Sikha, Ghorepani, Birethanti, Pokhara, Jagat, Bagarchhap, Chame, Pisang, Manang, Yak Kharka, Phedi

Duration18 days

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Thai Intro - 18 days

(273 reviews )

No booking fees

Best price guaranteed

I went on the 18 day Thailand intro and had the trip of a lifetime! Everything from even before we arrived was very organised which led to a completely stress free trip. Our group leader Zoe was amazing, bringing such positive vibes from day 1, and provided complete support throughout the trip and for onward travel. Our local guide Aei-ki was fantastic and provided cultural knowledge as we went round. Would highly recommend Intro travel and this amazing country!

AdventureSnorkeling

Tour Type

Group Tour

Accommodation

Bungalow, Guest House

Age Range

18-55 yrs

Operated in

english

Destinations

Chiang Mai, Bangkok, Koh Phangan

Chiang Mai, Bangkok, Koh Phangan, Koh Phi Phi, Phi Phi Islands, Khao Sok National Park

Duration18 days

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Asia 18-Day Tours and Trips

The Best 18-day Trips in Asia with 558 Reviews

The Best 18-day Trips in Asia with 558 Reviews

Journeys: Discover Southeast Asia - 18 days

Best of China & Tibet - 18 days

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

Bali & Beyond - 18 days

Manaslu Circuit Trek - 18 days

Everest Base Camp Trek - Expedition Departures - 18 days

Sri Lanka with Maldives Cruise: Spice Gardens & Seasides - 18 days

Discover Kerala & Sri Lanka: Islands & Ruins - 18 days

Annapurna Circuit Trek - 18 days

Thai Intro - 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

Hi there

Asia 18-Day Tours and Trips

The Best 18-day Trips in Asia with 558 Reviews

The Best 18-day Trips in Asia with 558 Reviews