21 Day Tours & Vacations in South-East Asia

Coming from:: United States
Languages:: English
Region:: South-East Asia
Duration:: 18 - 24 Days

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International Operators (30)
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All 21 tours by outbound tour operators

Cambodia to Vietnam: Lanterns, Nightlife & Local Living

Ready for a trip that flips between buzz and chill? This Vietnam and Cambodia adventure plugs you straight into Hanoi’s non-stop energy, then drops you onto the white sands of Koh Rong where life slows down to island time. Chase sunrise at Angkor Wat, dive into street food heaven, and dance your way...

From/To: Siem Reap ⇒ Hanoi
Countries: Cambodia, Vietnam
Age Group: 18 - 39 Years
Participants: Tours for Young Adults
Operator: G Adventures
Activities

Duration: 19 Days
Starting at: USD 1,599
Operator: G Adventures

Starting at

USD 1,599

19 Days

Next Departure

20-Feb-2026	4+
22-Feb-2026	4+

Details

Thailand & Vietnam: Mountains & Coastlines

Do it all, and then some, on this 21-day tour of Thailand and Vietnam. Kicking off in Bangkok, enjoy the big city before heading to Sukhothai for a temple bike, then Chiang Mai for street food crawls, night markets, and a whole lot more. In Vietnam, take in the highlights of Hanoi and Ho Chi Minh, t...

From/To: Bangkok ⇒ Ho Chi Minh City
Countries: Thailand, Vietnam
Age Group: 18 - 39 Years
Participants: Tours for Young Adults
Operator: G Adventures
Activities

Duration: 21 Days
Starting at: USD 1,899
Operator: G Adventures

Starting at

USD 1,899

21 Days

Next Departure

08-Mar-2026
02-May-2026

Details

Cambodia to Vietnam: Night Markets & Noodle-Making

Now's the time to explore Cambodia and Vietnam on your terms with this tour that's affordable for young travellers. Plug into the electricity of Bangkok and Cambodia's bustling streets, get a living history lesson as you look upon Angkor Wat's ancient stone faces, and bliss out on white-sand beaches...

From/To: Bangkok ⇒ Hanoi
Countries (3): Cambodia, Thailand, Vietnam
Age Group: 18 - 39 Years
Participants: Tours for Young Adults
Operator: G Adventures
Activities

Duration: 20 Days
Starting at: USD 1,949
Operator: G Adventures

Starting at

USD 1,949

20 Days

Next Departure

19-Feb-2026	4+
21-Feb-2026	4+

Details

Sumatra to Nusa Lembongan: Wild Islands & Zen Beaches

This isn’t your average island getaway. Start deep in Sumatra’s jungle where you’ll trek in search of wild orangutans, tube down jungle rivers, and sleep under the stars. Then swap boots for boards in Bali, with surf lessons in Canggu, sunrise hikes up Mount Batur, and homestay vibes in a traditiona...

From/To: Medan ⇒ Nusa Lembongan
Countries: Indonesia
Age Group: 18 - 39 Years
Participants: Tours for Young Adults
Operator: G Adventures
Activities

Duration: 18 Days
Starting at: USD 1,999
Operator: G Adventures

Starting at

USD 1,999

18 Days

Next Departure

24-Apr-2026	1
03-May-2026

Details

Southeast Asia: Hilltribes & Street Food

Now's the time to explore Thailand, Malaysia, and Singapore on your terms with this tour that's affordable for young travellers. Feast on mouth-watering laksa at the night market in Kuala Lumpur, explore the hilltribes of northern Thailand by foot, and mellow out on the white-sand beaches of the sun...

From/To: Bangkok ⇒ Singapore
Countries (3): Malaysia, Singapore, Thailand
Age Group: 18 - 39 Years
Participants: Tours for Young Adults
Operator: G Adventures
Activities

Duration: 21 Days
Starting at: USD 2,099
Operator: G Adventures

Starting at

USD 2,099

21 Days

Next Departure

19-Feb-2026
21-Feb-2026

Details

Vietnam, Laos & Thailand: Riversides & Railways

Now's the time to explore Vietnam, Laos, and Thailand on your terms with this tour that's affordable for young travellers. Party along the beautiful bay of Vietnam's Nha Trang with new friends, channel the French vibe sipping coffee riverside in Laos, and hunt down treasures in local markets. When i...

From/To: Ho Chi Minh City ⇒ Bangkok
Countries (3): Laos, Thailand, Vietnam
Age Group: 18 - 39 Years
Participants: Tours for Young Adults
Operator: G Adventures
Activities

Duration: 22 Days
Starting at: USD 2,099
Operator: G Adventures

Starting at

USD 2,099

22 Days

Next Departure

20-Feb-2026
21-Feb-2026

Details

Indonesia Adventure: Java & Bali

Now's the time to explore Java and Bali on your terms with this tour that's affordable for young travellers. Pick up the pace in energetic Jakarta, chase some waterfalls in Ubud, and sit back and breathe it all in in Gili Trawangan. With plenty of free time between various must-sees, you’ll get to s...

From/To: Jakarta ⇒ Gili Trawangan
Countries: Indonesia
Age Group: 18 - 39 Years
Participants: Tours for Young Adults
Operator: G Adventures
Activities

Duration: 21 Days
Starting at: USD 2,419
Operator: G Adventures

Starting at

USD 2,419

21 Days

Next Departure

25-Feb-2026	4+
04-Mar-2026	4+

Details

Wild Sumatra to Gili Bliss: The Ultimate Adventure

Ready to island-hop your way through Indonesia’s wild side? Kick things off in Sumatra with jungle treks and orangutan encounters, then jet to Bali for a taste of beach life and volcanic peaks. On Lombok, trade tourist crowds for village vibes — think rice terrace walks, weaving workshops, and local...

From/To: Medan ⇒ Gili Trawangan
Countries: Indonesia
Age Group: 18 - 39 Years
Participants: Tours for Young Adults
Operator: G Adventures
Activities

Duration: 22 Days
Starting at: USD 2,479
Operator: G Adventures

Starting at

USD 2,479

22 Days

Next Departure

24-Apr-2026	1
03-May-2026

Details

Bangkok to Bali: Southeast Asia Unfiltered

From Bangkok’s buzzing street markets to Bali’s golden beaches, this 24-day adventure is Southeast Asia at its best. Dive into flavour-packed night markets, cruise misty highlands, and explore islands straight out of a postcard. Chase waterfalls in Ang Thong Marine Park, hike a volcano at sunrise, a...

From/To: Bangkok ⇒ Nusa Lembongan
Countries: Indonesia, Thailand
Age Group: 18 - 39 Years
Participants: Tours for Young Adults
Operator: G Adventures
Activities

Duration: 24 Days
Starting at: USD 2,699
Operator: G Adventures

Starting at

USD 2,699

24 Days

Next Departure

22-Jun-2026
10-Aug-2026

Details

Solo-ish Vietnam & Cambodia

The perfect adventure doesn’t exi—oh wait, actually… it does! Picture this: spending a night on a boat in stunning Ha Long Bay, wandering the charming streets of Hoi An, diving into authentic local life in Chi Phat, and kicking back on the white sands of Koh Rong. Now add a crew of solo travellers a...

From/To: Hanoi ⇒ Phnom Penh
Countries: Cambodia, Vietnam
Participants: Singles Tours
Operator: G Adventures
Activities

Duration: 21 Days
Starting at: USD 2,849
Operator: G Adventures

Starting at

USD 2,849

21 Days

Next Departure

20-Feb-2026
27-Feb-2026	4+

Details

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21 Day Tours & Trips in South-East Asia.

Visit countries like Vietnam, Thailand, Indonesia, Cambodia, Malaysia, Laos.