Thailand, Cambodia and Vietnam Tours for Young Adults
Imagine eating noodles from a street stall in Bangkok while scooters pass by, then a few days later cycling between the stone towers of Angkor Wat near Siem Reap. In Phnom Penh, afternoons drift between markets and riverside cafés, and on Koh Rong the day might just mean a long swim and a cold drink. Chambok Village moves slower, with forest walks and homestays. The trip keeps changing, which is part of the appeal.
10 best trips for '18 to 30 Somethings' in Thailand, Cambodia and Vietnam
Compiled by

NinaThailand, Cambodia and Vietnam travel expert at TourRadar
- Southeast Asia Discovery: Seasides and Street Food
- Ultimate South East Asia
- Cambodia: Ancient Ruins & Boat Rides
- Epic South East Asia
- Real Cambodia
- Total Asia
- Discover Asia
- Amazing Vietnam & Cambodia & Thailand ends Bangkok (4 Star Hotels)
- Fantastic Cambodia & Thailand (4 Star Hotels)
- Cambodia to Vietnam: Night Markets & Noodle-Making
Southeast Asia Discovery: Seasides and Street Food
153 Reviews by TourRadar travelers“Willing to help no matter what, she made my trip incredible!”
JoGoldhawk, traveled in August
Young travelers aged 20-35 connect at Khao San Road, Pub Street, and Hanoi's Old Quarter. Swimming at Kuang Si Falls, cycling Hoi An, and kayaking Ha Long Bay round out the adventure.
Duration 30 days Destinations Thailand, Cambodia, Vietnam, Laos Age Range Ages 18-39 Physical Rating Easy Room Type Shared Operator G Adventures From $3,049
25% Off- US$2,287You save $762
Ultimate South East Asia
79 Reviews by TourRadar travelers“A remarkable trip made even better by his great guiding.”
DC, traveled in December
Culture meets nightlife for travelers aged 18-35. Khao San Road's buzz, Siem Reap's Pub Street, and Hanoi's Old Quarter bars create perfect social scenes. Nouvo City Bangkok and Hong Ngoc Dynastie Hanoi serve as social hubs.
Duration 27 days Destinations Thailand, Laos, Cambodia, Vietnam Age Range Ages 18-35 Physical Rating Moderate Room Type Singles, Shared Operator Contiki From $3,850
10% Off- US$3,465+$1,328 upfront costsYou save $385
Cambodia: Ancient Ruins & Boat Rides
170 Reviews by TourRadar travelers“Amazing destinations with very enthusiastic and friendly guide. Accommodations in the latter half were not the most luxurious, but that didn't really detract from an amazing experience overall.”
James, traveled in December
The streets of Bangkok, Siem Reap's Pub Street, and Koh Rong's beaches welcome young adventurers. Rooftop bars in Ho Chi Minh City complement cultural highlights at Angkor Wat and Chambok Village homestay.
Duration 10 days Destinations Thailand, Cambodia, Vietnam Age Range Ages 18-39 Physical Rating Moderate Room Type Shared Operator G Adventures From $1,099
35% Off- US$714You save $385
Epic South East Asia
1 Review by TourRadar travelers“The groups were quite small and the accommodation was better than I was expecting. Had a blast feeding elephants, visiting the white temple, eating as many Bahn Mi's as possible.”
Aileen, traveled in November
Duration 33 days Destinations Thailand, Laos, Vietnam, Cambodia Age Range Ages 18-35 Physical Rating Easy Room Type Singles, Shared Operator Intrepid Travel From $3,360
15% Off- US$2,856You save $504
Real Cambodia
14 Reviews by TourRadar travelers“So many wonderful experiences during the trip.”
Chelsea, traveled in December
Ten days of adventure await 18-29s across three countries. Bangkok's rooftop bars, Koh Rong's Nest Beach Club parties, and Ho Chi Minh's Ben Thanh Market create lasting memories, alongside Angkor Wat sunrise and Isanborei village homestay.
Duration 10 days Destinations Vietnam, Cambodia, Thailand Age Range Ages 18-35 Physical Rating Easy Room Type Singles, Shared Operator Intrepid Travel From $935
20% Off- US$748You save $187
Duration 50 days Destinations Thailand, Cambodia, Vietnam Age Range Ages 18-39 Physical Rating Moderate Room Type Shared Operator TruTravels From $5,995
30% Off- US$4,197You save $1,799
Duration 37 days Destinations Thailand, Cambodia, Vietnam Age Range Ages 18-39 Physical Rating Moderate Room Type Shared Operator TruTravels From $4,625
30% Off- US$3,238You save $1,388
Amazing Vietnam & Cambodia & Thailand ends Bangkok (4 Star Hotels)
7 Reviews by TourRadar travelers“The best tour of my life! everything was so fantastic😍”
Masud, traveled in April
Young travelers will find their groove in Vietnam, Cambodia, and Thailand's vibrant scenes. From Phnom Penh's nightlife to Siem Reap's Phare Circus and Bangkok's bustling markets. Four-star hotels, domestic flights, and expert guides await travelers aged 18+.
Duration 16 days Destinations Vietnam, Cambodia, Thailand Age Range Ages 18+ Physical Rating Easy Room Type Shared Operator Travel Talk From $3,463
40% Off- US$2,078You save $1,385
Fantastic Cambodia & Thailand (4 Star Hotels)
6 Reviews by TourRadar travelers“The itinerary was packed full of awesome sites to see and things to do, and each country's tour guide really took care of the whole group.”
SK, traveled in November
Three countries unfold for travelers aged 18-35. The Mekong Delta cruise, sunset at Phnom Sampeau caves, and Bangkok's vibrant nightlife create unforgettable moments. UNESCO-listed Angkor Wat and Phare Circus provide cultural highlights.
Duration 9 days Destinations Vietnam, Cambodia, Thailand Age Range Ages 18+ Physical Rating Easy Room Type Shared Operator Travel Talk From $1,954
40% Off- US$1,172You save $782
Cambodia to Vietnam: Night Markets & Noodle-Making
173 Reviews by TourRadar travelers“I've had an amazing trip with G-Adventures! He's simply the best guide I've ever had.”
Siebe, traveled in June
Vibrant nights at Pub Street Siem Reap and Old Quarter Hanoi blend with rich cultural experiences for ages 20-35. Sunrise at Angkor Wat, Koh Rong's beaches, street food tours, and Halong Bay cruise offer perfect adventure-party balance.
Duration 20 days Destinations Thailand, Cambodia, Vietnam Age Range Ages 18-39 Physical Rating Easy Room Type Shared Operator G Adventures From $1,949
25% Off- US$1,462You save $487
What our customers ask about Thailand, Cambodia and Vietnam Tours for Young Adults
What are the most popular activities for young travelers in these countries?
Young travelers flock to the energetic night markets of Bangkok and Hanoi where local food culture comes alive. Many join hands-on cooking classes to learn regional dishes or spend days exploring Thailand's islands. Siem Reap's Pub Street draws crowds after dark while Halong Bay cruises offer a change of pace. The Mekong Delta's floating markets provide glimpses into daily river life. A TourRadar traveler notes: "Some highlights were the street food tours beach time in Koh Rong temple exploring at Angkor Wat and bar hopping with new friends in Hanoi's Old Quarter."
Which areas are most popular with young travelers in each country?
Thailand's social scene centers around Bangkok's Khao San Road Chiang Mai's historic core and the beach life of Koh Phangan. Vietnam's appeal lies in the narrow lanes of Hanoi and Hoi An's Old Quarters plus Ho Chi Minh City's backpacker districts. Cambodia draws visitors to Siem Reap's lively Pub Street and Koh Rong's shoreline. A TourRadar reviewer shared: "Each city had its own unique vibe but all had great areas where young travelers naturally gathered."
What kind of accommodations can young travelers expect on these tours?
Lodging ranges from standard 3-star hotels to social hostels with options including overnight train journeys local homestays and boat stays. Properties like Toppdeck Resort in Koh Phangan and Barcino Boutique Hotel in Hanoi provide comfortable rooms with common spaces for meeting fellow travelers. As one TourRadar traveler mentioned: "The accommodations struck a good balance between comfort and social atmosphere - perfect for meeting other travelers while still getting a good night's sleep."
What's the average cost per day for young adult tours in Thailand, Cambodia and Vietnam?
Daily tour costs typically fall between USD 90-128 covering rooms select meals and activities. G Adventures Cambodia tours average USD 90 per day while fuller packages like TruTravels Total Asia run about USD 122. Plan for USD 20-30 extra daily for additional food and beverages. As one TourRadar traveler mentioned: "For what was included we got a good deal hostels were much better than expected particularly in Siem Reap and Phnom Penh. The accommodation at Shiralea Backpackers Resort exceeded expectations."
What unique experiences do these tours offer specifically for young travelers?
The itineraries mix adventure and culture with Halong Bay overnight boats Northern Thailand treks and traditional basket boat rides in Hoi An's Coconut Woods. Activities span from Muay Thai training sessions to Vietnamese lantern crafting and beach parties on Koh Phangan. A TourRadar traveler mentioned: "From zip-lining through jungles to partying on Koh Phangan's beaches and learning to cook traditional dishes every day brought new adventures perfect for our age group. Staying at places like Shiralea Backpackers Resort made everything even more fun."
What's the best time of year for young travelers to visit these countries?
The prime travel window spans November through March when temperatures stay moderate and rain is minimal across the region. Late November to early February offers ideal conditions for exploring Angkor Wat and Ha Long Bay. Beach activities on islands like Koh Tao and Koh Phangan are best from March to September. A TourRadar traveler advised: "We visited in December and had perfect weather for both temple exploring in Siem Reap and beach time at Lub d Phuket Patong Hotel."





















