4 Week Thailand, Cambodia and Vietnam Tours & Trips

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Choose from 26 Thailand, Cambodia and Vietnam tours
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10 best Thailand, Cambodia And Vietnam 4 week tour packages

Compiled by

NinaThailand, Cambodia and Vietnam travel expert at TourRadar

27 Days in Southeast Asia: Cambodia, Vietnam & Big Nights in Bangkok
Get Social: Big Southeast Asia
Grand Indochina & Luxury Mekong 2025-2026|2026-2027 - 27 Days
Grand Indochina and Thailand Adventure 25-Day
Cambodia & Vietnam Experience (13 destinations)
25-Day Grand Indochina and Thailand Adventure
Essential Southeast Asia: Hanoi, Phnom Penh & Thailand Good Times
Grand Indochina & Luxury Mekong 2025-2026|2026-2027 - 25 Days
Premium South East Asia in Depth
Indochina Discovery - 23 days

27 Days in Southeast Asia: Cambodia, Vietnam & Big Nights in Bangkok
5.0 27 people love this itinerary
“Beautiful sites, lots of great activities. I would love to go on anouther tour with her.”
Fionn, traveled in January
- Explorer
- Historical
A 27-day tour through Thailand, Cambodia, and Vietnam spans 15 cities. From Hanoi's Old Quarter to Angkor temples and Bangkok, this trip features UNESCO sites, three overnight trains, and local experiences like cooking classes at Oodles of Noodles and traditional Khmer dinners.
- Hanoi Vietnam
  53 mi
- Ninh Binh Vietnam
  197 mi
- Dong Hoi Vietnam
  20 mi
- Show 11 more
- Phong Nha Vietnam
  114 mi
- Hue Vietnam
  64 mi
- Hoi An Vietnam
  156 mi
- Quy Nhon Vietnam
  106 mi
- Nha Trang Vietnam
  200 mi
- Ho Chi Minh City Vietnam
  106 mi
- Chau Doc Vietnam
  61 mi
- Kampot Cambodia
  65 mi
- Koh Rong Cambodia
  127 mi
- Phnom Penh Cambodia
  143 mi
- Siem Reap Cambodia
  228 mi
- Bangkok Thailand
From
US$2,219
View tour
Get Social: Big Southeast Asia
- Explorer
- Beach
- Temples
- Walking Adventure
- Sightseeing
- Historical
Three countries unfold over 28 days from Hanoi through Angkor Wat temples to Phuket. Accommodations vary from Nexy Hostel to overnight trains. Optional activities include Phi Phi Islands speedboat tour (around $110) and cooking classes.
- Hanoi Vietnam
  78 mi
- Halong Bay Vietnam
  78 mi
- Hanoi Vietnam
  376 mi
- Show 13 more
- Da Nang Vietnam
  14 mi
- Hoi An Vietnam
  258 mi
- Nha Trang Vietnam
  271 mi
- Da Nang Vietnam
  380 mi
- Ho Chi Minh City Vietnam
  130 mi
- Phnom Penh Cambodia
  143 mi
- Siem Reap Cambodia
  228 mi
- Bangkok Thailand
  257 mi
- Koh Tao Thailand
  26 mi
- Koh Pha Ngan Thailand
  103 mi
- Khao Sok National Park Thailand
  72 mi
- Phuket Thailand
  29 mi
- Ko Phi Phi Thailand
  29 mi
- Phuket Thailand
From $3,229
10% Off
US$2,906
You save $322
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Grand Indochina & Luxury Mekong 2025-2026|2026-2027 - 27 Days
- In-depth Cultural
- Temples
- Historical
From Hanoi to Bangkok, this luxurious tour showcases three nations' treasures. Halong Bay cruising, Vietnam's imperial cities, Mekong sailing on Scenic Spirit, and Cambodia's temples create lasting memories. VIP touches include private temple dinners and traditional performances.
- Hanoi Vietnam
  78 mi
- Halong Bay Vietnam
  359 mi
- Hoi An Vietnam
  64 mi
- Show 14 more
- Hue Vietnam
  399 mi
- Ho Chi Minh City Vietnam
  34 mi
- Mekong Delta Vietnam
  22 mi
- Cai Be Vietnam
  18 mi
- Sa Dec Vietnam
  49 mi
- Tan Chau Vietnam
  57 mi
- Phnom Penh Cambodia
  21 mi
- Oudong Cambodia
  33 mi
- Angkor Ban Cambodia
  17 mi
- Kampong Cham Cambodia
  143 mi
- Siem Reap Cambodia
  464 mi
- Luang Prabang Laos
  69 mi
- Vang Vieng Laos
  66 mi
- Vientiane Laos
  323 mi
- Bangkok Thailand
From
10% Off
US$21,335
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Grand Indochina and Thailand Adventure 25-Day
5.0 4 people love this itinerary
“It was comprehensive and covered everything we would ever want to see; from historical sites to adventurous snorkeling, we did it all.”
Sarah, traveled in July
- In-depth Cultural
- Family
- Food & Culinary
- Explorer
- Christmas & New Year
This 25-day grand tour reveals Cu Chi Tunnels, Angkor temples, and Bangkok's Grand Palace. Premium accommodations at Majestic Saigon and Royal Angkor Resort complement expert local guides.
- Ho Chi Minh City Vietnam
  16 mi
- Cu Chi Vietnam
  16 mi
- Ho Chi Minh City Vietnam
  33 mi
- Show 33 more
- My Tho Vietnam
  9 mi
- Ben Tre Vietnam
  7 mi
- Mekong Delta Vietnam
  34 mi
- Ho Chi Minh City Vietnam
  380 mi
- Da Nang Vietnam
  14 mi
- Hoi An Vietnam
  16 mi
- My Son Sanctuary Vietnam
  16 mi
- Hoi An Vietnam
  14 mi
- Da Nang Vietnam
  376 mi
- Hanoi Vietnam
  78 mi
- Halong Bay Vietnam
  78 mi
- Hanoi Vietnam
  252 mi
- Luang Prabang Laos
  12 mi
- Pak Ou Laos
  12 mi
- Luang Prabang Laos
  464 mi
- Siem Reap Cambodia
  2 mi
- Angkor Wat Cambodia
  2 mi
- Siem Reap Cambodia
  36 mi
- Tonle Sap Lake Cambodia
  36 mi
- Siem Reap Cambodia
  228 mi
- Bangkok Thailand
  39 mi
- Damnoen Saduak Thailand
  39 mi
- Bangkok Thailand
  361 mi
- Chiang Mai Thailand
  6 mi
- Doi Suthep Pui National Park Thailand
  6 mi
- Chiang Mai Thailand
  22 mi
- Mae Taeng Thailand
  22 mi
- Chiang Mai Thailand
  97 mi
- Chiang Rai Thailand
  32 mi
- Golden Triangle Park Thailand
  129 mi
- Chiang Mai Thailand
  753 mi
- Phuket Thailand
  29 mi
- Ko Phi Phi Thailand
  29 mi
- Phuket Thailand
From $6,452
50% Off
US$3,226
+$999 local payments
You save $3,226
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Cambodia & Vietnam Experience (13 destinations)
4.3 13 people love this itinerary
- Explorer
- Beach
- Historical
A grand circuit of Thailand, Cambodia, and Vietnam unfolds over 26 days. Female guides lead Angkor Wat visits, while Hoi An's Ancient Town and Lan Ha Bay kayaking await. Local life comes alive through homestays in Chambok and Mekong Delta, plus traditional performances and cooking.
- Bangkok Thailand
  228 mi
- Siem Reap Cambodia
  63 mi
- Battambang Cambodia
  165 mi
- Show 9 more
- Phnom Penh Cambodia
  82 mi
- Kampot Cambodia
  82 mi
- Phnom Penh Cambodia
  130 mi
- Ho Chi Minh City Vietnam
  34 mi
- Mekong Delta Vietnam
  404 mi
- Hoi An Vietnam
  64 mi
- Hue Vietnam
  302 mi
- Cat Ba Island Vietnam
  107 mi
- Hoa Binh Vietnam
  35 mi
- Hanoi Vietnam
From $2,385
15% Off
US$2,027
You save $358
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25-Day Grand Indochina and Thailand Adventure
5.0 1 person loves this itinerary
“The small group tours selected were excellent. He also gave multiple suggestions of things to do and places to see.”
Diane, traveled in February
- In-depth Cultural
- Family
- Christmas & New Year
A comprehensive 25-day tour features 3 nights each in Bangkok, Siem Reap, and Phuket, plus 2-night Halong Bay cruise. Alagon Saigon Hotel and Novotel Phuket provide comfort, while expert guides speaking 6 languages lead the way through 7 internal flights.
- Ho Chi Minh City Vietnam
- Ho Chi Minh City Vietnam
  34 mi
- Mekong Delta Vietnam
  404 mi
- Show 10 more
- Hoi An Vietnam
  390 mi
- Hanoi Vietnam
  78 mi
- Halong Bay Vietnam
  78 mi
- Hanoi Vietnam
  252 mi
- Luang Prabang Laos
  464 mi
- Siem Reap Cambodia
  228 mi
- Bangkok Thailand
  361 mi
- Chiang Mai Thailand
  97 mi
- Chiang Rai Thailand
  97 mi
- Chiang Mai Thailand
  753 mi
- Phuket Thailand
From $7,230
55% Off
US$3,254
+$999 local payments
You save $3,976
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Essential Southeast Asia: Hanoi, Phnom Penh & Thailand Good Times
5.0 27 people love this itinerary
“The included and optional activities are very cool and we had a lot of fun.”
Laureen, traveled in November
- In-depth Cultural
- Historical
This 25-day adventure from Hanoi to Bangkok reveals Southeast Asia's finest. The Angkor Wat temples, Vinh Moc tunnels, and Koh Rong's beaches highlight the journey. Includes 24 breakfasts, cooking classes at Oodles of Noodles, and traditional meals at New Hope restaurant.
- Hanoi Vietnam
  53 mi
- Ninh Binh Vietnam
  185 mi
- Phong Nha Vietnam
  114 mi
- Show 11 more
- Hue Vietnam
  64 mi
- Hoi An Vietnam
  156 mi
- Quy Nhon Vietnam
  106 mi
- Nha Trang Vietnam
  200 mi
- Ho Chi Minh City Vietnam
  106 mi
- Chau Doc Vietnam
  61 mi
- Kampot Cambodia
  11 mi
- Krong Kaeb Cambodia
  75 mi
- Koh Rong Cambodia
  127 mi
- Phnom Penh Cambodia
  143 mi
- Siem Reap Cambodia
  228 mi
- Bangkok Thailand
From
55% Off
US$2,079
View tour
Grand Indochina & Luxury Mekong 2025-2026|2026-2027 - 25 Days
- In-depth Cultural
- Temples
- Historical
A 25-day luxury tour from Hanoi to Bangkok awaits. Cruise Ha Long Bay on Bhaya Soul, tour Vietnam's cultural capitals, sail the Mekong on Scenic Spirit, and marvel at Cambodia's Angkor Wat. Luxury accommodations and special experiences like the Phare Circus create lasting memories.
- Hanoi Vietnam
  78 mi
- Halong Bay Vietnam
  359 mi
- Hoi An Vietnam
  64 mi
- Show 12 more
- Hue Vietnam
  399 mi
- Ho Chi Minh City Vietnam
  34 mi
- Mekong Delta Vietnam
  22 mi
- Cai Be Vietnam
  18 mi
- Sa Dec Vietnam
  49 mi
- Tan Chau Vietnam
  57 mi
- Phnom Penh Cambodia
  21 mi
- Oudong Cambodia
  33 mi
- Angkor Ban Cambodia
  17 mi
- Kampong Cham Cambodia
  143 mi
- Siem Reap Cambodia
  464 mi
- Luang Prabang Laos
  437 mi
- Bangkok Thailand
From
55% Off
US$18,865
View tour
Premium South East Asia in Depth
- Explorer
- Temples
- Sightseeing
- Historical
- Christmas & New Year
In 24 days, you’ll travel approximately 2,196 mi!
- Bangkok Thailand
  65 mi
- Kanchanaburi Thailand
  73 mi
- Ayutthaya Thailand
  189 mi
- Show 11 more
- Sukhothai Thailand
  156 mi
- Mae Taeng Thailand
  22 mi
- Chiang Mai Thailand
  471 mi
- Hanoi Vietnam
  78 mi
- Halong Bay Vietnam
  78 mi
- Hanoi Vietnam
  376 mi
- Da Nang Vietnam
  14 mi
- Hoi An Vietnam
  14 mi
- Da Nang Vietnam
  380 mi
- Ho Chi Minh City Vietnam
  130 mi
- Phnom Penh Cambodia
  143 mi
- Siem Reap Cambodia
From $8,870
15% Off
US$7,540
You save $1,330
View tour
Indochina Discovery - 23 days
- In-depth Cultural
- Local Living
- Historical
This 23-day Southeast Asian odyssey encompasses Bangkok's Grand Palace, Angkor Wat complex, and Halong Bay cruising. Four-star hotels, domestic flights, and guided tours with cultural experiences create an enriching journey.
- Vientiane Laos
  66 mi
- Vang Vieng Laos
  69 mi
- Luang Prabang Laos
  252 mi
- Show 10 more
- Hanoi Vietnam
  78 mi
- Halong Bay Vietnam
  311 mi
- Hue Vietnam
  64 mi
- Hoi An Vietnam
  1 mi
- Tra Que Vietnam
  406 mi
- Mekong Delta Vietnam
  34 mi
- Ho Chi Minh City Vietnam
  130 mi
- Phnom Penh Cambodia
  146 mi
- Angkor Wat Cambodia
  38 mi
- Tonle Sap Lake Cambodia
  248 mi
- Bangkok Thailand
From $5,825
20% Off
US$4,660
You save $1,165
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