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    4. Southeast Asia Grand Loop — 4 Weeks
    Last verified: March 2026by Itinerary Planning Team · Cambodia Travel Planners
    Southeast Asia Grand Loop 4-Week Itinerary — 4 Countries (2026)
    4-week Southeast Asia itinerary covering Thailand, Cambodia, Vietnam, and Laos. Complete route with daily plans, budgets, and border crossings.
    🌏

    Southeast Asia Grand Loop — 4 Weeks

    28 days
    Thailand
    Cambodia
    Vietnam
    Laos

    The ultimate Southeast Asia loop covering four countries in four weeks. From Bangkok's chaos to Angkor's grandeur, Hanoi's street food to Luang Prabang's serenity — this is the trip of a lifetime.

    What's the best 28 days route?

    Bangkok (3) → Siem Reap (4) → Phnom Penh (2) → HCMC (2) → Hoi An (3) → Hanoi/Ha Long (3) → Luang Prabang (3) → Vang Vieng (2) → Chiang Mai (3) → Bangkok (1). Budget $30–$80/day.

    📅 Day-by-Day Itinerary

    1

    Arrive Bangkok

    Thailand

    Bangkok

    International arrival. Settle in.

    Khao San Road
    Street food
    2

    Bangkok Temples

    Thailand

    Bangkok

    Grand Palace, Wat Arun, Wat Pho.

    Grand Palace
    Wat Arun
    3

    Bangkok Markets

    Thailand

    Bangkok

    Chatuchak, floating markets.

    Chatuchak
    Floating market
    4

    Fly to Siem Reap

    Cambodia

    Siem Reap

    Morning flight. Afternoon explore.

    Night market
    Pub Street
    5

    Angkor Main Circuit

    Cambodia

    Angkor

    Angkor Wat, Bayon, Ta Prohm.

    Angkor Wat sunrise
    Bayon
    Ta Prohm
    6

    Angkor Outer Temples

    Cambodia

    Angkor

    Banteay Srei, Beng Mealea.

    Banteay Srei
    Beng Mealea
    7

    Tonle Sap & Culture

    Cambodia

    Siem Reap

    Floating village, Phare Circus.

    Kampong Khleang
    Phare Circus
    8

    Phnom Penh Day 1

    Cambodia

    Phnom Penh

    Travel to PP. Royal Palace.

    Royal Palace
    Riverside
    9

    Phnom Penh Day 2

    Cambodia

    Phnom Penh

    S-21, Killing Fields.

    S-21
    Killing Fields
    10

    Cross to HCMC

    Vietnam

    Ho Chi Minh City

    Bus via Bavet border.

    Border crossing
    District 1
    11

    HCMC Exploration

    Vietnam

    Ho Chi Minh City

    Cu Chi Tunnels, street food.

    Cu Chi Tunnels
    Bui Vien
    12

    Fly to Hoi An

    Vietnam

    Hoi An

    Fly to Da Nang, transfer to Hoi An.

    Ancient town
    Lanterns
    13

    Hoi An Culture

    Vietnam

    Hoi An

    Tailoring, cooking class, beach.

    Custom tailor
    An Bang Beach
    14

    My Son / Free Day

    Vietnam

    Hoi An

    Day trip or relax.

    My Son ruins
    Beach day
    15

    Fly to Hanoi

    Vietnam

    Hanoi

    Explore Old Quarter.

    Old Quarter
    Egg coffee
    16

    Ha Long Bay Cruise

    Vietnam

    Ha Long Bay

    Overnight cruise.

    Junk boat cruise
    Kayaking
    17

    Ha Long & Return

    Vietnam

    Ha Long Bay / Hanoi

    Morning cruise, return to Hanoi.

    Bay sunrise
    Temple of Literature
    18

    Fly to Luang Prabang

    Laos

    Luang Prabang

    Connect through Hanoi.

    Old town walk
    Mekong sunset
    19

    Alms & Waterfalls

    Laos

    Luang Prabang

    Morning alms, Kuang Si Falls.

    Alms ceremony
    Kuang Si Falls
    20

    Temples & Night Market

    Laos

    Luang Prabang

    Wat Xieng Thong, crafts.

    Wat Xieng Thong
    Night market
    21

    Travel to Vang Vieng

    Laos

    Vang Vieng

    Scenic minivan ride.

    Mountain scenery
    Blue Lagoon
    22

    Vang Vieng Adventure

    Laos

    Vang Vieng

    Kayaking, tubing, caves.

    River tubing
    Tham Chang cave
    23

    Vientiane

    Laos

    Vientiane

    Travel to Vientiane. Explore.

    That Luang
    Patuxai
    24

    Fly to Chiang Mai

    Thailand

    Chiang Mai

    Cross to Thailand by air.

    Old City walk
    Night bazaar
    25

    Chiang Mai Temples

    Thailand

    Chiang Mai

    Doi Suthep, old city temples.

    Doi Suthep
    Monk chat
    26

    Chiang Mai Activities

    Thailand

    Chiang Mai

    Elephant sanctuary, cooking class.

    Elephant sanctuary
    Thai cooking class
    27

    Return to Bangkok

    Thailand

    Bangkok

    Fly or train to Bangkok.

    Last shopping
    Rooftop bar
    28

    Departure

    Thailand

    Bangkok

    International departure.

    Final temple visit
    Departure

    💰 Budget Estimate (28 days)

    🎒

    Budget

    $800–$1,400

    🏨

    Mid-Range

    $1,800–$2,800

    🌴

    Comfort

    $3,500–$7,000

    🛃 Border Crossings

    Bangkok–Siem Reap (air)

    AirAsia, 1 hour, $50–$120

    Phnom Penh–HCMC (bus via Bavet)

    Giant Ibis bus, 6 hours, $18

    Hanoi–Luang Prabang (air)

    Vietnam Airlines, 1 hour, $80–$150

    Vientiane–Chiang Mai (air)

    Lao Airlines via Bangkok, or bus to Nong Khai then train

    FAQ

    Frequently Asked Questions

    Potentially 3-4 depending on nationality. Most Western passports: Thailand (visa-free 60 days), Cambodia (e-visa $36), Vietnam (e-visa, free for many), Laos (visa on arrival $30–$42). Apply for Cambodia and Vietnam e-visas before departure.

    More Multi-Country Itineraries

    🇰🇭🇹🇭Cambodia + Thailand in 2 Weeks

    14 days • Cambodia, Thailand

    🇰🇭🇻🇳Cambodia + Vietnam in 2 Weeks

    14 days • Cambodia, Vietnam

    🇰🇭🇱🇦Cambodia + Laos in 10 Days

    10 days • Cambodia, Laos

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