18-day Itinerary Vietnam – Cambodia -Thailand | Best 2026-27

The most striking thing about this 18-day journey is its reach. You move from Hanoi’s old streets to Ha Long Bay, Hoi An, Ho Chi Minh City, the Mekong Delta, Cambodia’s Angkor temples, and Phuket’s beaches without having to arrange each flight, driver, hotel, and guide yourself. Angkor Wat and Ha Long Bay give the trip its biggest visual moments.

I like the practical structure: major transfers are arranged, and the group is limited to a maximum of 10 people. I also like the mix of guided touring and free time, especially the slower days in Hoi An and Phuket. The main drawback is the pace. You change cities often, take several flights, and cover three countries in 18 days, so this suits an energetic schedule more than a restful holiday.

Key points at a glance

• Three countries in 18 days: Vietnam, Cambodia, and Thailand are combined in one organized route.
• Ha Long Bay cruise: You spend a night on the water, with sunrise Tai Chi and a full morning among the islands.
• Strong cultural stops: Hoi An, My Son Sanctuary, Angkor Wat, Ta Prohm, and Koh Ker provide the trip’s best historical depth.
• Mekong Delta contrast: Boat rides, coconut canals, local workshops, and Cai Rang floating market add a more rural side to Vietnam.
• Beach time is built in: Phuket includes two free days, plus a full Phi Phi Islands excursion.
• Most major costs are covered: Private-room accommodation, domestic flights, guides, transport, breakfast, 10 lunches, two dinners, and entrance fees are included.

How this three-country route works

This is a large trip in a compact package. The route begins in Hanoi and moves south through central and southern Vietnam before continuing to Siem Reap and Phuket. That ordering makes geographic sense, but you should expect frequent packing, airport transfers, and early starts.

The package includes private-room accommodation, air-conditioned vehicles, domestic flights, guides, entrance fees, breakfast each day, 10 lunches, and two dinners. Tips, alcoholic drinks, soft drinks, and personal purchases are extra. At $2,859 per person, the value depends on how much you value having the moving parts handled for you.

The biggest saving is not just the transport itself. It is the time you avoid spending comparing domestic flights, finding drivers, arranging hotel transfers, and hiring local guides in several cities. You still need to accept that organized travel gives you less control than an independent trip.

The maximum group size is 10. That is small enough to make vehicle transfers and guided sightseeing more manageable than a large coach tour. The material also indicates that hotel pickup and drop-off are offered, an important comfort when you have luggage and an early flight.

Hanoi and Ha Long Bay: a quick start with a memorable cruise

Day 1 is deliberately light. You arrive in Hanoi, transfer to your hotel, and have the rest of the day free. That is useful after an international flight, since you can walk around the city at your own speed instead of being pushed straight into formal sightseeing.

The next morning begins around 8:00 to 8:30 with pickup from Hanoi’s Old Quarter. You head to Tuan Chau port, board a transfer boat, and then check into the cruise. Lunch and a welcome drink start the bay portion of the journey.

The afternoon cruise passes areas named Gia Luan, Thoi Quyt Island, Ke Ga, and Finger Island, with views of the limestone formations associated with Ha Long Bay and Lan Ha Bay. This is the kind of setting where the boat itself becomes part of the experience. You are not simply checking off a viewpoint. You have time to watch the scenery change from the water.

Day 3 starts early, at 6:15, with Tai Chi on the sundeck. At 7:00, breakfast follows, along with morning views of the bay. The early schedule may feel demanding, but sunrise is the right time to see the water before the day becomes busy.

You return to Hanoi around 17:00 and have the evening free. The weakness here is the amount of road time around the cruise. You leave Hanoi in the morning and return the next afternoon, so the bay visit takes a substantial part of the schedule. Still, an overnight cruise gives you more than a rushed day trip.

Hanoi to Hoi An: temples, flight connections, and old-town time

Day 4 gives you free time in Hanoi before a cultural visit that includes the Temple of Literature. This is a useful stop for understanding Vietnam’s scholarly and cultural traditions, and it keeps the morning from being only a transfer day.

You then fly to Da Nang and continue by vehicle to your hotel in Hoi An. The itinerary does not give a flight duration, so allow for the usual airport process and a change of setting from northern Vietnam to the central coast.

Day 5 combines My Son Sanctuary with Hoi An. My Son is a UNESCO World Heritage site and brings a different kind of historical setting, with temple remains connected to the Champa civilization. It is a worthwhile counterpoint to Hanoi’s urban monuments and Angkor’s grand scale.

The afternoon walking tour takes you through Hoi An Market and toward the Japanese Covered Bridge, described as about 400 years old. Hoi An is one of the best places on this route for simply walking, noticing old buildings, and letting the day unfold at street level.

Day 6 is free in Hoi An after breakfast. I like this pause. The previous day has a formal schedule, while this one gives you room to revisit the old town, browse the market, or sit with a drink and watch the town work around you.

Ho Chi Minh City and the Cu Chi Tunnels

On Day 7, a driver takes you to the airport for your flight to Ho Chi Minh City. After arriving at Tan Son Nhat Airport, you are transferred to your hotel and have several hours to explore independently.

The following day is one of the trip’s fullest. The morning includes the Saigon Notre Dame Cathedral, the Central Post Office, and the War Remnants Museum. The cathedral and post office show the city’s European-influenced architecture, while the museum offers a difficult and important account of the Vietnam War.

The museum deserves time and attention. This is not a light sightseeing stop, and the material can be emotionally challenging. I would treat it as a serious history visit rather than a quick photo stop.

After lunch, you leave around 13:30 for the Cu Chi Tunnels. The underground network shows how people lived, moved, and fought during the war. The visit adds physical scale to the history introduced at the museum, though the afternoon drive means Day 8 is a long one.

The route works well here because the city monuments come first and the countryside site comes later. You get both the public face of Ho Chi Minh City and a look at the rural setting tied to the conflict.

My Tho, Ben Tre, and the early Cai Rang market

Day 9 heads into the Mekong Delta, beginning around 8:00. In My Tho, you take a boat along the Mekong River before continuing to Ben Tre, an area known for coconut groves and narrow canals.

The day includes boat travel through the canals and visits to local workshops. These stops give you a more grounded view of southern Vietnam than city sightseeing alone. You see waterways, agricultural activity, and small-scale production rather than only major monuments.

After lunch, you continue to Can Tho and check into your accommodation. This overnight stop matters because it makes the next morning’s Cai Rang floating market visit possible without an absurdly early drive from Ho Chi Minh City.

Pickup for Cai Rang is around 6:30. The market is at its busiest then, with fruit and vegetables traded from boats. You also continue through smaller canals before having lunch and returning to Ho Chi Minh City.

The trade-off is clear. The Mekong section adds a memorable rural contrast, but Day 10 includes an early start and a return drive. If you prefer quiet mornings and slow travel, this portion may feel rushed. If you want to see more than Vietnam’s main cities, it earns its place.

Siem Reap and the major Angkor temples

Day 11 includes free time in Ho Chi Minh City before your flight to Siem Reap. After arrival, the rest of the day is open. That breathing room is useful because the following two days are heavily focused on temple sites.

Day 12 covers Angkor Thom, Ta Prohm, and Angkor Wat. Angkor Thom was an ancient Khmer capital, while Ta Prohm is known for trees and vegetation growing around the temple ruins. Angkor Wat then provides the grandest finish, with its vast scale and religious importance.

The order gives you a strong progression. You begin with the former capital, move to the atmospheric ruins of Ta Prohm, and finish with Angkor Wat. You should expect heat, walking, and uneven surfaces at temple sites, although the supplied details do not specify accessibility arrangements.

Day 13 reaches farther from Siem Reap. You leave around 8:00 for Koh Ker, about a 1.5-hour drive away. The former Khmer capital is remote and forested, with a stepped, seven-tier main structure.

The return route includes Prasat Neang Khmau and Prasat Pram, followed by lunch near Beng Mealea. Beng Mealea is another overgrown temple site, reached by a short walk through the forest. This day is valuable for showing that Cambodia’s temple culture is not limited to Angkor Wat.

It is also one of the longest touring days. Koh Ker and Beng Mealea require substantial road travel, so this is best for you if lesser-visited ruins matter more than a relaxed schedule. The inclusion of both major and remote sites is one of the strongest features of the Cambodia portion.

Phuket and the Phi Phi Islands

Day 14 gives you free time in Siem Reap before your flight to Phuket. After arrival, the evening is open. Days 15 and 17 are also set aside for beach time, and Day 18 remains free until your airport transfer.

That is a useful change after the dense cultural touring in Vietnam and Cambodia. You can rest, eat Thai food, swim, or simply use the hotel and beach time at your own pace. The package does not specify a particular beach or hotel, so you should confirm those details before booking if location matters to you.

Day 16 is the active Phuket excursion. You transfer to Royal Phuket Marina and travel by boat toward Phi Phi. At about 10:30, you reach Bamboo Island for white sand, swimming, and snorkeling.

Lunch is a buffet at Phi Phi Don. The afternoon continues to Phi Phi Le, Viking Cave, Monkey Beach, and Pileh Lagoon before the boat returns to the marina around 14:30. Hotel drop-off follows.

This day gives you the classic Andaman Sea combination of small islands, clear water, beaches, and boat sightseeing. It is also a full outing, not a quiet beach day. If you want to spend most of your Phuket stay resting, keep Day 16 as your excursion day and protect the free days for downtime.

What the price covers, and what it does not

At $2,859 per person, the package is not a bare sightseeing pass. It covers 18 days of private-room accommodation, domestic flights, air-conditioned transport, guides, listed admission fees, 18 breakfasts, 10 lunches, and two dinners.

That can represent solid value for you if you would otherwise need to coordinate three countries, several internal flights, airport transfers, hotels, and local sightseeing. The included guides and vehicles also reduce the risk of losing time to last-minute arrangements.

The package does not cover tips, alcohol, soft drinks, or personal expenses. You should budget for those separately. The number of included dinners is also limited, so plan to buy many evening meals yourself.

The biggest question is not simply price. It is independence. You pay for convenience and a fixed route. You give up some freedom to change cities, stay longer, or skip a site once the schedule is set.

Who should book this trip

I would recommend this tour to you if you want a first overview of mainland Southeast Asia and Thailand, especially if you prefer one point of contact for the complicated parts. It is also a good fit for families or small groups who want private rooms and organized transfers.

The experience appears particularly suited to people who value dependable coordination. Tran is identified as the main contact, and the arrangements include support across flights, hotels, drivers, and guides. That matters when a trip crosses borders and includes several separate touring teams.

You should think twice if you want long stays in each city, independent rail travel, or a flexible daily plan. Hanoi, Hoi An, Ho Chi Minh City, Siem Reap, and Phuket each deserve more time than this route can provide. You get a strong sampler, not a slow study of each destination.

The tour requires a minimum number of participants, and confirmation is subject to availability within 48 hours of booking. Most people can participate, and free cancellation is available up to 24 hours before the start time. Weather can affect the boat portions, with another date or a full refund offered if poor weather cancels the experience.

Should you book the Vietnam, Cambodia, and Thailand itinerary?

Book it if your priority is seeing the major sights across three countries with the logistics handled. The best parts are the overnight Ha Long Bay cruise, Hoi An’s free day, the Mekong Delta overnight, the two-day temple program around Siem Reap, and the built-in Phuket rest days.

Skip it if you dislike early mornings, repeated hotel changes, or long transfer days. At 18 days, this is an ambitious route, but it is thoughtfully balanced with free time in Hanoi, Hoi An, Ho Chi Minh City, Siem Reap, and Phuket. For a first Southeast Asia trip, it offers a lot of ground without asking you to solve every transport problem yourself.

FAQ

How long is the tour?

The tour lasts approximately 18 days, beginning in Hanoi and ending in Phuket.

Which countries does the tour visit?

The route visits Vietnam, Cambodia, and Thailand.

Which major cities are included?

The itinerary includes Hanoi, Da Nang and Hoi An, Ho Chi Minh City, Siem Reap, and Phuket.

Are flights included?

Domestic flights are included. The supplied details do not specify every flight route or airline.

What meals are included?

Breakfast is included each day, along with 10 lunches and two dinners. Tips, alcoholic drinks, soft drinks, and personal expenses are not included.

How large is the group?

The tour has a maximum of 10 travelers.

What is the cancellation policy?

You can cancel at least 24 hours before the experience start time for a full refund. Cancellations or changes made less than 24 hours before the start time are not accepted for a refund.