Reviewed · HANOI TOURS & ACTIVITIES

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

★ 5.0 · 12 reviews From $2,859 Operated by Authentic Adventures · Bookable on Viator
Book on Viator →

Three countries in 18 days, but it feels doable. This route stitches Hanoi, Ha Long Bay, Hoi An, Ho Chi Minh City, Siem Reap, and Phuket into a mostly pre-planned flow, with hotel pickups and included entry fees that cut daily logistics. I love that you get real time in each place, not just a sprint between landmarks, and I like how the itinerary switches gears from cruises to history to temple days to beach time. The trade-off is pace, you will have early starts and a few flights, so pack a little patience.

What makes this work well for you is the “major stuff is handled” approach. You get domestic flights, an air-conditioned vehicle, a tour guide, plus a set number of meals, and most entrance fees for the scheduled stops are included. That means your time goes to seeing things, not chasing tickets, drivers, and meeting points.

A small group also matters. This is capped at 10 travelers, and you’ll have a mobile ticket, which is handy when you’re moving between countries and checkpoints. If you want a guided itinerary with less friction, this is the kind of trip you’ll appreciate.

Quick highlights you can plan around

18-day Itinerary Vietnam - Cambodia -Thailand | Best 2026-27 - Quick highlights you can plan around

  • Hotel-to-hotel convenience: pickup and drop-off for most days, so you spend less time figuring out transport.
  • Two UNESCO temple zones in different styles: My Son in Vietnam, then Angkor in Cambodia.
  • Ha Long Bay with an early-morning option: sunrise views and Tai Chi on the sundeck day.
  • War history plus underground reality: Cu Chi Tunnels after a focused Saigon sightseeing block.
  • Remote Khmer ruins day: Koh Ker and Beng Mealea add variety beyond the main Angkor circuit.
  • Phi Phi and Bamboo Island day trip: a classic island day built into Phuket without you organizing anything.

How this 18-day Vietnam-Cambodia-Thailand tour stays manageable

You’re covering a lot of ground, so the real value here is friction reduction. With domestic flights already built in, you do fewer long overland transfers, and you’re less likely to lose a whole day to traffic, missed connections, or searching for the right local driver.

The tour is also structured so you’re not constantly “on duty.” Some days are packed with sights, then other days are left open for your own exploration in Hanoi, Hoi An, Ho Chi Minh City, Siem Reap, and Phuket. That balance is important. If every day were scheduled tight, this would feel exhausting. As it is, you get a rhythm: big highlight blocks, then breathing room.

The other behind-the-scenes win is that many entrance fees for listed sightseeing stops are included. That matters because popular sites in this region can add up quickly, and paying at each gate on the fly is one more thing to manage while you’re tired.

More Hanoi plans to weigh

Hanoi arrival, then Temple of Literature before the water

18-day Itinerary Vietnam - Cambodia -Thailand | Best 2026-27 - Hanoi arrival, then Temple of Literature before the water
Day 1 is a soft landing. You arrive in Hanoi, get transferred to your hotel, and the rest of the day is free. This is a good setup if you want to do the basics first: eat something you can pronounce, get cash sorted, and walk the Old Quarter streets so the city makes sense.

Then you return to Hanoi on Day 4 morning for one of Vietnam’s most meaningful cultural stops: the Temple of Literature. This UNESCO site is a strong “Vietnam context” day before your Ha Long cruising start. It’s not just a set of stone buildings. It’s a reminder that Vietnam’s story is also about scholarship and learning, not only war and modern change.

Practical note for you: when a city day starts early and then you fly the same day, you’ll want to keep your carry-on light. Bring what you’ll use in the morning and trust that the rest can stay at the hotel until you’re settled.

Ha Long Bay and Lan Ha Bay: cruise time, sunrise time, all handled

18-day Itinerary Vietnam - Cambodia -Thailand | Best 2026-27 - Ha Long Bay and Lan Ha Bay: cruise time, sunrise time, all handled
Ha Long Bay is where this itinerary earns its keep. On Day 2, you’re picked up from Hanoi’s Old Quarter area and taken toward Ha Long. You reach Tuan Chau port and board a transfer boat to the cruise, with a welcome drink and check-in once onboard.

Your afternoon cruising follows a scenic route named in the schedule: areas around Gia Luan, Thoi Quyt island, Ke Ga, and Finger formations, plus other viewpoints in the southeastern part of Ha Long Bay. Even if you’ve seen pictures before, a bay like this works best when you’re actually moving slowly past it.

Day 3 is the payoff day for early risers. You wake up early, join a Tai Chi session on the sundeck, and watch the sunrise in Lan Ha Bay. Breakfast follows, then you keep enjoying the morning views before returning to Hanoi by around 17:00.

One consideration: boat days depend on weather and water conditions. If conditions aren’t good, plans may change. When you’re booking travel across three countries, it helps to stay flexible on timing.

Hoi An plus My Son Sanctuary: UNESCO in one day, old town in another

You get a clean transition into central Vietnam on Day 4. After the Temple of Literature, you’re transferred to the airport, fly to Da Nang, then go to a Hoi An hotel. That’s a lot of moving parts, but it’s also the easiest way to connect these areas without backtracking.

Day 5 gives you UNESCO My Son Sanctuary in the morning. Then you head into Hoi An town for a local market walking block and the Japanese Covered Bridge. This pairing is smart. My Son gives you ancient temple architecture, while Hoi An gives you the living, street-level culture.

On Day 6, the tour shifts gears to slower travel. You have breakfast, then time to explore Hoi An’s Old Town at your own pace. For you, that’s the moment to shop, snack, and wander without a clock telling you where to stand next. For a lot of people, this is where the trip starts to feel personal.

If you’re sensitive to heat, plan for shade breaks. Hoi An afternoons can be hot, and the walking is real even when it feels casual.

Same region, different pace:

Ho Chi Minh City: cathedral, post office, war museum, then Cu Chi Tunnels

You fly from Hoi Minh City to Siem Reap later, but first you get a concentrated Saigon-style city day. On Day 7, it’s essentially travel and check-in. On Day 8, you visit several major stops in a logical order.

You start at Saigon Notre Dame Cathedral, then see the Saigon Central Post Office for its French-era architecture blend. Next is the War Remnants Museum, which is included and is one of the most direct, emotionally heavy history visits on the route.

Then comes lunch time plus an afternoon push to the Cu Chi Tunnels. This is one of those experiences where the context you gain from the museum makes the tunnels feel more than just an attraction. You’ll learn about underground passages built for survival and resistance, and you’ll see how people adapted to difficult conditions.

A practical consideration: after a museum and a major site like Cu Chi, you will want downtime. The schedule is tight enough that you should plan an easy dinner back near your hotel rather than chasing nightlife.

Mekong Delta by boat: My Tho, Ben Tre, Can Tho, then Cai Rang

Days 9 and 10 are about water travel and small-world variety. On Day 9, you explore the Mekong Delta starting with My Tho and a boat journey along the river routes described in the schedule. You continue to Ben Tre for coconut groves and canal cruising, including visits to local workshops.

Then you move to Can Tho and check in. This is helpful, because Can Tho is a good base for the next morning’s floating market.

Day 10 begins early for Cai Rang Floating Market, described as a wholesale market that’s busiest around 6:30am. You cruise through the narrow canal areas in the early hours when boats and activity are highest. Then you head back to Ho Chi Minh City for lunch and a return block in the afternoon.

If you hate early mornings, this is the one day on the itinerary that might test your goodwill. Still, if you go to the delta and skip the early market, you miss much of what makes it worth getting up for.

Flying to Siem Reap: Angkor days with different temple vibes

18-day Itinerary Vietnam - Cambodia -Thailand | Best 2026-27 - Flying to Siem Reap: Angkor days with different temple vibes
On Day 11, you enjoy a morning in Ho Chi Minh City, then fly to Siem Reap. The rest of the day is free. This is a nice recovery point after back-to-back city and delta days.

Day 12 is your major Angkor circuit day. You start at Angkor Thom, the ancient capital of the Khmer empire. Then you visit Ta Prohm, with its trees and vegetation growing around and through temple structures. The day ends with Angkor Wat in the afternoon, described as a massive complex and one of the largest religious monuments in the world.

This day works because it moves from one “temple personality” to another. Angkor Thom gives you the feel of a once-powerful capital. Ta Prohm adds a haunting, nature-meets-stone feel. Angkor Wat then hits with scale and symmetry.

One small consideration: temple days can be hot. Bring water, wear sun-friendly clothes, and plan to take breaks when your guide recommends shade or rest points.

Koh Ker and Beng Mealea: the remote ruins day that changes the tone

Day 13 is a different kind of temple experience. The group departs Siem Reap at 8:00am and drives about 1.5 hours to Koh Ker, known for remote ruins in the jungle. You explore the deserted temple complex, and the main Koh Ker Temple is described as a stepped 7-tier structure.

On the way back, you stop at Prasat Neang Khmau and Prasat Pram, plus lunch at a local restaurant near Beng Mealea. In the afternoon, you visit Beng Mealea, which is described as overgrown and largely undiscovered for centuries, plus the walking experience through dense jungle.

This is the day that helps your Angkor trip feel three-dimensional. Instead of only checking the famous temples, you see what happens when the Khmer sites are harder to reach and less staged for crowds. If you like ruins that feel more like nature reclaimed them, you’ll probably enjoy this tone shift.

Phuket beach days and Phi Phi island time: classic, but made easy

After the temple marathon, you fly to Phuket on Day 14. The rest of the day is free after arrival. Day 15 then becomes beach time by design: breakfast at the hotel, then relaxation. It’s a clean reset after temple heat and walking.

Day 16 is the big water day. You transfer to Royal Phuket Marina, head out to Phi Phi Island, and arrive at Bamboo Island around 10:30am. You relax on the white sand beach, plus you get snorkeling and swimming in the clear water area.

Then you lunch at Phi Phi Don and head to Phi Phi Le. You visit Viking Cave, Monkey Beach, and Pileh Lagoon, then return to the marina and get dropped off at your hotel.

Day 17 is another beach-focused day with breakfast and free time to relax again. Day 18 ends with breakfast, more leisure, and a driver transfer to the airport for your departure flight.

One thing to plan for: if you’re prone to seasickness, think about seaspray, sun glare, and boat motion. The schedule is built around island hopping, so the day includes enough time on the water to matter.

Price and value: what $2,859 covers, and what you should budget

At $2,859 per person for about 18 days, the value comes from what’s packaged.

Included:

  • Domestic flights
  • Accommodation (private room)
  • Tour guide
  • Air-conditioned vehicle
  • Meals: 18 breakfasts, 10 lunches, and 2 dinners
  • Entrance fees for included sightseeing stops

Not included:

  • Tips
  • Alcoholic drinks and soft drinks
  • Personal expenses

So what are you really paying for? You’re paying to remove the biggest time sinks in this part of the world: flights between key hubs, the guide and vehicle for major sightseeing blocks, and the entry-fee admin. You’re also paying for a plan that tries to balance intensity with down time.

Where you might still spend extra:

  • Daily drinks, especially in warmer cities and on boat days
  • Tips, which aren’t specified in the data, but you should factor in
  • Shopping, snacks, and any extra attractions not listed as included

My practical advice: before you book, estimate your daily spending for tips and drinks and keep a separate envelope. It keeps your budget from getting blurry once the trip starts rolling.

Pacing, early mornings, and weather: the real-world considerations

This itinerary has a clear rhythm. Some days are built around mornings, like the early move to Ha Long and the Cai Rang Floating Market at 6:30am. Other days are heavy on a single big theme: temples, tunnels, or islands.

If you’re someone who wants a slow, wandering trip where you always decide last minute, this schedule might feel too set. If you’re someone who wants to see a lot without planning each step, you’ll like it.

Weather is also a factor for the boat and beach parts. The tour notes that it requires good weather, which makes sense for Ha Long and the island day near Phi Phi. Build a little flexibility into your mindset. If a day changes, the trip is still designed to keep moving.

Who this tour fits best, and who should rethink it

This works best if you want:

  • Less logistics work and more guided sightseeing
  • A mix of big sights and recovery time
  • A private-room feel without planning everything yourself
  • A small group cap, up to 10 travelers

It may not be the best match if you:

  • Hate early mornings or packed days
  • Want full freedom to choose every meal and route
  • Prefer to control every flight and transfer on your own

For families, friend groups, and first-time visitors to all three countries, this format can be a win because it keeps the experience steady while you focus on the places themselves. The best part is that pickup and drop-off reduce the “where do we meet again” stress that can ruin a good day.

Should you book this 18-day Vietnam-Cambodia-Thailand tour?

If you want an 18-day Vietnam, Cambodia, and Thailand trip that feels structured but not nonstop, I’d say yes, with eyes open. The included flights, guides, and entrance fees remove the planning friction that usually piles up when you cross borders. You’ll also get the standout variety: Ha Long sunrise, Hoi An old-town wandering, Saigon history plus Cu Chi, the delta by boat, Angkor temples, and Phi Phi island time.

If you’re the type who can handle early starts and a few long travel days, this tour is a strong value for what it delivers. If you crave total freedom and hate schedules, consider a less packed route where you stay longer in fewer places.

In short: book it if you want the route done for you. Pass if you want the trip to feel entirely unscripted.

FAQ

What cities and regions are included in the tour?

You’ll spend time in Hanoi, Ha Long Bay (including Lan Ha Bay), Hoi An, Ho Chi Minh City, Siem Reap, and Phuket. The route also includes visits in areas like My Tho, Ben Tre, Can Tho, and several temple sites around Siem Reap, plus Phi Phi and Bamboo Island near Phuket.

Are flights included?

Yes. Domestic flights are included as part of the tour.

Are meals included?

Yes. The tour includes 18 breakfasts, 10 lunches, and 2 dinners.

Is hotel pickup and drop-off included?

Yes. Pickup and drop-offs are offered to make travel easier.

How many people are in the group?

The maximum group size is 10 travelers.

Where is the tour meeting start time?

The start time is listed as 7:00am.

Is free cancellation available?

Yes. Free cancellation is offered if you cancel up to 24 hours in advance of the experience start time for a full refund.

More like this

Hanoi Tours & Activities, compared.

The full Hanoi Tours & Activities list →
Hanoi Jeep Tour: Food, Culture and Fun by Vietnam Army Jeep
★★★★★★★★★★5.0· 15,222 reviews· from $55

Hanoi Jeep Tour: Food, Culture and Fun by Vietnam Army Jeep

Read our review →
Full-Day Ninh Binh Highlights Tour from Hanoi
★★★★★★★★★★5.0· 7,761 reviews· from $79

Full-Day Ninh Binh Highlights Tour from Hanoi

Read our review →
Ha Long Bay Day Cruise – Swimming, Meal, Kayaking
★★★★★★★★★★4.7· 7,415 reviews· from $41

Ha Long Bay Day Cruise – Swimming, Meal, Kayaking

Read our review →
Water Puppet Show Tickets
★★★★★★★★★★4.6· 7,029 reviews· from $7

Water Puppet Show Tickets

Read our review →
Hanoi Motorbike Tour: Food, Culture and Fun by Vintage Motorbike
★★★★★★★★★★5.0· 6,699 reviews· from $55

Hanoi Motorbike Tour: Food, Culture and Fun by Vintage Motorbike

Read our review →
Guided Food Tour with Train Street Visit
★★★★★★★★★★4.9· 6,239 reviews· from $19

Guided Food Tour with Train Street Visit

Read our review →
Hanoi Cooking Class: Culture, Local Market & Meaning CSR Impact
★★★★★★★★★★5.0· 5,147 reviews· from $39

Hanoi Cooking Class: Culture, Local Market & Meaning CSR Impact

Read our review →
5 Traditional Dishes Hanoi Cooking Class with Market Trip
★★★★★★★★★★5.0· 4,890 reviews· from $35

5 Traditional Dishes Hanoi Cooking Class with Market Trip

Read our review →
Scroll to Top

Every kind of day in Vietnam

Pick the day out, and we will tell you which one to book.