Vietnam in 3 weeks: Must-see attrations and activities

Vietnam is a country of stunning natural beauty, rich heritage and captivating contrasts. Planning your Vietnam in 3 weeks journey opens the door to a truly immersive experience—one where ancient temples meet bustling markets, tranquil rice terraces meet dynamic cities and time-honored traditions meet modern life. 

This guide will take you through the most iconic destinations and unforgettable experiences across the country, helping you make the most of every moment. Whether you dream of cruising through Halong Bay, exploring hidden alleys in Hoi An, or tasting street food in Ho Chi Minh City, your perfect itinerary starts here. 

Let Hanoi Voyages be your trusted companion in crafting a seamless, personalized adventure through the heart of Vietnam.

What makes Vietnam in 3 weeks the perfect journey

When planning a trip, the length of your stay plays a crucial role in shaping your experience. A one-week getaway offers a quick overview, while two weeks allow for deeper exploration. However, Vietnam in 3 weeks is undoubtedly the ideal choice for those seeking an in-depth, immersive journey through the country.

Spending three weeks in Vietnam lets you travel at a relaxed pace, without the need to rush from one destination to another. This extended time frame allows you to fully appreciate the country’s diverse landscapes, delve into its rich cultural heritage and enjoy truly unique experiences—from meaningful local encounters and fascinating historical sites to peaceful moments of relaxation.

With a well-crafted Vietnam itinerary, you can seamlessly combine adventure with comfort and exploration with rest. You'll have the chance to better understand local traditions, savor authentic Vietnamese cuisine and immerse yourself in the rhythms of everyday life.

Choose the ideal time to visit Vietnam

Vietnam has a diverse climate, with significant variations in weather and temperature between the northern, central and southern regions. Choosing the right time to visit is crucial for a comfortable and enjoyable Vietnam in 3 weeks journey.

Northern Vietnam (October to April)

• Temperatures range from 15°C to 25°C (59°F to 77°F).
• The weather is generally cool and dry, making it perfect for outdoor activities like trekking, sightseeing and exploring cultural sites.
• This period avoids the hot summer and heavy rains common in other months.

Central Vietnam (October to April)

• Temperatures usually stay between 20°C and 28°C (68°F to 82°F).
• Rainfall is minimal during this time, which is ideal for visiting historic towns such as Hoi An and Hue.
• The moderate temperatures also make beach visits and coastal exploration more pleasant.

Southern Vietnam (Warm year-round)

• Temperatures typically range from 25°C to 33°C (77°F to 91°F).
• The dry season from November to April brings less humidity and little rain, perfect for beach resorts, islands and outdoor adventures.
• Even in the hot months, the south’s tropical climate remains manageable, especially near the coast.

Planning your Vietnam in 3 weeks trip during these months allows you to experience the best weather conditions across all regions. You’ll avoid extreme heat, heavy rainfall and humidity spikes, ensuring a smoother, more enjoyable travel experience.

Must-visit places for your Vietnam in 3 weeks itinerary

Planning a trip Vietnam in 3 weeks gives you the perfect amount of time to explore the country’s top cultural, natural and historical highlights. From bustling ancient cities to serene tropical islands, these must-visit places will make your 3-week Vietnam journey truly unforgettable.

Discover Vietnam’s most important historical sites

Hanoi

Hanoi is a vibrant city where historic sites, lively streets and rich cultural heritage come together to offer an authentic taste of Vietnamese life. As a key destination on any Vietnam in 3 weeks itinerary, Hanoi provides travelers with the perfect blend of history, culture and local experiences, making it a must-visit stop during your extended Vietnam trip.

Top activities in Hanoi:

• Visit Ho Chi Minh Mausoleum and One Pillar Pagoda

• Explore the bustling Old Quarter on foot or by cyclo

• Enjoy a traditional water puppet show

• Savor iconic street food like pho, bun cha and egg coffee

• Walk around Hoan Kiem Lake and visit Ngoc Son Temple

• Shop for souvenirs at Dong Xuan Market

• Visit Tran Quoc Pagoda and Quan Thanh Temple

Hue

Hue, the former imperial capital of Vietnam, is a cultural treasure trove and a must-stop on any Vietnam in 3 weeks itinerary. Famous for its majestic citadel, royal tombs and the poetic Perfume River, Hue offers travelers a unique glimpse into the country’s regal past. Its historic sites and serene charm make it one of the best places to visit in Vietnam for culture lovers.

Things to do in Hue:

• Visit the Imperial City: the former center of Nguyen power.

• Take a cruise on the Perfume River: admire the city from the water.

• Explore the Royal Tombs: Admire the architecture of Minh Mang, Tu Duc and Khai Dinh.

• Visit Thien Mu Pagoda: See one of the iconic religious monuments.

• Taste the local specialties: Try bun bo Hue and banh beo.

• Climb to Vong Canh Hill: Observe a beautiful panorama of the region.

• Relax at Thuan An Beach: Enjoy a moment by the sea.

• Visit the Thuy Xuan incense stick village: discover a traditional craft.

Hoi An

Hoi An is a must-visit stop on any Vietnam in 3 weeks itinerary, offering a perfect blend of history, culture and charm. This ancient riverside town enchants travelers with its lantern-lit streets, traditional architecture and tailor shops. Ranked among the best places to visit during 3 weeks in Vietnam, Hoi An invites you to slow down, explore on foot and soak in its magical atmosphere.

Things to do in Hoi An:

• Stroll through the old town and admire its ancient houses, temples and the Japanese covered bridge.

• Admire the lanterns lighting up at nightfall and enjoy the unique atmosphere.

• Relax on the beaches of An Bang or Cua Dai and enjoy the sea breeze.

• Explore the countryside by bike and observe local life in the surrounding villages.

• Paddle a basket boat in Cam Thanh among the water coconut trees.

• Learn to cook Vietnamese specialties during a culinary workshop.

• Understand local craftsmanship by making your own silk lantern.

Ho Chi Minh City

Ho Chi Minh City is a vibrant, fast-paced metropolis where modernity meets rich history. The city pulses with life through its bustling streets, lively markets and endless opportunities for exploration. As a key stop on any Vietnam in 3 weeks itinerary, Ho Chi Minh City offers a dynamic contrast to the calmer regions of the country. It gives travelers a true taste of southern Vietnam’s energy, culture and vibrant urban scene, making it a memorable highlight of your Vietnam in 3 weeks journey.

Top activities in Ho Chi Minh City:

• Visit the War Remnants Museum and the Reunification Palace

• Explore Notre Dame Cathedral and the Central Post Office

• Shop and snack at Ben Thanh Market

• Take a half-day trip to the Cu Chi Tunnels

• Enjoy a dinner cruise on the Saigon River

Explore Vietnam’s natural wonders

Sapa

Sapa is a scenic mountain retreat in northern Vietnam, famous for its stunning terraced rice fields, cool climate and vibrant ethnic minority cultures. Ideal for trekking and cultural immersion, Sapa is a refreshing addition to any Vietnam in 3 weeks itinerary. Travelers can explore misty valleys and experience the rich traditions of the H’mong and Dao communities, making it a memorable highlight of a longer Vietnam journey.

Things to do in Sapa:

• Trek through rice terraces in villages like Cat Cat and Ta Van

• Visit local ethnic minority markets

• Ride the cable car to Mount Fansipan

• Enjoy a local homestay experience

• See waterfalls like Silver Waterfall or Love Waterfall

Ninh Binh

Ninh Binh offers a peaceful escape with its stunning limestone karsts, winding rivers and centuries-old pagodas. This tranquil region adds a slower pace and natural charm to your Vietnam in 3 weeks itinerary, making it perfect for travelers seeking quiet beauty and rich cultural experiences during their extended Vietnam trip.

Top activities in Ninh Binh:

• Visit Hoa Lu, the ancient 10th-century capital.

• Take a boat ride through Tam Coc’s caves and rice fields.

• Climb to Bich Dong Pagoda for mountain views.

• Explore the vast Bai Dinh Pagoda complex.

• Hike in Cuc Phuong National Park, home to rare wildlife.

• Spot langurs in Van Long Nature Reserve.

• Enjoy panoramic views from the top of Hang Mua.

Phu Quoc 

Phu Quoc is a tropical island paradise known for its white-sand beaches, crystal-clear waters and laid-back coastal lifestyle. As a sunny highlight of your Vietnam in 3 weeks itinerary, it adds a perfect touch of luxury and relaxation to your journey. From snorkeling adventures and island-hopping to seafood dinners by the beach, Phu Quoc offers an idyllic ending to a well-rounded three-week trip across Vietnam.

Top activities in Phu Quoc:

• Bask on the pristine beaches of Bai Sao, Long Beach and Ganh Dau.

• Snorkel or dive among coral reefs and tropical fish.

• Hike through the lush trails of Phu Quoc National Park.

• Take a boat trip around the unspoiled An Thoi archipelago.

• Explore local flavors at Duong Dong Night Market.

• Enjoy stunning views from the Hon Thom Cable Car.

• Watch breathtaking sunsets over Long Beach.

Experience UNESCO World Heritage sites

Ha Long Bay

Ha Long Bay is one of the most iconic natural wonders in Asia, renowned for its emerald waters and thousands of towering limestone islands. As a UNESCO World Heritage Site and one of the best places to visit in Vietnam, it’s a must-see destination on any Vietnam in 3 weeks itinerary. Whether you’re cruising through the bay, kayaking between islets, or simply soaking in the breathtaking views, Ha Long Bay offers an unforgettable experience during your three-week journey.

Things to do in Ha Long Bay:

• Experience an overnight junk cruise on the bay.

• Kayak through caves and limestone islets.

• Admire the bay from a seaplane.

• Visit unique floating fishing villages.

• Explore Sung Sot (Surprise) Cave.

• Hike and climb on Cat Ba Island.

• Swim and enjoy water sports at Tuan Chau Beach.

• Taste fresh local seafood.

My Son Sanctuary

My Son Sanctuary is an ancient Hindu temple complex hidden in the jungle near Hoi An, offering a fascinating glimpse into Vietnam’s spiritual and architectural past. A highlight for history lovers, it adds cultural depth to your Vietnam in 3 weeks itinerary with its mysterious ruins and rich Champa heritage.

Things to do in My Son:

• Admire ancient brick temples and carvings.

• Learn about the Cham people’s history with a guide.

• Watch a traditional Apsara dance performance.

• Walk the ancient ceremonial path to the temples.

• Visit the My Son Museum to see Cham artifacts.

Phong Nha 

Phong Nha is a dream destination for nature lovers and adventure seekers, famous for its vast cave systems, jungle treks and underground rivers. As a UNESCO World Heritage Site, it adds a wild and unforgettable dimension to your Vietnam in 3 weeks itinerary. It’s a must-visit spot for those seeking exploration and natural wonder on their Vietnam trip.

Things to do in Phong Nha:

• Explore Paradise Cave, one of the largest dry caves.

• Take a boat to Phong Nha Cave.

• Adventure in Dark Cave with zip-lining and mud baths.

• Trek jungle trails and waterfalls.

• Kayak on the Son River.

• Visit the Botanic Garden.

• Experience local village culture.

Vietnam in 3 weeks: Your perfect itinerary guide

A Vietnam 21-day itinerary is the perfect itinerary to fully experience the country’s rich culture, diverse landscapes and fascinating history. This comprehensive journey allows travelers to explore Vietnam at a comfortable pace while covering its most iconic destinations.

📍 21-day itinerary:

Starting in Hanoi, you’ll experience the lively atmosphere of Vietnam’s capital, where traditional culture blends seamlessly with colonial architecture. Next, head to Ninh Binh to enjoy peaceful rice fields and dramatic limestone mountains, followed by a scenic cruise through the UNESCO World Heritage Site of Halong Bay, famous for its emerald waters and thousands of limestone islands.

Continue your adventure in Phong Nha-Ke Bang National Park, home to some of the world’s largest caves and impressive karst formations. Then explore the historic city of Hue, the former imperial capital filled with ancient palaces and royal tombs. Visit the charming ancient town of Hoi An, known for its well-preserved architecture and the iconic Japanese Covered Bridge. Discover the archaeological treasures at My Son, an ancient Champa kingdom site surrounded by lush jungle.

Experience the vibrant and bustling energy of Ho Chi Minh City, with its blend of modern life and historical landmarks. Then, immerse yourself in the tropical waterways and rich culture of the Mekong Delta. Finally, unwind on the pristine white sandy beaches of Phu Quoc Island, where crystal-clear waters and tropical vibes offer a perfect ending to your journey. 

This comprehensive itinerary perfectly balances culture, nature and adventure for an unforgettable Vietnam experience.

For more detail about this tour, you can read: Vietnam tour 21 days

Travel tips for your Vietnam in 3 weeks trip

Planning a trip to Vietnam for three weeks is an exciting adventure. From bustling cities to serene landscapes, Vietnam offers a rich and diverse experience. To help you make the most of your journey, here are some essential travel tips for your Vietnam 21-day itinerary.

Check visa requirements

If you plan to explore Vietnam in 3 weeks, check Vietnam's visa requirements in advance to ensure a smooth Vietnam trip. Many nationalities, including ASEAN countries, the UK and the EU, can enter visa-free for 15 to 45 days. Most other travelers can apply for a 90-day e-visa online, which takes around 5 to 7 days to process. Ensure your passport is valid for at least six months and print your e-visa approval before traveling.

For more details: Vietnam Visa Formalities

Choosing the right transportation

• Domestic flights: The quickest way to cover long distances. Major airlines link key cities such as Hanoi and Ho Chi Minh City, making travel fast and convenient.

• Trains: A comfortable and scenic choice, especially popular for routes like Hanoi to Sapa or Hue, allowing you to relax and enjoy the countryside views.

• Buses: A budget-friendly option with various services available. Sleeper buses are great for overnight trips, while minibuses work well for shorter distances.

• Taxis & Ride-hailing apps: Apps like Grab, Be and Xanh SM offer easy and affordable motorbike and car rides within cities. Traditional taxi companies such as Mai Linh, Sao Thủ Đô and G7 are also reliable choices.

• Motorbike rental: Perfect for adventurous travelers who want more freedom. However, traffic can be hectic, so make sure you have a valid license and are confident riding.

Learn more: Transportation in Vietnam: Best options for getting around

Respect local customs

Vietnamese culture values politeness and respect. Dress modestly when visiting temples and religious sites. Always ask permission before taking photos of people, especially ethnic minorities. Learning a few basic Vietnamese phrases can go a long way in connecting with locals.

Planning your Vietnam in 3 weeks trip is an incredible opportunity to experience the country’s rich culture, stunning landscapes and vibrant cities. With careful preparation and the right guidance, your journey will be smooth and unforgettable. Let Hanoi Voyages help you design the perfect itinerary and take care of all the details, so you can focus on creating lifelong memories. 

Start your adventure today with Hanoi Voyages — your trusted partner for an amazing Vietnam experience!

Discover even more about Vietnam through these related blogs:

>>> The ultimate guide for your Vietnam vacation

>>> Planning your Vietnam trip: How many days should you spend?

>>> Vietnam travel budget: How much to spend on your trip?

>>> Top 18 most beautiful places to visit in Vietnam

>>> Top 9 must-try travel experiences in Vietnam