The best time to visit Vietnam, particularly for travelers from India, is generally during the spring and autumn (February to April and August to October). This period offers pleasant, moderate temperatures and light rainfall, making it ideal for exploring the country's diverse landscapes and attractions. 

Elaboration:

• Central Vietnam:

  The period between February and May is considered the best time for central Vietnam, with warm, sunny weather and minimal rainfall. 

• Southern Vietnam:

  The dry season in the south, from November to April, offers pleasant weather for beach activities and exploring cities like Ho Chi Minh City. 

• Summer (May-August):

  The summer months can be hot and humid, especially in the northern and central regions. Southern Vietnam experiences its rainy season during this time, so it's best to avoid the southern coast during this period. 

• Autumn (September-October):

  This season is particularly good for the northern regions, with the harvest season bringing golden hues to the rice fields in areas like Sapa. 

• Budget Travelers:

  May and September can be more budget-friendly for travel, as there's lower demand and potentially cheaper flights and accommodations. 

• Northern Vietnam:

  The dry and cool season, from November to April, is ideal for exploring the northern regions, including Sapa and the coastal cities. 

 By Air

• Tan Son Nhat International Airport(SGN) is an international Airport in Ho Chi Minh City which is situated in South Vietnam.
• Noi Bai International Airport(HAN) is also an International Airport in Hanoi which is situated in North Vietnam.
• Da Nang International Airport(DAD) is an aiport in Da Nang in Central Vietnam which is mostly used for domestic Airlines.
• It is well-connected to major Indian cities like Delhi,Mumbai, Bangalore, Chennai, and Kolkata, as well as international destinations.
• From the airport, you can hire taxi or book airport transfers to your accommodation.

Vietnam offers a diverse range of attractions, from bustling cities to serene landscapes. Popular destinations include Hanoi, Ho Chi Minh City, Hoi An, Ha Long Bay, and Sapa. You can explore ancient cities like Hue, enjoy beaches in Da Nang, or delve into the natural beauty of Ninh Binh. 

Here's a more detailed look at some of the best places to visit in Vietnam:

Major Cities:

• Hanoi:

  The capital city, offering a blend of old and new, with attractions like the Old Quarter, Hoan Kiem Lake, and the Temple of Literature. 

• Ho Chi Minh City (Saigon):

  A vibrant metropolis with a rich history, featuring attractions like the War Remnants Museum, the Notre-Dame Cathedral, and the Cu Chi Tunnels. 

• Hoi An:

  A UNESCO World Heritage-listed ancient town known for its unique architecture, colorful lanterns, and bustling street food scene. 

• Da Nang:

  A coastal city with beautiful beaches, the iconic Golden Bridge at Ba Na Hills, and the Marble Mountains. 

• Hue:

  The former imperial capital, home to the Imperial Citadel and a rich cultural heritage. 

Natural Wonders:

• Ha Long Bay:

  A stunning UNESCO World Heritage site featuring thousands of limestone karsts and islands, perfect for cruising and kayaking. 

• Sapa:

  A mountainous region with breathtaking rice terraces, offering trekking and cultural experiences among indigenous villages. 

• Ninh Binh:

  Often called "Halong Bay on land," known for its stunning limestone landscape, caves, and kayaking opportunities. 

• Mekong Delta:

  A vast river delta region with floating markets, canals, and rice paddies, offering a unique glimpse into rural life. 

• Phong Nha-Ke Bang National Park:

  Home to the world's largest cave, Son Doong, and other impressive caves and natural beauty. 

Other Notable Destinations:

• Phu Quoc Island: A tropical island with beautiful beaches, offering relaxation and water sports. 

• Cat Ba Island: An island with stunning beaches, national park, and kayaking opportunities. 

• My Son Sanctuary: A complex of Cham temples dating back centuries. 

• Cu Chi Tunnels: An underground network of tunnels used during the Vietnam War. 

• Tam Coc: A scenic area with limestone cliffs, caves, and rice paddies, perfect for kayaking and exploring. 

This is just a starting point, and the best places to visit in Vietnam will depend on your interests and preferences. Consider your travel style, budget, and desired experiences to create your perfect itinerary. 

• Hanoi:

  The capital city, offering a blend of old and new, with attractions like the Old Quarter, Hoan Kiem Lake, and the Temple of Literature. 

• Ho Chi Minh City (Saigon):

  A vibrant metropolis with a rich history, featuring attractions like the War Remnants Museum, the Notre-Dame Cathedral, and the Cu Chi Tunnels. 

• Hoi An:

  A UNESCO World Heritage-listed ancient town known for its unique architecture, colorful lanterns, and bustling street food scene. 

• Da Nang:

  A coastal city with beautiful beaches, the iconic Golden Bridge at Ba Na Hills, and the Marble Mountains. 

• Hue:

  The former imperial capital, home to the Imperial Citadel and a rich cultural heritage. 

Natural Wonders:

• Ha Long Bay:

  A stunning UNESCO World Heritage site featuring thousands of limestone karsts and islands, perfect for cruising and kayaking. 

• Sapa:

  A mountainous region with breathtaking rice terraces, offering trekking and cultural experiences among indigenous villages. 

• Ninh Binh:

  Often called "Halong Bay on land," known for its stunning limestone landscape, caves, and kayaking opportunities. 

• Mekong Delta:

  A vast river delta region with floating markets, canals, and rice paddies, offering a unique glimpse into rural life. 

• Phong Nha-Ke Bang National Park:

  Home to the world's largest cave, Son Doong, and other impressive caves and natural beauty.