Hickam Housing, HI HNL to Hanoi HAN Flights

Since neither Hickam Housing, HI nor Hanoi are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and Vietnam. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.

There is a time difference of 17 h between Hickam Housing, HI and Hanoi all year round.

The best events to attend in Hanoi include:

• Tet Nguyen Dan, the Vietnamese Lunar New Year celebration filled with vibrant festivities, family gatherings, and traditional customs
• Hanoi International Film Festival, a showcase of cinematic talent from around the world featuring screenings, workshops, and discussions
• Hanoi Street Food Festival, an annual event celebrating the city's rich culinary heritage with food stalls, cooking demonstrations, and tastings.

The best holidays to experience in Hanoi include:

• Tet Nguyen Dan (Lunar New Year), vibrant celebrations with family gatherings and traditional festivities
• National Day, patriotic displays and fireworks marking Vietnam's independence
• Mid-Autumn Festival, enchanting lantern displays and cultural activities celebrating children and harvest.

The best seasons to visit Hanoi are Spring or Fall. The best weather to explore Hanoi is during October-November or March-April.

For international flights we recommend to arrive 2.5 to 3 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e. G. 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs).
Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you.
Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.