Airport tax is applicable to Nepali and non-Nepali citizens who use airport facilities. The airport tax specified for different flights from Tribhuwan International Airport (TIA) and other domestic airports are as follows:

1. International Sector TIA and Other Airports
a) SAARC Regions Rs. 1295/- b) Other Countries Rs. 1695/-

2. Domestic Sector
a) Rs 170/- at TIA, Pokhara, Bhadrapur, Biratnagar, Simara, Bhairawa, Lukla, Neplagunj, Jomsom and Meghauli Airports.
b) Rs 125/- at Rajbiraj, Janakpur, Bharatpur, Tikapur, Dang, Surkeht, Dhangadi and Mahendranagar.
c) Other airports which does not fall under the category of (a) and (b) will be charged Rs.50/-

Note: In addition, VAT (value added tax) will be imposed on the above mentioned rates.

Security for Visitors read more about security sutiation of nepal

Ethics and Etiquette in Nepal
Nepalese practice cultural etiquettes that may sometimes appear unusual to visitors. However, a handful of tips could acquaint visitors with these otherwise strange practices.
1. The form of greeting in Nepal is 'Namaste' performed by joining palms together.
2. As a mark of respect Nepalese usually take off their shoes before entering someone's home, temple or Stupa.
3. Food or material that contains another's saliva is considered 'jutho' or impure.
4. Touching something with feet or using left hand to give or take is considered offense among Nepalese.
5. Women wearing skimpy outfits are frowned upon especially in the rural parts of the country.
6. As a part of the tradition some Hindu temples do not allow westerners to enter.
7. Leather articles are prohibited inside temple precinct.
8. Walking around temples or Stupa is traditionally done clockwise.
9. To avoid conflict photography is carried out after receiving permission from the object or person.
10. Public displays of affection between man and woman are scandalous
11. Nodding head and a slight dangling of head from left to right means 'Yes' while shaking head means a 'No.'