It is Mustahab for a person who intends to travel to
1- Asks Allah for goodness of the travel.
2- Makes him/her will.
3- Pays alms in order to buy his/her healthiness with that alms.
4- Performs four-Rak’ats prayer in the home when he/she is preparing for travel and recites Hamd and “قل هو الله” Suras in each Rak'at and says:
اللَّهُمَّ إنّی أتَقَرَّبُ إلَیْکَ بِهِنَّ، فَاجْعَلْهُنَّ خَلیفَتی فی أهْلِی وَ مَالی
5- Stands at the door of his/her house and recites Hamd Sura three times in front, right side and left side also Ayat al-Kursi (verse 255 of Baqara Sura) three times in the same way and says after that:
اَللَّهُمَّ احفَظْنى وَ احْفَظْ مَا مَعىَ وَ سَلِّمْنی وَ سَلِّم مَا مَعِىَ وَ بَلِّغْنی وَ بَلِّغْ مَا مَعِىَ بِبَلاغِکَ الحَسَنِ الجَمیلِ