O Allah, decree for us safety in travel, gain, happiness, and knowledge. — Travel Adhkar
اللَّهُمَّ اكْتُبْ لَنَا السَّلَامَةَ فِي السَّفَرِ وَالْغَنِيمَةَ وَالسَّعَادَةَ وَالْعِلْمَ
Transliteration: Allaahummaktub lanas-salaamata fis-safari wal-ghaneemata was-sa'aadata wal-'ilm
Translation: O Allah, decree for us safety in travel, gain, happiness, and knowledge.
Reference: General supplication