Русско-англо-русский юридический словарь

business trip. A visit made to a place for work purposes, typically one involving a journey of some distance. ‘a business trip offers a break from the daily office routine’ (Lexico)

'Business trip' sounds slightly more formal/official and would probably be used in official communications about the trip. 'Work trip' is likely to be used informally when talking amongst colleagues/friends. But the difference is not as strict as that – both could be used in either context. (WordReference)

With a roster of alluring destinations and five-star hotels, going on a business trip can seem like a whirlwind of high-powered glamor on the surface. (CNN)

Business trips all too often provide the worst of all worlds. You deal with airports, jet lag and the other downsides of travel, your days are packed with work activities, and you rarely get to see much beyond a city’s conference rooms, hotels or airport lounges. (CNN)

When translator Yulia Karaulan left Ukraine for a business trip to Italy on February 20, ... (ABC17NEWS)

Skip the fancy restaurant and try a food hall on your next business trip. (CNN)