"chance visit" is correct and usable in written English.
You can use it to describe an occurrence in which someone unexpectedly shows up somewhere. For example, "I hadn't seen my old college roommate in years until I ran into her on a chance visit to the city."
Her hard-won new tranquillity is threatened, however, by a chance visit from a city policeman.
Twickenham came to his attention after a chance visit to a friend's office there.
A chance visit while on holiday in the area seven years ago has brought me back almost every year since.
My life changed again when I met my partner during a chance visit to a local bookshop.
So she would pass on the games of chance, visit this betting bazaar without wagering a nickel.
On a chance visit to an apartment they maintained in Shanghai, she discovered women's toiletries and cosmetics.
Drawing on such chance visits and personal memories, Mr. Massagrande constructs his images often from quite disparate buildings and locations.
Over the years, on chance visits, I detected signs of slippage and laziness at the restaurant, which opened a decade ago and is now well into middle age.
In 1980, Australian author Thomas Keneally by chance visited Pfefferberg's luggage store in Beverly Hills while en route home from a film festival in Europe.
A woman in her 30s, who had seen 30 doctors over a period of 15 years for a condition that the experts had decided was anorexia and bulimia, paid a last-chance visit to a new doctor, who pushed aside the thick dossier on his desk and listened closely as she retold her story from the beginning.
To find out what we know about how countries are doing on children's chances, visit http://childrenschances.org/global-maps/.
