Some of the escorts in Saigon you can find from Wiki Sex Guide classifieds site.You can date call girls for about VND 300k-500k/shot (about USD 15-25).The locals refer to the prostitutes in Vietnam as butterflies of the night.
Although prostitution is banned in Vietnam, it has not been eliminated completely.
The working girls riding bikes might approach you and ask if you are looking for pleasure.
This means they are actually offering you paid sex.
You have to be choosy is such situations since there remains a risk of you being robbed by fraudsters.
There are hot tocs, massage parlors, and even clubs with few freelancers (who charge more than the bar girls while looking a lot less hot). As mentioned already, the street girls offering sexual services would mostly come up to you asking whether you would like to have paid sex.
The prostitutes are both girls and boys called Trai bao ("covered boy") and trai gọi ("call boy").