There are a whole lot of massage parlors here and they are super easy to find.
Just head to Kallio particularly in the areas around Helsingkatu, Vaasankatu, and Flemingkatu.
Since prostitution is legal meeting hookers online in Helsinki is a safe and easy way to do it.
This is an easy way to find relatively cheap sex in Helsinki.
The massage will be around 30 euros and then a 50 euro tip should be able to get you a blowjob and around 70 or a little more for full sex.
A few specific shops are Rose, Tantra Nina, and Lotus.
But you will be best off to head into a few, ask for a lineup, and pick the one with the sexiest Thai girls.
If you want to go to their place and do a quick incall session you might be able to pay around 150-250 euros.