Steam Store: How to sort games by price and hide free to play titles?

http://store.steampowered.com/search/?specials=1#sort_by=Price_ASC&category1=998&specials=1&page=1

Specials, will only show discounted items.

just do price sort, and jump to page 63 will skip over the free stuff:
https://store.steampowered.com/search/?price=0&sort_by=Price&sort_order=ASC&page=63

games only search, with page number that skips over the free ones:
https://store.steampowered.com/search/?category1=998&price=0&sort_by=Price&sort_order=ASC&page=18

https://steamdb.info/sales/

click on merge to get a single list (a bit slower)

https://steamdb.info/sales/?displayOnly=all&category=0

Click games under £7 > See All > Sort by price lowest to highest.

Instant filter of all free to play games.