As Alan-munn suggested "Finding out whether the font has the symbol depends on your OS. There are many tools that can display all the symbols in a font. Using a particular font for part of a document is covered here: How do I use a particular font for a small section of a document"
Any of my symbol search starts at http://detexify.kirelabs.org/classify.html
and later symbols-a4.pdf. I got it from symbols-a4.pdf link.
Table 293: Other marvosym Symbols: Page 90
\Cross in \usepackage{marvosym}.
It is important to note that this symbol only works in text mode.
\documentclass[12pt,convert=false,border=5pt]{standalone}
\usepackage{marvosym}
%\usepackage{bbding}
\begin{document}
\Cross
\end{document}

Table 248: bbding Crosses and Plusses: Page 76
\documentclass[12pt,convert=false,border=5pt]{standalone}
\usepackage{bbding}
\begin{document}
\Cross ~\CrossOpenShadow ~\PlusOutline
~\Plus ~\CrossMaltese ~\PlusCenterOpen
\end{document}

Table 249: pifont Crosses and Plusses:Page 77
\documentclass[12pt,convert=false,border=5pt]{standalone}
\usepackage{pifont}
\begin{document}
\ding{57} ~\ding{59} ~\ding{61} ~\ding{63}
~\ding{58} ~\ding{60} ~\ding{62} ~\ding{64}
\end{document}

\Crossin\usepackage{marvosym}at Table 293: Other marvosym Symbols andTable 248: bbding Crosses and Plusseswork for you – texenthusiast Aug 13 '13 at 17:01