Because many translations of ancient works are out of copyright, you can often find texts online. Be aware that these older texts will not contain the most up-to-date annotations or "scholarly apparatus."
A few noteworthy series of scholarly editions:
In the library catalog, you will see "English" as part of the title of a work, denoting a translation into English. Example:
Iliad Book 3-4 English
Iliad Book 9
Iliad Book 16-19 English
Iliad Book 24
Iliad Book Nine
Iliad Book XXIV
Iliad Books 1-6
Iliad English And Greek...
Check basic reference sources such as the Oxford Classical Dictionary, to find recommended editions and translations.