Practice the Irish accent. It is recommended that you practice with a professional vocal coach, but if your budget is tight, you can also seek the assistance of instructional videos available online. Learning the accent will help you to speak and communicate in Gaelic properly.
Learn the basic vocabulary. Knowing the basics is enough for most people, especially if you want to learn Irish words for a one-time vacation. There is a plethora of websites featuring Gaelic vocabulary with English translations. Be constructive and utilize these resources to memorize and learn the basics of the language.
Follow a lesson plan or program to become fully acquainted with the complexities of Gaelic. There are a variety language softwares, audiotapes or books available at most book stores and online shopping resources. They are guided lesson plans with quality instruction on how to learn beginner, intermediate or advanced Gaelic. If your budget is tight, you can always browse the Internet for free self-teaching programs.