It depends on your goals

f your goal is to travel confidently, find you way around cities and towns, order food in restaruants, and hold basic conversations with local residents in Spanish-speaking countries, you will need typically to complete and least one Beginner course, one Intermediate, and one Advanced course. 

If you meet with your teacher once a week, and each course lasts 10 weeks, completing all three course will take approximately 30 weeks (about 7 months). In addition, you should expect to study and practie at home for 1-2 hours each day.

To accelerate your progress, it would be important to immerse yourself in the language as much as possible by listening to Spanish music, podcasts, and watching movies or TV shows in Spanish. Regular exposure will help you become familiar with the sound, rhythm, pronunciation, and natural flow of the language. 

f you are willing to commit more time and effort, you can take and intensive program and meet with your teacher twice a week. In that case, you may be able to complete the same material in about 14 weeks (approximately 3 1/2 months), provided you study consistently and take no significant breaks. 

On the other hand, of your goal is simply to acquire  practical traveling skills, completing a Beginner course and an Intermediate course (about 20 weeks in total) can give you the ability to ask and answer common questions, handle everyday situations, and communicate at a basic level while traveling.

Bottom line: Yes, it is possible to learn Spanish in about 3 months if your goal is basic communication and travel survival skills, especially through intensive study. Achieving conversational fluency, however, typically requieres much longer commitment. 

Contact Juan at iSpeakSpanish to talk about your goals. He will help you find the right program for you.