Spelling errors constitute the biggest challenge for Arab students during the process of their acquisition of the four English language skills, especially during their learning of the writing skill. The aim of the study was to assess language awareness and English spelling difficulties faced by Saudi EFL students. Major emphasis was given to the mistakes commonly committed by English learners. It also aimed to explore the opinions of students on English as a foreign language, establishing the different causes of spelling errors, and assessing the interference that exists between English and Arabic Saudi EFL students. The study used a quantitative research approach based on the descriptive research design. An online questionnaire was used to collect data from a sample of 150 male and female Saudi university students who were in the first year of their English language program at King Saud University. The study revealed that a variety of factors contribute to students' spelling mistakes, cutting across the educational system and university curriculum, students' learning attitudes, and English-Arabic linguistic interference. The study participants imparted their observations and experiences, and their responses assisted the researcher in categorizing their errors and in discovering reasons and solutions for their mistakes and errors. This helped a great deal in learning the plausible reasons for the spelling errors and in suggesting successful corrective strategies. The outcomes of this study are supposed to aid policymakers in taking the required steps to improve the learning experiences of Arab English learners and help teachers to aid and empower the language earners in avoiding common errors in spelling. This study advocates for a change in the way English is taught in Saudi schools, emphasizing the importance of spelling as a basis for English fluency. The study also proposes a few pedagogical strategies for the rectification of the spelling errors.