https://www.goodreads.com/quotes/13689286-is-it-cheaper-to-buy-a-spirit-airlines-ticket-at https://www.goodreads.com/quotes/13689295-spirit-deal-is-it-cheaper-to-buy-a-spirit-airlines https://www.goodreads.com/quotes/13689317-cheap-deal-is-it-cheaper-to-buy-a-spirit-airlines-ticket