The term "free flights" refers to air travel that is provided without any cost or charge. This means that the passenger does not have to pay for their ticket, and all expenses related to flying are covered by someone else. Free flights can be offered as a reward, prize, promotion, or incentive, and may be available through various programs such as frequent flyer miles, travel rewards credit cards, airline promotions, or other special offers. In some cases, free flights may also refer to charitable organizations that provide complimentary air travel for individuals who cannot afford it due to medical reasons, military service, or other circumstances. Overall, the phrase "free flights" indicates an opportunity to fly without incurring any financial cost.