Book Last-Minute Southwest Airlines Flights can be a smart choice for travelers seeking flexibility and convenience. Southwest is known for its customer-friendly policies, including no change fees and two free checked bags, which are especially valuable for spontaneous trips. To find the best deals, it's recommended to check the airline's website frequently, as Southwest often releases unadvertised sales and discounted fares. Using the Low Fare Calendar tool can also help identify the cheapest days to fly. Signing up for the Rapid Rewards program is another way to earn points on flights, which can be redeemed for future travel, potentially offsetting the cost of last-minute bookings. Additionally, subscribing to fare alerts and following Southwest's social media channels can keep travelers informed about flash sales or special promotions. While last-minute bookings can sometimes be more expensive, Southwest's competitive pricing and flexible policies often make it a cost-effective option. Whether for business or leisure, securing a last-minute Southwest flight can provide peace of mind and great value, making it a popular choice among travelers.