Southwest is one of the best airlines in The United States that offers a lot to its customers as compared to other popular airlines. Which includes the cheapest flights, early bird check-in option, free baggage allowance, and no flight change or cancellation fees. Here we are going to talk about 10 best tips that you should know before flinging in Southwest flights and this will help you a lot to save more. 1. Get the Southwest companion passed this is a special pass that allows a companion to fly for free with you for up to two whole calendar years. You can change the companion up to three times per year. Now, in order to earn the companion pass, you're going to need one hundred qualifying flights or one hundred and ten thousand rapid rewards earned in a calendar year. Earning 110,000 rapid rewards may sound like a lot, but it's actually extremely easy. 2. Find the best Southwest credit card offers. We've seen offers ranging from twenty-five thousand poi...