If youre looking to take a trip in the coming months, you need to get over to Southwest Airlines ASAP. The mega popular airline is offering a MASSIVE saleβ¦ for a limited time only. From October 1st through October 3rd, Southwest is offering up to 40% off base fares as part of their WOW Week promotion. The fares — which be accessed by using the code SAVEWOW in the promo code box at checkout...