Same route, same dates, but two different ways to buy.
Using a 50% off promo code on Southwest.com, you'd pay $258 RT including taxes.
But Kayak says you'd have pay $400 with taxes. But only if you like paying more than you really need to.
All products and services mentioned on Airfarewatchdog are independently selected by our team of expert travelers. If you buy something through our links, we may earn an affiliate commission.