Spirit's card benefits come as the carrier is under financial strain. Last month, the airline filed for Chapter 11 bankruptcy protection and announced it would suspend operations in several U.S.

You can earn 120,000 Southwest Rapid Rewards points and a Companion Pass with one credit card welcome bonus. Here's how.

If you’re a frequent flyer on Southwest Airlines but don’t yet carry one of its credit cards, the latest elevated welcome ...

I flew round-trip from one Florida airport to another in a day to earn the Southwest Companion Pass — here's why.