How to Earn the Southwest Companion Pass (2026 Guide): Fly 2-for-1 for Nearly Two Years

The Southwest Companion Pass is the best 2-for-1 flight deal in travel. With the limited time 100k Southwest credit card bonus (ends Sept 17, 2025), earning it has never been easier. I’ll walk you step by step through how to earn the Southwest Companion Pass using credit card welcome bonuses, Rapid Rewards points, and smart timing so you can unlock nearly two full years of buy-one-get-one-free flights.