Southwest Airlines: Get Companion Pass (Valid 8/10 – 10/7/2026) Free w/ Round Trip Flight Purchase (Book by 2/5, Travel by 3/31/26)

Register for this promotion, then book your flight and travel by March 31, 2026. Southwest Airlines Companion Pass: Get Companion Pass (Valid 8/10 – 10/7/2026) Free with Round Trip Flight Purchase (Book by 2/5, Travel by 3/31/26). Ends Thursday February 5, 2026. Travel by March 31, 2026. Companion Flies Free August 10-October 7, 2026. Just Pay Taxes & Fees for Companion From $5.60 one-way. Promotional Companion Pass® Terms and Conditions: Register for this promotion, then book one qualifying round trip or two qualifying one-way Southwest® flights between 8:00 a.m. Central Time (CT) on February 2, 2026 and 11:59 p.m. CT on February 5, 2026 (the Promotion Period) for travel between February 2 and March 31, 2026 (the Travel Period), and fly during the Travel Period to earn a promotional Companion Pass® valid for use between August 10, 2026 and October 7, 2026.