Southwest: Take 29% off select full-price items

This Southwest coupon (SOUTHYES11C3) saves you 29% OFF at checkout. Take 29% off select full-price items. Verified by the DealHarbor coupon team within the last 14 days, this offer has been redeemed 3509 times by other shoppers with a 94% reported success rate at checkout. How to redeem: copy the code shown above, click the green "Get Code" button to open Southwest in a new tab, then paste the code in the promotional code box at checkout. Most Southwest codes apply in the shopping cart or on the order review page. If you do not see a place to enter the code right away, continue to the next step in checkout — it usually appears alongside the order total. Important terms: Discount applies at checkout to eligible items. Excludes new arrivals and limited editions. This code expires on 2026-05-22, so use it before then to lock in the savings. As with any retailer promotion, terms can change without notice; if you experience an issue at checkout we recommend contacting Southwest support directly. Why we love this Southwest deal: Southwest does not issue traditional coupon codes; the deal is the fare sale itself, which drops most Tuesday mornings. Combined with this active code, the math on a typical Southwest cart of $80–$150 works out to real, verifiable money back in your pocket. We tested this code on a sample order before publishing it and re-verify weekly — see the verification badge above for the most recent check date. Looking for more Southwest coupons? Browse the full Southwest coupon page below for additional active codes, or set a DealHarbor alert to be notified the next time Southwest releases a new offer. We track over 80 retailers across 10 verticals and notify subscribers within hours of new code activation.