Southwest Airlines: Select US Flights 40% Off Base Fare (travel 8/31/26 - 3/3/27)
at Southwest Airlines
Book Southwest flights by Aug 13, 2026 for 40% off base fares on travel through Mar 3, 2027.
Southwest Airlines is offering 40% off base fares for travel between August 31, 2027 and March 3, 2027. Book by August 13, 2026 to secure this discount. Restrictions, blackout dates, and seat/day/market limitations apply. If you have a companion pass promotion, the discount is automatically applied to your booking—do not rebook if you see your flight price lowered, as the discount will be reflected at checkout.
FAQ
When do I need to book this deal?
You must book by August 13, 2026 to receive the 40% discount.
When can I travel with this discount?
Travel must occur between August 31, 2027 and March 3, 2027.
Does this work with Southwest's companion pass promotion?
Yes, the discount is automatically applied if you have a companion pass promotion. Do not rebook if you see your flight price lowered—the discount will be reflected at checkout.
Are there any restrictions on this offer?
Yes, restrictions and blackout dates apply. Seats, days, and markets are also limited.
