Up to 40% Off Southwest Fares!

Southwest Airlines is offering up to 40% off on select US flights, including trips to and from Hawaii and Puerto Rico, with the promotional code FLYWOW. This deal is valid for bookings made by June 11, 2026, for travel between August 4 and December 16, 2026.

The discount applies to a wide range of flights, with some blackout dates, but overall, this is a significant reduction on Southwest's fares for the specified travel window. The deal is especially valuable given the amount of coverage and the potential savings on popular destinations like Hawaii and Puerto Rico.

To redeem, simply enter the code FLYWOW during booking on southwest.com within the specified dates. The discount is calculated before taxes and additional fees, providing a great opportunity for travelers planning trips later this year.

Since the promotion offers up to 40% off, and the price text indicates a $40 average deal value, this is a highly attractive offer with substantial savings for many travelers. With the booking deadline set for June 11, this is a great chance for travelers to lock in lower fares for later in the year.