Travelers looking to take advantage of the low-cost carrier's latest sale have until Thursday, March 5 at 11:59 p.m. PT to book the discounted seats.
The sale is valid for continental U.S. travel from March 24 through June 6, 2020; continental U.S. to/from Hawaii travel between March 24 and May 20, 2020; interisland Hawaii travel from March 24 through May 20, 2020; travel to/from San Juan, Puerto Rico between April 14 and May 14, 2020 and international travel from April 14 through May 14, 2020.
It should be noted that 21-day advance purchase is required and continental U.S. travel is blacked out Memorial Day weekend: May 21-22 and May 25, 2020.
As has been the case all year, customers will find the cheapest fares, starting from $39 one-way and $78 roundtrip on Southwest's interisland Hawaii routes such as Honolulu to Kona. However, travelers flying within the continental U.S. can still score fares as low as $54 one-way and $108 roundtrip.
Contact your travel advisor or visit Southwest.com to filter flight deals by your departure city.