[Expired]Southwest Airlines Select One-Way Airfares Travel to Select U.S.
- Southwest offers from $29 Select One-Way Airfares Travel to Select U.S.
- Must book by March 4, 2021, and travel between April 13-June 2, 2021 (for Continental U.S., San Juan, Puerto Rico, and international travel) and between April 13-May 26, 2021 (for Hawaii).