Southwest Nationwide Airfare Sale: Select One Way Flight from $49

Book by 9/20. 14-day advance purchase required. Nonrefundable. Seats, travel days, and markets limited. Blackout dates apply. Domestic travel valid 9/18/18 – 3/6/19. Travel to/from San Juan, Puerto Rico valid 9/18/18 – 12/6/18, and 1/14/19 – 2/28/19. Points bookings do not include government fees from $5.60 per one-way flight.