Southwest Airlines: One Way Flights . As low as $49

Through June 7th, Southwest Airlines is offering flights for as low as $49 each way. 

Tickets are nonrefundable and a 21-day advance purchase is required. Discounted travel for the continental US and international flights is valid August 21st – December 12th, 2018. Blackout dates include August 31, September 3, and November 16-27, 2018.