Southwest Airlines – Four Days Sale Starting from $49 OW – Book by May 18

Southwest Airlines is having a sale for 4 days only where one-way flights will be as low as $49, $79, $99 or $149. Seats and days are limited in select markets.
Southwest Airlines
Book by May 18, 2018
Advance Purchase: 21 Days
Nonrefundable. Seats, travel days, and markets limited. Fares not available to/from Portland, ME. Domestic travel valid 6/5/18 – 10/31/18. Points bookings do not include government fees from $5.60 per one-way flight.