Here is a nice sale where you can book all the way until September 27th, 2017 from Southwest. Fares start at only $39 one way. You need to book this deal by March 16, 2017, 11:59 p.m. in the respective time zone of the originating city. Make sure to use a card that will earn you bonus points on your airline purchase, like the The Platinum Card® from American Express which earns you 5X points for flights booked directly with airlines. Or consider the Premier Rewards Gold Card from American Express which earns you 3X points for flights booked with airlines!

Book by March 16, 2017 for:

• Domestic travel valid March 28, 2017 through June 14, 2017, and August 22, 2017 through September 27, 2017. Travel to/from San Juan, Puerto Rico valid April 18, 2017 through May 18, 2017, and September 6, 2017 through September 28, 2017.
• International travel valid April 18, 2017 through May 19, 2017, and August 15, 2017 through September 29, 2017.

Deal Alert Fares From $39 Into Fall

21-day advance purchase required. Fares not available to/from Portland, Maine. Domestic travel is valid only on Tuesdays, Wednesdays and Saturdays. Travel to Florida and Nevada and from Florida to Nevada is valid only on Sundays through Wednesdays. Travel from Florida and Nevada and from Nevada to Florida is valid only on Tuesdays through Fridays. Travel to/from San Juan, Puerto Rico is valid Monday – Thursday. International travel is valid Monday – Thursday. Travel to Cancun, Cabo San Lucas/Los Cabos and Puerto Vallarta is valid only on Sundays through Wednesdays. Travel from Cancun, Cabo San Lucas/Los Cabos and Puerto Vallarta is valid only on Tuesdays through Fridays. Travel to/from Mexico City; Liberia, Costa Rica and San Jose, Costa Rica is valid daily. Points bookings do not include taxes, fees, and other government/airport charges of at least $5.60 per one way flight. Restrictions and exclusions apply. Blackout dates apply. Nonrefundable. Select markets. Seats and days limited.

Bottom Line

Keep in mind that the points are also less with this sale so if you have a point redemption that you are looking to book, also check this out. This sale is good for travel all the way until September 27, 2017, with some exceptions so take a look at what you can book to save some money or points!