Save on flights for spring/late summer travel with the latest sale from Southwest.

Fares are valid for domestic travel from April 11 through June 14, and again from August 22 through November 1. International fares are valid for travel from April 18 through May 19, and again from August 15 through November 2. Travel to/from Puerto Rico is valid from September 6 through November 2.

Tickets must be booked by 11:59pm, April 6.

Please note, these fares are only available on Southwest.com. Other carriers regularly match these sale fares, so be sure to compare to find the best deal.

Fares are nonstop and include:

Baltimore to Atlanta $170 round-trip

Detroit to Atlanta $188 round-trip

Ft Lauderdale to Newark $168 round-trip

New York to Atlanta $208 round-trip

New York to Kansas City $240 round-trip

Newark to Austin $272 round-trip

Louisville to Orlando $252 round-trip

Providence to Ft Lauderdale $224 round-trip

Seattle to Las Vegas $210 round-trip

Charlotte to Nashville $104 round-trip

Detroit to Baltimore $248 round-trip

Philadelphia to Nashville $260 round-trip

Austin to Atlanta $288 round-trip

Chicago to Newark $172 round-trip

St Louis to Chicago $232 round-trip