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

Fares are valid for domestic travel from March 14 through June 14. International fares are valid for travel from April 18 through May 19. Travel to/from Puerto Rico is valid from April 18 through May 18.

Tickets must be booked by 11:59pm, March 2.

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:

Atlanta to Tampa $224 round-trip

Baltimore to Tampa $236 round-trip

Ft Lauderdale to Newark $164 round-trip

Louisville to Orlando $252 round-trip

Orlando to Washington DC $138 round-trip

Denver to Minneapolis $252 round-trip

Denver to Las Vegas $224 round-trip

Denver to Seattle $286 round-trip

Burbank to Las Vegas $182 round-trip

Atlanta to Raleigh-Durham $144 round-trip

Charlotte to Nashville $104 round-trip

Chicago to Pittsburgh $244 round-trip

Chicago to Washington DC $204 round-trip

Houston to Nashville $260 round-trip

Milwaukee to New York $202 round-trip

Austin to Seattle $274 round-trip