Southwest’s limited-time promotion discounts fall and winter travel throughout the U.S., the Caribbean, and Latin America. Flights start as low as $49 each way.
Domestic travel at the lowest price is valid between September 18, 2018, and March 6, 2019. Travel at the sale price is not valid on Fridays or Sundays; November 20, 21, 24 through 26; December 21 through 23, 26, 27, 29, 30; or January 1 or 2. Book domestic travel at least 14 days in advance, and by 11:59 p.m. on September 20 for the best prices and availability.
International travel at the lowest price is valid Mondays through Thursdays between September 25 and December 12 and again between January 8 and March 6. Departure travel at the sale price is not valid between November 16 and 18; return travel at the sale price is not valid between November 23 and 26. Book international travel at least 21 days in advance, and by 11:59 p.m. on September 20 for the best prices and availability.
Additional rules and restrictions may apply.
Southwest’s advertised one-way fares include:
- $49 – Long Beach to/from Las Vegas
- $89 – Washington, D.C., to/from Atlanta
- $99 – St. Louis to/from Denver
- $99 – Tampa to/from Havana, Cuba
- $107 – San Diego to/from Los Cabos, Mexico
- $128 – Houston to Belize City, Belize
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