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What is a promo code?
A promotion code is a series of letters and/or numbers that allow Customers to receive a discount off of Southwest Airlines' published airfares.

When entering a promotion code, only fares valid for the promotion code entered will display on the following page.

We’re continuing to chart new territory.

Southwest Airlines® operates flights to international destinations in Mexico,
Central America, and the Caribbean. We’ve highlighted key differences between traveling domestically versus internationally on Southwest so you’ll have the full scoop before
you fly.

See where we fly.

  • Aruba
  • Belize
  • Cabo San Lucas/Los Cabos
  • Cancun
  • Grand Cayman
  • Havana
  • Liberia, Costa Rica
  • Mexico City
  • Montego Bay
  • Nassau, Bahamas
  • Puerto Vallarta
  • Punta Cana
  • San Jose, Costa Rica
  • Turks and Caicos

Check the travel policies.

International destinations have country-specific travel policies and restrictions unique to each destination. Learn more about the documentation required before you book and travel.

Download the Mobile Passport app.

Save time at U.S. Customs and Passport control checkpoints when you download the Mobile Passport app by Airside Mobile (available in select cities).