20 August, 2025 Sadia Jabeen 2 Comments 1 category

When most people think of Southwest Airlines, they picture affordable flights within the United States. But what many travelers don’t realize is that Southwest has steadily expanded its network to include some incredible international spots as well. From the turquoise beaches of Mexico to the dense jungles of the Caribbean islands and Central America, the Southwest now connects travelers to a wide variety of destinations abroad. If you’ve ever wondered exactly where the airline might take you, here’s a complete guide to all Southwest Airlines international flight destinations.

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Why fly to the Southwest internationally?

Southwest Airlines is popular with international travelers for a few key reasons:

• No change fees: Travel plans can be relocated, and Southwest gives you the flexibility to adjust.
• Free baggage: Two checked bags are included, which is rare between airlines and suitable for family trips.
• Affordable fares: consistently the lowest in the market for international leisure routes.
• International routes operate through Houston, Baltimore, Fort Lauderdale, Denver, and other connecting airports.

These advantages make international flights with Southwest both stress-free and expensive.

Southwest Airlines plane flying over turquoise Caribbean waters with tropical islands below.

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Full List of Southwest Airlines International Flight Destinations

Southwest serves various destinations in Mexico, the Caribbean, Central America, and island territories. Below is the full list of cities you can reach:

• Aruba (AUA): A Caribbean favorite with near-constant sunshine, white-sand beaches, and water sports.
• Belize City, Belize (BZE): Gateway to the Belize Barrier Reef, Mayan ruins, and eco-adventures.
• Cabo San Lucas / Los Cabos, Mexico (SJD): Known for dramatic cliffs, whale watching, and luxury resorts.
• Cancún, Mexico (CUN): Famous for turquoise waters, lively nightlife, and nearby Mayan ruins.
• Grand Cayman (GCM): Home to Seven Mile Beach, Stingray City, and world-class diving.


• Havana, Cuba (HAV): Offers colorful streets, classic cars, and a vibrant cultural history (subject to government travel rules).
• Liberia, Costa Rica (LIR): The perfect base for exploring Costa Rica’s national parks, volcanoes, and beaches.
• Montego Bay, Jamaica (MBJ): Known for reggae, jerk chicken, and beautiful beaches.
• Nassau, Bahamas (NAS): Crystal-clear waters, luxury resorts, and a gateway to the Bahamian islands.
• Providenciales, Turks and Caicos (PLS): Stunning white-sand beaches, upscale resorts, and calm waters ideal for families.

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• Puerto Vallarta, Mexico (PVR): A cultural gem with cobblestone streets, art, and golden Pacific beaches.
• Punta Cana, Dominican Republic (PUJ): A top choice for all-inclusive resorts and long stretches of white-sand coastline.
• San José, Costa Rica (SJO): A bustling capital surrounded by mountains, coffee plantations, and rich history.
• San Juan, Puerto Rico (SJU): Combines U.S. territory convenience with Spanish colonial architecture and Caribbean beaches.
• Saint Thomas, U.S. Virgin Islands (STT): Starting February 2026, Southwest will begin flights to this island paradise known for snorkeling, sailing, and duty-free shopping.

Mexico: Strong International Network of the Southwest

Traveler relaxing on a beach chair in Cancún with Southwest Airlines jet visible in the sky.

It offers multiple routes to southwestern Mexico, making it one of the airline’s most accessible international regions. Whether you’re looking for nightlife in Cancun, a luxurious escape in Los Cabos, or culture in Puerto Vallarta, Mexico has something for every type of traveler.

Popular Mexico destinations include:

Cancun: One of the busiest leisure routes of the international network in the Southwest.
Los Cabos: dramatic scenery and an increasingly luxurious tourist scene.
Puerto Vallarta: A destination that blends authentic Mexican charm with resort-style comfort.

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Caribbean Adventure:

When travelers think of Southwest Airlines’ international flight destinations, the Caribbean immediately comes to mind. These routes are perfect for beach vacations, honeymoons, or winter escapes.

Key Caribbean routes include

Aruba: Constant sunshine and family-friendly resorts.
Montego Bay, Jamaica:  Lead-back vibes and vibrant local culture.
Grand Cayman: Diving, snorkeling, and beach relaxation.
Punta Cana, Dominican Republic: A hotspot for all-inclusive vacations.
Providences, Turks and Caicos: A new addition with world-class beaches.

Central America Connection:

Central America is increasingly popular for travelers looking to combine relaxation with adventure. Routes to the southwest make it easy to explore the lush landscapes and rich cultures.

Destinations include:

Belize City: The gateway to the islands and eco-tours of Belize.
Liberia, Costa Rica: Perfect for national parks and nature-based adventures.
San Jose, Costa Rica: A cultural center surrounded by mountain scenery.

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Island territories:

The Southwest Island also serves the region, which is technically an international style of travel but facilitates travel within the United States.

• SAN JUAN, Puerto Rico: No passport is required for U.S. citizens, yet it feels like an international escape.
• St. Thomas, U.S. Virgin Islands: Coming in February 2026, this new route will open up more Caribbean options for Southwest travelers.

✈️ Latest Southwest Airlines International Flight Deals

Here are some of the best current deals for popular Southwest Airlines international flight destinations.

🌴 Caribbean & Island Escapes

Destination ✈️Starting Price 💵Highlights 🌞
Nassau, Bahamas (NAS) 🏝From $69White-sand beaches & resorts
Montego Bay, Jamaica (MBJ) 🎶From $121Beaches, reggae & jerk chicken
Aruba (AUA) 🌺From $135Year-round sunshine & water sports

🇲🇽 Mexico Getaways

Destination ✈️Starting Price 💵Highlights 🌮
Cancún, Mexico (CUN) 🏖From $155Nightlife, beaches & Mayan ruins
Los Cabos (SJD) 🌊From $140Whale watching & dramatic coastlines
Puerto Vallarta (PVR) 🌅From $155Culture, cobblestone streets & sunsets

🌎 Central America & Beyond

Destination ✈️Starting Price 💵Highlights 🌋
San José, Costa Rica (SJO) 🌳From $99Rainforests, volcanoes & coffee culture
Liberia, Costa Rica (LIR) 🌋From $165Eco-tourism & national parks
Belize City (BZE) 🐢From $128Barrier Reef, diving & Mayan sites

Final Thoughts:

Southwest Airlines may have started as a low-cost carrier in the United States, but it now offers an impressive range of international flights. With destinations stretching from Aruba to San Juan and soon St. Thomas, the airline offers affordable access to the world’s most beautiful vacation spots.

The strengths of Southwest Airlines’ international flight destinations lie in their balance: sun-soaked beaches, cultural capitals, family-friendly resorts, and adventure-packed eco-destinations. Whether you want the turquoise waters of Cancun, the reggae rhythms of Jamaica, or the soothing landscapes of Costa Rica, the Southwest can take you there—while still offering free luggage, no change fees, and affordable rental signatures.

For travelers seeking value without sacrificing quality, Southwest Airlines’ expanded network of international flight destinations is a game-changer. With the addition of new routes such as St. Thomas, the opportunities for adventure only continue to grow.

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