Find cheap international flights to tropical and beach destinations

Book Southwest flights to Mexico, Central America, and the Caribbean.

It's just a hop, skip, and a jump to sea, sun, and sand.

Whether you're craving an under-the-sea scuba adventure amongst coral reefs, to traverse the remains of indigenous civilizations, or to take in the best of everything a modern city with ancient roots has to offer, you'll find a flight to your next adventure with us. Explore some of our most popular international destinations in Mexico, Central America, and the Caribbean.

Featured Destination

St. Thomas*

Set your sights on the jewel of the U.S. Virgin Islands—St. Thomas. From the vibrant streets of Charlotte Amalie to panoramic views atop Drake’s Seat, this island blends postcard-perfect beaches with rich Caribbean history. Make time to unwind by the turquoise waters, then dive into adventure both on and off the shore.

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*Service starts February 5, 2026.

Flights to The Caribbean

Island hopping awaits. Underwater adventures, mountain views, diverse cultural influences, and more are at your fingertips—or just dig your toes into the white sand beaches.

*Service starts February 5, 2026.

Flights to Mexico

It doesn't matter if you're planning to soak up the sun and surf or dive into urban nightlife, visiting Mexico with Southwest is as easy as saying ¡Hola!

Flights to Central America

Backpacking opportunities and beaches abound on the Central American subcontinent—so do rich cultural experiences, ancient landmarks, and so much more.

Join Rapid Rewards, our award-winning frequent flyer program.

Southwest Rapid Rewards® lets you use your points on any flight², any day, any time, which means you can turn your points into a reward flight. Sign up and see why we've been named the best rewards program four years in a row³. Points that actually reward you with island getaways, that's Southwest Rapid Rewards.

100% reward availability⁴. As reported in the CarTrawler Reward Seat Availability Survey, May 16, 2019, and Switchfly Reward Seat Availability Surveys 2010 - 2019, at IdeaWorksCompany.com.

You can use your points to book any seat, on any flight, no exceptions. Any day, any time, any flight, your points are ready to take you to paradise.

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No blackout dates.

If there's a seat available on a Southwest flight, you can use your points. It's that easy. So no matter when you want to get tropical, you can use your points to get you there. As long as we have a spot available on a flight, you can book it with your Southwest Rapid Rewards points.

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Your points don't expire.Points don't expire.

No matter when you earn them, they'll be there for you to redeem on your flight to our tropical destinations or anywhere else you want to go.

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Rapid Rewards.
Rapid redemption.

You can earn points on qualifying flights⁵ and on everyday purchases with our partners, which makes getting to our tropical destinations easy. And our reward flights are based on our low fares, so the lower the fare, the fewer points you have to use. It's almost like we want you to have the vacation of a lifetime.

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More points for whenever you wanna.

Earn more with the Rapid Rewards® Plus Credit Card. You'll enjoy:

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3,000 anniversary points every year
2X points on Southwest purchases and 2X points on rideshare
1X points that count towards Companion Pass^® on all purchases

International travel tips

If you're new around here, we're so happy to have you. Flying with us is easy and fun—this guide is your one-stop shop for doing things the Southwest way.

We'll be waiting to welcome you with free snacks and countless smiles, so we want to get you onboard as quickly and smoothly as possible!

Our tropical destinations have country-specific travel policies and restrictions unique to the destination. Here's a list of documentation required to check out before booking & traveling.

The check-in process is a little bit different for international travel. Learn more here.

The U.S. Customs and Border Protection allows expedited clearance for pre-approved, low-risk travelers upon arrival. If you'd like to breeze through security a little easier, you may be interested in Global Entry. You can apply here.

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

¹Our tropical destinations have country-specific travel policies and restrictions unique to the destination. Here's a list of documentation required to check out before booking & traveling.
²Due to licensing restrictions, free live TV may not be available onboard WiFi-enabled international flights.
³2016-2019 Freddie Awards
⁴As reported in the CarTrawler Reward Seat Availability Survey, May 16, 2019, and Switchfly Reward Seat Availability Surveys 2010 - 2019, at IdeaWorksCompany.com.
⁵Points can be earned from (a) Qualifying Flights (defined below) operated by Southwest, or (b) through qualifying purchases with our Rapid Rewards partners. For flights completed on or before 2:59 AM Central Standard Time (“CST”) on 1/1/25, “Qualifying Flights” include flights operated by Southwest Airlines^® and paid entirely with dollars, Southwest LUV Vouchers^®, gift cards, or flight credits and with no portion of the purchase price paid with Rapid Rewards points or Rapid Rewards Business points. For flights completed on or after 3:00 AM CST on 1/1/25, “Qualifying Flights” include flights operated by Southwest Airlines^® and paid entirely with dollars, Southwest LUV Vouchers, gift cards, or flight credits and those paid with Cash + Points. NOTE: With a Cash + Points booking, points are earned only on the portion of the base fare that is paid with dollars. Qualifying Flights exclude reward flights, charter flights, nonrevenue travel, and Companion Pass travel. All Rapid Rewards rules and regulations apply and can be found at Southwest.com/rrterms.