Southwest Airlines launched its first-ever nonstop service to the U.S. Virgin Islands earlier in 2026, ending a three-year stretch without a single new route on its map. St. Thomas (STT) became the airline's ninth Caribbean destination and its first new pin since Syracuse in late 2021, a milestone Southwest itself framed as the start of a renewed growth phase rather than a one-off addition.

Quick Answer

Southwest now flies nonstop to Cyril E. King International Airport (STT) on St. Thomas from Baltimore/Washington International (BWI) and Orlando International (MCO), with service that began in early 2026. Award pricing tracks cash fares on Southwest's revenue-based Rapid Rewards chart, which has historically returned about 1.2 to 1.4 cents per point on Wanna Get Away fares.

What Southwest Announced and What's Now Operating

Southwest first revealed the U.S. Virgin Islands route in July 2025, then opened bookings later that year ahead of the early-2026 launch. As of May 2026, BWI–STT and MCO–STT are both operating on Boeing 737-800 service, with frequencies ramping seasonally around peak Caribbean demand. Schedules and aircraft assignments should be confirmed on Southwest.com before booking, since the airline regularly adjusts cadence on new routes during the first six to twelve months.

The carrier's last new destination before STT was Syracuse Hancock International Airport (SYR), added during the pandemic in late 2021. Southwest later trimmed its map, including exiting Syracuse, which is why the St. Thomas addition closes a roughly three-year stretch without route growth. CEO Bob Jordan tied the move to a broader operational reset that also includes assigned seating and a premium cabin product rolling out across the fleet.

Where St. Thomas Fits in Southwest's Caribbean Network

St. Thomas is Southwest's ninth Caribbean destination, joining:

  • Aruba
  • The Bahamas (Nassau)
  • Cayman Islands (Grand Cayman)
  • Cuba (Havana)
  • Dominican Republic (Punta Cana)
  • Jamaica (Montego Bay)
  • Puerto Rico (San Juan)
  • Turks and Caicos (Providenciales)

Most of those routes are anchored at MCO, which has become Southwest's de facto Caribbean gateway. BWI has played a similar role for East Coast flyers. Adding STT to both hubs follows the same playbook: pair a high-volume leisure base with a near-international beach destination, then let the airline's two-bag policy and same-day change flexibility do the marketing.

A practical detail for U.S. travelers: St. Thomas is part of the U.S. Virgin Islands, so a passport is not required for entry. That removes a friction point that often pushes casual leisure travelers toward domestic Florida or Mexican alternatives.

The Points Math on STT Flights

Southwest's Rapid Rewards program is revenue-based, which means award prices move with cash fares rather than sitting on a fixed regional chart. On most domestic and near-international routes, including the Caribbean, redemptions have historically settled around 1.2 to 1.4 cents per point on Wanna Get Away fares as of May 2026.

A few practical implications for the new STT routes:

  • When cash fares dip into the low $200s round-trip out of BWI or MCO during shoulder season, expect award prices to land roughly in the 14,000 to 18,000 Rapid Rewards point range each way. Higher peak fares scale up proportionally.
  • Because awards track cash prices, there is no fixed sweet spot to exploit, but there is also no surprise inflation when revenue demand is moderate.
  • Southwest awards still come with two free checked bags and no change fees, which carry real value on a vacation booking where plans shift.

For travelers building a balance specifically for these routes, a Chase-issued Southwest card such as the Southwest Rapid Rewards Priority earns 3x on Southwest purchases and includes a 7,500-point anniversary bonus. Cardholders who hit Southwest's elite-spend thresholds also see Companion Pass progress accelerated, which is where the STT route gets interesting for two-person travel (more on that below). Rates and benefits are accurate as of May 2026.

For broader Caribbean planning where you'd want flexible points rather than airline-specific ones, the Chase Sapphire Preferred transfers Ultimate Rewards to Southwest at a 1:1 ratio, giving you a path to top up a Rapid Rewards balance from a more general earning card.

The Companion Pass Angle

The Southwest Companion Pass is the lever that makes STT genuinely interesting for couples and families flying together. A pass holder can bring one designated companion on any Southwest flight, paid or award, for only the taxes and fees, which on a U.S.-territory route like STT typically runs under $30 round-trip per person.

In practice, that turns a 30,000-point round-trip award out of BWI or MCO into a two-passenger trip for the same 30,000 points plus a small cash component. There is no peak-date blackout and no separate award inventory to hunt for; if the primary booking goes through, the companion gets on the same flight. For readers who already earn toward Companion Pass through everyday card spend and Southwest flying, the new STT routes immediately become one of the most accessible warm-weather redemptions in the program. The full earning playbook lives in our Southwest Credit Cards and Companion Pass guide.

What This Signals About Southwest's Strategy

For three years the Southwest route map only contracted. STT is the first reversal of that trend, and management has said two more new destinations will follow before the end of 2026, though those cities have not been publicly named. Pairing route growth with the rollout of assigned seating and a premium cabin gives Southwest a genuinely different product than the one most readers remember from 2021.

The bottom line for travelers: a new low-cost nonstop option to one of the few passport-free Caribbean islands, priced on a revenue-based award chart that tends to deliver around 1.2 to 1.4 cents per point. For Companion Pass holders, the math gets meaningfully better. For everyone else, it's one more reasonably priced way to get to the beach.

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