Warm winter destinations with no passport required

A passport takes weeks to get, costs money, and is the single most common reason a winter trip doesn’t happen. If yours has expired or never existed, the list of warm options is shorter than it should be — but it isn’t short.

Here’s what US citizens can actually reach without one.

The rules first

For US citizens, no passport is required for travel to US states and territories. That covers Puerto Rico and the US Virgin Islands, and of course Florida, Arizona, Hawaii, and Southern California.

You’ll still need government-issued photo ID for the flight, and since May 2025 that means a REAL ID-compliant licence or an acceptable alternative such as a passport card, military ID, or Global Entry card. Check the star on your licence before you book anything — this catches people at the airport.

Closed-loop cruises departing and returning to the same US port can sometimes be taken with a birth certificate and photo ID rather than a passport, but the rules vary by cruise line and itinerary. Verify with the operator directly rather than relying on any article, including this one.

The six

1. Puerto Rico — the best answer

Typical Jan high 83°F · Est. week for two $1,700

Full Caribbean weather, US dollars, US phone plans, and no passport. It’s also the most varied option here: Old San Juan, El Yunque rainforest, bioluminescent bays, west-coast surf, and Vieques and Culebra offshore.

The catch: rent a car. The island rewards moving around and San Juan’s beaches are decent rather than spectacular. Peak-season pricing arrives early because everyone else has noticed the no-passport thing too.

2. US Virgin Islands — the postcard one

Typical Jan high 84°F · Est. week for two $2,800

St. John is roughly two-thirds national park and its beaches are genuinely among the best in the Caribbean. St. Thomas has the infrastructure and the flights. St. Croix is quieter and cheaper.

The catch: expensive, and everything is imported so groceries and restaurants bite. Getting to St. John means a ferry from St. Thomas.

3. Phoenix / Scottsdale, Arizona — the reliable one

Typical Jan high 66°F · Est. week for two $1,000

The cheapest flights on this list and essentially zero rain days. Hiking, golf, spas, Sedona two hours north.

The catch: this is warm, not hot. Sixty-six degrees by day and mid-40s at night in January. Verify that any pool you’re counting on is heated — many aren’t.

4. South Florida & the Keys — the drivable one

Typical Jan high 77°F · Est. week for two $3,850 flying, far less driving

For much of the eastern US this removes the flight line entirely. Winter is when Florida becomes genuinely pleasant. The Keys are a slower, stranger, better trip than Miami.

The catch: winter is peak season and Keys accommodation books out early. Cold fronts push into the high 60s several times a winter. Keys beaches are poor — it’s a water and boating destination, not a sand one.

5. Maui or Oahu, Hawaii — the best weather

Typical Jan high 81°F · Est. week for two $5,900

Warm Pacific water in January, humpback whales in the channel December through April, and no passport. The best actual beach weather on this list.

The catch: the most expensive option here and a long flight from anywhere east of the Rockies. Winter is the wetter season on the north and east sides. Not worth it for under a week.

6. San Diego — the shoulder-season pick

Typical Jan high 66°F · Est. week for two $3,650

Included honestly rather than enthusiastically. San Diego in January is mild and pleasant, and the city is excellent — but it’s a sweater-in-the-evening destination, and the Pacific is cold year-round.

The catch: if you’re escaping winter specifically, this isn’t quite it. September and October are San Diego’s real answer.

If you’re getting a passport anyway

Worth knowing: a passport card costs substantially less than a book and covers land and sea entry to Mexico, Canada, and the Caribbean — though not air travel. If your plan is a cruise or a drive into Mexico, the card may be all you need.

Routine passport book processing typically runs several weeks, with expedited service faster for an added fee. Check current processing times on travel.state.gov before assuming — they move a lot with demand, and spring is the worst backlog.

If a warm trip in the next two months is the goal, Puerto Rico is the answer. It’s the only option here that gives you real Caribbean weather with zero paperwork.

Next

• Where is it warm in December?
• Where is it warm in November?