Porto at $731 RT

Ahoy, deal hunters! Porto's been spotted off the port bow.

We’ve got our sails set for Portugal’s scrappy second city—though don’t let the "second" fool you. With riverfront charm, world-famous wine, and golden sunsets over the Douro, Porto’s a first-class catch.

Shoulder season dates mean calmer seas (and quieter streets), so you can climb to bridge-top views without getting caught in a tourist regatta.

Now, batten down the hatches and pack light—this one’s worth the voyage :-)