Sagrada Família
Gaudí's still-unfinished basilica — book a timed entry and go when the afternoon light hits the stained glass.
Gaudí, the Gothic Quarter and the beach, all in one walkable day.
When to go: May–June & September — warm, sunny, fewer crowds than peak August.
Best places to visit
Must-see
Park Güell
Mosaic terraces above the city; the free zone has the best skyline view at golden hour.
Gothic Quarter
Medieval lanes, hidden squares and the cathedral — get lost on purpose, it's small enough.
La Boqueria
The Ramblas market: jamón, fresh juices and a counter lunch elbow-to-elbow with locals.
Bunkers del Carmel
Old civil-war bunkers turned the city's best sunset spot — bring a drink, skip the restaurant prices.
Barceloneta beach
City-edge sand for a swim between sights; the chiringuitos behind it do cheap seafood.
Plan your trip to Barcelona
WTFly finds the cheapest dates to fly there across a whole flexible window — then activities and a car to round out the trip.