These cost nothing and carry a full day each. Build around them and the paid tickets become optional extras instead of a budget drain.
Cathedral Square and the Bell Tower
FreeTipThe neoclassical Cathedral and its wide square are free to enter and open daily, and the free-standing Bell Tower alongside is one of the oldest structures in the city; you can climb it for a small fee for a view down the square. Look for the Stebuklas, the single tile marking the spot where the 1989 Baltic Way human chain to Tallinn began, and make a wish by turning on it as locals do.
Gediminas Castle Tower
FreeTipThe red-brick tower on the hill above Cathedral Square is the classic old-town viewpoint, reached by a short steep climb of about ten minutes or a funicular that runs from behind the Applied Arts museum for a couple of euros. Go up for sunset over the red roofs and the spires, and pay the small entry if you want the little museum and the open top platform.
Hill of Three Crosses
FreeTipThe white crosses on this wooded hill in Kalnai Park are free and open at all hours, reached by a fifteen-minute uphill walk on stepped paths from the Bernardine Gardens side. It gives the widest free panorama over the old town, best in the last hour of light, so bring water for the climb and wear grippy shoes as the paths get muddy after rain.
Vilnius University and St Johns' Church
FreeTipFounded in 1579, this is one of the oldest universities in eastern Europe, a warren of thirteen linked courtyards you enter through the gate on Universiteto street for a small ticket, cheaper if you skip the bell tower. Pay the extra to climb the St Johns' Church tower for a view over the courtyards, and look into the frescoed church interior and the vaulted Litteraria bookshop while you are inside.
St Anne's and the Bernardine Church
FreeTipThis slender red-brick Gothic gem is the one Napoleon supposedly wanted to carry back to Paris on the palm of his hand, and it is free to step inside outside Mass times. Pair it with the larger Bernardine church right beside it, which hides faded medieval frescoes, then walk straight on into the Bernardine Gardens behind for the best angle on both facades.
TipThe last surviving city gate holds a chapel above the arch with a gold-clad icon of the Virgin drawing pilgrims from across the region, and it is free and open daily; reach it up the stairs from the shop beside the gate. Cover shoulders and keep quiet as this is an active shrine, and combine it with the pink Orthodox Church of the Holy Spirit and St Teresa's church a few steps north.
Church of St Peter and St Paul
FreeTipA plain facade in the Antakalnis district hides one of the great baroque interiors of Europe, worked over with some 2,000 white stucco figures across the ceilings and walls, and it is free to enter daily. Look up for the boat-shaped glass chandelier and give it a good half hour; it sits a fifteen-minute walk or a short bus ride northeast of the old town, so pair it with the Three Crosses hill.
Bernardine Gardens and the Vilnia River
FreeTipThis restored park behind St Anne's is free and open daily, with lawns, a fountain, a botanical section and the Vilnia river running along its edge toward Uzupis. It is the best green break in the old town and the natural staging point for the climb up to the Three Crosses, so bring a coffee and use it to link the Gothic churches with the hill.
TipThis short cobbled lane between the university and Uzupis is covered on one side by an open-air gallery of small artworks, each a tribute to a writer with a link to Vilnius, and it is free to walk at any hour. It takes only a few minutes but rewards a slow look, so catch it in daylight for the details and use it as the pretty shortcut between the old town and the river.