Boston's reputation for walkability undersells what it means for a plan. The distances here are so short that the subway often costs more time than it saves: from the Public Garden to the near edge of the North End is a little over half an hour on foot, and most of that walk is the good part of the day. Visitors who schedule Boston the way they would schedule a larger city - one neighbourhood in the morning, a train, another in the afternoon - spend an hour underground crossing ground they could have covered above it in twenty minutes.
So the route below is built as loops rather than as a list of sights. Each day starts somewhere easy to reach, walks a continuous circuit, and finishes without retracing itself. The handful of rides in it are the ones that buy something a walk cannot.
How many days Boston is worth
Three days is the honest floor, and it is genuinely enough. Three gets you the colonial core and the North End, Beacon Hill and Back Bay, and the two museums in the Fens, at a pace that still leaves time to sit down.
Four is the number to aim for, and the fourth is the day people talk about afterwards, because it crosses the Charles into Cambridge - a different city with a different temperature. It is also the first thing to fall off a three-day plan.
Five only makes sense if you leave town. Salem, Concord, or the harbour islands in summer. A fifth day spent inside Boston starts to repeat itself.
Two days is a squeeze rather than a disaster, provided you accept the trade: do day one and day two below and write the museums off entirely, rather than half-doing them.
Settle four things before you start
Tuesdays and Mondays decide your museum day. The Museum of Fine Arts and the Isabella Stewart Gardner Museum both close on Tuesdays. The Institute of Contemporary Art in the Seaport closes on Mondays. USS Constitution is generally open Tuesday to Sunday. If your trip contains a Tuesday, that is the day for Cambridge or the harbour, not the Fens. Getting this single thing right rescues more of a short trip than any other piece of planning.
Work out whether you need a transit pass at all. A single subway ride runs around USD 2.40 and buses less; a one-day pass is about USD 11 and a seven-day pass about USD 22.50 at the time of writing, which means the weekly pass only pays for itself at roughly two rides a day. On this itinerary you will not always reach that. Load stored value onto a CharlieCard at any station machine and decide by day three.
Coming in from Logan is free in one direction. The Silver Line SL1 bus leaves the lower-level curb at every terminal roughly every ten to twenty-five minutes and runs inbound to South Station at no charge, with a free transfer to the Red Line - about twenty minutes to downtown. Going back out to the airport, you pay. The alternative is the free Massport shuttle to Airport station on the Blue Line, slower, but better if you are staying near the waterfront or the North End.
Where you sleep matters more than usual, because all four loops begin near the middle. Back Bay and Downtown put you inside the route. The Seaport is newer and glassier and a long walk from the historic core. Cambridge is cheaper outside term dates but adds a river crossing to every morning. Rates swing hard with the academic calendar - expect to pay noticeably more around late-May commencement and early-September move-in week.
Day one: the Common to Charlestown, home by boat
Start on Boston Common at the Park Street corner, early. Give the State House and its gilded dome five minutes from the outside rather than queueing for the free interior tour on a first morning, then walk downhill into the old financial district. The Granary Burying Ground holds the headstones of Paul Revere and John Hancock among a few thousand others and takes fifteen minutes. The Old State House, a small red-brick building now marooned in traffic, has a museum inside worth about forty. Faneuil Hall stands behind it; Quincy Market turned two hundred in 2026 and is partway through a phased repair programme, with granite cleaned and pavers reset, so expect hoarding in places. It stays open throughout. Look at it, buy nothing, and keep walking, because the food is better three minutes north.
Cross the Rose Kennedy Greenway - the ribbon of parks that replaced the elevated expressway - into the North End. The neighbourhood is compact enough to walk end to end in a quarter of an hour. The Paul Revere House on North Square is the oldest surviving house in downtown Boston and takes about twenty minutes inside; Old North Church, up the hill, takes roughly the same.
For lunch, understand the queue before you join it. Neptune Oyster, on Salem Street, has operated as a walk-in for most of its life with no reservations and a room of about forty seats; regulars advise arriving two hours before you want to eat, three at dinner, and you should expect to pay somewhere around USD 30 to USD 50 a head for a lobster roll and a plate of oysters. Check the current policy before you build a day around it. If standing is not the plan, the original Regina Pizzeria room in the North End and Giacomo's are sturdier options, and the long-running argument between Mike's Pastry and Modern Pastry is one to settle personally, in a single afternoon, with a cannoli from each.
Climb to Copp's Hill Burying Ground for the view over the water, then walk the bridge across to Charlestown. The Navy Yard holds USS Constitution, which the US Navy describes as the oldest commissioned warship still afloat. Boarding is free, generally Tuesday to Sunday, and you will need photo identification because she is an active naval vessel. The museum alongside asks for a suggested donation. Ten minutes uphill stands the Bunker Hill Monument: free, 294 steps, no lift, and the reason to have worn real shoes.
Then the part most visitors miss. Rather than walking back the way you came, take the Charlestown ferry from the Navy Yard pier to Long Wharf. It costs roughly what a subway ride costs, give or take a dollar or two, takes about ten minutes, and hands you the skyline from the water at the hour when the light is worth having. You land beside the New England Aquarium with the whole harbourfront to walk home along.
Day two: Beacon Hill, Back Bay and the building nobody plans for
Beacon Hill rewards an early start, because it is residential and the lanes are narrow. Acorn Street - cobbled, photographed constantly - is pleasant at breakfast time and impossible by mid-morning. Work down to Charles Street for the antique shops and coffee, and give the north slope an hour: the Museum of African American History occupies the African Meeting House, the oldest surviving Black church building in the United States, and the Black Heritage Trail links the sites around it.
Drop into the Public Garden. The Swan Boats run from around mid-April to roughly the first week of September, are pedal-powered, have been in the family that runs them since the 1870s, cost around USD 5, last about fifteen minutes, and do not operate in rain or high wind. They are unashamedly gentle and worth doing anyway.
Walk west along the Commonwealth Avenue Mall, the tree-lined central strip that is the most Parisian thing in the city, with Newbury Street a block north when you want shops. That delivers you to Copley Square, Trinity Church on one side - a modest admission, around USD 10, for the self-guided visit - and on the other the McKim building of the Boston Public Library.
Plan for this one. Free art and architecture tours leave from the Dartmouth Street vestibule most days, currently weekday afternoons, one Thursday evening and late-morning slots on Friday and Saturday, and they cover the Abbey Room with its Holy Grail murals, the Sargent Gallery, the Italianate courtyard and Bates Hall, the barrel-vaulted reading room with the green lamps. Check the day's schedule before turning up. It costs nothing, and it is the part of Back Bay people write home about.
If you want height, View Boston at the top of the Prudential Tower is the current observatory; expect to pay somewhere around USD 35 to USD 45 and go towards dusk. Otherwise finish along the Charles River Esplanade, which runs for miles and is where the city goes to walk off its day.
Day three: the Fens - two museums, a ballpark, and a warning
The warning first: do not attempt the Museum of Fine Arts and the Gardner properly on the same day. They are a ten-minute walk apart and completely different appetites, and people who try to do both leave having enjoyed neither.
The Isabella Stewart Gardner Museum is a Venetian-style palace built around a glassed courtyard, hung exactly as its founder left it because her will requires it, with the empty frames from the 1990 theft still on the walls. Ninety minutes is about right. It closes on Tuesdays, uses timed tickets, and at the time of writing admits everyone free on Thursday evenings, with those tickets released a couple of days ahead. The museum has also long admitted anyone named Isabella without charge.
The MFA is the encyclopaedic one, and the Art of the Americas wing is what most people come for. Expect to pay around USD 30, allow half a day minimum, and note that it stays open late on Thursdays and Fridays, which is the civilised way to do it.
Fenway Park tours run hourly through the day, year-round apart from a few holidays, and cost roughly USD 25 to USD 40 depending on the version. In season they sell out days ahead around home games - and if the Red Sox are playing, a bleacher seat can cost less than the tour and shows you more. Between the museums and the ballpark sit the Back Bay Fens and the Kelleher Rose Garden, part of Olmsted's Emerald Necklace and a good place to stop moving for twenty minutes.
For dinner, Lansdowne Street behind the ballpark is loud and fine. Time Out Market Boston in the Fenway came close to shutting in January 2026 and was taken over by the building's owners instead, so it is trading - but confirm before you build an evening around it.