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Quick verdict: 3 days in London hits the iconic Tower of London + Westminster + British Museum + West End theatre + Borough Market. This itinerary uses Tube + walking. Built across 6 personal London trips.
The day-by-day plan
Day 1 — Westminster & South Bank
Begin in Westminster, where Big Ben and the Houses of Parliament anchor the riverbank. Pre-book Westminster Abbey online (adult entry roughly £27–31, about $35–40) and arrive near the 9:30 opening to beat the crowds around the Coronation Chair. Stroll up Whitehall past Downing Street and the Horse Guards to Trafalgar Square, then duck into the free National Gallery for a room or two of Turner and Van Gogh. Walk down The Mall to Buckingham Palace; the Changing of the Guard usually runs at 11:00 on select days, so check the schedule before committing. In the afternoon cross Westminster Bridge to the South Bank and amble past the London Eye. Insider tip — skip the pricey riverside chains and grab a proper pint and pie in a Victorian pub tucked behind the Abbey.
Day 2 — The City & Tower
Head east into The City, London’s ancient financial square mile. Start at St Paul’s Cathedral (adult entry about £26, roughly $34) and climb to the Whispering Gallery for skyline views. Cross the pedestrian Millennium Bridge over the Thames to Tate Modern, the free contemporary-art museum inside a former power station. Wander toward Borough Market for lunch — note the full market trades roughly Tuesday to Sunday (closed Mondays), so time your visit midweek and try a salt-beef bagel or a raclette toastie (a few pounds each). In the afternoon walk the river to the Tower of London; book online (adult admission around £34.80, about $44) to see the Crown Jewels and catch a Yeoman Warder tour. Finish at nearby Tower Bridge at dusk. Insider tip — take the Tube’s District or Circle line rather than a taxi; City traffic crawls.
Day 3 — Museums & West End
Devote the morning to the free British Museum in Bloomsbury (open daily 10:00–17:00, Fridays until 20:30); head straight for the Rosetta Stone and the Egyptian galleries before the tour groups arrive. Walk south through literary Bloomsbury to Covent Garden, where street performers fill the old market piazza and the Royal Opera House looms nearby. Grab lunch here or push into neighbouring Soho and Chinatown off Gerrard Street for dim sum or roast duck (a satisfying plate runs roughly £12–18, about $16–24). Spend the afternoon browsing the bookshops of Charing Cross Road and the toy-store windows of Regent Street, then wind down in the green expanse of St James’s Park or Green Park. Insider tip — a contactless card or phone taps you straight through Tube and bus gates with a daily fare cap, so skip buying paper tickets entirely.
What to book ahead + practical tips
Compare London tours and tickets →
Helpful Packzup guides
Common itinerary mistakes and smarter routing
Most wasted money in London comes from one fare habit: forgetting to tap out. On the Tube, Elizabeth line, DLR, Overground and National Rail you must tap in and out, and a missed tap-out charges the maximum incomplete-journey fare of roughly GBP 8. Use the same card or phone for every tap so your daily cap actually builds up; switching between an Oyster and a contactless card splits the total and you lose the cap. Oyster and contactless cost exactly the same per journey and hit the same cap, so contactless is usually the simpler choice.
Nearly every major sight sits in Zones 1 to 2, where the daily cap is GBP 8.90. One catch on contactless: the weekly cap runs Monday to Sunday only, so a trip starting midweek resets that Sunday night.
For sequencing, skip the 90-minute scrum at the Changing of the Guard unless it is a personal must. Trade it for a half day in Greenwich, where the Royal Observatory, the Meridian line and the Cutty Sark cluster within easy walking distance and the crowds thin out.
Frequently asked questions
Is 3 days enough for London?
Best London area to stay 3 days?
London 3-day budget?
Day trip from London in 3 days?
London 2026 – what’s new?
Updated 2026. Some links on Packzup are affiliate links.
Best time to visit London (real climate data)
Best months: June, July, August, September.
London’s warmest month is August (avg 23°C / 73°F), the coolest is January (low 2°C / 35°F). The wettest is October (112 mm) and the driest is April.
Source: Open-Meteo ERA5 climate normals (2019–2023). See the full month-by-month weather →
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Written by
John Morrison is the founder and lead travel writer at Packzup. Over the past decade he has explored destinations across Africa, the Americas, Asia, Europe, the Middle East, and Oceania — always self-funded, never on a press trip.