London travel guide

The currency in London is the pound sterling (GBP). Prices on TripRadr for tours and activities are shown in Canadian dollars (CAD). Check the current exchange rate before you travel.

Greenwich Mean Time, with daylight saving: clocks change on the last Sundays of March and October. Toronto is on Eastern Time, so check the difference for your travel dates. Toronto changes its clocks in spring and autumn, so the gap can shift during the year.

There are 2 seasons to plan around in London. Best weather: May to September. Fewer crowds: November to March. Check the weather and any local events for your dates.

Major airports include London Heathrow (LHR), London Gatwick (LGW) and London Stansted (STN). Routes and flight times depend on the season and the airline. Check with the airline or travel site you book with.

The Government of Canada publishes travel advice and advisories for the United Kingdom. Check it before you book and again before you leave. The advice can change, so TripRadr links to it instead of repeating it.

TripRadr does not take bookings. The things-to-do section shows tours and activities from Viator when they are available for London. You book on Viator, and TripRadr may earn a commission.

The main language is English. Signs, menus and tours may also be available in English in places that welcome visitors. Learning a few local phrases is a polite way to start a conversation.

Popular things to do in London include visit the Tower of London, explore the British Museum, walk the Thames and see a West End show. The things-to-do section on this page shows tours and activities from Viator. Open one to see its details and price, then book on Viator.