London essentials
- Country
- United Kingdom
- Airports
- Heathrow (LHR), Gatwick (LGW), Stansted (STN), Luton (LTN) and London City (LCY)
- Cheapest time to fly
- January to March and November (outside the holidays) are usually cheapest; summer and Christmas cost the most.
- From the airport
- From Heathrow, the Tube's Piccadilly line or the Elizabeth line cost far less than the Heathrow Express. Canadians need a UK Electronic Travel Authorisation (ETA) before flying.
- Time difference
- 5 hours ahead of Toronto (can shift by an hour when clocks change)
- Entry for Canadians
- Canadians need a UK Electronic Travel Authorisation (ETA), applied for online or in the UK ETA app, before travelling.
Entry rules change, so confirm on the Government of Canada travel advice page before you book.
Cheapest flights to London from Canada
Nonstop flights
- From Toronto: Air Canada, British Airways and Virgin Atlantic to Heathrow, and Air Transat to Gatwick
- From Montreal: Air Canada and British Airways to Heathrow, plus seasonal Air Transat flights to Gatwick
- From Vancouver: Air Canada and British Airways
- From Calgary: Air Canada and WestJet
- From Ottawa: Air Canada to Heathrow, plus seasonal Air Transat flights to Gatwick
- From Halifax: Air Canada to Heathrow, plus seasonal WestJet flights to Gatwick
Our guides for London
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London: common questions
When is the cheapest time to fly to London from Canada?
January to March and November (outside the holidays) are usually cheapest; summer and Christmas cost the most.
Which airport do you fly into for London?
Heathrow (LHR), Gatwick (LGW), Stansted (STN), Luton (LTN) and London City (LCY). From Heathrow, the Tube's Piccadilly line or the Elizabeth line cost far less than the Heathrow Express. Canadians need a UK Electronic Travel Authorisation (ETA) before flying.
Do Canadians need a visa for the United Kingdom?
Canadians need a UK Electronic Travel Authorisation (ETA), applied for online or in the UK ETA app, before travelling.
Which Canadian cities fly to London?
Viorvo tracks fares to London from Toronto, Montreal, Vancouver, Calgary, Ottawa, Edmonton, Winnipeg, Halifax. Each route page shows the lowest recent fares and the cheapest month.