Cheapest one-way flights from London to Toronto in December from 483€

Best time to book flights for London (LCY) to Toronto (YYZ) flights at AirHint

AirHint found the following cheapest one-way flights from London (LCY) to Toronto (YYZ) in December 2025 (see full year).

One-Way flights

03 Dec KLM
05 Dec ITA Airways
09 Dec Lufthansa
06 Dec SWISS
14 Dec Aer Lingus
21 Dec LOT
26 Dec SWISS

Also check the deals for return flights from London to Toronto in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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