Cheapest one-way flights from Ontario to London in January from 358€

AirHint found the following cheapest one-way flights from Ontario (ONT) to London (LGW) in January 2026 (see full year).

One-Way flights

13 Jan British Airways
16 Jan British Airways
17 Jan British Airways
31 Jan British Airways
18 Jan British Airways
11 Jan British Airways
20 Jan British Airways
15 Jan Iberia
08 Jan British Airways
06 Jan British Airways

Also check the deals for return flights from Ontario to London in January.

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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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