Cheapest return flights from Ontario to Lisbon in January from $463

AirHint found the following cheapest return flights from Ontario (ONT) to Lisbon (LIS) in January 2026 (see full year).

Return flights

21 Jan - 28 Jan British Airways
28 Jan - 04 Feb British Airways
25 Jan - 31 Jan British Airways
19 Jan - 26 Jan British Airways
25 Jan - 03 Feb British Airways
20 Jan - 26 Jan British Airways
31 Jan - 09 Feb British Airways
22 Jan - 29 Jan British Airways
22 Jan - 17 Feb British Airways
18 Jan - 28 Feb British Airways
28 Jan - 07 Feb British Airways
17 Jan - 24 Jan British Airways
15 Jan - 22 Jan British Airways
16 Jan - 31 Jan British Airways
13 Jan - 21 Jan British Airways
24 Jan - 31 Jan British Airways

Also check the deals for one-way flights from Ontario to Lisbon in January.

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