Cheapest return flights from Ontario to Lisbon in March from $458

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

Return flights

03 Mar - 11 Mar British Airways
22 Mar - 16 Apr British Airways
18 Mar - 25 Mar British Airways
29 Mar - 13 Apr British Airways
31 Mar - 15 Apr British Airways
31 Mar - 17 Apr British Airways
31 Mar - 21 Apr British Airways
31 Mar - 14 Apr British Airways
31 Mar - 16 Apr British Airways
31 Mar - 20 Apr British Airways
26 Mar - 03 Apr British Airways
31 Mar - 19 Apr British Airways
19 Mar - 26 Mar British Airways
19 Mar - 24 Mar British Airways
17 Mar - 23 Mar British Airways
10 Mar - 15 Mar British Airways
19 Mar - 29 Mar British Airways
05 Mar - 12 Mar British Airways
21 Mar - 28 Mar British Airways
20 Mar - 30 Mar British Airways

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

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