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

22 Mar - 16 Apr British Airways
24 Mar - 31 Mar British Airways
03 Mar - 16 Mar British Airways
03 Mar - 17 Mar British Airways
02 Mar - 18 Mar British Airways
22 Mar - 02 Apr British Airways
29 Mar - 13 Apr British Airways
31 Mar - 14 Apr British Airways
03 Mar - 08 Mar British Airways
04 Mar - 17 Mar British Airways
26 Mar - 03 Apr British Airways
18 Mar - 26 Mar British Airways
25 Mar - 07 Apr British Airways
19 Mar - 26 Mar British Airways
22 Mar - 05 Apr British Airways
04 Mar - 24 Mar British Airways
05 Mar - 12 Mar British Airways
29 Mar - 04 Apr British Airways
27 Mar - 04 Apr British Airways

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

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