Cheapest return flights from Ontario to Porto in July from 1,732€

AirHint found the following cheapest return flights from Ontario (ONT) to Porto (OPO) in July 2026 (see full year).

Return flights

01 Jul - 16 Jul British Airways
04 Jul - 10 Jul British Airways
02 Jul - 10 Jul British Airways
05 Jul - 10 Jul British Airways
01 Jul - 10 Jul British Airways
01 Jul - 09 Aug British Airways
26 Jul - 09 Aug British Airways
30 Jul - 15 Aug British Airways

Also check the deals for one-way flights from Ontario to Porto in July.

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