Cheapest return flights from Los Angeles to Porto in September from 474€

AirHint found the following cheapest return flights from Los Angeles (LAX) to Porto (OPO) in September 2026 (see full year).

Return flights

23 Sep - 30 Sep Air Canada
22 Sep - 30 Sep Air Canada
15 Sep - 22 Sep KLM
11 Sep - 23 Sep Delta

Also check the deals for one-way flights from Los Angeles to Porto in September.

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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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