Cheapest return flights from Los Angeles to Porto in December from 589€

AirHint found the following cheapest return flights from Los Angeles (LAX) to Porto (OPO) in December 2025 (see full year).

Return flights

28 Dec - 11 Jan KLM
04 Dec - 20 Dec Norse Atlantic Airways

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

Skyscanner

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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