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

Return flights

13 Jan - 20 Jan	TAP
15 Jan - 22 Jan	TAP
20 Jan - 27 Jan	TAP
22 Jan - 29 Jan	TAP
27 Jan - 03 Feb	TAP
29 Jan - 05 Feb	TAP
14 Jan - 21 Jan	Delta
21 Jan - 28 Jan	British Airways
28 Jan - 04 Feb	Iberia
07 Jan - 14 Jan	SWISS
19 Jan - 26 Jan	SWISS
18 Jan - 25 Jan	Delta
06 Jan - 13 Jan	Air France
25 Jan - 01 Feb	British Airways
30 Jan - 06 Feb	Iberia
31 Jan - 07 Feb	Scandinavian Airlines

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

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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Cheapest return flights from Los Angeles to Porto in January from $552

Return flights