AirHint found the following cheapest return flights from Los Angeles (LAX) to Lisbon (LIS) in October 2025 (see full year).

Return flights

07 Oct - 14 Oct	Air Canada
21 Oct - 28 Oct	Air Canada
06 Oct - 14 Oct	Air Canada
06 Oct - 13 Oct	Air Canada
05 Oct - 13 Oct	Air Canada
05 Oct - 17 Oct	Norse Atlantic Airways (UK)
05 Oct - 15 Oct	Lufthansa
01 Oct - 15 Oct	SWISS
20 Oct - 30 Oct	Aer Lingus
13 Oct - 27 Oct	SWISS
20 Oct - 02 Nov	Iberia
19 Oct - 02 Nov	Iberia
24 Oct - 01 Nov	TAP	direct
25 Oct - 01 Nov	Delta
25 Oct - 01 Nov	TAP	direct
27 Oct - 09 Nov	British Airways
24 Oct - 02 Nov	Norse Atlantic Airways

Also check the deals for one-way flights from Los Angeles to Lisbon in October.

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 Lisbon in October from $460

Return flights