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

Return flights

26 Oct - 04 Nov	British Airways
28 Oct - 06 Nov	TAP	direct
13 Oct - 27 Oct	SWISS
05 Oct - 15 Oct	SWISS
12 Oct - 24 Oct	Iberia
22 Oct - 27 Oct	Iberia
25 Oct - 01 Nov	Delta
29 Oct - 28 Nov	British Airways
11 Oct - 21 Oct	Iberia For Level
18 Oct - 21 Oct	Iberia For Level
01 Oct - 15 Oct	Iberia
01 Oct - 08 Oct	Iberia
05 Oct - 25 Oct	Iberia For Level
18 Oct - 25 Oct	Delta
30 Oct - 29 Nov	TAP	direct
30 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 419€

Return flights