Cheapest return flights from Los Angeles to Lisbon in September from $527

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

Return flights

21 Sep - 01 Oct Air Canada
28 Sep - 06 Oct United
21 Sep - 29 Sep SWISS
29 Sep - 13 Oct American Airlines
22 Sep - 28 Sep SWISS
15 Sep - 23 Sep United
23 Sep - 01 Oct Air France
23 Sep - 28 Sep Iberia
16 Sep - 24 Sep SWISS
14 Sep - 22 Sep SWISS
17 Sep - 25 Sep SWISS
20 Sep - 28 Sep SWISS
17 Sep - 24 Sep Turkish Airlines
27 Sep - 05 Oct SWISS
24 Sep - 02 Oct Iberia
03 Sep - 07 Sep Turkish Airlines
25 Sep - 03 Oct Royal Air Maroc
26 Sep - 04 Oct Air France
26 Sep - 04 Oct TAP direct
25 Sep - 03 Oct TAP direct

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

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