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

Return flights

10 Mar - 19 Mar	Lufthansa
01 Mar - 10 Mar	SWISS
03 Mar - 10 Mar	SWISS
02 Mar - 10 Mar	Lufthansa
10 Mar - 16 Mar	Air France
01 Mar - 09 Mar	SWISS
06 Mar - 16 Apr	American Airlines
07 Mar - 14 Mar	Lufthansa
04 Mar - 09 Mar	Lufthansa
12 Mar - 18 Mar	Lufthansa
11 Mar - 16 Mar	KLM
31 Mar - 14 Apr	Delta
25 Mar - 13 Apr	Delta
25 Mar - 07 Apr	Delta
21 Mar - 07 Apr	British Airways
29 Mar - 13 Apr	British Airways
29 Mar - 06 Apr	Delta
19 Mar - 03 Apr	Delta
31 Mar - 11 Apr	Turkish Airlines
28 Mar - 05 Apr	LOT

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

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 March from $436

Return flights