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

Return flights

05 May - 12 May	British Airways
13 May - 20 May	Lufthansa
03 May - 13 May	Lufthansa
04 May - 11 May	Lufthansa
03 May - 18 May	Lufthansa
04 May - 18 May	Lufthansa
05 May - 18 May	Lufthansa
06 May - 18 May	Lufthansa
01 May - 08 May	Lufthansa
02 May - 16 May	British Airways
18 May - 04 Jun	Air Canada
26 May - 02 Jun	Air Canada
24 May - 16 Jun	Air Canada
16 May - 02 Jun	Air Canada
27 May - 15 Jun	Air Canada
26 May - 08 Jun	British Airways
30 May - 13 Jun	Air Canada
28 May - 16 Jun	Air Canada
28 May - 15 Jun	Air Canada
22 May - 06 Jun	British Airways

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

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 May from $515

Return flights