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	Air Canada
05 May - 15 May	Lufthansa
06 May - 16 May	Lufthansa
05 May - 17 May	Air Canada
05 May - 15 May	TAP	direct
17 May - 23 May	Lufthansa
18 May - 25 May	Air Canada
05 May - 12 May	TAP	direct
02 May - 09 May	TAP	direct
01 May - 09 May	Lufthansa
17 May - 01 Jun	Lufthansa
25 May - 01 Jun	Air Canada
31 May - 07 Jun	Air Canada
28 May - 04 Jun	Air Canada
30 May - 06 Jun	Air Canada
27 May - 08 Jun	Lufthansa
29 May - 05 Jun	Air Canada
26 May - 04 Jun	United
30 May - 06 Jun	TAP	direct
29 May - 05 Jun	TAP	direct

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 438€

Return flights