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	American Airlines
08 May - 15 May	British Airways
19 May - 26 May	Lufthansa
26 May - 02 Jun	United
26 May - 09 Jun	Air Canada
24 May - 02 Jun	Lufthansa
24 May - 03 Jun	Lufthansa
08 May - 15 May	TAP	direct
19 May - 26 May	TAP	direct
31 May - 07 Jun	TAP	direct
24 May - 02 Jun	TAP	direct
26 May - 09 Jun	TAP	direct
26 May - 02 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Los Angeles to Lisbon in May from 447€

Return flights