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

Return flights

29 May - 05 Jun	Iberia
03 May - 29 May	LATAM Airlines Group
12 May - 02 Jun	British Airways
01 May - 15 May	Iberia
03 May - 03 Jun	British Airways
15 May - 29 May	LATAM Airlines Group
16 May - 29 May	LEVEL
15 May - 21 Jun	LATAM Airlines Group
01 May - 23 May	LATAM Airlines Group
04 May - 11 May	Iberia
01 May - 10 May	Turkish Airlines

Also check the deals for one-way flights from Santiago 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 Santiago to Lisbon in May from $884

Return flights