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

Return flights

14 May - 28 May	Iberia
03 May - 17 May	Iberia
21 May - 04 Jun	Iberia
05 May - 12 May	Iberia
21 May - 31 May	Iberia
03 May - 10 May	Iberia
15 May - 15 Jun	TAP	direct
13 May - 20 May	TAP	direct
01 May - 22 May	TAP	direct
04 May - 22 May	TAP	direct
03 May - 10 May	TAP	direct
04 May - 12 May	TAP	direct
21 May - 04 Jun	TAP	direct

Also check the deals for one-way flights from Fortaleza 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 Fortaleza to Lisbon in May from 617€

Return flights