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

Return flights

12 May - 22 May	Air Canada
12 May - 27 May	Iberia
12 May - 25 May	Iberia
12 May - 26 May	Air Canada
18 May - 24 May	British Airways
17 May - 24 May	British Airways
05 May - 24 May	British Airways
09 May - 24 May	Air Canada
05 May - 26 May	British Airways
12 May - 20 May	SWISS
31 May - 06 Jun	Iberia
24 May - 02 Jun	British Airways
24 May - 02 Jun	TAP	direct
27 May - 03 Jun	TAP	direct
31 May - 06 Jun	TAP	direct

Also check the deals for one-way flights from Miami 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 Miami to Lisbon in May from $542

Return flights