AirHint found the following cheapest return flights from Lisbon (LIS) to Miami (MIA) in December 2025 (see full year).

Return flights

17 Dec - 30 Dec	British Airways
07 Dec - 14 Dec	British Airways
24 Dec - 31 Dec	British Airways
04 Dec - 11 Dec	Vueling Airlines
03 Dec - 09 Dec	Iberia
05 Dec - 08 Dec	Finnair
06 Dec - 09 Dec	Finnair
02 Dec - 08 Dec	Air Europa
05 Dec - 11 Dec	KLM
03 Dec - 10 Dec	Delta
14 Dec - 15 Jan	Air Europa
16 Dec - 09 Jan	Delta
13 Dec - 01 Jan	Delta
23 Dec - 07 Jan	Delta
21 Dec - 01 Jan	Delta
23 Dec - 01 Jan	Delta
24 Dec - 01 Jan	Virgin Atlantic
22 Dec - 06 Jan	Air Canada
30 Dec - 08 Jan	SWISS
18 Dec - 08 Jan	Delta

Also check the deals for one-way flights from Lisbon to Miami in December.

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 Miami

Cheap car rent in Miami

Cheapest return flights from Lisbon to Miami in December from $469

Return flights