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

Return flights

05 Dec - 09 Dec	Lufthansa
05 Dec - 08 Dec	Lufthansa
05 Dec - 10 Dec	Lufthansa
04 Dec - 10 Dec	SWISS
04 Dec - 09 Dec	SWISS
04 Dec - 11 Dec	SWISS
15 Dec - 12 Jan	Lufthansa
14 Dec - 15 Jan	Lufthansa
15 Dec - 31 Dec	Lufthansa
02 Dec - 09 Dec	Lufthansa
06 Dec - 10 Dec	Lufthansa
11 Dec - 30 Dec	United
21 Dec - 14 Jan	Lufthansa
05 Dec - 11 Jan	Lufthansa
22 Dec - 15 Jan	SWISS
22 Dec - 14 Jan	SWISS
23 Dec - 16 Jan	Iberia
23 Dec - 13 Jan	Iberia
23 Dec - 15 Jan	Air Canada
16 Dec - 07 Jan	Air Canada

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 $472

Return flights