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

Return flights

17 Dec - 24 Jan	British Airways
06 Dec - 11 Dec	British Airways
11 Dec - 15 Dec	Iberia
06 Dec - 13 Dec	British Airways
06 Dec - 14 Dec	British Airways
05 Dec - 13 Dec	British Airways
14 Dec - 15 Jan	Air Europa
07 Dec - 14 Dec	British Airways
04 Dec - 15 Jan	Air Europa
10 Dec - 24 Dec	British Airways
05 Dec - 09 Dec	Delta
04 Dec - 11 Dec	Air Europa
06 Dec - 10 Dec	Air Europa
24 Dec - 09 Jan	British Airways
09 Dec - 07 Jan	British Airways
22 Dec - 14 Jan	Lufthansa
31 Dec - 15 Jan	Air Europa
22 Dec - 11 Jan	United
27 Dec - 10 Jan	Air Canada
27 Dec - 09 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.

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Cheapest return flights from Lisbon to Miami in December from 397€

Return flights