AirHint found the following cheapest one-way flights from Miami (MIA) to Lisbon (LIS) in December 2025 (see full year).
One-Way flights
| 02 Dec | Iberia | ||
| 04 Dec | Air Caraibes | ||
| 30 Dec | United | ||
| 31 Dec | United | ||
| 07 Dec | KLM | ||
| 11 Dec | SWISS | ||
| 05 Dec | SWISS | ||
| 14 Dec | Frontier Airlines | ||
| 05 Dec | TAP | direct | |
| 24 Dec | Lufthansa |
Also check the deals for return flights from Miami to Lisbon in December.
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