Cheapest one-way flights from Lisbon to Boston in December from $255

AirHint found the following cheapest one-way flights from Lisbon (LIS) to Boston (BOS) in December 2025 (see full year).

One-Way flights

07 Dec Vueling Airlines
13 Dec Iberia For Level
02 Dec Iberia For Level
23 Dec Azores Airlines
26 Dec Iberia For Level
07 Dec TAP direct
02 Dec TAP direct
22 Dec Azores Airlines
26 Dec TAP direct
22 Dec TAP direct

Also check the deals for return flights from Lisbon to Boston in December.

Skyscanner

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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