Cheapest return flights from Lisbon to Boston in December from 487€

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

Return flights

25 Dec - 29 Dec Iberia
27 Dec - 03 Jan Air Canada
26 Dec - 03 Jan United
23 Dec - 30 Dec Iberia
23 Dec - 08 Jan Iberia
28 Dec - 01 Jan Iberia
23 Dec - 08 Jan TAP direct
20 Dec - 05 Jan United
25 Dec - 29 Dec Virgin Atlantic direct
27 Dec - 03 Jan Virgin Atlantic direct
26 Dec - 02 Jan Virgin Atlantic direct
26 Dec - 03 Jan Virgin Atlantic direct
23 Dec - 30 Dec Virgin Atlantic direct
28 Dec - 01 Jan TAP direct
20 Dec - 25 Dec Air France
20 Dec - 25 Dec Air France direct

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

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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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