Cheapest return flights from Newark to Lisbon in December from 323€

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

Return flights

31 Dec - 07 Jan Scandinavian Airlines
08 Dec - 16 Dec TAP direct
30 Dec - 06 Jan TAP direct
31 Dec - 07 Jan TAP direct
11 Dec - 15 Dec Delta
06 Dec - 13 Dec Delta
01 Dec - 08 Dec TAP direct
16 Dec - 23 Dec TAP
11 Dec - 18 Dec United direct
11 Dec - 15 Dec United direct
13 Dec - 20 Dec Air Canada
28 Dec - 06 Jan United
28 Dec - 06 Jan TAP direct
01 Dec - 03 Dec TAP
13 Dec - 20 Dec TAP direct
20 Dec - 01 Jan Icelandair
17 Dec - 11 Jan Lufthansa
23 Dec - 02 Jan TAP direct
21 Dec - 01 Jan TAP direct
20 Dec - 01 Jan TAP direct

Also check the deals for one-way flights from Newark to Lisbon 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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