Cheapest return flights from Newark to Lisbon in December from $546

Best time to book flights for Newark (EWR) to Lisbon (LIS) flights at AirHint

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

Return flights

05 Dec - 08 Dec TAP
11 Dec - 25 Dec Air Canada
08 Dec - 22 Dec United direct
11 Dec - 25 Dec TAP direct
27 Dec - 13 Jan TAP
12 Dec - 15 Dec TAP
05 Dec - 08 Dec TAP direct
27 Dec - 13 Jan TAP direct
12 Dec - 15 Dec TAP direct
24 Dec - 31 Dec United
25 Dec - 27 Jan TAP direct
25 Dec - 08 Jan United direct
23 Dec - 30 Dec Lufthansa
23 Dec - 26 Dec Air Canada
28 Dec - 02 Jan TAP direct
26 Dec - 02 Jan TAP
22 Dec - 05 Jan Air Canada
22 Dec - 03 Jan TAP
22 Dec - 03 Jan TAP direct
22 Dec - 05 Jan TAP direct

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