Cheapest return flights from Porto to Newark in December from $502

Best time to book flights for Porto (OPO) to Newark (EWR) flights at AirHint

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

Return flights

08 Dec - 14 Dec SWISS
01 Dec - 10 Dec SWISS
04 Dec - 10 Dec United
11 Dec - 16 Dec SWISS
05 Dec - 11 Dec Scandinavian Airlines
28 Dec - 09 Jan United
06 Dec - 10 Dec Lufthansa
04 Dec - 08 Dec Delta
03 Dec - 08 Dec Delta
22 Dec - 31 Dec United
05 Dec - 10 Dec SWISS
27 Dec - 02 Jan United
28 Dec - 02 Jan United
31 Dec - 05 Jan Lufthansa
29 Dec - 02 Jan United
25 Dec - 01 Jan Lufthansa
28 Dec - 04 Jan United
21 Dec - 01 Jan TAP
29 Dec - 05 Jan Lufthansa
30 Dec - 04 Jan SWISS

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