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

Return flights

01 Dec - 11 Dec	Scandinavian Airlines
09 Dec - 13 Dec	easyJet
07 Dec - 14 Dec	easyJet
01 Dec - 07 Dec	Scandinavian Airlines
01 Dec - 08 Dec	Vueling Airlines
07 Dec - 13 Dec	easyJet
05 Dec - 08 Dec	Vueling Airlines
01 Dec - 08 Dec	TAP	direct
01 Dec - 07 Dec	TAP	direct
07 Dec - 12 Dec	TAP	direct
27 Dec - 12 Jan	United
30 Dec - 06 Jan	Lufthansa
28 Dec - 12 Jan	United
29 Dec - 05 Jan	United
25 Dec - 07 Jan	Lufthansa
25 Dec - 01 Jan	SWISS
25 Dec - 02 Jan	Lufthansa
30 Dec - 05 Jan	SWISS
19 Dec - 01 Jan	Air Canada
28 Dec - 05 Jan	United

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

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.

Book a cheap hotel in Newark

Cheap car rent in Newark

Cheapest return flights from Porto to Newark in December from 344€

Return flights