Cheapest return flights from Porto to Newark in March from $488

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 March 2026 (see full year).

Return flights

12 Mar - 19 Mar TAP direct
06 Mar - 13 Mar TAP
28 Mar - 07 Apr SWISS
06 Mar - 13 Mar Brussels Airlines direct
20 Mar - 27 Mar Brussels Airlines direct
20 Mar - 28 Mar Brussels Airlines direct
28 Mar - 05 Apr SWISS
28 Mar - 04 Apr SWISS
07 Mar - 04 Apr SWISS
07 Mar - 04 Apr TAP direct
23 Mar - 28 Mar SWISS
23 Mar - 28 Mar Brussels Airlines direct

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

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.

Book a cheap hotel in Newark

Cheap car rent in Newark