Cheapest return flights from Porto to Newark in September from 429€

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 September 2025 (see full year).

Return flights

22 Sep - 28 Sep TAP direct
15 Sep - 21 Sep TAP direct
18 Sep - 23 Sep TAP direct
16 Sep - 21 Sep TAP direct
06 Sep - 20 Sep Lufthansa
18 Sep - 27 Sep SWISS
18 Sep - 26 Sep SWISS
08 Sep - 19 Sep SWISS
04 Sep - 24 Sep SWISS
19 Sep - 26 Sep SWISS
25 Sep - 06 Oct British Airways
05 Sep - 09 Oct SWISS
27 Sep - 15 Oct easyJet
29 Sep - 22 Oct SWISS
21 Sep - 08 Oct SWISS
29 Sep - 22 Oct TAP direct
21 Sep - 08 Oct Brussels Airlines direct

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

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