AirHint found the following cheapest return flights from Newark (EWR) to Porto (OPO) in April 2026 (see full year).

Return flights

02 Apr - 11 Apr	TAP
09 Apr - 16 Apr	TAP
26 Apr - 16 May	TAP
21 Apr - 28 Apr	TAP
27 Apr - 23 May	TAP
30 Apr - 23 May	TAP
22 Apr - 29 Apr	TAP
11 Apr - 02 May	TAP
20 Apr - 27 Apr	TAP
23 Apr - 30 Apr	TAP
10 Apr - 17 Apr	TAP
21 Apr - 28 Apr	United	direct
22 Apr - 29 Apr	United	direct
02 Apr - 10 Apr	United	direct
27 Apr - 23 May	United	direct
30 Apr - 23 May	United	direct
26 Apr - 16 May	Brussels Airlines	direct

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

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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Cheapest return flights from Newark to Porto in April from $558

Return flights