Cheapest return flights from Newark to Porto in March from $454

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

Return flights

02 Mar - 09 Mar Air Canada
03 Mar - 10 Mar Air Canada
16 Mar - 23 Mar Scandinavian Airlines
03 Mar - 10 Mar United direct
02 Mar - 09 Mar United direct
12 Mar - 17 Mar TAP
06 Mar - 14 Mar Scandinavian Airlines
16 Mar - 22 Mar Air France
02 Mar - 22 Mar KLM
16 Mar - 20 Mar Scandinavian Airlines
01 Mar - 01 Apr SWISS
24 Mar - 07 Apr Turkish Airlines
27 Mar - 05 Apr Air Canada
01 Mar - 05 Apr Icelandair
24 Mar - 07 Apr United direct
27 Mar - 06 Apr Austrian Airlines
01 Mar - 05 Apr United direct
27 Mar - 06 Apr TAP direct

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

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