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Cheapest one-way flights from Newark (EWR) to Porto (OPO), December

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Dates, airline, and price
Dates	Airline	Price
13 Dec	FrenchBee
09 Dec	FrenchBee
12 Dec	FrenchBee
08 Dec	Frontier Airlines
07 Dec	Icelandair
30 Dec	Icelandair
16 Dec	Aer Lingus
13 Dec	United Direct Flight
09 Dec	United Direct Flight
08 Dec	United Direct Flight

deals for return flights from Newark to Porto in December.

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Updated Aug 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Newark (EWR) to Porto (OPO), December

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