$499 Cheap United flights Newark Liberty Intl. Airport (EWR) to Porto (OPO)

$499 Cheap United flights Newark Liberty Intl. Airport (EWR) to Porto (OPO)

Prices were available within the past 7 days and start at $499 for one-way flights and $499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 17 - Fri, Feb 27

EWR

New York

OPO

Porto

$499 Roundtrip, found 1 day ago

$499

Roundtrip

found 1 day ago

Select United flight, departing Tue, Feb 17 from New York to Porto, returning Fri, Feb 27, priced at $499 found 1 day ago

Sun, Jan 11 - Fri, Jan 23

EWR

New York

OPO

Porto

$511 Roundtrip, found 1 day ago

$511

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jan 11 from New York to Porto, returning Fri, Jan 23, priced at $511 found 1 day ago

Tue, Jan 20 - Sun, Feb 1

EWR

New York

OPO

Porto

$515 Roundtrip, found 1 day ago

$515

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jan 20 from New York to Porto, returning Sun, Feb 1, priced at $515 found 1 day ago

Mon, Feb 2 - Sun, Feb 15

EWR

New York

OPO

Porto

$516 Roundtrip, found 1 day ago

$516

Roundtrip

found 1 day ago

Select United flight, departing Mon, Feb 2 from New York to Porto, returning Sun, Feb 15, priced at $516 found 1 day ago

Fri, Feb 6 - Mon, Feb 23

EWR

New York

OPO

Porto

$524 Roundtrip, found 1 day ago

$524

Roundtrip

found 1 day ago

Select United flight, departing Fri, Feb 6 from New York to Porto, returning Mon, Feb 23, priced at $524 found 1 day ago

Fri, Feb 6 - Fri, Feb 20

EWR

New York

OPO

Porto

$528 Roundtrip, found 1 day ago

$528

Roundtrip

found 1 day ago

Select United flight, departing Fri, Feb 6 from New York to Porto, returning Fri, Feb 20, priced at $528 found 1 day ago

Mon, Jan 12 - Tue, Feb 17

EWR

New York

OPO

Porto

$533 Roundtrip, found 1 day ago

$533

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jan 12 from New York to Porto, returning Tue, Feb 17, priced at $533 found 1 day ago