$579 Cheap United flights Newark Liberty Intl. Airport (EWR) to Porto (OPO)

$579 Cheap United flights Newark Liberty Intl. Airport (EWR) to Porto (OPO)

Prices were available within the past 7 days and start at $579 for one-way flights and $820 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 8 - Tue, Sep 15

EWR

New York

OPO

Porto

$820 Roundtrip, found 6 days ago

$820

Roundtrip

found 6 days ago

Select United flight, departing Tue, Sep 8 from New York to Porto, returning Tue, Sep 15, priced at $820 found 6 days ago

Mon, Jun 22 - Tue, Jun 30

EWR

New York

OPO

Porto

$850 Roundtrip, found 11 hours ago

$850

Roundtrip

found 11 hours ago

Select United flight, departing Mon, Jun 22 from New York to Porto, returning Tue, Jun 30, priced at $850 found 11 hours ago

Mon, Aug 24 - Wed, Sep 2

EWR

New York

OPO

Porto

$855 Roundtrip, found 11 hours ago

$855

Roundtrip

found 11 hours ago

Select United flight, departing Mon, Aug 24 from New York to Porto, returning Wed, Sep 2, priced at $855 found 11 hours ago

Mon, Aug 24 - Tue, Sep 1

EWR

New York

OPO

Porto

$859 Roundtrip, found 11 hours ago

$859

Roundtrip

found 11 hours ago

Select United flight, departing Mon, Aug 24 from New York to Porto, returning Tue, Sep 1, priced at $859 found 11 hours ago

Wed, Aug 19 - Tue, Sep 8

EWR

New York

OPO

Porto

$860 Roundtrip, found 11 hours ago

$860

Roundtrip

found 11 hours ago

Select United flight, departing Wed, Aug 19 from New York to Porto, returning Tue, Sep 8, priced at $860 found 11 hours ago

Wed, Aug 12 - Tue, Sep 1

EWR

New York

OPO

Porto

$864 Roundtrip, found 11 hours ago

$864

Roundtrip

found 11 hours ago

Select United flight, departing Wed, Aug 12 from New York to Porto, returning Tue, Sep 1, priced at $864 found 11 hours ago

Wed, Aug 5 - Fri, Aug 28

EWR

New York

OPO

Porto

$877 Roundtrip, found 11 hours ago

$877

Roundtrip

found 11 hours ago

Select United flight, departing Wed, Aug 5 from New York to Porto, returning Fri, Aug 28, priced at $877 found 11 hours ago

Tue, Sep 8 - Sun, Sep 13

EWR

New York

OPO

Porto

$880 Roundtrip, found 6 days ago

$880

Roundtrip

found 6 days ago

Select United flight, departing Tue, Sep 8 from New York to Porto, returning Sun, Sep 13, priced at $880 found 6 days ago