$556 Cheap United flights Portland (PDX) to Porto (OPO)

$556 Cheap United flights Portland (PDX) to Porto (OPO)

Prices were available within the past 7 days and start at $556 for one-way flights and $529 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 10 - Fri, Nov 21

PDX

Portland

OPO

Porto

$529 Roundtrip, found 1 day ago

$529

Roundtrip

found 1 day ago

Select United flight, departing Mon, Nov 10 from Portland to Porto, returning Fri, Nov 21, priced at $529 found 1 day ago

Fri, Nov 7 - Fri, Nov 21

PDX

Portland

OPO

Porto

$535 Roundtrip, found 1 day ago

$535

Roundtrip

found 1 day ago

Select United flight, departing Fri, Nov 7 from Portland to Porto, returning Fri, Nov 21, priced at $535 found 1 day ago

Sat, Nov 22 - Sun, Dec 7

PDX

Portland

OPO

Porto

$536 Roundtrip, found 1 day ago

$536

Roundtrip

found 1 day ago

Select United flight, departing Sat, Nov 22 from Portland to Porto, returning Sun, Dec 7, priced at $536 found 1 day ago

Tue, Nov 11 - Thu, Nov 27

PDX

Portland

OPO

Porto

$539 Roundtrip, found 1 day ago

$539

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 11 from Portland to Porto, returning Thu, Nov 27, priced at $539 found 1 day ago

Fri, Nov 7 - Thu, Nov 27

PDX

Portland

OPO

Porto

$545 Roundtrip, found 1 day ago

$545

Roundtrip

found 1 day ago

Select United flight, departing Fri, Nov 7 from Portland to Porto, returning Thu, Nov 27, priced at $545 found 1 day ago

Sat, Nov 22 - Mon, Dec 8

PDX

Portland

OPO

Porto

$546 Roundtrip, found 1 day ago

$546

Roundtrip

found 1 day ago

Select United flight, departing Sat, Nov 22 from Portland to Porto, returning Mon, Dec 8, priced at $546 found 1 day ago