$1,038 Cheap United flights San Francisco (SFO) to Porto (OPO)

$1,038 Cheap United flights San Francisco (SFO) to Porto (OPO)

Prices were available within the past 7 days and start at $1,038 for one-way flights and $1,558 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jul 5 - Wed, Jul 15

SFO

San Francisco

OPO

Porto

$1,558 Roundtrip, found 19 hours ago

$1,558

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Jul 5 from San Francisco to Porto, returning Wed, Jul 15, priced at $1,558 found 19 hours ago

Sun, Jul 5 - Wed, Jul 15

SFO

San Francisco

OPO

Porto

$1,561 Roundtrip, found 19 hours ago

$1,561

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Jul 5 from San Francisco to Porto, returning Wed, Jul 15, priced at $1,561 found 19 hours ago

Sun, Jul 5 - Wed, Jul 15

SFO

San Francisco

OPO

Porto

$1,563 Roundtrip, found 19 hours ago

$1,563

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Jul 5 from San Francisco to Porto, returning Wed, Jul 15, priced at $1,563 found 19 hours ago

Sun, Jul 5 - Wed, Jul 15

SFO

San Francisco

OPO

Porto

$1,566 Roundtrip, found 19 hours ago

$1,566

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Jul 5 from San Francisco to Porto, returning Wed, Jul 15, priced at $1,566 found 19 hours ago

Sun, Jul 5 - Wed, Jul 15

SFO

San Francisco

OPO

Porto

$1,569 Roundtrip, found 19 hours ago

$1,569

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Jul 5 from San Francisco to Porto, returning Wed, Jul 15, priced at $1,569 found 19 hours ago

Sun, Jul 5 - Wed, Jul 15

SFO

San Francisco

OPO

Porto

$1,573 Roundtrip, found 19 hours ago

$1,573

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Jul 5 from San Francisco to Porto, returning Wed, Jul 15, priced at $1,573 found 19 hours ago

Sun, Jul 5 - Wed, Jul 15

SFO

San Francisco

OPO

Porto

$1,579 Roundtrip, found 19 hours ago

$1,579

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Jul 5 from San Francisco to Porto, returning Wed, Jul 15, priced at $1,579 found 19 hours ago