Cheap Delta flights San Francisco (SFO) to Porto (OPO)

Cheap Delta flights San Francisco (SFO) to Porto (OPO)

Prices were available within the past 7 days and start at for one-way flights and $685 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 29 - Wed, Oct 8

SFO

San Francisco

OPO

Porto

$685 Roundtrip, found 21 hours ago

$685

Roundtrip

found 21 hours ago

Select Delta flight, departing Mon, Sep 29 from San Francisco to Porto, returning Wed, Oct 8, priced at $685 found 21 hours ago

Mon, Sep 29 - Mon, Oct 13

SFO

San Francisco

OPO

Porto

$691 Roundtrip, found 21 hours ago

$691

Roundtrip

found 21 hours ago

Select Delta flight, departing Mon, Sep 29 from San Francisco to Porto, returning Mon, Oct 13, priced at $691 found 21 hours ago