$3,347 Cheap American Airlines flights Seattle (SEA) to Porto (OPO)

$3,347 Cheap American Airlines flights Seattle (SEA) to Porto (OPO)

Prices were available within the past 7 days and start at $3,347 for one-way flights and $3,779 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Apr 5 - Wed, Apr 8

SEA

Seattle

OPO

Porto

$3,779 Roundtrip, found 16 hours ago

$3,779

Roundtrip

found 16 hours ago

Select American Airlines flight, departing Sun, Apr 5 from Seattle to Porto, returning Wed, Apr 8, priced at $3,779 found 16 hours ago