$467 Cheap Delta flights Seattle (SEA) to Porto (OPO)

$467 Cheap Delta flights Seattle (SEA) to Porto (OPO)

Prices were available within the past 7 days and start at $467 for one-way flights and $874 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 10 - Sat, Mar 21

SEA

Seattle

OPO

Porto

$874 Roundtrip, found 10 hours ago

$874

Roundtrip

found 10 hours ago

Select Delta flight, departing Tue, Mar 10 from Seattle to Porto, returning Sat, Mar 21, priced at $874 found 10 hours ago

Tue, Mar 10 - Sat, Mar 21

SEA

Seattle

OPO

Porto

$899 Roundtrip, found 10 hours ago

$899

Roundtrip

found 10 hours ago

Select Delta flight, departing Tue, Mar 10 from Seattle to Porto, returning Sat, Mar 21, priced at $899 found 10 hours ago

Tue, Mar 10 - Sat, Mar 21

SEA

Seattle

OPO

Porto

$925 Roundtrip, found 10 hours ago

$925

Roundtrip

found 10 hours ago

Select Delta flight, departing Tue, Mar 10 from Seattle to Porto, returning Sat, Mar 21, priced at $925 found 10 hours ago

Tue, Mar 10 - Sat, Mar 21

SEA

Seattle

OPO

Porto

$1,431 Roundtrip, found 10 hours ago

$1,431

Roundtrip

found 10 hours ago

Select Delta flight, departing Tue, Mar 10 from Seattle to Porto, returning Sat, Mar 21, priced at $1,431 found 10 hours ago