$490 Cheap Air Canada flights Seattle (SEA) to Porto (OPO)

$490 Cheap Air Canada flights Seattle (SEA) to Porto (OPO)

Prices were available within the past 7 days and start at $490 for one-way flights and $764 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

$764 Roundtrip, found 1 day ago

$764

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Mar 10 from Seattle to Porto, returning Sat, Mar 21, priced at $764 found 1 day ago

Wed, Apr 1 - Sat, Apr 11

SEA

Seattle

OPO

Porto

$809 Roundtrip, found 8 hours ago

$809

Roundtrip

found 8 hours ago

Select Air Canada flight, departing Wed, Apr 1 from Seattle to Porto, returning Sat, Apr 11, priced at $809 found 8 hours ago

Wed, Apr 1 - Sat, Apr 11

SEA

Seattle

OPO

Porto

$812 Roundtrip, found 8 hours ago

$812

Roundtrip

found 8 hours ago

Select Air Canada flight, departing Wed, Apr 1 from Seattle to Porto, returning Sat, Apr 11, priced at $812 found 8 hours ago

Tue, Mar 10 - Sat, Mar 21

SEA

Seattle

OPO

Porto

$833 Roundtrip, found 1 day ago

$833

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Mar 10 from Seattle to Porto, returning Sat, Mar 21, priced at $833 found 1 day ago

Tue, Mar 10 - Sat, Mar 21

SEA

Seattle

OPO

Porto

$846 Roundtrip, found 1 day ago

$846

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Mar 10 from Seattle to Porto, returning Sat, Mar 21, priced at $846 found 1 day ago