Flights from Portland to Seixal

Cheapest flights from Portland

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 18 - Wed, Oct 1

PDX

Portland Intl.

LIS

Humberto Delgado

$781 Roundtrip, found 4 days ago

$781

Roundtrip

found 4 days ago

Select British Airways flight, departing Thu, Sep 18 from Portland Intl. to Humberto Delgado, returning Wed, Oct 1, priced at $781 found 4 days ago

Thu, Sep 18 - Thu, Oct 2

PDX

Portland Intl.

LIS

Humberto Delgado

$799 Roundtrip, found 4 days ago

$799

Roundtrip

found 4 days ago

Select British Airways flight, departing Thu, Sep 18 from Portland Intl. to Humberto Delgado, returning Thu, Oct 2, priced at $799 found 4 days ago

Sun, Sep 14 - Thu, Oct 2

PDX

Portland Intl.

LIS

Humberto Delgado

$879 Roundtrip, found 4 days ago

$879

Roundtrip

found 4 days ago

Select British Airways flight, departing Sun, Sep 14 from Portland Intl. to Humberto Delgado, returning Thu, Oct 2, priced at $879 found 4 days ago

Thu, Sep 18 - Fri, Oct 3

PDX

Portland Intl.

LIS

Humberto Delgado

$884 Roundtrip, found 4 days ago

$884

Roundtrip

found 4 days ago

Select British Airways flight, departing Thu, Sep 18 from Portland Intl. to Humberto Delgado, returning Fri, Oct 3, priced at $884 found 4 days ago

Mon, Sep 15 - Tue, Sep 30

PDX

Portland Intl.

LIS

Humberto Delgado

$2,260 Roundtrip, found 4 days ago

$2,260

Roundtrip

found 4 days ago

Select Iberia flight, departing Mon, Sep 15 from Portland Intl. to Humberto Delgado, returning Tue, Sep 30, priced at $2,260 found 4 days ago