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.

Mon, Jan 12 - Thu, Jan 29

PDX

Portland Intl.

LIS

Humberto Delgado

$582 Roundtrip, found 1 day ago

$582

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jan 12 from Portland Intl. to Humberto Delgado, returning Thu, Jan 29, priced at $582 found 1 day ago

Wed, Jan 14 - Thu, Jan 29

PDX

Portland Intl.

LIS

Humberto Delgado

$585 Roundtrip, found 1 day ago

$585

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jan 14 from Portland Intl. to Humberto Delgado, returning Thu, Jan 29, priced at $585 found 1 day ago

Thu, Jan 15 - Thu, Jan 29

PDX

Portland Intl.

LIS

Humberto Delgado

$591 Roundtrip, found 1 day ago

$591

Roundtrip

found 1 day ago

Select Air Canada flight, departing Thu, Jan 15 from Portland Intl. to Humberto Delgado, returning Thu, Jan 29, priced at $591 found 1 day ago

Tue, Jan 20 - Tue, Feb 3

PDX

Portland Intl.

LIS

Humberto Delgado

$591 Roundtrip, found 1 day ago

$591

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Jan 20 from Portland Intl. to Humberto Delgado, returning Tue, Feb 3, priced at $591 found 1 day ago

Mon, Jan 19 - Thu, Feb 5

PDX

Portland Intl.

LIS

Humberto Delgado

$592 Roundtrip, found 1 day ago

$592

Roundtrip

found 1 day ago

Select Air Canada flight, departing Mon, Jan 19 from Portland Intl. to Humberto Delgado, returning Thu, Feb 5, priced at $592 found 1 day ago

Mon, Nov 17 - Sun, Nov 23

PDX

Portland Intl.

LIS

Humberto Delgado

$594 Roundtrip, found 1 day ago

$594

Roundtrip

found 1 day ago

Select Air Canada flight, departing Mon, Nov 17 from Portland Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $594 found 1 day ago

Mon, Dec 8 - Wed, Dec 24

PDX

Portland Intl.

LIS

Humberto Delgado

$594 Roundtrip, found 1 day ago

$594

Roundtrip

found 1 day ago

Select Air Canada flight, departing Mon, Dec 8 from Portland Intl. to Humberto Delgado, returning Wed, Dec 24, priced at $594 found 1 day ago

Sun, Nov 16 - Wed, Dec 3

PDX

Portland Intl.

LIS

Humberto Delgado

$596 Roundtrip, found 1 day ago

$596

Roundtrip

found 1 day ago

Select United flight, departing Sun, Nov 16 from Portland Intl. to Humberto Delgado, returning Wed, Dec 3, priced at $596 found 1 day ago

Wed, Jan 14 - Thu, Jan 29

PDX

Portland Intl.

LIS

Humberto Delgado

$597 Roundtrip, found 1 day ago

$597

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jan 14 from Portland Intl. to Humberto Delgado, returning Thu, Jan 29, priced at $597 found 1 day ago

Sat, Dec 6 - Thu, Dec 18

PDX

Portland Intl.

LIS

Humberto Delgado

$601 Roundtrip, found 1 day ago

$601

Roundtrip

found 1 day ago

Select Icelandair flight, departing Sat, Dec 6 from Portland Intl. to Humberto Delgado, returning Thu, Dec 18, priced at $601 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$608 Roundtrip, found 1 day ago

$608

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $608 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$625 Roundtrip, found 1 day ago

$625

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $625 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$691 Roundtrip, found 1 day ago

$691

Roundtrip

found 1 day ago

Select Virgin Atlantic flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $691 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$691 Roundtrip, found 1 day ago

$691

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $691 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$743 Roundtrip, found 1 day ago

$743

Roundtrip

found 1 day ago

Select Air France flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $743 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$754 Roundtrip, found 1 day ago

$754

Roundtrip

found 1 day ago

Select KLM flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $754 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$842 Roundtrip, found 1 day ago

$842

Roundtrip

found 1 day ago

Select Iberia flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $842 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$869 Roundtrip, found 1 day ago

$869

Roundtrip

found 1 day ago

Select Lufthansa flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $869 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$1,053 Roundtrip, found 1 day ago

$1,053

Roundtrip

found 1 day ago

Select Finnair flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $1,053 found 1 day ago

Tue, Nov 18 - Fri, Dec 5

PDX

Portland Intl.

LIS

Humberto Delgado

$1,148 Roundtrip, found 1 day ago

$1,148

Roundtrip

found 1 day ago

Select Scandinavian Airlines flight, departing Tue, Nov 18 from Portland Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $1,148 found 1 day ago