Flights from Boston to Portel

Cheapest flights from Boston

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.

Sat, Nov 1 - Mon, Nov 17

BOS

Logan Intl.

LIS

Humberto Delgado

$477 Roundtrip, found 5 days ago

$477

Roundtrip

found 5 days ago

Select Scandinavian Airlines flight, departing Sat, Nov 1 from Logan Intl. to Humberto Delgado, returning Mon, Nov 17, priced at $477 found 5 days ago

Wed, Oct 1 - Fri, Oct 3

BOS

Logan Intl.

LIS

Humberto Delgado

$507 Roundtrip, found 3 days ago

$507

Roundtrip

found 3 days ago

Select British Airways flight, departing Wed, Oct 1 from Logan Intl. to Humberto Delgado, returning Fri, Oct 3, priced at $507 found 3 days ago

Sat, Nov 1 - Sat, Nov 15

BOS

Logan Intl.

LIS

Humberto Delgado

$527 Roundtrip, found 5 days ago

$527

Roundtrip

found 5 days ago

Select Scandinavian Airlines flight, departing Sat, Nov 1 from Logan Intl. to Humberto Delgado, returning Sat, Nov 15, priced at $527 found 5 days ago

Thu, Oct 2 - Fri, Oct 3

BOS

Logan Intl.

LIS

Humberto Delgado

$553 Roundtrip, found 3 days ago

$553

Roundtrip

found 3 days ago

Select British Airways flight, departing Thu, Oct 2 from Logan Intl. to Humberto Delgado, returning Fri, Oct 3, priced at $553 found 3 days ago

Mon, Nov 3 - Mon, Nov 17

BOS

Logan Intl.

LIS

Humberto Delgado

$557 Roundtrip, found 5 days ago

$557

Roundtrip

found 5 days ago

Select Scandinavian Airlines flight, departing Mon, Nov 3 from Logan Intl. to Humberto Delgado, returning Mon, Nov 17, priced at $557 found 5 days ago

Fri, Oct 3 - Mon, Oct 27

BOS

Logan Intl.

LIS

Humberto Delgado

$557 Roundtrip, found 1 day ago

$557

Roundtrip

found 1 day ago

Select Scandinavian Airlines flight, departing Fri, Oct 3 from Logan Intl. to Humberto Delgado, returning Mon, Oct 27, priced at $557 found 1 day ago

Fri, Nov 7 - Sat, Nov 15

BOS

Logan Intl.

LIS

Humberto Delgado

$577 Roundtrip, found 5 days ago

$577

Roundtrip

found 5 days ago

Select Scandinavian Airlines flight, departing Fri, Nov 7 from Logan Intl. to Humberto Delgado, returning Sat, Nov 15, priced at $577 found 5 days ago

Sat, Nov 1 - Sun, Nov 16

BOS

Logan Intl.

LIS

Humberto Delgado

$597 Roundtrip, found 5 days ago

$597

Roundtrip

found 5 days ago

Select Scandinavian Airlines flight, departing Sat, Nov 1 from Logan Intl. to Humberto Delgado, returning Sun, Nov 16, priced at $597 found 5 days ago

Thu, Oct 2 - Mon, Oct 27

BOS

Logan Intl.

LIS

Humberto Delgado

$597 Roundtrip, found 1 day ago

$597

Roundtrip

found 1 day ago

Select Scandinavian Airlines flight, departing Thu, Oct 2 from Logan Intl. to Humberto Delgado, returning Mon, Oct 27, priced at $597 found 1 day ago

Thu, Oct 2 - Sat, Oct 4

BOS

Logan Intl.

LIS

Humberto Delgado

$606 Roundtrip, found 3 days ago

$606

Roundtrip

found 3 days ago

Select British Airways flight, departing Thu, Oct 2 from Logan Intl. to Humberto Delgado, returning Sat, Oct 4, priced at $606 found 3 days ago

Wed, Oct 1 - Wed, Oct 8

BOS

Logan Intl.

LIS

Humberto Delgado

$609 Roundtrip, found 3 days ago

$609

Roundtrip

found 3 days ago

Select TAP Portugal flight, departing Wed, Oct 1 from Logan Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $609 found 3 days ago

Tue, Sep 30 - Thu, Oct 30

BOS

Logan Intl.

LIS

Humberto Delgado

$611 Roundtrip, found 1 day ago

$611

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Logan Intl. to Humberto Delgado, returning Thu, Oct 30, priced at $611 found 1 day ago

Tue, Sep 30 - Thu, Oct 30

BOS

Logan Intl.

LIS

Humberto Delgado

$612 Roundtrip, found 1 day ago

$612

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Sep 30 from Logan Intl. to Humberto Delgado, returning Thu, Oct 30, priced at $612 found 1 day ago

Tue, Sep 30 - Thu, Oct 30

BOS

Logan Intl.

LIS

Humberto Delgado

$639 Roundtrip, found 1 day ago

$639

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 30 from Logan Intl. to Humberto Delgado, returning Thu, Oct 30, priced at $639 found 1 day ago

Tue, Sep 30 - Thu, Oct 30

BOS

Logan Intl.

LIS

Humberto Delgado

$649 Roundtrip, found 1 day ago

$649

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Tue, Sep 30 from Logan Intl. to Humberto Delgado, returning Thu, Oct 30, priced at $649 found 1 day ago

Tue, Sep 30 - Thu, Oct 30

BOS

Logan Intl.

LIS

Humberto Delgado

$761 Roundtrip, found 1 day ago

$761

Roundtrip

found 1 day ago

Select Iberia flight, departing Tue, Sep 30 from Logan Intl. to Humberto Delgado, returning Thu, Oct 30, priced at $761 found 1 day ago

Tue, Sep 30 - Thu, Oct 30

BOS

Logan Intl.

LIS

Humberto Delgado

$891 Roundtrip, found 1 day ago

$891

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Sep 30 from Logan Intl. to Humberto Delgado, returning Thu, Oct 30, priced at $891 found 1 day ago

Wed, Aug 27 - Sun, Sep 7

BOS

Logan Intl.

LIS

Humberto Delgado

$891 Roundtrip, found 2 days ago

$891

Roundtrip

found 2 days ago

Select Icelandair flight, departing Wed, Aug 27 from Logan Intl. to Humberto Delgado, returning Sun, Sep 7, priced at $891 found 2 days ago

Wed, Aug 27 - Sun, Sep 7

BOS

Logan Intl.

LIS

Humberto Delgado

$920 Roundtrip, found 2 days ago

$920

Roundtrip

found 2 days ago

Select Finnair flight, departing Wed, Aug 27 from Logan Intl. to Humberto Delgado, returning Sun, Sep 7, priced at $920 found 2 days ago

Wed, Aug 27 - Sun, Sep 7

BOS

Logan Intl.

LIS

Humberto Delgado

$1,260 Roundtrip, found 2 days ago

$1,260

Roundtrip

found 2 days ago

Select Brussels Airlines flight, departing Wed, Aug 27 from Logan Intl. to Humberto Delgado, returning Sun, Sep 7, priced at $1,260 found 2 days ago