Flights from Boston to Cascais Coast

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.

Wed, Oct 29 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$397 Roundtrip, found 1 day ago

$397

Roundtrip

found 1 day ago

Select Icelandair flight, departing Wed, Oct 29 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $397 found 1 day ago

Sat, Nov 1 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$399 Roundtrip, found 1 day ago

$399

Roundtrip

found 1 day ago

Select Icelandair flight, departing Sat, Nov 1 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $399 found 1 day ago

Wed, Sep 24 - Thu, Oct 9

BOS

Logan Intl.

LIS

Humberto Delgado

$466 Roundtrip, found 20 hours ago

$466

Roundtrip

found 20 hours ago

Select Icelandair flight, departing Wed, Sep 24 from Logan Intl. to Humberto Delgado, returning Thu, Oct 9, priced at $466 found 20 hours ago

Thu, Oct 30 - Wed, Nov 12

BOS

Logan Intl.

LIS

Humberto Delgado

$479 Roundtrip, found 1 day ago

$479

Roundtrip

found 1 day ago

Select Scandinavian Airlines flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Wed, Nov 12, priced at $479 found 1 day ago

Wed, Oct 29 - Wed, Nov 12

BOS

Logan Intl.

LIS

Humberto Delgado

$501 Roundtrip, found 1 day ago

$501

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Oct 29 from Logan Intl. to Humberto Delgado, returning Wed, Nov 12, priced at $501 found 1 day ago

Mon, Oct 27 - Sat, Nov 15

BOS

Logan Intl.

LIS

Humberto Delgado

$507 Roundtrip, found 1 day ago

$507

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 27 from Logan Intl. to Humberto Delgado, returning Sat, Nov 15, priced at $507 found 1 day ago

Thu, Oct 30 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$510 Roundtrip, found 1 day ago

$510

Roundtrip

found 1 day ago

Select British Airways flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $510 found 1 day ago

Thu, Oct 30 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$519 Roundtrip, found 1 day ago

$519

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $519 found 1 day ago

Sat, Dec 13 - Sat, Dec 20

BOS

Logan Intl.

LIS

Humberto Delgado

$526 Roundtrip, found 3 days ago

$526

Roundtrip

found 3 days ago

Select Air Canada flight, departing Sat, Dec 13 from Logan Intl. to Humberto Delgado, returning Sat, Dec 20, priced at $526 found 3 days ago

Wed, Oct 29 - Wed, Nov 12

BOS

Logan Intl.

LIS

Humberto Delgado

$533 Roundtrip, found 1 day ago

$533

Roundtrip

found 1 day ago

Select Lufthansa flight, departing Wed, Oct 29 from Logan Intl. to Humberto Delgado, returning Wed, Nov 12, priced at $533 found 1 day ago

Thu, Oct 30 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$536 Roundtrip, found 1 day ago

$536

Roundtrip

found 1 day ago

Select Virgin Atlantic flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $536 found 1 day ago

Thu, Oct 30 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$588 Roundtrip, found 1 day ago

$588

Roundtrip

found 1 day ago

Select KLM flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $588 found 1 day ago

Thu, Oct 30 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$607 Roundtrip, found 1 day ago

$607

Roundtrip

found 1 day ago

Select Air France flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $607 found 1 day ago

Thu, Oct 30 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$678 Roundtrip, found 1 day ago

$678

Roundtrip

found 1 day ago

Select TAP Portugal flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $678 found 1 day ago

Thu, Oct 30 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$738 Roundtrip, found 1 day ago

$738

Roundtrip

found 1 day ago

Select Iberia flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $738 found 1 day ago

Thu, Oct 30 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$770 Roundtrip, found 1 day ago

$770

Roundtrip

found 1 day ago

Select Aer Lingus flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $770 found 1 day ago

Thu, Oct 30 - Thu, Nov 13

BOS

Logan Intl.

LIS

Humberto Delgado

$815 Roundtrip, found 1 day ago

$815

Roundtrip

found 1 day ago

Select SATA International-Azores Airlines S.A. flight, departing Thu, Oct 30 from Logan Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $815 found 1 day ago

Wed, Oct 29 - Wed, Nov 12

BOS

Logan Intl.

LIS

Humberto Delgado

$883 Roundtrip, found 1 day ago

$883

Roundtrip

found 1 day ago

Select Finnair flight, departing Wed, Oct 29 from Logan Intl. to Humberto Delgado, returning Wed, Nov 12, priced at $883 found 1 day ago

Wed, Oct 29 - Wed, Nov 12

BOS

Logan Intl.

LIS

Humberto Delgado

$1,142 Roundtrip, found 1 day ago

$1,142

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Wed, Oct 29 from Logan Intl. to Humberto Delgado, returning Wed, Nov 12, priced at $1,142 found 1 day ago

Sat, Dec 13 - Sat, Dec 20

BOS

Logan Intl.

LIS

Humberto Delgado

$1,513 Roundtrip, found 3 days ago

$1,513

Roundtrip

found 3 days ago

Select Brussels Airlines flight, departing Sat, Dec 13 from Logan Intl. to Humberto Delgado, returning Sat, Dec 20, priced at $1,513 found 3 days ago