Flights from Boston to Mafra

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.

Tue, Sep 9 - Wed, Sep 10

BOS

Logan Intl.

LIS

Humberto Delgado

$425 Roundtrip, found 1 day ago

$425

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Sep 9 from Logan Intl. to Humberto Delgado, returning Wed, Sep 10, priced at $425 found 1 day ago

Tue, Sep 9 - Thu, Sep 11

BOS

Logan Intl.

LIS

Humberto Delgado

$429 Roundtrip, found 1 day ago

$429

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Sep 9 from Logan Intl. to Humberto Delgado, returning Thu, Sep 11, priced at $429 found 1 day ago

Sat, Sep 20 - Thu, Oct 2

BOS

Logan Intl.

LIS

Humberto Delgado

$469 Roundtrip, found 2 days ago

$469

Roundtrip

found 2 days ago

Select Icelandair flight, departing Sat, Sep 20 from Logan Intl. to Humberto Delgado, returning Thu, Oct 2, priced at $469 found 2 days ago

Sat, Sep 20 - Sun, Sep 28

BOS

Logan Intl.

LIS

Humberto Delgado

$476 Roundtrip, found 2 days ago

$476

Roundtrip

found 2 days ago

Select Icelandair flight, departing Sat, Sep 20 from Logan Intl. to Humberto Delgado, returning Sun, Sep 28, priced at $476 found 2 days ago

Sun, Sep 7 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$490 Roundtrip, found 5 days ago

$490

Roundtrip

found 5 days ago

Select TAP Portugal flight, departing Sun, Sep 7 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $490 found 5 days ago

Mon, Aug 25 - Wed, Sep 3

BOS

Logan Intl.

LIS

Humberto Delgado

$499 Roundtrip, found 2 days ago

$499

Roundtrip

found 2 days ago

Select United flight, departing Mon, Aug 25 from Logan Intl. to Humberto Delgado, returning Wed, Sep 3, priced at $499 found 2 days ago

Wed, Aug 27 - Thu, Sep 4

BOS

Logan Intl.

LIS

Humberto Delgado

$505 Roundtrip, found 2 days ago

$505

Roundtrip

found 2 days ago

Select Air Canada flight, departing Wed, Aug 27 from Logan Intl. to Humberto Delgado, returning Thu, Sep 4, priced at $505 found 2 days ago

Wed, Sep 24 - Wed, Oct 1

BOS

Logan Intl.

LIS

Humberto Delgado

$521 Roundtrip, found 2 days ago

$521

Roundtrip

found 2 days ago

Select Swiss International Air Lines flight, departing Wed, Sep 24 from Logan Intl. to Humberto Delgado, returning Wed, Oct 1, priced at $521 found 2 days ago

Wed, Sep 10 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$559 Roundtrip, found 5 days ago

$559

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Sep 10 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $559 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$565 Roundtrip, found 5 days ago

$565

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Sep 10 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $565 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$617 Roundtrip, found 5 days ago

$617

Roundtrip

found 5 days ago

Select Air France flight, departing Wed, Sep 10 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $617 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$748 Roundtrip, found 5 days ago

$748

Roundtrip

found 5 days ago

Select KLM flight, departing Wed, Sep 10 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $748 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$780 Roundtrip, found 5 days ago

$780

Roundtrip

found 5 days ago

Select Iberia flight, departing Wed, Sep 10 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $780 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$815 Roundtrip, found 5 days ago

$815

Roundtrip

found 5 days ago

Select Lufthansa flight, departing Wed, Sep 10 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $815 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$1,006 Roundtrip, found 5 days ago

$1,006

Roundtrip

found 5 days ago

Select Finnair flight, departing Wed, Sep 10 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $1,006 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$1,011 Roundtrip, found 5 days ago

$1,011

Roundtrip

found 5 days ago

Select Aer Lingus flight, departing Wed, Sep 10 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $1,011 found 5 days ago

Sat, Sep 13 - Tue, Sep 16

BOS

Logan Intl.

LIS

Humberto Delgado

$1,148 Roundtrip, found 5 days ago

$1,148

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Sat, Sep 13 from Logan Intl. to Humberto Delgado, returning Tue, Sep 16, priced at $1,148 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

BOS

Logan Intl.

LIS

Humberto Delgado

$1,265 Roundtrip, found 5 days ago

$1,265

Roundtrip

found 5 days ago

Select SATA International-Azores Airlines S.A. flight, departing Wed, Sep 10 from Logan Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $1,265 found 5 days ago

Sun, Aug 10 - Sat, Aug 16

BOS

Logan Intl.

LIS

Humberto Delgado

$3,625 Roundtrip, found 2 days ago

$3,625

Roundtrip

found 2 days ago

Select Virgin Atlantic flight, departing Sun, Aug 10 from Logan Intl. to Humberto Delgado, returning Sat, Aug 16, priced at $3,625 found 2 days ago

Sun, Aug 10 - Sat, Aug 16

BOS

Logan Intl.

LIS

Humberto Delgado

$4,438 Roundtrip, found 2 days ago

$4,438

Roundtrip

found 2 days ago

Select Brussels Airlines flight, departing Sun, Aug 10 from Logan Intl. to Humberto Delgado, returning Sat, Aug 16, priced at $4,438 found 2 days ago