Flights from Boston to Usseira

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, Oct 21 - Wed, Oct 22

BOS

Logan Intl.

LIS

Humberto Delgado

$424 Roundtrip, found 1 day ago

$424

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Oct 21 from Logan Intl. to Humberto Delgado, returning Wed, Oct 22, priced at $424 found 1 day ago

Mon, Oct 20 - Wed, Oct 22

BOS

Logan Intl.

LIS

Humberto Delgado

$428 Roundtrip, found 1 day ago

$428

Roundtrip

found 1 day ago

Select British Airways flight, departing Mon, Oct 20 from Logan Intl. to Humberto Delgado, returning Wed, Oct 22, priced at $428 found 1 day ago

Wed, Oct 1 - Sun, Oct 26

BOS

Logan Intl.

LIS

Humberto Delgado

$461 Roundtrip, found 3 days ago

$461

Roundtrip

found 3 days ago

Select Icelandair flight, departing Wed, Oct 1 from Logan Intl. to Humberto Delgado, returning Sun, Oct 26, priced at $461 found 3 days ago

Sun, Oct 19 - Thu, Oct 30

BOS

Logan Intl.

LIS

Humberto Delgado

$490 Roundtrip, found 1 day ago

$490

Roundtrip

found 1 day ago

Select TAP Portugal flight, departing Sun, Oct 19 from Logan Intl. to Humberto Delgado, returning Thu, Oct 30, priced at $490 found 1 day ago

Sat, Sep 27 - Mon, Oct 27

BOS

Logan Intl.

LIS

Humberto Delgado

$495 Roundtrip, found 3 days ago

$495

Roundtrip

found 3 days ago

Select United flight, departing Sat, Sep 27 from Logan Intl. to Humberto Delgado, returning Mon, Oct 27, priced at $495 found 3 days ago

Wed, Oct 1 - Wed, Oct 29

BOS

Logan Intl.

LIS

Humberto Delgado

$497 Roundtrip, found 3 days ago

$497

Roundtrip

found 3 days ago

Select American Airlines flight, departing Wed, Oct 1 from Logan Intl. to Humberto Delgado, returning Wed, Oct 29, priced at $497 found 3 days ago

Sun, Oct 26 - Wed, Oct 29

BOS

Logan Intl.

LIS

Humberto Delgado

$509 Roundtrip, found 2 days ago

$509

Roundtrip

found 2 days ago

Select Scandinavian Airlines flight, departing Sun, Oct 26 from Logan Intl. to Humberto Delgado, returning Wed, Oct 29, priced at $509 found 2 days ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$519 Roundtrip, found 1 hour ago

$519

Roundtrip

found 1 hour ago

Select Swiss International Air Lines flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $519 found 1 hour ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$532 Roundtrip, found 1 hour ago

$532

Roundtrip

found 1 hour ago

Select Lufthansa flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $532 found 1 hour ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$547 Roundtrip, found 1 hour ago

$547

Roundtrip

found 1 hour ago

Select Virgin Atlantic flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $547 found 1 hour ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$547 Roundtrip, found 1 hour ago

$547

Roundtrip

found 1 hour ago

Select Delta flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $547 found 1 hour ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$574 Roundtrip, found 1 hour ago

$574

Roundtrip

found 1 hour ago

Select Air Canada flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $574 found 1 hour ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$599 Roundtrip, found 1 hour ago

$599

Roundtrip

found 1 hour ago

Select KLM flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $599 found 1 hour ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$599 Roundtrip, found 1 hour ago

$599

Roundtrip

found 1 hour ago

Select Air France flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $599 found 1 hour ago

Tue, Oct 21 - Sat, Nov 1

BOS

Logan Intl.

LIS

Humberto Delgado

$623 Roundtrip, found 1 day ago

$623

Roundtrip

found 1 day ago

Select SATA International-Azores Airlines S.A. flight, departing Tue, Oct 21 from Logan Intl. to Humberto Delgado, returning Sat, Nov 1, priced at $623 found 1 day ago

Wed, Oct 1 - Wed, Oct 29

BOS

Logan Intl.

LIS

Humberto Delgado

$660 Roundtrip, found 3 days ago

$660

Roundtrip

found 3 days ago

Select Iberia flight, departing Wed, Oct 1 from Logan Intl. to Humberto Delgado, returning Wed, Oct 29, priced at $660 found 3 days ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$879 Roundtrip, found 1 hour ago

$879

Roundtrip

found 1 hour ago

Select Finnair flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $879 found 1 hour ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$956 Roundtrip, found 1 hour ago

$956

Roundtrip

found 1 hour ago

Select Aer Lingus flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $956 found 1 hour ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

LIS

Humberto Delgado

$973 Roundtrip, found 1 hour ago

$973

Roundtrip

found 1 hour ago

Select JetBlue Airways flight, departing Mon, Sep 8 from Logan Intl. to Humberto Delgado, returning Mon, Sep 15, priced at $973 found 1 hour ago

Wed, Oct 1 - Wed, Oct 29

BOS

Logan Intl.

LIS

Humberto Delgado

$1,401 Roundtrip, found 3 days ago

$1,401

Roundtrip

found 3 days ago

Select Royal Air Maroc flight, departing Wed, Oct 1 from Logan Intl. to Humberto Delgado, returning Wed, Oct 29, priced at $1,401 found 3 days ago