Flights from Boston to Frende

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, Jul 22 - Wed, Sep 24

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$567 Roundtrip, found 5 days ago

$567

Roundtrip

found 5 days ago

Select TAP Portugal flight, departing Tue, Jul 22 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Wed, Sep 24, priced at $567 found 5 days ago

Sun, Jul 20 - Tue, Sep 23

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$572 Roundtrip, found 5 days ago

$572

Roundtrip

found 5 days ago

Select Delta flight, departing Sun, Jul 20 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Tue, Sep 23, priced at $572 found 5 days ago

Mon, Jul 21 - Thu, Sep 18

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$581 Roundtrip, found 5 days ago

$581

Roundtrip

found 5 days ago

Select British Airways flight, departing Mon, Jul 21 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Thu, Sep 18, priced at $581 found 5 days ago

Sun, Jul 20 - Thu, Sep 18

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$598 Roundtrip, found 5 days ago

$598

Roundtrip

found 5 days ago

Select Delta flight, departing Sun, Jul 20 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Thu, Sep 18, priced at $598 found 5 days ago

Tue, Jul 22 - Mon, Sep 22

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$612 Roundtrip, found 5 days ago

$612

Roundtrip

found 5 days ago

Select TAP Portugal flight, departing Tue, Jul 22 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Mon, Sep 22, priced at $612 found 5 days ago

Mon, Jul 21 - Sun, Sep 21

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$613 Roundtrip, found 5 days ago

$613

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Jul 21 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Sun, Sep 21, priced at $613 found 5 days ago

Tue, Jul 22 - Mon, Sep 22

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$629 Roundtrip, found 5 days ago

$629

Roundtrip

found 5 days ago

Select TAP Portugal flight, departing Tue, Jul 22 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Mon, Sep 22, priced at $629 found 5 days ago

Mon, Jul 21 - Mon, Sep 22

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$633 Roundtrip, found 5 days ago

$633

Roundtrip

found 5 days ago

Select British Airways flight, departing Mon, Jul 21 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Mon, Sep 22, priced at $633 found 5 days ago

Wed, Jul 23 - Sun, Sep 21

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$636 Roundtrip, found 5 days ago

$636

Roundtrip

found 5 days ago

Select Air Canada flight, departing Wed, Jul 23 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Sun, Sep 21, priced at $636 found 5 days ago

Wed, Jul 23 - Sat, Sep 20

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$640 Roundtrip, found 5 days ago

$640

Roundtrip

found 5 days ago

Select United flight, departing Wed, Jul 23 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Sat, Sep 20, priced at $640 found 5 days ago

Sat, Jul 19 - Fri, Sep 19

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$641 Roundtrip, found 5 days ago

$641

Roundtrip

found 5 days ago

Select British Airways flight, departing Sat, Jul 19 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Fri, Sep 19, priced at $641 found 5 days ago

Mon, Jul 21 - Sun, Sep 21

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$666 Roundtrip, found 5 days ago

$666

Roundtrip

found 5 days ago

Select Lufthansa flight, departing Mon, Jul 21 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Sun, Sep 21, priced at $666 found 5 days ago

Mon, Jun 23 - Tue, Jul 8

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$673 Roundtrip, found 2 days ago

$673

Roundtrip

found 2 days ago

Select United flight, departing Mon, Jun 23 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Tue, Jul 8, priced at $673 found 2 days ago

Mon, Jul 21 - Sun, Sep 21

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$683 Roundtrip, found 5 days ago

$683

Roundtrip

found 5 days ago

Select KLM flight, departing Mon, Jul 21 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Sun, Sep 21, priced at $683 found 5 days ago

Mon, Jul 21 - Sun, Sep 21

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$685 Roundtrip, found 5 days ago

$685

Roundtrip

found 5 days ago

Select Air France flight, departing Mon, Jul 21 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Sun, Sep 21, priced at $685 found 5 days ago

Mon, Jun 23 - Tue, Jul 8

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$692 Roundtrip, found 2 days ago

$692

Roundtrip

found 2 days ago

Select Swiss International Air Lines flight, departing Mon, Jun 23 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Tue, Jul 8, priced at $692 found 2 days ago

Mon, Jul 21 - Sun, Sep 21

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$728 Roundtrip, found 5 days ago

$728

Roundtrip

found 5 days ago

Select Fly Play flight, departing Mon, Jul 21 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Sun, Sep 21, priced at $728 found 5 days ago

Fri, Jul 25 - Sat, Sep 20

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$766 Roundtrip, found 5 days ago

$766

Roundtrip

found 5 days ago

Select SATA International-Azores Airlines S.A. flight, departing Fri, Jul 25 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Sat, Sep 20, priced at $766 found 5 days ago

Tue, Jul 22 - Mon, Sep 22

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$791 Roundtrip, found 5 days ago

$791

Roundtrip

found 5 days ago

Select Iberia flight, departing Tue, Jul 22 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Mon, Sep 22, priced at $791 found 5 days ago

Tue, Jul 22 - Mon, Sep 22

BOS

Logan Intl.

OPO

Dr. Francisco de Sa Carneiro

$940 Roundtrip, found 5 days ago

$940

Roundtrip

found 5 days ago

Select Turkish Airlines flight, departing Tue, Jul 22 from Logan Intl. to Dr. Francisco de Sa Carneiro, returning Mon, Sep 22, priced at $940 found 5 days ago