Flights from Philadelphia to Sintra

Cheapest flights from Philadelphia

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, Nov 11 - Fri, Nov 21

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$642 Roundtrip, found 7 hours ago

$642

Roundtrip

found 7 hours ago

Select Scandinavian Airlines flight, departing Tue, Nov 11 from Philadelphia Intl. to Humberto Delgado, returning Fri, Nov 21, priced at $642 found 7 hours ago

Sat, Nov 8 - Fri, Nov 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$644 Roundtrip, found 3 days ago

$644

Roundtrip

found 3 days ago

Select Scandinavian Airlines flight, departing Sat, Nov 8 from Philadelphia Intl. to Humberto Delgado, returning Fri, Nov 14, priced at $644 found 3 days ago

Wed, Nov 12 - Wed, Nov 19

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$654 Roundtrip, found 7 hours ago

$654

Roundtrip

found 7 hours ago

Select TAP Portugal flight, departing Wed, Nov 12 from Philadelphia Intl. to Humberto Delgado, returning Wed, Nov 19, priced at $654 found 7 hours ago

Tue, Nov 11 - Thu, Nov 20

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$658 Roundtrip, found 7 hours ago

$658

Roundtrip

found 7 hours ago

Select United flight, departing Tue, Nov 11 from Philadelphia Intl. to Humberto Delgado, returning Thu, Nov 20, priced at $658 found 7 hours ago

Tue, Nov 4 - Thu, Nov 13

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$659 Roundtrip, found 3 days ago

$659

Roundtrip

found 3 days ago

Select United flight, departing Tue, Nov 4 from Philadelphia Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $659 found 3 days ago

Mon, Nov 10 - Tue, Nov 18

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$662 Roundtrip, found 7 hours ago

$662

Roundtrip

found 7 hours ago

Select United flight, departing Mon, Nov 10 from Philadelphia Intl. to Humberto Delgado, returning Tue, Nov 18, priced at $662 found 7 hours ago

Wed, Nov 12 - Wed, Nov 19

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$663 Roundtrip, found 7 hours ago

$663

Roundtrip

found 7 hours ago

Select British Airways flight, departing Wed, Nov 12 from Philadelphia Intl. to Humberto Delgado, returning Wed, Nov 19, priced at $663 found 7 hours ago

Sun, Nov 2 - Thu, Nov 13

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$663 Roundtrip, found 3 days ago

$663

Roundtrip

found 3 days ago

Select United flight, departing Sun, Nov 2 from Philadelphia Intl. to Humberto Delgado, returning Thu, Nov 13, priced at $663 found 3 days ago

Wed, Nov 12 - Wed, Nov 19

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$665 Roundtrip, found 7 hours ago

$665

Roundtrip

found 7 hours ago

Select American Airlines flight, departing Wed, Nov 12 from Philadelphia Intl. to Humberto Delgado, returning Wed, Nov 19, priced at $665 found 7 hours ago

Wed, Nov 12 - Wed, Nov 19

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$671 Roundtrip, found 7 hours ago

$671

Roundtrip

found 7 hours ago

Select Air Canada flight, departing Wed, Nov 12 from Philadelphia Intl. to Humberto Delgado, returning Wed, Nov 19, priced at $671 found 7 hours ago

Mon, Sep 22 - Mon, Sep 29

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$675 Roundtrip, found 1 day ago

$675

Roundtrip

found 1 day ago

Select TAP Portugal flight, departing Mon, Sep 22 from Philadelphia Intl. to Humberto Delgado, returning Mon, Sep 29, priced at $675 found 1 day ago

Sun, Nov 9 - Tue, Nov 18

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$680 Roundtrip, found 3 days ago

$680

Roundtrip

found 3 days ago

Select Delta flight, departing Sun, Nov 9 from Philadelphia Intl. to Humberto Delgado, returning Tue, Nov 18, priced at $680 found 3 days ago

Wed, Nov 5 - Sat, Nov 15

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$808 Roundtrip, found 3 days ago

$808

Roundtrip

found 3 days ago

Select KLM flight, departing Wed, Nov 5 from Philadelphia Intl. to Humberto Delgado, returning Sat, Nov 15, priced at $808 found 3 days ago

Tue, Mar 24 - Thu, Apr 9

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$823 Roundtrip, found 4 days ago

$823

Roundtrip

found 4 days ago

Select Virgin Atlantic flight, departing Tue, Mar 24 from Philadelphia Intl. to Humberto Delgado, returning Thu, Apr 9, priced at $823 found 4 days ago

Tue, Mar 24 - Thu, Apr 9

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$831 Roundtrip, found 4 days ago

$831

Roundtrip

found 4 days ago

Select Lufthansa flight, departing Tue, Mar 24 from Philadelphia Intl. to Humberto Delgado, returning Thu, Apr 9, priced at $831 found 4 days ago

Wed, Nov 12 - Wed, Nov 19

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$865 Roundtrip, found 7 hours ago

$865

Roundtrip

found 7 hours ago

Select Finnair flight, departing Wed, Nov 12 from Philadelphia Intl. to Humberto Delgado, returning Wed, Nov 19, priced at $865 found 7 hours ago

Wed, Nov 12 - Wed, Nov 19

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$891 Roundtrip, found 7 hours ago

$891

Roundtrip

found 7 hours ago

Select Iberia flight, departing Wed, Nov 12 from Philadelphia Intl. to Humberto Delgado, returning Wed, Nov 19, priced at $891 found 7 hours ago

Wed, Nov 5 - Sat, Nov 15

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$979 Roundtrip, found 3 days ago

$979

Roundtrip

found 3 days ago

Select Aer Lingus flight, departing Wed, Nov 5 from Philadelphia Intl. to Humberto Delgado, returning Sat, Nov 15, priced at $979 found 3 days ago

Mon, Sep 22 - Mon, Sep 29

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$1,231 Roundtrip, found 1 day ago

$1,231

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Mon, Sep 22 from Philadelphia Intl. to Humberto Delgado, returning Mon, Sep 29, priced at $1,231 found 1 day ago

Wed, Nov 5 - Sat, Nov 15

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$1,365 Roundtrip, found 3 days ago

$1,365

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Wed, Nov 5 from Philadelphia Intl. to Humberto Delgado, returning Sat, Nov 15, priced at $1,365 found 3 days ago