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, Sep 2 - Thu, Sep 11

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$769 Roundtrip, found 1 day ago

$769

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Sep 2 from Philadelphia Intl. to Humberto Delgado, returning Thu, Sep 11, priced at $769 found 1 day ago

Tue, Sep 2 - Wed, Sep 17

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$797 Roundtrip, found 1 day ago

$797

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Sep 2 from Philadelphia Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $797 found 1 day ago

Sun, Sep 7 - Wed, Sep 17

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$802 Roundtrip, found 1 day ago

$802

Roundtrip

found 1 day ago

Select British Airways flight, departing Sun, Sep 7 from Philadelphia Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $802 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$877 Roundtrip, found 1 day ago

$877

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $877 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$877 Roundtrip, found 1 day ago

$877

Roundtrip

found 1 day ago

Select Air Canada flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $877 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$884 Roundtrip, found 1 day ago

$884

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $884 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$903 Roundtrip, found 1 day ago

$903

Roundtrip

found 1 day ago

Select Lufthansa flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $903 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$923 Roundtrip, found 1 day ago

$923

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $923 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$976 Roundtrip, found 1 day ago

$976

Roundtrip

found 1 day ago

Select Air Canada flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $976 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$977 Roundtrip, found 1 day ago

$977

Roundtrip

found 1 day ago

Select Aer Lingus flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $977 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$983 Roundtrip, found 1 day ago

$983

Roundtrip

found 1 day ago

Select Air Canada flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $983 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$987 Roundtrip, found 1 day ago

$987

Roundtrip

found 1 day ago

Select Aer Lingus flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $987 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$989 Roundtrip, found 1 day ago

$989

Roundtrip

found 1 day ago

Select TAP Portugal flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $989 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$990 Roundtrip, found 1 day ago

$990

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $990 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$1,089 Roundtrip, found 1 day ago

$1,089

Roundtrip

found 1 day ago

Select Lufthansa flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $1,089 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$1,188 Roundtrip, found 1 day ago

$1,188

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $1,188 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$1,325 Roundtrip, found 1 day ago

$1,325

Roundtrip

found 1 day ago

Select Iberia flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $1,325 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$1,537 Roundtrip, found 1 day ago

$1,537

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $1,537 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$1,577 Roundtrip, found 1 day ago

$1,577

Roundtrip

found 1 day ago

Select Finnair flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $1,577 found 1 day ago

Fri, Sep 5 - Sun, Sep 14

PHL

Philadelphia Intl.

LIS

Humberto Delgado

$1,689 Roundtrip, found 1 day ago

$1,689

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Fri, Sep 5 from Philadelphia Intl. to Humberto Delgado, returning Sun, Sep 14, priced at $1,689 found 1 day ago