$738 Cheap United flights Philadelphia (PHL) to Lisbon (LIS)

$738 Cheap United flights Philadelphia (PHL) to Lisbon (LIS)

Prices were available within the past 7 days and start at $738 for one-way flights and $937 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, May 4 - Thu, May 21

PHL

Philadelphia

LIS

Lisbon

$937 Roundtrip, found 1 day ago

$937

Roundtrip

found 1 day ago

Select United flight, departing Mon, May 4 from Philadelphia to Lisbon, returning Thu, May 21, priced at $937 found 1 day ago

Thu, May 7 - Wed, May 20

PHL

Philadelphia

LIS

Lisbon

$1,001 Roundtrip, found 1 day ago

$1,001

Roundtrip

found 1 day ago

Select United flight, departing Thu, May 7 from Philadelphia to Lisbon, returning Wed, May 20, priced at $1,001 found 1 day ago

Thu, May 7 - Wed, May 20

PHL

Philadelphia

LIS

Lisbon

$1,003 Roundtrip, found 1 day ago

$1,003

Roundtrip

found 1 day ago

Select United flight, departing Thu, May 7 from Philadelphia to Lisbon, returning Wed, May 20, priced at $1,003 found 1 day ago

Thu, May 7 - Wed, May 20

PHL

Philadelphia

LIS

Lisbon

$1,004 Roundtrip, found 1 day ago

$1,004

Roundtrip

found 1 day ago

Select United flight, departing Thu, May 7 from Philadelphia to Lisbon, returning Wed, May 20, priced at $1,004 found 1 day ago