Cheap United flights Houston (IAH) to Lisbon (LIS)

Cheap United flights Houston (IAH) to Lisbon (LIS)

Prices were available within the past 7 days and start at for one-way flights and $641 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 7 - Tue, Apr 14

IAH

Houston

LIS

Lisbon

$641 Roundtrip, found 1 day ago

$641

Roundtrip

found 1 day ago

Select United flight, departing Tue, Apr 7 from Houston to Lisbon, returning Tue, Apr 14, priced at $641 found 1 day ago

Tue, Apr 7 - Sat, Apr 18

IAH

Houston

LIS

Lisbon

$701 Roundtrip, found 1 day ago

$701

Roundtrip

found 1 day ago

Select United flight, departing Tue, Apr 7 from Houston to Lisbon, returning Sat, Apr 18, priced at $701 found 1 day ago

Thu, Apr 9 - Sat, Apr 18

IAH

Houston

LIS

Lisbon

$761 Roundtrip, found 1 day ago

$761

Roundtrip

found 1 day ago

Select United flight, departing Thu, Apr 9 from Houston to Lisbon, returning Sat, Apr 18, priced at $761 found 1 day ago