Other Options for This Route
Houston (IAH) to Lisbon (LIS) in May from $671
From $671
Houston (IAH) to Lisbon (LIS) in May from $4,981
From $4,981
Houston (IAH) to Lisbon (LIS) in October from $371
From $371
Houston (IAH) to Lisbon (LIS) in November from $443
From $443
Houston (IAH) to Lisbon (LIS) in March from $683
From $683
Houston (IAH) to Lisbon (LIS) in April from $556
From $556