Every Lisbon–Houston fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/lisbon-to-houston/#2027-03-06-2027-03-13-IBhttps://flight.deals/flights/lisbon-to-houston/#2027-03-06-2027-03-13-IBLIS → HOU round-trip on Iberia, 2027-03-06 to 2027-03-13 (7 nights). Cached fare $954. Not enough cached history on this route yet to say what it usually costs.Sat, 17 Oct 2026 09:38:03 GMT