Cheapest return flights from Houston to Lisbon in July from 679€

Best time to book flights for Houston (IAH) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Lisbon (LIS) in July 2025 (see full year).

Return flights

28 Jul - 05 Aug British Airways
16 Jul - 24 Jul British Airways
16 Jul - 23 Jul British Airways
17 Jul - 24 Jul British Airways
15 Jul - 23 Jul British Airways
23 Jul - 31 Jul British Airways
20 Jul - 28 Jul British Airways
21 Jul - 29 Jul British Airways
22 Jul - 30 Jul British Airways
28 Jul - 04 Aug British Airways
14 Jul - 21 Jul British Airways
15 Jul - 22 Jul British Airways
27 Jul - 04 Aug British Airways
24 Jul - 01 Aug British Airways
27 Jul - 03 Aug British Airways
26 Jul - 02 Aug British Airways
26 Jul - 03 Aug British Airways
25 Jul - 02 Aug British Airways
25 Jul - 01 Aug Finnair

Also check the deals for one-way flights from Houston to Lisbon in July.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon