Cheapest return flights from Houston to Lisbon in August from 582€

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 August 2025 (see full year).

Return flights

19 Aug - 26 Aug American Airlines
20 Aug - 27 Aug American Airlines
14 Aug - 21 Aug Air France
18 Aug - 25 Aug Air France
21 Aug - 28 Aug Air France
15 Aug - 22 Aug Air France
16 Aug - 23 Aug Air France
17 Aug - 24 Aug Air France
27 Aug - 03 Sep Air France
28 Aug - 04 Sep Air France
25 Aug - 01 Sep Air France
26 Aug - 02 Sep Air France
22 Aug - 29 Aug Air France
23 Aug - 30 Aug Air France

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

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.

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