Cheapest return flights from Houston to Lisbon in August from 556€

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

Return flights

11 Aug - 26 Aug Spirit Airlines
31 Aug - 14 Sep Spirit Airlines
18 Aug - 03 Sep Air Canada
01 Aug - 29 Aug Air France
05 Aug - 11 Aug Spirit Airlines
15 Aug - 31 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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