Cheapest return flights from Houston to Lisbon in August from 630€

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 Air Canada
20 Aug - 27 Aug British Airways
21 Aug - 28 Aug United
18 Aug - 25 Aug Air France
18 Aug - 24 Aug Finnair
17 Aug - 24 Aug Finnair
07 Aug - 21 Aug Delta
22 Aug - 29 Aug British Airways
08 Aug - 15 Aug British Airways
24 Aug - 31 Aug Air Canada

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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