Cheapest return flights from Houston to Lisbon in May from 590€

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

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

Return flights

06 May - 15 May Finnair
06 May - 16 May Air France
06 May - 14 May Air France
04 May - 11 May KLM
14 May - 21 May Air France
13 May - 20 May Delta
12 May - 20 May KLM
15 May - 22 May Air France
16 May - 23 May Delta
30 May - 07 Jun Delta
29 May - 06 Jun American Airlines
17 May - 24 May Air France

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

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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