Cheapest return flights from Houston to Lisbon in May from 577€

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

13 May - 20 May Spirit Airlines
12 May - 19 May Spirit Airlines
06 May - 13 May Air Canada
11 May - 19 May Spirit Airlines
14 May - 21 May Air Canada
06 May - 14 May Air Canada
13 May - 21 May Air Canada
04 May - 12 May Air Canada
12 May - 17 May Spirit Airlines
05 May - 13 May Air Canada
26 May - 03 Jun Air Canada
27 May - 04 Jun Air Canada
28 May - 05 Jun Air Canada
29 May - 05 Jun Air Canada
25 May - 02 Jun Air Canada
25 May - 01 Jun Air Canada
27 May - 05 Jun Delta
29 May - 06 Jun United
26 May - 25 Jun United
31 May - 07 Jun Air Canada

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

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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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