Cheapest return flights from Houston to Lisbon in May from 652€

AirHint found the following cheapest return flights from Houston (IAH) to Lisbon (LIS) in May 2026 (see full year).

Return flights

16 May - 22 May Air France
18 May - 28 May Finnair
13 May - 30 May ITA Airways
16 May - 30 May Spirit Airlines
25 May - 02 Jun Spirit Airlines
23 May - 30 May Spirit Airlines
23 May - 31 May Spirit Airlines
24 May - 01 Jun Spirit Airlines
26 May - 03 Jun Spirit Airlines
22 May - 29 May Spirit Airlines
26 May - 30 May WestJet
27 May - 04 Jun Spirit Airlines
21 May - 28 May Air Canada
22 May - 30 May Spirit Airlines
31 May - 08 Jun Spirit Airlines
30 May - 07 Jun Spirit Airlines
29 May - 06 Jun Spirit Airlines
28 May - 05 Jun Spirit Airlines

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

Powered by

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.