Cheapest return flights from Houston to Lisbon in May from 797€

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 May 2025 (see full year).

Return flights

29 May - 05 Jun Air Canada
30 May - 06 Jun Finnair
31 May - 07 Jun WestJet

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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