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

Return flights

04 Feb - 11 Feb	Air France
14 Feb - 21 Feb	Air France
24 Feb - 01 Mar	Air France
14 Feb - 19 Feb	Frontier Airlines
21 Feb - 24 Feb	Spirit Airlines
19 Feb - 21 Feb	Frontier Airlines
01 Feb - 03 Feb	Spirit Airlines

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

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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Cheapest return flights from Houston to Lisbon in February from 457€

Return flights