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

Return flights

15 Mar - 23 Mar	British Airways
15 Mar - 22 Mar	British Airways
16 Mar - 22 Mar	British Airways
09 Mar - 16 Mar	Air France
25 Mar - 10 Apr	Delta
14 Mar - 19 Mar	Turkish Airlines
28 Mar - 03 Apr	Turkish Airlines
29 Mar - 05 Apr	Turkish Airlines
13 Mar - 22 Mar	Air Canada
11 Mar - 15 Mar	Air France
07 Mar - 14 Mar	Spirit Airlines

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

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 March from $533

Return flights