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

Return flights

24 Mar - 31 Mar	Air Canada
10 Mar - 17 Mar	Air Canada
03 Mar - 10 Mar	Air Canada
04 Mar - 11 Mar	Air Canada
11 Mar - 18 Mar	Air Canada
02 Mar - 09 Mar	Air France
09 Mar - 16 Mar	Air France
16 Mar - 23 Mar	Air France
17 Mar - 24 Mar	Air France
22 Mar - 29 Mar	Air France
21 Mar - 02 Apr	Air Canada
25 Mar - 01 Apr	Air France
31 Mar - 07 Apr	Air Canada
30 Mar - 06 Apr	Air France
26 Mar - 02 Apr	Air France
29 Mar - 05 Apr	Air Canada
27 Mar - 03 Apr	Air France
28 Mar - 04 Apr	Air Canada

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 435€

Return flights