Cheapest return flights from Houston to Lisbon in December from 483€

AirHint found the following cheapest return flights from Houston (HOU) to Lisbon (LIS) in December 2025 (see full year).

Return flights

07 Dec - 13 Dec Air France
06 Dec - 14 Dec Air Canada
03 Dec - 14 Jan Lufthansa
01 Dec - 07 Dec Lufthansa
14 Dec - 21 Dec United
14 Dec - 26 Dec United
26 Dec - 09 Jan Spirit Airlines
14 Dec - 20 Dec Frontier Airlines
25 Dec - 31 Dec Frontier Airlines
28 Dec - 03 Jan Lufthansa

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

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