Cheapest return flights from Houston to Lisbon in December from 461€

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

Return flights

01 Dec - 10 Dec Air France
31 Dec - 10 Jan United
16 Dec - 10 Jan Spirit Airlines
16 Dec - 26 Dec Delta
31 Dec - 09 Jan Air France
24 Dec - 28 Dec Air France
11 Dec - 06 Jan Delta
11 Dec - 03 Jan Spirit Airlines
23 Dec - 28 Dec British Airways
28 Dec - 04 Jan Lufthansa
29 Dec - 04 Jan Spirit Airlines
19 Dec - 28 Dec WestJet

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

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