Cheapest return flights from Houston to Lisbon in January from 423€

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

Return flights

13 Jan - 20 Jan Brussels Airlines
24 Jan - 31 Jan Brussels Airlines
29 Jan - 06 Feb Air France
15 Jan - 28 Jan Air France
24 Jan - 08 Feb Air France
16 Jan - 20 Jan KLM
10 Jan - 17 Jan British Airways
19 Jan - 24 Jan Spirit Airlines

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

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