Cheapest return flights from Houston to Lisbon in April from 427€

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

Return flights

07 Apr - 14 Apr Lufthansa
08 Apr - 15 Apr Lufthansa
13 Apr - 20 Apr Finnair
27 Apr - 04 May Finnair
09 Apr - 16 Apr United
14 Apr - 21 Apr Lufthansa
06 Apr - 13 Apr Air Canada
24 Apr - 05 May Finnair
26 Apr - 03 May Finnair
11 Apr - 18 Apr Lufthansa
21 Apr - 26 Apr Delta
12 Apr - 19 Apr Air France
22 Apr - 26 Apr Air France
30 Apr - 07 May British Airways
26 Apr - 24 May Air France

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

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