Cheapest one-way flights from Houston (IAH) to Lisbon (LIS), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
17 Oct Frontier Airlines
25 Oct British Airways
26 Oct British Airways
24 Oct Air Canada
09 Oct Frontier Airlines
23 Oct British Airways
22 Oct United
20 Oct Lufthansa
21 Oct British Airways
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deals for return flights from Houston to Lisbon in October.

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Updated Jul 25, 2026.

About these fares

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