Cheapest return flights from Houston to Lisbon in October from $594

Best time to book flights for Houston (IAH) to Lisbon (LIS) flights at AirHint

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

Return flights

27 Oct - 04 Nov United
28 Oct - 05 Nov United
26 Oct - 03 Nov Air France
30 Oct - 07 Nov Air Canada
08 Oct - 16 Oct Brussels Airlines
13 Oct - 21 Oct Air Canada
14 Oct - 22 Oct Air Canada
20 Oct - 28 Oct Air Canada
22 Oct - 30 Oct Air Canada
21 Oct - 29 Oct United
31 Oct - 08 Nov Air France
16 Oct - 24 Oct Spirit Airlines
17 Oct - 24 Oct Spirit Airlines
23 Oct - 31 Oct Air France
24 Oct - 01 Nov Air France
25 Oct - 02 Nov Air France
12 Oct - 20 Oct Air Canada

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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