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

Return flights

25 Nov - 02 Dec	Air Canada
11 Nov - 18 Nov	Air Canada
12 Nov - 19 Nov	Air Canada
18 Nov - 25 Nov	Air Canada
26 Nov - 03 Dec	Air Canada
04 Nov - 11 Nov	Air Canada
19 Nov - 26 Nov	Air Canada
17 Nov - 24 Nov	Air Canada
24 Nov - 01 Dec	Air Canada
10 Nov - 17 Nov	KLM
03 Nov - 10 Nov	Air France
05 Nov - 12 Nov	Air France
27 Nov - 04 Dec	Air Canada
09 Nov - 26 Nov	Air France
28 Nov - 05 Dec	Air Canada
30 Nov - 07 Dec	Air Canada
18 Nov - 13 Dec	Air Canada
11 Nov - 06 Dec	Air Canada
10 Nov - 06 Dec	Air Canada
29 Nov - 06 Dec	Air Canada

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

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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Cheapest return flights from Houston to Lisbon in November from 453€

Return flights