AirHint found the following cheapest return flights from Houston (IAH) to Lima (LIM) in September 2025 (see full year).

Return flights

06 Sep - 22 Sep	Avianca
11 Sep - 15 Sep	Avianca
21 Sep - 25 Sep	Avianca
20 Sep - 26 Sep	Avianca
01 Sep - 15 Sep	United	direct
03 Sep - 17 Sep	United	direct
04 Sep - 18 Sep	United	direct
08 Sep - 22 Sep	United	direct
09 Sep - 23 Sep	United	direct
17 Sep - 01 Oct	United	direct
23 Sep - 07 Oct	United	direct
25 Sep - 09 Oct	United	direct
30 Sep - 14 Oct	United	direct
06 Sep - 22 Sep	United	direct
18 Sep - 02 Oct	United	direct
24 Sep - 08 Oct	United	direct
19 Sep - 03 Oct	United	direct
26 Sep - 10 Oct	United	direct
27 Sep - 11 Oct	United	direct
20 Sep - 04 Oct	United

Also check the deals for one-way flights from Houston to Lima in September.

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 Lima in September from $518

Return flights