Cheapest return IAH–FCO flights, September

AirHint found the following cheapest return flights from Houston (IAH) to Rome (FCO) in September 2026 (see full year).

Return flights

28 Sep - 12 Oct Frontier Airlines
10 Sep - 15 Sep Frontier Airlines
01 Sep - 15 Sep Austrian Airlines
02 Sep - 23 Sep Lufthansa
23 Sep - 30 Sep Lufthansa
18 Sep - 28 Sep Frontier Airlines
09 Sep - 16 Sep Lufthansa
05 Sep - 18 Sep Frontier Airlines
06 Sep - 20 Sep Lufthansa
22 Sep - 29 Sep Frontier Airlines
11 Sep - 15 Sep jetBlue
23 Sep - 10 Oct Air Canada

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

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