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

Return flights

07 Sep - 28 Sep	Spirit Airlines
03 Sep - 11 Sep	Turkish Airlines
15 Sep - 30 Sep	Qatar Airways	direct
30 Sep - 07 Oct	Qatar Airways	direct
08 Sep - 24 Sep	Emirates
02 Sep - 11 Sep	Spirit Airlines
04 Sep - 06 Sep	Frontier Airlines
08 Sep - 24 Sep	Qatar Airways	direct
03 Sep - 11 Sep	Qatar Airways	direct
02 Sep - 11 Sep	Qatar Airways	direct
07 Sep - 28 Sep	Qatar Airways	direct

Also check the deals for one-way flights from Houston to Doha 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 Doha in September from 821€

Return flights