AirHint found the following cheapest return flights from Houston (HOU) to Budapest (BUD) in September 2025 (see full year).

Return flights

08 Sep - 24 Sep	Lufthansa
01 Sep - 08 Sep	Lufthansa
05 Sep - 19 Sep	United
15 Sep - 29 Sep	Spirit Airlines
18 Sep - 11 Oct	Spirit Airlines
07 Sep - 14 Sep	Delta
06 Sep - 14 Sep	Delta
07 Sep - 13 Sep	Delta

Also check the deals for one-way flights from Houston to Budapest 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 Budapest in September from 482€

Return flights