AirHint found the following cheapest return flights from Houston (HOU) to Bucharest (OTP) in July 2025 (see full year).

Return flights

09 Jul - 22 Jul	Spirit Airlines
09 Jul - 18 Jul	Spirit Airlines
09 Jul - 20 Jul	Spirit Airlines
09 Jul - 21 Jul	Spirit Airlines
09 Jul - 19 Jul	Spirit Airlines
30 Jul - 06 Aug	Air France
29 Jul - 05 Aug	Spirit Airlines
07 Jul - 31 Jul	Spirit Airlines
31 Jul - 07 Aug	Air France
16 Jul - 26 Jul	Lufthansa

Also check the deals for one-way flights from Houston to Bucharest in July.

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 Bucharest in July from $814

Return flights