AirHint found the following cheapest return flights from San Francisco (SFO) to Bucharest (OTP) in August 2025 (see full year).

Return flights

06 Aug - 20 Aug	British Airways
25 Aug - 08 Sep	Air Canada
28 Aug - 11 Sep	Turkish Airlines
27 Aug - 03 Sep	United
25 Aug - 01 Sep	SWISS
26 Aug - 02 Sep	Air Canada
28 Aug - 04 Sep	Turkish Airlines
21 Aug - 28 Aug	Turkish Airlines
12 Aug - 19 Aug	United
29 Aug - 05 Sep	Turkish Airlines
22 Aug - 29 Aug	Turkish Airlines
20 Aug - 27 Aug	United
24 Aug - 31 Aug	Turkish Airlines
14 Aug - 21 Aug	United
31 Aug - 07 Sep	Turkish Airlines
18 Aug - 25 Aug	United
23 Aug - 30 Aug	Frontier Airlines
30 Aug - 06 Sep	Turkish Airlines
16 Aug - 23 Aug	United

Also check the deals for one-way flights from San Francisco to Bucharest in August.

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 San Francisco to Bucharest in August from $618

Return flights