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

Return flights

19 Aug - 26 Aug	Hawaiian Airlines
25 Aug - 01 Sep	Air Canada
26 Aug - 02 Sep	Air Canada
21 Aug - 28 Aug	Turkish Airlines
27 Aug - 03 Sep	Turkish Airlines
28 Aug - 04 Sep	Turkish Airlines
27 Aug - 10 Sep	British Airways
31 Aug - 07 Sep	Air Canada
05 Aug - 19 Aug	Air France
22 Aug - 29 Aug	Turkish Airlines
29 Aug - 05 Sep	Turkish Airlines
24 Aug - 07 Sep	Lufthansa
24 Aug - 31 Aug	Lufthansa
23 Aug - 30 Aug	Turkish Airlines
30 Aug - 06 Sep	Turkish Airlines
07 Aug - 14 Aug	United
11 Aug - 18 Aug	United
13 Aug - 20 Aug	United
05 Aug - 12 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 561€

Return flights