AirHint found the following cheapest return flights from San Francisco (SFO) to Shanghai (PVG) in September 2025 (see full year).

Return flights

29 Sep - 09 Oct	Philippine Airlines
18 Sep - 23 Sep	Philippine Airlines
18 Sep - 25 Sep	Philippine Airlines
29 Sep - 05 Oct	Philippine Airlines
22 Sep - 29 Sep	Cathay Pacific
22 Sep - 21 Oct	Cathay Pacific
18 Sep - 17 Oct	Philippine Airlines
29 Sep - 11 Oct	Philippine Airlines
29 Sep - 25 Oct	Cathay Pacific
18 Sep - 03 Oct	Philippine Airlines
22 Sep - 24 Sep	Cathay Pacific
27 Sep - 25 Oct	Cathay Pacific
18 Sep - 02 Oct	Cathay Pacific
26 Sep - 26 Oct	China Southern
22 Sep - 28 Sep	Cathay Pacific
23 Sep - 28 Sep	Cathay Pacific
18 Sep - 23 Sep	United	direct
22 Sep - 30 Sep	Delta
18 Sep - 25 Sep	United	direct
26 Sep - 30 Sep	Delta

Also check the deals for one-way flights from San Francisco to Shanghai 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 San Francisco to Shanghai in September from $658

Return flights