AirHint found the following cheapest return flights from San Francisco (SFO) to Shanghai (PVG) in May 2026 (see full year).

Return flights

06 May - 27 May	Vietnam Airlines
04 May - 02 Jun	Korean Air
13 May - 23 May	Vietnam Airlines
01 May - 30 May	Korean Air
02 May - 07 May	Korean Air
16 May - 31 May	Alaska Airlines
21 May - 28 May	Korean Air
29 May - 23 Jun	Flair Airlines
29 May - 25 Jun	Flair Airlines
27 May - 05 Jun	Korean Air
29 May - 01 Jun	WestJet
06 May - 27 May	United	direct
01 May - 30 May	United	direct
29 May - 23 Jun	United	direct
16 May - 31 May	United	direct

Also check the deals for one-way flights from San Francisco to Shanghai in May.

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 May from $789

Return flights