AirHint found the following cheapest return flights from Boston (BOS) to Shanghai (PVG) in December 2025 (see full year).

Return flights

03 Dec - 15 Dec	Delta
05 Dec - 21 Dec	Delta
08 Dec - 10 Dec	Air Canada
12 Dec - 29 Dec	Air Canada
15 Dec - 22 Dec	Delta
15 Dec - 14 Jan	Delta
15 Dec - 17 Jan	Delta
15 Dec - 20 Jan	Delta
15 Dec - 19 Jan	Delta
14 Dec - 19 Jan	Delta
06 Dec - 08 Jan	jetBlue
14 Dec - 16 Jan	jetBlue
16 Dec - 17 Jan	Delta
16 Dec - 19 Jan	Delta
13 Dec - 20 Dec	Delta
21 Dec - 28 Dec	Air Canada
11 Dec - 12 Dec	Japan Airlines
19 Dec - 27 Dec	Spirit Airlines
18 Dec - 11 Jan	Japan Airlines

Also check the deals for one-way flights from Boston to Shanghai in December.

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 Boston to Shanghai in December from $977

Return flights