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

Return flights

05 Dec - 21 Dec	Frontier Airlines
11 Dec - 18 Jan	Iberia
14 Dec - 16 Jan	KLM
16 Dec - 14 Jan	Delta
12 Dec - 29 Dec	TAP
12 Dec - 15 Jan	TAP
15 Dec - 12 Jan	Iberia
15 Dec - 18 Jan	Aer Lingus
16 Dec - 18 Jan	Azores Airlines
16 Dec - 05 Jan	KLM
17 Dec - 10 Jan	jetBlue
19 Dec - 27 Dec	Icelandair
18 Dec - 25 Dec	Spirit Airlines
19 Dec - 11 Jan	Icelandair

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 922€

Return flights