AirHint found the following cheapest return flights from Washington (IAD) to Beijing (PEK) in December 2025 (see full year).

Return flights

03 Dec - 21 Jan	Turkish Airlines
02 Dec - 12 Dec	Turkish Airlines
01 Dec - 11 Dec	Turkish Airlines
09 Dec - 23 Dec	Turkish Airlines
09 Dec - 26 Dec	Turkish Airlines
09 Dec - 20 Jan	Turkish Airlines
05 Dec - 12 Dec	Air Canada
05 Dec - 26 Dec	Turkish Airlines
08 Dec - 29 Dec	Saudia
05 Dec - 16 Dec	Hawaiian Airlines
09 Dec - 30 Dec	Turkish Airlines
10 Dec - 03 Jan	Frontier Airlines
09 Dec - 20 Jan	Air China	direct
16 Dec - 18 Jan	Hawaiian Airlines
12 Dec - 26 Dec	Air Canada
16 Dec - 19 Jan	Hawaiian Airlines
09 Dec - 02 Jan	Air Canada
22 Dec - 08 Jan	Frontier Airlines
12 Dec - 02 Jan	Aer Lingus
21 Dec - 08 Jan	Frontier Airlines

Also check the deals for one-way flights from Washington to Beijing 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.

Book a cheap hotel in Beijing

Cheap car rent in Beijing

Cheapest return flights from Washington to Beijing in December from $1023

Return flights