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

Return flights

01 Dec - 17 Dec	Turkish Airlines
03 Dec - 17 Dec	Turkish Airlines
02 Dec - 17 Dec	Turkish Airlines
08 Dec - 16 Dec	Air Canada
03 Dec - 16 Dec	Air Canada
02 Dec - 16 Dec	Air Canada
02 Dec - 11 Dec	Air Canada
03 Dec - 14 Dec	Air Canada
04 Dec - 16 Dec	Air Canada
05 Dec - 16 Dec	Air Canada
30 Dec - 12 Jan	Delta
30 Dec - 12 Jan	ANA	direct
08 Dec - 01 Jan	United
01 Dec - 01 Jan	United
24 Dec - 07 Jan	Delta
29 Dec - 07 Jan	Delta
24 Dec - 10 Jan	ANA
26 Dec - 10 Jan	ANA
08 Dec - 07 Jan	ANA
24 Dec - 10 Jan	ANA	direct

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

Cheap car rent in Tokyo

Cheapest return flights from Washington to Tokyo in December from $1055

Return flights