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

Return flights

30 Dec - 20 Jan	Air Canada
02 Dec - 13 Dec	Air Canada
01 Dec - 15 Dec	Air Canada
05 Dec - 12 Dec	Air Canada
04 Dec - 11 Dec	Air Canada
30 Dec - 19 Jan	Air Canada
05 Dec - 15 Dec	Air Canada
06 Dec - 16 Dec	United
07 Dec - 21 Dec	United
06 Dec - 19 Dec	Delta
04 Dec - 19 Dec	Delta
29 Dec - 12 Jan	Air Canada
30 Dec - 12 Jan	Air Canada
04 Dec - 07 Dec	Hawaiian Airlines
30 Dec - 19 Jan	ANA	direct
29 Dec - 09 Jan	Delta
16 Dec - 12 Jan	Delta
24 Dec - 07 Jan	Delta
27 Dec - 11 Jan	Turkish Airlines
25 Dec - 10 Jan	Delta

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 908€

Return flights