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

Return flights

14 Oct - 20 Oct	Air Canada
14 Oct - 23 Oct	Air Canada
14 Oct - 21 Oct	Air Canada
07 Oct - 21 Oct	Air Canada
31 Oct - 14 Nov	Air Canada
01 Oct - 31 Oct	Air Canada
17 Oct - 22 Oct	Air Canada
15 Oct - 22 Oct	Air Canada
02 Oct - 09 Oct	Air Canada
05 Oct - 11 Oct	Air Canada
07 Oct - 14 Oct	Hawaiian Airlines
23 Oct - 04 Nov	Delta
26 Oct - 08 Nov	Delta
25 Oct - 17 Nov	United
18 Oct - 08 Nov	Delta
28 Oct - 06 Nov	Delta
10 Oct - 03 Nov	United
06 Oct - 01 Nov	ANA	direct
25 Oct - 01 Nov	United
25 Oct - 01 Nov	ANA	direct

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

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 Washington to Tokyo in October from 871€

Return flights