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

Return flights

21 Oct - 28 Oct	Alaska Airlines
07 Oct - 28 Oct	Alaska Airlines
19 Oct - 26 Oct	Alaska Airlines
21 Oct - 11 Nov	Alaska Airlines
23 Oct - 31 Oct	Alaska Airlines
01 Oct - 13 Oct	Alaska Airlines
13 Oct - 24 Oct	Air Canada
07 Oct - 15 Oct	Air Canada
15 Oct - 23 Oct	Air Canada
10 Oct - 14 Oct	Air Canada
10 Oct - 20 Oct	Air India
21 Oct - 01 Nov	Air India
29 Oct - 06 Nov	Air Canada
24 Oct - 01 Nov	Air Canada
25 Oct - 09 Nov	Air Canada
23 Oct - 09 Nov	Air Canada
27 Oct - 11 Nov	Air Canada
21 Oct - 11 Nov	ANA	direct
21 Oct - 01 Nov	ANA	direct
29 Oct - 06 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 $1027

Return flights