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

Return flights

31 Oct - 12 Nov	Frontier Airlines
26 Oct - 05 Nov	Alaska Airlines
29 Oct - 06 Nov	Alaska Airlines
21 Oct - 30 Oct	Alaska Airlines
15 Oct - 23 Oct	Air Canada
22 Oct - 29 Oct	Air Canada
20 Oct - 31 Oct	Air Canada
31 Oct - 07 Nov	Alaska Airlines
28 Oct - 06 Nov	Alaska Airlines
14 Oct - 24 Oct	Delta
06 Oct - 21 Oct	Delta
30 Oct - 06 Nov	Frontier Airlines
24 Oct - 09 Nov	Frontier Airlines
16 Oct - 21 Oct	Air Canada
21 Oct - 28 Oct	Air Canada
30 Oct - 05 Nov	Air Canada
25 Oct - 03 Nov	Hawaiian Airlines
21 Oct - 11 Nov	ANA
07 Oct - 18 Oct	ANA
09 Oct - 22 Oct	Delta

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 $1016

Return flights