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

Return flights

21 Oct - 28 Oct	Alaska Airlines
29 Oct - 18 Nov	Alaska Airlines
21 Oct - 31 Oct	Alaska Airlines
21 Oct - 06 Nov	Alaska Airlines
01 Oct - 16 Oct	Air Canada
14 Oct - 21 Oct	Hawaiian Airlines
25 Oct - 11 Nov	Alaska Airlines
23 Oct - 30 Oct	Alaska Airlines
01 Oct - 17 Oct	Air Canada
15 Oct - 29 Oct	Hawaiian Airlines
01 Oct - 07 Oct	Alaska Airlines
26 Oct - 08 Nov	Alaska Airlines
17 Oct - 26 Oct	Air Canada
22 Oct - 30 Oct	Air Canada
16 Oct - 06 Nov	Air Canada
30 Oct - 14 Nov	Air Canada
24 Oct - 02 Nov	jetBlue

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 $1150

Return flights