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

Return flights

02 Oct - 09 Oct	Frontier Airlines
05 Oct - 11 Oct	Frontier Airlines
02 Oct - 07 Oct	Frontier Airlines
03 Oct - 17 Oct	Frontier Airlines
01 Oct - 12 Oct	Frontier Airlines
15 Oct - 22 Oct	Air Canada
06 Oct - 14 Oct	Air Canada
22 Oct - 24 Oct	Air Canada
14 Oct - 23 Oct	Air Canada
20 Oct - 05 Nov	Air Canada
17 Oct - 24 Oct	WestJet
29 Oct - 02 Nov	Air Canada
25 Oct - 17 Nov	Air Canada
28 Oct - 06 Nov	Frontier Airlines
24 Oct - 07 Nov	Air Canada
18 Oct - 08 Nov	Air Canada
18 Oct - 01 Nov	Hawaiian Airlines
31 Oct - 14 Nov	Air Canada
25 Oct - 01 Nov	Hawaiian Airlines
26 Oct - 08 Nov	United

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 685€

Return flights