AirHint found the following cheapest return flights from Washington (IAD) to Tokyo (HND) in August 2026 (see full year).

Return flights

24 Aug - 11 Sep	United	direct
23 Aug - 09 Sep	United	direct
25 Aug - 03 Sep	Air Canada
24 Aug - 14 Sep	United	direct
23 Aug - 27 Aug	Air Canada
05 Aug - 28 Aug	Air Canada
05 Aug - 28 Aug	United	direct
03 Aug - 01 Sep	United	direct
26 Aug - 02 Sep	Air Canada
28 Aug - 12 Sep	ANA	direct
18 Aug - 25 Aug	Air Canada
04 Aug - 24 Aug	Air Canada
25 Aug - 03 Sep	United	direct
22 Aug - 29 Aug	Air Canada
04 Aug - 24 Aug	United	direct
14 Aug - 29 Aug	United	direct
05 Aug - 19 Aug	United	direct
04 Aug - 18 Aug	United
26 Aug - 02 Sep	United	direct

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

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 August from 846€

Return flights