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

Return flights

13 May - 21 May	Air Canada
06 May - 13 May	Air Canada
05 May - 12 May	Air Canada
06 May - 14 May	Air Canada
04 May - 08 May	Air Canada
06 May - 17 May	Air Canada
10 May - 22 May	Air Canada
15 May - 29 May	Air Canada
09 May - 23 May	Etihad Airways
14 May - 18 May	Air Canada
20 May - 04 Jun	Air Canada
20 May - 02 Jun	Porter Airlines (Canada) Ltd
19 May - 02 Jun	Alaska Airlines
29 May - 07 Jun	Air Canada
23 May - 07 Jun	Alaska Airlines
17 May - 21 Jun	KLM

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

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 May from 997€

Return flights