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

Return flights

27 May - 04 Jun	Air Canada
05 May - 19 May	United
31 May - 12 Jun	Air Canada
31 May - 10 Jun	Air Canada
01 May - 12 May	United	direct
31 May - 16 Jun	Air Canada
29 May - 05 Jun	Air Canada
20 May - 27 May	Air Canada
06 May - 16 May	United	direct
11 May - 26 May	United
11 May - 27 May	United
12 May - 27 May	United
12 May - 28 May	United
04 May - 14 May	Air Canada
25 May - 05 Jun	United
10 May - 21 May	United
25 May - 05 Jun	ANA	direct
25 May - 01 Jun	United
25 May - 20 Jun	United
22 May - 03 Jun	United

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 897€

Return flights