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

Return flights

31 May - 14 Jun	Air Canada
04 May - 14 May	Delta
29 May - 15 Jun	Air Canada
27 May - 04 Jun	Air Canada
01 May - 22 May	Delta
05 May - 15 May	United
01 May - 16 May	Delta
01 May - 17 May	Delta
10 May - 20 May	Alaska Airlines
12 May - 27 May	Alaska Airlines
12 May - 28 May	Alaska Airlines
13 May - 28 May	Alaska Airlines
11 May - 26 May	United
26 May - 11 Jun	Air Canada
24 May - 08 Jun	Delta
20 May - 02 Jun	Delta
19 May - 02 Jun	Delta
31 May - 16 Jun	Delta
22 May - 04 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 889€

Return flights