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

Return flights

12 May - 27 May	Alaska Airlines
22 May - 05 Jun	Alaska Airlines
24 May - 06 Jun	Alaska Airlines
08 May - 01 Jun	Alaska Airlines
27 May - 10 Jun	Korean Air
27 May - 03 Jun	Korean Air
21 May - 09 Jun	Korean Air
22 May - 31 May	Korean Air
03 May - 10 May	Qatar Airways
01 May - 22 May	Qatar Airways
01 May - 05 May	Qatar Airways
03 May - 20 Jun	Qatar Airways
13 May - 25 May	Qatar Airways
06 May - 11 May	Qatar Airways
05 May - 18 May	Qatar Airways
11 May - 25 May	Qatar Airways
13 May - 24 May	Qatar Airways
27 May - 08 Jun	Qatar Airways
20 May - 08 Jun	Qatar Airways
18 May - 10 Jun	Qatar Airways

Also check the deals for one-way flights from Ontario 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 Ontario to Tokyo in May from $793

Return flights