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

Return flights

13 May - 27 May	Korean Air
05 May - 12 May	Korean Air
18 May - 10 Jun	Korean Air
17 May - 10 Jun	Korean Air
08 May - 18 May	China Airlines
15 May - 29 May	China Airlines
08 May - 23 May	China Airlines
12 May - 24 May	China Airlines
15 May - 25 May	China Airlines
15 May - 04 Jun	China Airlines
03 May - 28 May	China Airlines
11 May - 31 May	China Airlines
06 May - 28 May	China Airlines
12 May - 05 Jun	China Airlines
13 May - 04 Jun	China Airlines
14 May - 08 Jun	China Airlines
22 May - 05 Jun	Korean Air
28 May - 25 Jun	Korean Air
18 May - 11 Jun	Alaska Airlines
23 May - 02 Jun	China Airlines

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 $935

Return flights