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

Return flights

06 May - 20 May	Japan Airlines
11 May - 27 May	Japan Airlines
07 May - 19 May	Japan Airlines
20 May - 05 Jun	Korean Air
13 May - 25 May	Korean Air
20 May - 26 May	Korean Air
06 May - 02 Jun	Japan Airlines
04 May - 11 May	Korean Air
10 May - 22 May	Korean Air
06 May - 13 May	Japan Airlines
13 May - 28 May	Japan Airlines
08 May - 22 May	Korean Air
21 May - 05 Jun	Korean Air
23 May - 01 Jun	Korean Air
30 May - 06 Jun	Korean Air
28 May - 11 Jun	Alaska Airlines
28 May - 01 Jun	Japan Airlines

Also check the deals for one-way flights from Oakland 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 Oakland to Tokyo in May from $1084

Return flights