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

Return flights

13 May - 21 May	Alaska Airlines
06 May - 19 May	Alaska Airlines
11 May - 27 May	Alaska Airlines
01 May - 19 May	United
09 May - 29 May	Alaska Airlines
10 May - 18 May	Frontier Airlines
13 May - 24 May	Alaska Airlines
02 May - 17 May	Alaska Airlines
17 May - 31 May	Alaska Airlines
07 May - 16 May	Air Canada
26 May - 09 Jun	Air Canada
15 May - 01 Jun	Air Canada
23 May - 06 Jun	Alaska Airlines
22 May - 03 Jun	Air Canada
28 May - 30 Jun	WestJet
22 May - 14 Jun	Air Canada
29 May - 07 Jun	Austrian Airlines

Also check the deals for one-way flights from San Diego 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 San Diego to Tokyo in May from 674€

Return flights