AirHint found the following cheapest return flights from San Diego (SAN) to Tokyo (NRT) in December 2025 (see full year).

Return flights

01 Dec - 11 Dec	Air Canada
03 Dec - 10 Dec	Air Canada
01 Dec - 10 Dec	Air Canada
08 Dec - 15 Dec	Air Canada
01 Dec - 07 Dec	Air Canada
13 Dec - 16 Dec	Air Canada
10 Dec - 21 Dec	Air Canada
02 Dec - 09 Jan	Air Canada
15 Dec - 15 Jan	Japan Airlines	direct
01 Dec - 07 Dec	American Airlines	direct
31 Dec - 14 Jan	Air Canada
24 Dec - 24 Jan	United
13 Dec - 29 Dec	Air Canada
29 Dec - 11 Jan	Korean Air
29 Dec - 11 Jan	Japan Airlines	direct
16 Dec - 22 Dec	Air Canada
24 Dec - 09 Jan	Air Canada
29 Dec - 10 Jan	Hawaiian Airlines
17 Dec - 07 Jan	Hawaiian Airlines
22 Dec - 11 Jan	United

Also check the deals for one-way flights from San Diego to Tokyo in December.

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 December from 594€

Return flights