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

Return flights

31 Dec - 15 Jan	United
05 Dec - 14 Dec	United
31 Dec - 16 Jan	Delta
30 Dec - 14 Jan	Delta
31 Dec - 14 Jan	Delta
05 Dec - 11 Dec	Alaska Airlines
03 Dec - 10 Dec	United
01 Dec - 22 Dec	United
28 Dec - 16 Jan	Alaska Airlines
27 Dec - 17 Jan	Delta
31 Dec - 13 Jan	Delta
30 Dec - 13 Jan	Delta
07 Dec - 13 Dec	Frontier Airlines
12 Dec - 21 Dec	Delta
28 Dec - 18 Jan	Alaska Airlines
26 Dec - 16 Jan	Alaska Airlines
10 Dec - 27 Dec	Delta
15 Dec - 21 Dec	United
13 Dec - 31 Dec	Delta
06 Dec - 31 Dec	Delta

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 682€

Return flights